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Chicago, IL - Seattle, WACompare American Airlines, Alaska Airlines, United
$84
4h 37m
3 a day
Power plugs
Wifi
1 carry-on bag (22 x 14 x 9 inches) and 1 personal item (18 x 14 x 8 inches) included in most fares
Checked bags fees vary by route. First checked bag typically $30, second $40 on domestic flights
Accessibility
Wifi
Seat reservation: Main Cabin seats selection starts at $9-12. Preferred seats $20-40. Main Cabin Extra $20-100+
Toilets
USB plugs
Quiet zone
Pets: Small dogs and cats allowed in cabin for $125 fee. Must be in approved carrier under seat. Service animals allowed.
Food sold onboard
Luggage included: 1 carry-on bag (22 x 14 x 9 inches) and 1 personal item (18 x 14 x 8 inches) included in most fares
Luggage storage
Additional luggage: Checked bags fees vary by route. First checked bag typically $30, second $40 on domestic flights
Cancellation Policy: Basic Economy tickets cannot be changed or refunded. Other fares allow changes with fee, refunds subject to fare rules.
American Airlines is one of the largest airlines in the world, connecting travelers to hundreds of destinations across the United States, Latin America, Europe, Asia, and beyond. Operating from major hubs such as Dallas/Fort Worth, Miami, and Charlotte, American offers a wide range of travel options. Passengers can choose from Economy with affordable fares, Premium Economy with extra space, or Business and First Class featuring flat-bed seats, premium dining, and lounge access. With a modern fleet and membership in the oneworld alliance, American Airlines combines global reach with comfort and reliability.
$112
4h 47m
16 a day
Power plugs
Wifi
1 carry-on bag (22 x 14 x 9) and 1 personal item included
Checked bags fees start at $30 for first bag, $40 for second bag
Accessibility
Wifi
Seat reservation: Seat selection fees vary from $0-$100 depending on seat location and fare class
Toilets
USB plugs
Quiet zone
Pets: Pets allowed in cabin and cargo hold. Service animals welcome. Fees apply for pets in cabin ($100)
Food sold onboard
Luggage included: 1 carry-on bag (22 x 14 x 9) and 1 personal item included
Luggage storage
Additional luggage: Checked bags fees start at $30 for first bag, $40 for second bag
Cancellation Policy: Saver fares are non-refundable. Main and First Class fares are refundable with fee, depending on fare type and elite status
Alaska Airlines, headquartered in SeaTac, Washington, is a major U.S. airline and the fifth-largest in North America by scheduled passengers carried as of 2024. Along with its regional partners, Horizon Air and SkyWest Airlines, Alaska Airlines operates a route network primarily connecting cities along the West Coast of the United States, including Alaska and Hawaii, to over 100 destinations in the contiguous U.S., the Bahamas, Belize, Canada, Costa Rica, Guatemala, and Mexico. The airline is a member of the Oneworld alliance, offering passengers access to a broad global network. Alaska Airlines is known for its customer service and loyalty program, Mileage Plan, and offers First Class, Premium Class, and Main Cabin seating options. The airline's primary hub is Seattle-Tacoma International Airport. In 2024, its parent company, Alaska Air Group, acquired Hawaiian Airlines.
$242
4h 48m
34 a day
Power plugs
Wifi
Carry-on baggage allowance is 7kg total (2 pieces max. ) for both Choice and Flex fares on United Airlines and Virgin Australia flights.
Excess baggage fees apply for additional checked luggage beyond the standard allowance.
Accessibility
Wifi
Seat reservation: Seat selection may incur additional fees, depending on the fare type and airline.
Toilets
USB plugs
Quiet zone
Pets: United Airlines and Virgin Australia allow pets onboard, subject to specific policies and fees.
Food sold onboard: Meals and snacks are included on international flights operated by United Airlines and Virgin Australia.
Luggage included: Carry-on baggage allowance is 7kg total (2 pieces max. ) for both Choice and Flex fares on United Airlines and Virgin Australia flights.
Luggage storage: Both airlines provide checked baggage services for storing luggage during flights.
Additional luggage: Excess baggage fees apply for additional checked luggage beyond the standard allowance.
Cancellation Policy: Cancellation fees apply per person, per booking, with specific fees for different fare types.
Check in: Check-in procedures vary by airline and destination; online check-in is available for most flights.
United Airlines, established in 1926, is a major U.S. airline headquartered in Chicago, Illinois. Operating an extensive domestic and international network, United serves more destinations than any other airline, connecting travelers across six continents. The airline's eight hubs include Chicago–O'Hare, Denver, Houston–Intercontinental, Los Angeles, Newark, San Francisco, Washington–Dulles, and Guam. As a founding member of the Star Alliance, United offers a comprehensive range of services, including regional flights through United Express, catering to both leisure and business travelers. The airline is committed to sustainability, investing in sustainable aviation fuel and innovative technologies to reduce its environmental impact.
Journey information
Overview: Chicago, IL to Seattle, WA flight
USAUSA
Flights from Chicago, IL to Seattle, WA depart on average 33 times per day, taking around 4h 35m. Cheap flight tickets for this journey start at $84 (€67) if you book in advance.
There are 9 flights per day. The earliest flight runs at 00:05, the last at 23:58. The fastest flight covers the 1733 miles (2789 km) distance in 4h 37m. February is the cheapest month to fly.
Fares are the lowest economy prices found on Omio. Early booking often means lower prices. Prices change daily and are subject to availability. Discount cards, coach trips, and booking fees are not included.
Price information
Distance 1733 miles (2789 km) |
Average flight duration 4h 35m |
Cheapest ticket price $84 (€67) |
Flights per day 33 |
Direct flights 9 |
Fastest flight 4h 37m |
First flight 12:05 AM |
Last flight 11:58 PM |
Cheapest Month Feb |
Cheapest Day Wed |
High Season Jul - Sep |
Low Season Apr - Jun |
Busiest Day Tue |
Least Busy Day Tue |
Best time to book 49 days |
Fares are the lowest economy prices found on Omio. Early booking often means lower prices. Prices change daily and are subject to availability. Discount cards, coach trips, and booking fees are not included.
Price information
The cheapest and fastest flights from Chicago, IL to Seattle, WA
Showing times and prices for Apr 19
Cheapest price
$480
Average price
$2516
Fastest journey
4 h 36 m
Average duration
4 h 38 m
Flights per day
89
Distance
2789 km
Cheap tickets
The best way to find a cheap flight ticket from Chicago, IL to Seattle, WA is to book your journey as far in advance as possible and to avoid traveling at rush hour.
The average ticket from Chicago, IL to Seattle, WA will cost around $2516 if you buy it on the day, but the cheapest tickets can be found for only $480.
Fast flights
Of the 89 flights that leave Chicago, IL for Seattle, WA onSun, Apr 19, 11 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
On Sun, Apr 19 the direct flights cover the 2789 km distance in an average of 4 h 38 m but if you time it right, some flights will get you there in just 4 h 36 m .
On Sun, Apr 19 the longest flights will take 4 h 40 m and usually involve a change or two along the way, but you might be able to save a few pennies if you’re on a budget.
AA128810:00 PM4h36O'Hare International Airport12:36 AMSeattle-Tacoma International Airport$4801One-way0 transfers
UA11279:54 PM4h40O'Hare International Airport12:34 AMSeattle-Tacoma International Airport$4801One-way0 transfers- AA23987:54 PM4h44O'Hare International Airport10:38 PMSeattle-Tacoma International Airport$4801One-way0 transfers
- AA27757:30 AM4h44O'Hare International Airport10:14 AMSeattle-Tacoma International Airport$4801One-way0 transfers
AS3496:00 AM4h37O'Hare International Airport8:37 AMSeattle-Tacoma International Airport$4891One-way0 transfers
- AA128810:00 PM4h36O'Hare International Airport12:36 AMSeattle-Tacoma International Airport$4801One-way0 transfers
- AS3496:00 AM4h37O'Hare International Airport8:37 AMSeattle-Tacoma International Airport$4891One-way0 transfers
- UA6231:59 PM4h38O'Hare International Airport4:37 PMSeattle-Tacoma International Airport$11761One-way0 transfers
- UA11279:54 PM4h40O'Hare International Airport12:34 AMSeattle-Tacoma International Airport$4801One-way0 transfers
- AS4073:22 PM4h40O'Hare International Airport6:02 PMSeattle-Tacoma International Airport$5921One-way0 transfers
Travel Information
Compare train, bus, and flight for Chicago, IL to Seattle, WA
Omio recommends booking the train as it is the most popular option from Chicago, IL to Seattle, WA among Omio's users. If you are prioritising price take the flight with prices starting from $84. For those with little time consider booking a flight which can get you there in 4h 35m. In case you are seeking to minimise your carbon footprint the train is your best bet as it emits only 0.8 - 2.5kg. The ticket price range depends on the travel mode: a flight costs an average of $84, and a bus costs an average of $159.
Distance: 1733 miles (2789 km)
Compare flight with
| Flight | Most popular Train | Bus |
|---|---|---|
$306 Average price Cheapest | $385 Average price | $394 Average price |
7h 35m Average total duration Fastest 4h 35m Onboard + 3h 0m Additional time* | 50h 1m Average total duration 49h 31m Onboard + 30m Additional time* | 80h 25m Average total duration 79h 55m Onboard + 30m Additional time* |
8.4 - 16.7kg CO2 emissions | 0.8 - 2.5kg CO2 emissions Lowest | 2.8 - 7.0kg CO2 emissions |
Direct Options | Direct Options | Direct Options |
Additional time: Average total travel duration to departure point, security checks and transfers.
Live departures
Chicago, IL to Seattle, WA flight times
The table below shows live departures for Chicago, IL to Seattle, WA flights for today, Saturday, April 18. You can also manually refresh the results below to see updated flight journeys.
Last updated at
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
| AS407 | 3:22 PM O'Hare International Airport | 4h40 | 6:02 PM Seattle-Tacoma International Airport | 0 transfersDirect | |
| UA511 · UA1007 | 3:45 PM O'Hare International Airport | 9h45 | 11:30 PM Seattle-Tacoma International Airport | 1 transfer | |
| UA714 · UA515 | 4:03 PM O'Hare International Airport | 9h09 | 11:12 PM Seattle-Tacoma International Airport | 1 transfer | |
| UA1801 | 4:06 PM O'Hare International Airport | 4h40 | 6:46 PM Seattle-Tacoma International Airport | 0 transfersDirect | |
| UA1128 · UA360 | 4:10 PM O'Hare International Airport | 6h56 | 9:06 PM Seattle-Tacoma International Airport | 1 transfer | |
| AS1447 · AS1308 | 4:10 PM O'Hare International Airport | 8h41 | 10:51 PM Seattle-Tacoma International Airport | 1 transfer | |
| AS6474+AS230 | 4:20 PM O'Hare International Airport | 7h45 | 10:05 PM Seattle-Tacoma International Airport | 1 transfer | |
AA2364+ AA4955 | 4:30 PM O'Hare International Airport | 8h28 | 10:58 PM Seattle-Tacoma International Airport | 1 transfer | |
| UA1630 · UA2044 | 4:35 PM O'Hare International Airport | 9h24 | 11:59 PM Seattle-Tacoma International Airport | 1 transfer | |
| AA2988 · AA1774 | 4:40 PM O'Hare International Airport | 10h04 | 12:44 AM Seattle-Tacoma International Airport | 1 transfer | |
| AA2988 · AA2003 | 4:40 PM O'Hare International Airport | 8h07 | 10:47 PM Seattle-Tacoma International Airport | 1 transfer | |
| AA2005 · AA1774 | 6:56 PM O'Hare International Airport | 7h48 | 12:44 AM Seattle-Tacoma International Airport | 1 transfer | |
| Sunday, April 19 | |||||
| AS321 | 7:24 PM O'Hare International Airport | 4h41 | 10:05 PM Seattle-Tacoma International Airport | 0 transfersDirect | |
| AA1288 | 10:00 PM O'Hare International Airport | 4h36 | 12:36 AM Seattle-Tacoma International Airport | 0 transfersDirect | |
| AA2842 · AA2791 | 5:00 AM O'Hare International Airport | 9h33 | 12:33 PM Seattle-Tacoma International Airport | 1 transfer | |
| AA357 · AA717 | 5:00 AM O'Hare International Airport | 10h15 | 1:15 PM Seattle-Tacoma International Airport | 1 transfer | |
| AA357 · AA767 | 5:00 AM O'Hare International Airport | 7h48 | 10:48 AM Seattle-Tacoma International Airport | 1 transfer | |
| AA319 · AA2448 | 5:00 AM O'Hare International Airport | 10h54 | 1:54 PM Seattle-Tacoma International Airport | 1 transfer | |
| UA1898 · UA2205 | 5:48 AM O'Hare International Airport | 8h59 | 12:47 PM Seattle-Tacoma International Airport | 1 transfer | |
| AS349 | 6:00 AM O'Hare International Airport | 4h37 | 8:37 AM Seattle-Tacoma International Airport | 0 transfersDirect | |
| AA760 · AA717 | 6:04 AM O'Hare International Airport | 9h11 | 1:15 PM Seattle-Tacoma International Airport | 1 transfer | |
| AA1555 · AA757 | 6:57 AM O'Hare International Airport | 10h54 | 3:51 PM Seattle-Tacoma International Airport | 1 transfer | |
| AA1555 · AA717 | 6:57 AM O'Hare International Airport | 8h18 | 1:15 PM Seattle-Tacoma International Airport | 1 transfer | |
| UA1217 · UA1424 | 7:00 AM O'Hare International Airport | 8h16 | 1:16 PM Seattle-Tacoma International Airport | 1 transfer | |
| UA1217 · UA1561 · UA2279 | 7:00 AM O'Hare International Airport | 13h35 | 6:35 PM Seattle-Tacoma International Airport | 2 transfers | |
| UA2428 · UA1763 | 7:00 AM O'Hare International Airport | 15h57 | 8:57 PM Seattle-Tacoma International Airport | 1 transfer | |
| UA2361 · UA5273 | 7:00 AM O'Hare International Airport | 10h51 | 3:51 PM Seattle-Tacoma International Airport | 1 transfer | |
| UA2361 · UA469 · UA1763 | 7:00 AM O'Hare International Airport | 15h57 | 8:57 PM Seattle-Tacoma International Airport | 2 transfers | |
| AA695 · AA2448 | 7:04 AM O'Hare International Airport | 8h50 | 1:54 PM Seattle-Tacoma International Airport | 1 transfer | |
| UA539 · UA691 · UA1763 | 7:05 AM O'Hare International Airport | 15h52 | 8:57 PM Seattle-Tacoma International Airport | 2 transfers | |
| UA2619 · UA5614 · UA5273 | 7:20 AM O'Hare International Airport | 10h31 | 3:51 PM Seattle-Tacoma International Airport | 2 transfers | |
| AA2775 | 7:30 AM O'Hare International Airport | 4h44 | 10:14 AM Seattle-Tacoma International Airport | 0 transfersDirect | |
| AS1371 | 8:00 AM O'Hare International Airport | 4h43 | 10:43 AM Seattle-Tacoma International Airport | 0 transfersDirect | |
| AA481 · AA757 | 8:15 AM O'Hare International Airport | 9h36 | 3:51 PM Seattle-Tacoma International Airport | 1 transfer | |
| AS1470 · AS683 | 8:20 AM O'Hare International Airport | 13h32 | 7:52 PM Seattle-Tacoma International Airport | 1 transfer | |
| AS1470 · AS652 | 8:20 AM O'Hare International Airport | 17h39 | 11:59 PM Seattle-Tacoma International Airport | 1 transfer | |
| AS1470 · AS1456 | 8:20 AM O'Hare International Airport | 9h37 | 3:57 PM Seattle-Tacoma International Airport | 1 transfer | |
| AS1470 · AS574 | 8:20 AM O'Hare International Airport | 14h45 | 9:05 PM Seattle-Tacoma International Airport | 1 transfer | |
| AS1470 · AS622 | 8:20 AM O'Hare International Airport | 11h28 | 5:48 PM Seattle-Tacoma International Airport | 1 transfer | |
| AS1470 · AS1308 | 8:20 AM O'Hare International Airport | 16h31 | 10:51 PM Seattle-Tacoma International Airport | 1 transfer | |
| AS6117+AS787 | 8:31 AM O'Hare International Airport | 15h34 | 10:05 PM Seattle-Tacoma International Airport | 1 transfer | |
| UA1486 · UA691 · UA1763 | 8:40 AM O'Hare International Airport | 14h17 | 8:57 PM Seattle-Tacoma International Airport | 2 transfers | |
| UA530 · UA5273 | 8:40 AM O'Hare International Airport | 9h11 | 3:51 PM Seattle-Tacoma International Airport | 1 transfer | |
| UA2225 · UA1831 · UA2044 | 9:15 AM O'Hare International Airport | 16h31 | 11:46 PM Seattle-Tacoma International Airport | 2 transfers | |
| AS6676+AS419 | 9:26 AM O'Hare International Airport | 12h51 | 8:17 PM Seattle-Tacoma International Airport | 1 transfer | |
| AA1693 · AA757 | 9:45 AM O'Hare International Airport | 8h06 | 3:51 PM Seattle-Tacoma International Airport | 1 transfer | |
| AS4671+AS312 | 9:54 AM O'Hare International Airport | 8h07 | 4:01 PM Seattle-Tacoma International Airport | 1 transfer | |
| AS4237+AS630 | 10:03 AM O'Hare International Airport | 12h14 | 8:17 PM Seattle-Tacoma International Airport | 1 transfer | |
| AS4237+AS1310 | 10:03 AM O'Hare International Airport | 15h25 | 11:28 PM Seattle-Tacoma International Airport | 1 transfer | |
| AS4237+AS373 | 10:03 AM O'Hare International Airport | 9h51 | 5:54 PM Seattle-Tacoma International Airport | 1 transfer | |
| UA1862 · UA1652 · UA1284 | 10:12 AM O'Hare International Airport | 11h33 | 7:45 PM Seattle-Tacoma International Airport | 2 transfers | |
AA866+ AA4291 | 10:22 AM O'Hare International Airport | 9h27 | 5:49 PM Seattle-Tacoma International Airport | 1 transfer | |
| AS6831+AS313 | 10:25 AM O'Hare International Airport | 10h34 | 6:59 PM Seattle-Tacoma International Airport | 1 transfer | |
| AS6449+AS2009 | 10:30 AM O'Hare International Airport | 9h22 | 5:52 PM Seattle-Tacoma International Airport | 1 transfer | |
| AS6449+AS361 | 10:30 AM O'Hare International Airport | 12h28 | 8:58 PM Seattle-Tacoma International Airport | 1 transfer | |
| AA1979+AA6377 | 10:30 AM O'Hare International Airport | 9h37 | 6:07 PM Seattle-Tacoma International Airport | 1 transfer | |
| UA2605 · UA555 · UA2044 | 10:30 AM O'Hare International Airport | 15h16 | 11:46 PM Seattle-Tacoma International Airport | 2 transfers | |
| UA2605 · UA1831 · UA2044 | 10:30 AM O'Hare International Airport | 15h16 | 11:46 PM Seattle-Tacoma International Airport | 2 transfers | |
| AS6449+AS320 | 10:30 AM O'Hare International Airport | 7h31 | 4:01 PM Seattle-Tacoma International Airport | 1 transfer | |
| AA1120 · AA727 | 10:41 AM O'Hare International Airport | 10h55 | 7:36 PM Seattle-Tacoma International Airport | 1 transfer | |
| UA2488 · UA1284 | 10:50 AM O'Hare International Airport | 10h55 | 7:45 PM Seattle-Tacoma International Airport | 1 transfer | |
| UA2031 · UA1652 · UA1284 | 10:59 AM O'Hare International Airport | 10h46 | 7:45 PM Seattle-Tacoma International Airport | 2 transfers | |
| UA2031 · UA2047 · UA1763 | 10:59 AM O'Hare International Airport | 11h58 | 8:57 PM Seattle-Tacoma International Airport | 2 transfers | |
| AA2080 · AA3196 | 11:15 AM O'Hare International Airport | 10h13 | 7:28 PM Seattle-Tacoma International Airport | 1 transfer | |
| AS6617+AS373 | 11:46 AM O'Hare International Airport | 8h08 | 5:54 PM Seattle-Tacoma International Airport | 1 transfer | |
| AS6617+AS630 | 11:46 AM O'Hare International Airport | 10h31 | 8:17 PM Seattle-Tacoma International Airport | 1 transfer | |
| AS6617+AS1310 | 11:46 AM O'Hare International Airport | 13h42 | 11:28 PM Seattle-Tacoma International Airport | 1 transfer | |
| UA1448 · UA1606 | 12:43 PM O'Hare International Airport | 8h59 | 7:42 PM Seattle-Tacoma International Airport | 1 transfer | |
| AS6332+AS216 | 12:55 PM O'Hare International Airport | 10h02 | 8:57 PM Seattle-Tacoma International Airport | 1 transfer | |
| UA293 · UA326 | 1:00 PM O'Hare International Airport | 9h53 | 8:53 PM Seattle-Tacoma International Airport | 1 transfer | |
| AA2765+AA4118 | 1:20 PM O'Hare International Airport | 8h53 | 8:13 PM Seattle-Tacoma International Airport | 1 transfer | |
| AS6380+AS124 | 1:45 PM O'Hare International Airport | 10h04 | 9:49 PM Seattle-Tacoma International Airport | 1 transfer | |
| UA623 | 1:59 PM O'Hare International Airport | 4h38 | 4:37 PM Seattle-Tacoma International Airport | 0 transfersDirect | |
| UA1983 · UA515 | 2:05 PM O'Hare International Airport | 11h07 | 11:12 PM Seattle-Tacoma International Airport | 1 transfer | |
| AS325 · AS2190 | 2:09 PM O'Hare International Airport | 10h19 | 10:28 PM Seattle-Tacoma International Airport | 1 transfer | |
| AS325 · AS2024 | 2:09 PM O'Hare International Airport | 8h15 | 8:24 PM Seattle-Tacoma International Airport | 1 transfer | |
| AS325 · AS2241 | 2:09 PM O'Hare International Airport | 6h36 | 6:45 PM Seattle-Tacoma International Airport | 1 transfer | |
| UA1577 · UA1763 | 2:15 PM O'Hare International Airport | 8h42 | 8:57 PM Seattle-Tacoma International Airport | 1 transfer | |
| AS6775+AS787 | 2:36 PM O'Hare International Airport | 9h29 | 10:05 PM Seattle-Tacoma International Airport | 1 transfer | |
| AS6268+AS500 | 2:41 PM O'Hare International Airport | 8h27 | 9:08 PM Seattle-Tacoma International Airport | 1 transfer | |
| AS4195+AS230 | 2:49 PM O'Hare International Airport | 9h16 | 10:05 PM Seattle-Tacoma International Airport | 1 transfer | |
| AS4737+AS450 | 3:13 PM O'Hare International Airport | 8h30 | 9:43 PM Seattle-Tacoma International Airport | 1 transfer | |
This is the last flight of the day. | |||||
Find all the dates and times for this journey
Compare prices and tickets Chicago, IL to Seattle, WA by train, bus, or flight
Compare train, bus, and flight prices over the next three weeks. See the best deals at a glance, find the lowest fares, and choose the option that fits your budget.
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Why should you book Chicago, IL to Seattle, WA flights with Omio?
American Airlines as well as Alaska Airlines or United offer flights services from Chicago, IL to Seattle, WA.
Omio is an official ticket reseller for all your travel options from Chicago, IL to Seattle, WA.
Why book with Omio vs American Airlines?
- Compare with other providers: On Omio, you can not only buy tickets for American Airlines, but also compare tickets for the likes of Alaska Airlines or United to find the best option for your trip from Chicago, IL to Seattle, WA.
- Designed for International Travelers: Omio is in your language including 24/7 customer service and offers multiple payment options, including PayPal, credit cards, and bank transfer, in your preferred currency.
- Compare all your options: Omio allows you to compare American Airlines with all available travel options, which are train, bus and flight to ensure you get the best deal for traveling from Chicago, IL to Seattle, WA.
Why book with Omio over Trip, Edreams or Skyscanner?
- Compare with other providers: On Omio, you can also compare tickets for the likes of Alaska Airlines or United to find the best option for your trip from Chicago, IL to Seattle, WA.
- Multiple modes of transport: Omio allows you to compare travel options including train, bus and flight to find the ideal travel option from Chicago, IL to Seattle, WA.
Airlines: American Airlines, Alaska Airlines, United from Chicago, IL to Seattle, WAFind the best flights between Chicago, IL to Seattle, WA with Omio's travel partners American Airlines, Alaska Airlines, United from $84 (€67). We can find you the best deals, schedules and tickets when comparing and booking the best trip.
United
About
United Airlines, established in 1926, is a major U.S. airline headquartered in Chicago, Illinois. Operating an extensive domestic and international network, United serves more destinations than any other airline, connecting travelers across six continents. The airline's eight hubs include Chicago–O'Hare, Denver, Houston–Intercontinental, Los Angeles, Newark, San Francisco, Washington–Dulles, and Guam. As a founding member of the Star Alliance, United offers a comprehensive range of services, including regional flights through United Express, catering to both leisure and business travelers. The airline is committed to sustainability, investing in sustainable aviation fuel and innovative technologies to reduce its environmental impact.
Luggage & cancellation policy
Average Duration
4h 48m
Cheapest Price
$242 (€193)
United frequency
34 a day
Luggage included
Carry-on baggage allowance is 7kg total (2 pieces max. ) for both Choice and Flex fares on United Airlines and Virgin Australia flights.
Additional luggage
Excess baggage fees apply for additional checked luggage beyond the standard allowance.
Luggage storage
Both airlines provide checked baggage services for storing luggage during flights.
Cancellation Policy
Cancellation fees apply per person, per booking, with specific fees for different fare types.
Refund
Not applicable to flights; however, full refunds are available if flights are canceled by the airline.
Pregnant on board
Pregnant passengers are permitted to travel, with specific guidelines and medical certificates required after a certain gestational period.
Unaccompagned minor
Unaccompanied minors are permitted to travel, with specific age restrictions and services provided.
Amenities on board the airplane
Wifi
Food sold onboard
Meals and snacks are included on international flights operated by United Airlines and Virgin Australia.
Seat reservation
Seat selection may incur additional fees, depending on the fare type and airline.
Toilets
USB plugs
Accessibility
United Airlines and Virgin Australia offer services to and within Australia, providing accessible travel options for passengers with mobility needs.
Bikes
Both airlines permit bicycles onboard, with specific guidelines and fees.
Pets
United Airlines and Virgin Australia allow pets onboard, subject to specific policies and fees.
American Airlines
About
American Airlines is one of the largest airlines in the world, connecting travelers to hundreds of destinations across the United States, Latin America, Europe, Asia, and beyond. Operating from major hubs such as Dallas/Fort Worth, Miami, and Charlotte, American offers a wide range of travel options. Passengers can choose from Economy with affordable fares, Premium Economy with extra space, or Business and First Class featuring flat-bed seats, premium dining, and lounge access. With a modern fleet and membership in the oneworld alliance, American Airlines combines global reach with comfort and reliability.
Luggage & cancellation policy
Average Duration
4h 37m
Cheapest Price
$84 (€67)
American Airlines frequency
3 a day
Luggage included
1 carry-on bag (22 x 14 x 9 inches) and 1 personal item (18 x 14 x 8 inches) included in most fares
Additional luggage
Checked bags fees vary by route. First checked bag typically $30, second $40 on domestic flights
Cancellation Policy
Basic Economy tickets cannot be changed or refunded. Other fares allow changes with fee, refunds subject to fare rules.
Pregnant on board
Passengers can fly up to 36 weeks for single pregnancies, 32 weeks for multiple pregnancies. Medical certificate required within 7 days of departure if within 4 weeks of due date.
Unaccompagned minor
Children ages 5-14 can travel alone using American Airlines Unaccompanied Minor Service. Service fee is $150 each way.
Amenities on board the airplane
Wifi
Food sold onboard
USB plugs
Accessibility
American Airlines provides wheelchair assistance and special services for passengers with disabilities. Assistance must be requested at least 48 hours before departure.
Pets
Small dogs and cats allowed in cabin for $125 fee. Must be in approved carrier under seat. Service animals allowed.
Alaska Airlines
About
Alaska Airlines, headquartered in SeaTac, Washington, is a major U.S. airline and the fifth-largest in North America by scheduled passengers carried as of 2024. Along with its regional partners, Horizon Air and SkyWest Airlines, Alaska Airlines operates a route network primarily connecting cities along the West Coast of the United States, including Alaska and Hawaii, to over 100 destinations in the contiguous U.S., the Bahamas, Belize, Canada, Costa Rica, Guatemala, and Mexico. The airline is a member of the Oneworld alliance, offering passengers access to a broad global network. Alaska Airlines is known for its customer service and loyalty program, Mileage Plan, and offers First Class, Premium Class, and Main Cabin seating options. The airline's primary hub is Seattle-Tacoma International Airport. In 2024, its parent company, Alaska Air Group, acquired Hawaiian Airlines.
Luggage & cancellation policy
Average Duration
4h 47m
Cheapest Price
$112 (€90)
Alaska Airlines frequency
16 a day
Luggage included
1 carry-on bag (22 x 14 x 9) and 1 personal item included
Additional luggage
Checked bags fees start at $30 for first bag, $40 for second bag
Cancellation Policy
Saver fares are non-refundable. Main and First Class fares are refundable with fee, depending on fare type and elite status
Pregnant on board
Passengers can fly up to 36 weeks pregnant. After 28 weeks, medical certificate required
Unaccompagned minor
Unaccompanied minor service available for children ages 5-17. Service fee is $50 per direction on nonstop flights
Amenities on board the airplane
Wifi
USB plugs
Accessibility
Alaska Airlines provides wheelchair assistance and special services for passengers with disabilities, including meet-and-assist services and accessible seating
Pets
Pets allowed in cabin and cargo hold. Service animals welcome. Fees apply for pets in cabin ($100)
FAQs: Chicago, IL to Seattle, WA Flight
Find answers to the most common questions about traveling from Chicago, IL to Seattle, WA by flight. From journey times and ticket prices to direct connections, first and last departures, and even whether the route is scenic, our FAQs cover everything you need to plan your trip. Whether you’re looking for the fastest flight, the cheapest option, or tips for making the most of your visit at Seattle, WA, this guide helps you travel smarter and with confidence.
Cheap plane tickets from Chicago, IL to Seattle, WA can start from as little as $84 (€67) when you book in advance. The average flight ticket price for Chicago, IL to Seattle, WA is $306 (€244) ; however, prices vary depending on the time of day and class and they tend to be more expensive on the day.
The average journey time by plane from Chicago, IL to Seattle, WA is 4h 37m to travel the 1733 miles (2789 km) long route. Journey times can vary on weekends and holidays, so use our Journey Planner to search for a specific date.
The earliest flight from Chicago, IL to Seattle, WA leaves at 12:05 AM. Plan your trip with the Journey Planner from Omio.
The latest flight from Chicago, IL to Seattle, WA leaves at 11:58 PM.
Yes, there are 9 direct flights a day from Chicago, IL to Seattle, WA with American Airlines, Alaska Airlines, United. Schedules can vary on holidays or weekends with fewer direct flights.
When taking a flight from Chicago, IL to Seattle, WA, you can count on American Airlines, Alaska Airlines, United for the best way to get you to Seattle, WA. You can also check all possible airlines who offer a service between Chicago, IL and Seattle, WA and compare the amenities they offer before buying a plane ticket.
Flights from Chicago, IL to Seattle, WA generally leave from O'Hare International Airport and arrive in Seattle-Tacoma International Airport.O'Hare International Airport is 1 miles (3 km) away from Chicago, IL city centre and Seattle-Tacoma International Airport is from Seattle, WA city centre.
The cheapest month for a flight from Chicago, IL to Seattle, WA is February.
It's helpful to compare your options as there are 3 ways to travel between Chicago, IL and Seattle, WA including taking a train, bus, and flight.
Since neither Chicago, IL nor Seattle, WA are in the Schengen Area, passport requirements depend on the specific immigration rules of United States and United States. Entry and visa requirements can be subject to change. For the latest information, check with your destination's embassy or consulate.
There is a time difference of 2 h between Chicago, IL and Seattle, WA all year round.
The best events to attend in Seattle, WA include:
- Seafair, a summer festival featuring hydroplane races, parades, and cultural events
- Seattle International Film Festival, one of the largest film festivals in the U.S. showcasing independent films
- Bumbershoot, an annual music and arts festival held over Labor Day weekend
- Seattle Pride Parade, a celebration of LGBTQ+ pride with a colorful parade through downtown.
Some of the most interesting sights to explore in Seattle, WA are:
- Space Needle, an iconic observation tower offering panoramic views of Seattle and its surroundings
- Pike Place Market, a historic public market known for fresh produce, seafood, and local crafts
- Chihuly Garden and Glass, an exhibition showcasing the vibrant glass art of Dale Chihuly
- Museum of Pop Culture, a museum dedicated to contemporary popular culture with interactive exhibits
- Seattle Art Museum, a leading art museum featuring diverse collections from around the world.
The best holidays to experience in Seattle, WA include:
- Independence Day, fireworks and celebrations marking the nation's birthday
- Thanksgiving, a time for family gatherings and seasonal festivities
- Christmas, holiday lights and decorations creating a festive atmosphere
- New Year's Eve, lively celebrations welcoming the new year with fireworks and events.
The best things to do in Seattle, WA include:
- Take a ferry ride to Bainbridge Island for stunning views of the Seattle skyline and a charming small-town experience
- Explore the vibrant neighborhoods of Capitol Hill and Fremont, known for their eclectic shops, cafes, and street art
- Visit the Seattle Aquarium to discover marine life native to the Pacific Northwest
- Enjoy a scenic walk or bike ride along the Burke-Gilman Trail
- Experience a live performance at the historic Paramount Theatre, offering a variety of shows from Broadway to concerts.
The best season to visit Seattle, WA is Spring or Fall. The best weather to explore Seattle, WA is during April-June or September-November.
We recommend using the train as it is the most popular way to get from Chicago, IL to Seattle, WA among Omio's users.
For domestic flights we recommend to arrive 1.5 to 2 hours before departure. Please check the website of your departure airport if in doubt. Some airports may offer booking time slots for security checks or offer additional information on when to get there based on time of day.
Most airlines permit carry-on bags that fit within specific dimensions (e.g., 22 x 14 x 9 inches or 56 x 36 x 23 cm), including handles and wheels. Bags must fit in the overhead bin or under the seat in front of you.
Many airlines impose weight limits, commonly ranging between 7 kg (15 lbs) and 12 kg (26 lbs). Typically, passengers are allowed one carry-on bag and one personal item (for example a purse, laptop bag, or backpack). Personal items must fit under the seat in front of you. Budget Airlines (like Ryanair or Wizz Air) have stricter size and weight limits, often requiring fees for larger carry-ons. Full-Service Airlines have more lenient policies, sometimes including more spacious dimensions or higher weight limits depending on your ticket class.
The list of items prohibited on an airplane varies by country and airline, but in general, the following items are not allowed in carry-on or checked baggage: Weapons and self-defence items, sharp objects, flammable materials, explosives, toxic substances, or liquids over 100ml (except for medications and baby essentials). In checked baggage, firearms (without authorization), explosives, large lithium batteries, and hazardous chemicals are prohibited. Electronic cigarettes must be in carry-on bags, while alcohol and dry ice have restrictions. Always check with your airline for specific regulations.
The currency used in the United States is the US Dollar (USD). For travelers, using cards is generally more convenient and widely accepted, especially credit and debit cards, while cash is useful for small purchases or places that do not accept cards.
In Seattle, WA, travelers should be cautious of pickpocketing and vehicle break-ins, especially in crowded areas and popular tourist spots like Pike Place Market. Scams involving fake charity collectors and street performers asking for money are common. It's advisable to stay alert in public transit and avoid unlicensed taxis. Travelers should also be aware of occasional aggressive panhandling in certain neighborhoods.
Pack lightweight, versatile clothing suitable for the destination's climate, and use secure, lockable luggage to protect belongings. Keep essential items like travel documents, medication, and valuables in a carry-on bag for easy access. Use packing organizers or cubes to maximize space and maintain order. Lastly, include a small first aid kit and personal hygiene items for added comfort during travel.
popular airports
Popular airports from Chicago, IL to Seattle, WA
Chicago
Seattle
The major airport for departures in Chicago is O'Hare International Airport. Find all the information you need to know about services, amenities and connections at O'Hare International Airport for your trip from Chicago to Seattle.
Amenities at airport
Wifi
Shopping
Parking
Dining
ATM
Taxis
Accessibility
WC
Hotel
Shower
Lounge
Lost and Found Office
Car Rentalinformation
Distance to city center
3 km
Car connection
I-190, Exit 1Wifi
- Free Wi-Fi available throughout the airport.
Shopping
- Shops are located in all terminals, including duty-free and brands like Hudson and MAC Cosmetics.
Parking
- Parking available with options including hourly, daily, and economy lots, approximately 2.85€ ($3) per hour.
Dining
- Restaurants are located in all terminals, offering a variety of cuisines including American and intertiol. Top options include Tortas Frontera and Publican Tavern.
Taxis
- Available outside the terminal.
Accessibility
- Elevators, ramps, toilets
WC
- Available throughout the airport.
Hotel
- Hotels such as Hilton Chicago O'Hare are located on airport grounds, with others like the Hyatt Regency nearby.
Shower
- Showers are available in some lounges, such as the United Club, but access may require a fee or membership.
Lounge
- Lounges available, including United Club and American Airlines Admirals Club.
Lost and Found Office
- Lost and Found located in terminal 1, near the baggage claim area.
Car Rental
- Car rental services are available at the Multi-Modal Facility, with companies like Hertz and Avis.
Public transit options for O'Hare International Airport
- CTA Blue Line, O'Hare Station, 45 minutes to city center
The major airport for arrivals in Seattle is Seattle-Tacoma International Airport. Find all the information you need to know about services, amenities and connections at Seattle-Tacoma International Airport for your journey to Seattle from Chicago.
Amenities at airport
WifiShoppingParkingDiningATMTaxisAccessibilityWCHotelShowerLoungeLost and Found OfficeCar Rentalinformation
Car connection
I-5, Exit 154BWifi
- Free Wi-Fi available throughout the airport.
Shopping
- Shops include duty-free, Hudson News, and local specialty stores, located in the main terminal and concourses.
Parking
- Parking available in the General Parking area, approximately 4.7€ ($5) per hour.
Dining
- Restaurants are available, including fast food and sit-down options like McDold's and Beecher's Handmade Cheese.
Taxis
- Available outside the terminal.
Accessibility
- Elevators, ramps
WC
- Available throughout the airport, near gates and in main terminal areas.
Hotel
- Hotels within walking distance, such as the Seattle Airport Marriott and Hilton Seattle Airport.
Shower
- Showers are available at The Club at SEA lounges, typically included in lounge access fees.
Lounge
- Lounges include The Club at SEA and Delta Sky Club, offering amenities like scks and showers.
Lost and Found Office
- Lost and Found located on the baggage claim level, near carousel 13.
Car Rental
- Car rental services are available at the Rental Car Facility, accessible via a free shuttle from the terminal.
Public transit options for Seattle-Tacoma International Airport
- Link Light Rail, SeaTac/Airport Station, 40 minutes
More options for your journey from Chicago, IL to Seattle, WA
Here are some other resources that might have the information you need
Most popular flights to and from Seattle, WA and Chicago, IL
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