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Journey information
Overview: St. Louis, MO to Seattle, WA flight
USAUSA
Flights from St. Louis, MO to Seattle, WA depart on average 33 times per day, taking around 4h 38m. Cheap flight tickets for this journey start at $88 (€70) if you book in advance.
There are 2 flights per day. The earliest flight runs at 00:05, the last at 23:58. The fastest flight covers the 1720 miles (2769 km) distance in 4h 39m. October 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 1720 miles (2769 km) |
Average flight duration 4h 38m |
Cheapest ticket price $88 (€70) |
Flights per day 33 |
Direct flights 2 |
Fastest flight 4h 39m |
Cheapest month to travel October |
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 St. Louis, MO to Seattle, WA
Showing times and prices for Feb 06
Cheapest price
$205
Average price
$274
Fastest journey
8 h 27 m
Average duration
8 h 44 m
Flights per day
5
Distance
2769 km
Cheap tickets
The best way to find a cheap flight ticket from St. Louis, MO 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 St. Louis, MO to Seattle, WA will cost around $274 if you buy it on the day, but the cheapest tickets can be found for only $205.
Fast flights
Of the 5 flights that leave St. Louis, MO for Seattle, WA onFri, Feb 06, 5 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
On Fri, Feb 06 the direct flights cover the 2769 km distance in an average of 8 h 44 m but if you time it right, some flights will get you there in just 8 h 27 m .
On Fri, Feb 06 the longest flights will take 9 h 16 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.
10:18PM8h50
St. Louis, MO07:08AMSeattle, WA
$2051One-way
0 transfers
11:00AM8h38
St. Louis, MO07:38PMSeattle, WA
$2591One-way
0 transfers
10:27PM9h16
St. Louis, MO07:43AMSeattle, WA
$2831One-way
0 transfers
09:28PM8h27
St. Louis, MO05:55AMSeattle, WA
$2861One-way
0 transfers
11:15AM8h31
St. Louis, MO07:46PMSeattle, WA
$3351One-way
0 transfers
09:28PM8h27
St. Louis, MO05:55AMSeattle, WA
$2861One-way
0 transfers
11:15AM8h31
St. Louis, MO07:46PMSeattle, WA
$3351One-way
0 transfers
11:00AM8h38
St. Louis, MO07:38PMSeattle, WA
$2591One-way
0 transfers
10:18PM8h50
St. Louis, MO07:08AMSeattle, WA
$2051One-way
0 transfers
10:27PM9h16
St. Louis, MO07:43AMSeattle, WA
$2831One-way
0 transfers
Travel Information
Compare bus, train, and flight for St. Louis, MO to Seattle, WA
Omio recommends booking the train as it is the most popular option from St. Louis, MO to Seattle, WA among Omio's users. If you are prioritising price take the flight with prices starting from €70. For those with little time consider booking a flight which can get you there in 4h 38m. The ticket price range depends on the travel mode: a flight costs an average of €70, and a train costs an average of €225.
Distance: 1720 miles (2769 km)
Compare flight with
| Flight | Most popular Train | Bus |
|---|---|---|
€254 Average price Cheapest | €347 Average price | €255 Average price |
7h 38m Average total duration Fastest 4h 38m Onboard + 3h 0m Additional time* | 53h 44m Average total duration 53h 14m Onboard + 30m Additional time* | 53h 31m Average total duration 53h 1m Onboard + 30m Additional time* |
 Most popular airline |  Most popular train company |  Most popular bus company |
Direct Options | Direct Options | Direct Options |
Live departures
St. Louis, MO to Seattle, WA flight times
The table below shows live departures for St. Louis, MO to Seattle, WA flights for today, Thursday, February 5. You can also manually refresh the results below to see updated flight journeys.
Last updated at 5:52 AM
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
| 10:18 AM St. Louis, MO | 7h32 | 5:50 PM Seattle, WA | 0 transfersDirect | |
| 11:00 AM St. Louis, MO | 8h38 | 7:38 PM Seattle, WA | 0 transfersDirect | |
| 2:07 PM St. Louis, MO | 9h33 | 11:40 PM Seattle, WA | 0 transfersDirect | |
| 8:24 PM St. Louis, MO | 4h26 | 12:50 AM Seattle, WA | 0 transfersDirect | |
| 9:28 PM St. Louis, MO | 8h27 | 5:55 AM Seattle, WA | 0 transfersDirect |
Find all the dates and times for this journey
Compare prices and tickets St. Louis, MO to Seattle, WA by bus, train, or flight
Compare bus, train, 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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Feb 06
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Why should you book St. Louis, MO to Seattle, WA flights with Omio?
Alaska Airlines operates all flights services from St. Louis, MO to Seattle, WA.
Omio is an official ticket reseller for all your travel options from St. Louis, MO to Seattle, WA.
Why book with Omio vs Alaska Airlines?
- Compare with other providers: On Omio, you can not only buy tickets for Alaska Airlines, but also compare tickets for the likes of to find the best option for your trip from St. Louis, MO 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 Alaska Airlines with all available travel options, which are bus, train and flight to ensure you get the best deal for traveling from St. Louis, MO to Seattle, WA.
Why book with Omio over Skyscanner, Trip or Edreams?
- Multiple modes of transport: Omio allows you to compare travel options including bus, train and flight to find the ideal travel option from St. Louis, MO to Seattle, WA.
Airlines: Alaska Airlines from St. Louis, MO to Seattle, WAFind the best flights between St. Louis, MO to Seattle, WA with Omio's travel partners Alaska Airlines from $88 (€70). We can find you the best deals, schedules and tickets when comparing and booking the best trip.
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 19m
Cheapest Price
$202 (€161)
Alaska Airlines frequency
4 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)
Entertaiment on board
FAQs: St. Louis, MO to Seattle, WA Flight
Find answers to the most common questions about traveling from St. Louis, MO 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 St. Louis, MO to Seattle, WA can start from as little as $88 (€70) when you book in advance. The average flight ticket price for St. Louis, MO to Seattle, WA is $319 (€254) ; 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 St. Louis, MO to Seattle, WA is 4h 39m to travel the 1720 miles (2769 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 St. Louis, MO to Seattle, WA leaves at 12:05 AM. Plan your trip with the Journey Planner from Omio.
The latest flight from St. Louis, MO to Seattle, WA leaves at 11:58 PM.
Yes, there are 2 direct flights a day from St. Louis, MO to Seattle, WA with Alaska Airlines. Schedules can vary on holidays or weekends with fewer direct flights.
When taking a flight from St. Louis, MO to Seattle, WA, you can count on Alaska Airlines for the best way to get you to Seattle, WA. You can also check all possible airlines who offer a service between St. Louis, MO and Seattle, WA and compare the amenities they offer before buying a plane ticket.
Flights from St. Louis, MO to Seattle, WA generally leave from St. Louis Lambert International Airport and arrive in Seattle-Tacoma International Airport.St. Louis Lambert International Airport is 1 miles (2 km) away from St. Louis, MO city centre and Seattle-Tacoma International Airport is from Seattle, WA city centre.
The cheapest month for a flight from St. Louis, MO to Seattle, WA is October.
It's helpful to compare your options as there are 3 ways to travel between St. Louis, MO and Seattle, WA including taking a bus, train, and flight.
Since neither St. Louis, MO 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 St. Louis, MO 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.
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 season to visit Seattle, WA is Spring or Fall. The best weather to explore Seattle, WA is during April-June or September-November.
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 St. Louis, MO to Seattle, WA
St. Louis
Seattle
The major airport for departures in St. Louis is St. Louis Lambert International Airport. Find all the information you need to know about services, amenities and connections at St. Louis Lambert International Airport for your trip from St. Louis 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
2 km
Car connection
I-70, Exit 236Wifi
- Free Wi-Fi available throughout the airport.
Shopping
- Shops in both terminals, including Hudson News and Tech on the Go.
Parking
- Parking available with short-term and long-term options, approximately 1.42€ ($1.50) per hour.
Dining
- Restaurants in both terminals, including fast food and sit-down options like Starbucks and Chili's
Taxis
- Available outside the terminal.
Accessibility
- Elevators, ramps
WC
- Available throughout both terminals.
Hotel
- Hotels nearby, such as Marriott St. Louis Airport within walking distance.
Shower
- Showers available in some lounges, access may require lounge fee.
Lounge
- Lounges available, including American Airlines Admirals Club.
Lost and Found Office
- Lost and Found located in terminal 1, contact airport for details.
Car Rental
- Car rental services available, including Hertz and Enterprise in terminal 1
Public transit options for St. Louis Lambert International Airport
- MetroLink Red Line, Lambert Airport terminal 1 & 2 stations, 35 minutes
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 St. Louis.
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 St. Louis, MO to Seattle, WA
Here are some other resources that might have the information you need
Most popular flights to and from Seattle, WA and St. Louis, MO
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