Seattle, WA SEA to Chicago, IL CHI flight with Alaska Airlines

Wed, Jan 07
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Journey information

Overview: Seattle, WA to Chicago, IL flight

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Icon of flight

Flights from Seattle, WA to Chicago, IL depart on average 29 times per day, taking around 4h 39m. Cheap flight tickets for this journey start at $98 (€79) if you book in advance.

There are 10 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 3m. April 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 39m
Cheapest ticket price
$98 (€79)
Flights per day
29
Direct flights
10
Fastest flight
4h 3m
Cheapest month to travel
April
First flight
00:05
Last flight
23:58
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 Seattle, WA to Chicago, IL

Showing times and prices for Jan 08

Cheapest price

$343

Average price

$343

Fastest journey

4 h 8 m

Average duration

4 h 8 m

Flights per day

1

Distance

2789 km

Cheap tickets

The best way to find a cheap flight ticket from Seattle, WA to Chicago, IL is to book your journey as far in advance as possible and to avoid traveling at rush hour.

The average ticket from Seattle, WA to Chicago, IL will cost around $343 if you buy it on the day, but the cheapest tickets can be found for only $343.

Fast flights

Of the 1 flights that leave Seattle, WA for Chicago, IL onThu, Jan 08, 1 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.

On Thu, Jan 08 the direct flights cover the 2789 km distance in an average of 4 h 8 m but if you time it right, some flights will get you there in just 4 h 8 m .

On Thu, Jan 08 the longest flights will take 4 h 8 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.

American Airlines
08:32PM4h08
Seattle, WA
12:40AMChicago, IL
$3431One-way
0 transfers

Travel Information

Compare train, bus, and flight for Seattle, WA to Chicago, IL

Omio recommends booking the train as it is the most popular option from Seattle, WA to Chicago, IL among Omio's users. If you are prioritising price take the flight with prices starting from €79. For those with little time consider booking a flight which can get you there in 4h 39m. 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 €79, and a train costs an average of €173.

Distance: 1733 miles (2789 km)

Compare flight with

Flight
Most popular
Train
Bus

€209

Average price

Cheapest

€331

Average price

€291

Average price

7h 39m

Average total duration

Fastest

4h 39m

Onboard

+

3h 0m

Additional time*

48h 52m

Average total duration

48h 22m

Onboard

+

30m

Additional time*

73h 9m

Average total duration

72h 39m

Onboard

+

30m

Additional time*

8.4 - 16.7kg

CO2 emissions

0.8 - 2.5kg

CO2 emissions

Lowest

2.8 - 7.0kg

CO2 emissions

Alaska Airlines

Most popular airline

Amtrak

Most popular train company

FlixBus

Most popular bus company

Direct Options

Direct Options

Direct Options

Additional time: Average total travel duration to departure point, security checks and transfers.

Live departures

Seattle, WA to Chicago, IL flight times

The table below shows live departures for Seattle, WA to Chicago, IL flights for today, Wednesday, January 7. You can also manually refresh the results below to see updated flight journeys.

Last updated at 4:46 AM
ProviderDepartsDurationArrivesTransfers
Tickets
unitedUA397 · UA23291:00 PM Seattle-Tacoma International Airport
6h24
7:24 PM O'Hare International Airport1 transfer
unitedUA397 · UA28651:00 PM Seattle-Tacoma International Airport
7h50
8:50 PM O'Hare International Airport1 transfer
unitedUA5676 · UA643 · UA13832:03 PM Seattle-Tacoma International Airport
12h22
2:25 AM O'Hare International Airport2 transfers
unitedUA5676 · UA2177 · UA17792:03 PM Seattle-Tacoma International Airport
12h22
2:25 AM O'Hare International Airport2 transfers
unitedUA5676 · UA21312:03 PM Seattle-Tacoma International Airport
10h45
12:48 AM O'Hare International Airport1 transfer
unitedUA2135 · UA7873:00 PM Seattle-Tacoma International Airport
10h49
1:49 AM O'Hare International Airport1 transfer
unitedUA2357 · UA2543:00 PM Seattle-Tacoma International Airport
11h13
2:13 AM O'Hare International Airport1 transfer
unitedUA2357 · UA6613:00 PM Seattle-Tacoma International Airport
9h15
12:15 AM O'Hare International Airport1 transfer
unitedUA7473:00 PM Seattle-Tacoma International Airport
4h08
7:08 PM O'Hare International Airport0 transfersDirect
unitedUA2135 · UA16083:00 PM Seattle-Tacoma International Airport
8h06
11:06 PM O'Hare International Airport1 transfer
alaska_airlinesAS1367 · AS14933:15 PM Seattle-Tacoma International Airport
14h22
5:37 AM O'Hare International Airport1 transfer
american_airlinesAA8514:04 PM Seattle-Tacoma International Airport
4h11
8:15 PM O'Hare International Airport0 transfersDirect
unitedUA2217 · UA24974:10 PM Seattle-Tacoma International Airport
8h27
12:37 AM O'Hare International Airport1 transfer
alaska_airlinesAS2654:30 PM Seattle-Tacoma International Airport
4h08
8:38 PM O'Hare International Airport0 transfersDirect
unitedUA1505 · UA6174:40 PM Seattle-Tacoma International Airport
6h24
11:04 PM O'Hare International Airport1 transfer
unitedUA5657 · UA10695:00 PM Seattle-Tacoma International Airport
7h52
12:52 AM O'Hare International Airport1 transfer
unitedUA5657 · UA24875:00 PM Seattle-Tacoma International Airport
9h25
2:25 AM O'Hare International Airport1 transfer
unitedUA5657 · UA2226 · UA14825:00 PM Seattle-Tacoma International Airport
12h14
5:14 AM O'Hare International Airport2 transfers
unitedUA1372 · UA2671 · UA14115:25 PM Seattle-Tacoma International Airport
9h50
3:15 AM O'Hare International Airport2 transfers
unitedUA1372 · UA7295:25 PM Seattle-Tacoma International Airport
8h40
2:05 AM O'Hare International Airport1 transfer
unitedUA1372 · UA21315:25 PM Seattle-Tacoma International Airport
7h23
12:48 AM O'Hare International Airport1 transfer
alaska_airlinesAS650 · AS14936:32 PM Seattle-Tacoma International Airport
11h05
5:37 AM O'Hare International Airport1 transfer
unitedUA24676:58 PM Seattle-Tacoma International Airport
4h07
11:05 PM O'Hare International Airport0 transfersDirect
alaska_airlinesAS4107:00 PM Seattle-Tacoma International Airport
4h10
11:10 PM O'Hare International Airport0 transfersDirect
unitedUA5659 · UA17548:24 PM Seattle-Tacoma International Airport
10h34
6:58 AM O'Hare International Airport1 transfer
unitedUA5659 · UA233 · UA11848:24 PM Seattle-Tacoma International Airport
15h20
11:44 AM O'Hare International Airport2 transfers
unitedUA5659 · UA2128:24 PM Seattle-Tacoma International Airport
8h35
4:59 AM O'Hare International Airport1 transfer
unitedUA5659 · UA2093 · UA21028:24 PM Seattle-Tacoma International Airport
14h42
11:06 AM O'Hare International Airport2 transfers
unitedUA2258 · UA14118:25 PM Seattle-Tacoma International Airport
6h50
3:15 AM O'Hare International Airport1 transfer
unitedUA14828:35 PM Seattle-Tacoma International Airport
8h39
5:14 AM O'Hare International Airport0 transfersDirect
alaska_airlinesAS621 · AS14938:41 PM Seattle-Tacoma International Airport
8h56
5:37 AM O'Hare International Airport1 transfer
unitedUA1293 · UA17528:57 PM Seattle-Tacoma International Airport
8h01
4:58 AM O'Hare International Airport1 transfer
unitedUA234010:10 PM Seattle-Tacoma International Airport
4h07
2:17 AM O'Hare International Airport0 transfersDirect
unitedUA757 · UA37711:30 PM Seattle-Tacoma International Airport
6h29
5:59 AM O'Hare International Airport1 transfer
Thursday, January 8
unitedUA5663 · UA2056 · UA12881:12 AM Seattle-Tacoma International Airport
11h13
12:25 PM O'Hare International Airport2 transfers
alaska_airlinesAS5381:50 AM Seattle-Tacoma International Airport
4h00
5:50 AM O'Hare International Airport0 transfersDirect
unitedUA1665 · UA11843:30 AM Seattle-Tacoma International Airport
8h14
11:44 AM O'Hare International Airport1 transfer
unitedUA1665 · UA12883:30 AM Seattle-Tacoma International Airport
8h55
12:25 PM O'Hare International Airport1 transfer
alaska_airlinesAS380 · AS3243:50 AM Seattle-Tacoma International Airport
15h20
7:10 PM O'Hare International Airport1 transfer

This is the last flight of the day.

Find all the dates and times for this journey

How far in advance should I book flight tickets from Seattle, WA to Chicago, IL?

The best time to book your flight from Seattle, WA to Chicago, IL is 42 days before departure. See how prices for flights change on the Seattle, WA to Chicago, IL route.
Prices are for one-way tickets for one passenger from Seattle, WA to Chicago, IL per month. Insights are sourced from fares found by Omio users in the last 12 months. Current prices may differ as prices vary depending on the time of day, class or how far in advance you book your flight from Seattle, WA to Chicago, IL.

Compare prices and tickets Seattle, WA to Chicago, IL 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.

Thu
Jan 08
Fri
Jan 09
Sat
Jan 10
Sun
Jan 11
Mon
Jan 12
Tue
Jan 13
Wed
Jan 14

Airlines: Alaska Airlines, American Airlines, United, Spirit Airlines from Seattle, WA to Chicago, ILFind the best flights between Seattle, WA to Chicago, IL with Omio's travel partners Alaska Airlines, American Airlines, United, Spirit Airlines from $98 (€79). We can find you the best deals, schedules and tickets when comparing and booking the best trip.

United

About
United Airlines is one of the USA’s leading carriers, operating both domestic and international routes. For your next trip, you can choose from Economy, Premium Economy, and Business Class fares.
Luggage & cancellation policy
Average Duration
3h 50m
Cheapest Price
$166 (€133)
United frequency
19 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 5m
Cheapest Price
$143 (€115)
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 14m
Cheapest Price
$378 (€304)
Alaska Airlines frequency
15 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)

Spirit Airlines

About
Spirit Airlines is an American ultra-low-cost carrier, headquartered in Dania Beach, Florida, operating scheduled flights throughout the United States, the Caribbean, and Latin America. Known for its distinctive bright yellow planes, Spirit's business model traditionally focuses on offering low base fares by unbundling services, allowing passengers to pay only for the amenities they choose, such as baggage and seat selection. As of August 2024, Spirit is evolving its offerings, introducing new fare tiers like "Go Big," "Go Comfy," "Go Savvy," and "Go," which include various bundled perks such as wider seats, extra legroom, priority boarding, and in-flight refreshments. Spirit was the seventh largest passenger carrier in North America as of 2023.
Luggage & cancellation policy
Average Duration
10h 13m
Cheapest Price
$132 (€106)
Spirit Airlines frequency
3 a day
Luggage included
Personal item (18 x 14 x 8 inches) included
Additional luggage
Checked bags: First bag $79-89, Second bag $89-99, Additional bags $105-110
Cancellation Policy
Cancellation within 24 hours of booking is free, after that fees apply based on fare type and timing
Pregnant on board
Up to 7 days before departure with medical certificate. After 28 weeks, medical certificate required
Unaccompagned minor
Ages 5-14 can travel as unaccompanied minors for $100 fee per direction. Service not available on international flights or connecting flights
Amenities on board the airplane
Wifi
Accessibility
Spirit Airlines offers assistance for passengers with disabilities, including wheelchair services and priority boarding. Passengers are encouraged to request assistance at least 48 hours in advance to ensure availability.

FAQs: Seattle, WA to Chicago, IL Flight

Find answers to the most common questions about traveling from Seattle, WA to Chicago, IL 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 Chicago, IL, this guide helps you travel smarter and with confidence.

FAQs
Cheap plane tickets from Seattle, WA to Chicago, IL can start from as little as $53 (€43) when you book in advance. The average flight ticket price for Seattle, WA to Chicago, IL is $222 (€178); however, prices vary depending on the time of day and class and they tend to be more expensive on the day.
On average the Seattle, WA to Chicago, IL flight time is 3 h 50 min   covering the 1729 mile (2788 km) long trip, but the journey time can vary depending on specific dates or if traveling on weekends and holidays.
The earliest flight from Seattle, WA to Chicago, IL leaves at 12: 05AM. Plan your trip with the Journey Planner   from Omio.
The latest flight from Seattle, WA to Chicago, IL leaves at 11: 58PM.
There are 38 flights a day from Seattle, WA to Chicago, IL which require at least one change with Alaska Airlines, United or American Airlines. Schedules can vary on holidays or weekends with fewer flights.
When taking a flight from Seattle, WA to Chicago, IL, you can count on Alaska Airlines, United or American Airlines for the best way to get you to Chicago, IL. You can also check all possible airlines who offer a service to Chicago, IL from Seattle, WA and compare the amenities they offer before buying a plane ticket.
The cheapest month for a flight from Seattle, WA to Chicago, IL is January.
You have options as you can travel to Chicago, IL from Seattle, WA 3 different ways: train, bus or flight.
Since neither Seattle, WA nor Chicago, IL are in the Schengen Area, passport requirements depend on the specific immigration rules of USA and USA. 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 Seattle, WA and Chicago, IL all year round.
The best events to attend in Chicago, IL include:
  • Chicago Air and Water Show, an exhilarating display of military and civilian aircraft performing daring maneuvers over Lake Michigan
  • Lollapalooza, a massive music festival featuring top artists across multiple genres in Grant Park
  • Chicago Gourmet, a premier culinary event celebrating the city's vibrant food scene with tastings, cooking demonstrations, and wine pairings.
The best holidays to experience in Chicago, IL include:
  • Memorial Day, the unofficial start of summer with vibrant outdoor activities and events
  • Independence Day, spectacular fireworks and festive celebrations throughout the city
  • Labor Day, a lively atmosphere with various festivals and pleasant weather.
The best seasons to visit Chicago, IL are Spring or Summer. The best weather to explore Chicago, IL is during May-September.
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.

popular airports

Popular airports from Seattle, WA to Chicago, IL

Seattle
Chicago
The major airport for departures 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 trip from Seattle to Chicago.
Amenities at airport
WifiWifi
ShoppingShopping
ParkingParking
DiningDining
ATMATM
TaxisTaxis
AccessibilityAccessibility
WCWC
HotelHotel
ShowerShower
LoungeLounge
Lost and Found OfficeLost and Found Office
Car RentalCar Rental
information
carConnection
Car connection
I-5, Exit 154B
Wifi
Wifi
  • Free Wi-Fi available throughout the airport.
Shopping
Shopping
  • Shops include duty-free, Hudson News, and local specialty stores, located in the main terminal and concourses.
Parking
Parking
  • Parking available in the General Parking area, approximately 4.7€ ($5) per hour.
Dining
Dining
  • Restaurants are available, including fast food and sit-down options like McDold's and Beecher's Handmade Cheese.
Taxis
Taxis
  • Available outside the terminal.
Accessibility
Accessibility
  • Elevators, ramps
WC
WC
  • Available throughout the airport, near gates and in main terminal areas.
Hotel
Hotel
  • Hotels within walking distance, such as the Seattle Airport Marriott and Hilton Seattle Airport.
Shower
Shower
  • Showers are available at The Club at SEA lounges, typically included in lounge access fees.
Lounge
Lounge
  • Lounges include The Club at SEA and Delta Sky Club, offering amenities like scks and showers.
Lost and Found Office
Lost and Found Office
  • Lost and Found located on the baggage claim level, near carousel 13.
Car Rental
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

Most popular flights to and from Chicago, IL and Seattle, WA

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