Journey information
Overview: Seattle, WA to St. Louis, MO flight
Flights from Seattle, WA to St. Louis, MO depart on average 30 times per day, taking around 3h 48m. Cheap flight tickets for this journey start at $92 (€75) 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 6h 31m. September is the cheapest month to fly.
Distance 1720 miles (2769 km) |
Average flight duration 3h 48m |
Cheapest ticket price $92 (€75) |
Flights per day 30 |
Direct flights 2 |
Fastest flight 6h 31m |
Cheapest month to travel September |
First flight 00:05 |
Last flight 23:58 |
The cheapest and fastest flights from Seattle, WA to St. Louis, MO
Cheapest price
$392
Average price
$759
Fastest journey
3 h 54 m
Average duration
5 h 27 m
Flights per day
53
Distance
2769 km
The best way to find a cheap flight ticket from Seattle, WA to St. Louis, MO 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 St. Louis, MO will cost around $759 if you buy it on the day, but the cheapest tickets can be found for only $392.
Of the 53 flights that leave Seattle, WA for St. Louis, MO onFri, Nov 07, 3 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
On Fri, Nov 07 the direct flights cover the 2769 km distance in an average of 5 h 27 m but if you time it right, some flights will get you there in just 3 h 54 m .
On Fri, Nov 07 the longest flights will take 6 h 46 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.
AA2073 · AA2043
UA4672 · UA336
UA747 · UA4416
UA1263 · UA2470
UA2217 · UA4527
AA7626
AA7468
UA1505 · UA1315
AA717 · AA1010
UA747 · UA4416Travel Information
Compare train, bus, and flight for Seattle, WA to St. Louis, MO
Omio recommends booking the train as it is the most popular option from Seattle, WA to St. Louis, MO among Omio's users. If you are prioritising price take the bus with prices starting from €136. For those with little time consider booking a flight which can get you there in 3h 48m. The ticket price range depends on the travel mode: a bus costs an average of €136, and a train costs an average of €196.
Distance: 1720 miles (2769 km)
Compare flight with
| Flight | Most popular Train | Bus |
|---|---|---|
€189 Average price | €252 Average price | €173 Average price Cheapest |
6h 48m Average total duration Fastest 3h 48m Onboard + 3h 0m Additional time* | 57h 9m Average total duration 56h 39m Onboard + 30m Additional time* | 47h 29m Average total duration 46h 59m Onboard + 30m Additional time* |
![]() Most popular airline | ![]() Most popular train company | ![]() Most popular bus company |
Direct Options | Direct Options | Direct Options |
Live departures
Seattle, WA to St. Louis, MO flight times
The table below shows live departures for Seattle, WA to St. Louis, MO flights for tomorrow, Friday, November 7. You can also manually refresh the results below to see updated flight journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
AA2442+ AA4595 | 8:59 AM Seattle-Tacoma International Airport | 13h13 | 10:12 PM St. Louis Lambert International Airport | 1 transfer | |
AA2442+ AA4924 | 8:59 AM Seattle-Tacoma International Airport | 16h28 | 1:27 AM St. Louis Lambert International Airport | 1 transfer | |
AA2442+ AA6332 | 8:59 AM Seattle-Tacoma International Airport | 10h41 | 7:40 PM St. Louis Lambert International Airport | 1 transfer | |
AA2442+ AA3764 | 8:59 AM Seattle-Tacoma International Airport | 11h54 | 8:53 PM St. Louis Lambert International Airport | 1 transfer | |
UA2269 · UA1315 | 1:05 PM Seattle-Tacoma International Airport | 9h23 | 10:28 PM St. Louis Lambert International Airport | 1 transfer | |
UA4672 · UA2209 · UA3468 | 1:30 PM Seattle-Tacoma International Airport | 16h12 | 5:42 AM St. Louis Lambert International Airport | 2 transfers | |
UA4672 · UA336 | 1:30 PM Seattle-Tacoma International Airport | 8h57 | 10:27 PM St. Louis Lambert International Airport | 1 transfer | |
UA4672 · UA1557 · UA4416 | 1:30 PM Seattle-Tacoma International Airport | 12h09 | 1:39 AM St. Louis Lambert International Airport | 2 transfers | |
UA4672 · UA713 · UA3468 | 1:30 PM Seattle-Tacoma International Airport | 16h12 | 5:42 AM St. Louis Lambert International Airport | 2 transfers | |
UA4672 · UA2243 · UA3525 | 1:30 PM Seattle-Tacoma International Airport | 10h09 | 11:39 PM St. Louis Lambert International Airport | 2 transfers | |
UA1197 · UA2394 · UA4416 | 2:13 PM Seattle-Tacoma International Airport | 11h26 | 1:39 AM St. Louis Lambert International Airport | 2 transfers | |
AA3068 · AA2937 | 2:19 PM Seattle-Tacoma International Airport | 10h22 | 12:41 AM St. Louis Lambert International Airport | 1 transfer | |
AA3068 · AA2477 | 2:19 PM Seattle-Tacoma International Airport | 8h46 | 11:05 PM St. Louis Lambert International Airport | 1 transfer | |
AA6420 · AA6502 | 2:20 PM Seattle-Tacoma International Airport | 15h22 | 5:42 AM St. Louis Lambert International Airport | 1 transfer | |
AA6437+ AA2043 | 2:30 PM Seattle-Tacoma International Airport | 15h21 | 5:51 AM St. Louis Lambert International Airport | 1 transfer | |
UA2640 · UA713 · UA3468 | 3:00 PM Seattle-Tacoma International Airport | 14h42 | 5:42 AM St. Louis Lambert International Airport | 2 transfers | |
UA2640 · UA1557 · UA4416 | 3:00 PM Seattle-Tacoma International Airport | 10h39 | 1:39 AM St. Louis Lambert International Airport | 2 transfers | |
UA2618 | 3:00 PM Seattle-Tacoma International Airport | 6h46 | 9:46 PM St. Louis Lambert International Airport | 0 transfersDirect | |
UA2640 · UA2209 · UA3468 | 3:00 PM Seattle-Tacoma International Airport | 14h42 | 5:42 AM St. Louis Lambert International Airport | 2 transfers | |
UA2640 · UA336 | 3:00 PM Seattle-Tacoma International Airport | 7h27 | 10:27 PM St. Louis Lambert International Airport | 1 transfer | |
UA2135 · UA2384 | 3:10 PM Seattle-Tacoma International Airport | 9h37 | 12:47 AM St. Louis Lambert International Airport | 1 transfer | |
AA1667 · AA2269 | 3:23 PM Seattle-Tacoma International Airport | 7h04 | 10:27 PM St. Louis Lambert International Airport | 1 transfer | |
AA1667 · AA2246 | 3:23 PM Seattle-Tacoma International Airport | 10h07 | 1:30 AM St. Louis Lambert International Airport | 1 transfer | |
UA2217 · UA4527 | 4:00 PM Seattle-Tacoma International Airport | 9h16 | 1:16 AM St. Louis Lambert International Airport | 1 transfer | |
UA2217 · UA2497 · UA4185 | 4:00 PM Seattle-Tacoma International Airport | 11h40 | 3:40 AM St. Louis Lambert International Airport | 2 transfers | |
UA1505 · UA3468 | 4:36 PM Seattle-Tacoma International Airport | 13h06 | 5:42 AM St. Louis Lambert International Airport | 1 transfer | |
UA1505 · UA1315 | 4:36 PM Seattle-Tacoma International Airport | 5h52 | 10:28 PM St. Louis Lambert International Airport | 1 transfer | |
UA5654 · UA1318 · UA4185 | 5:04 PM Seattle-Tacoma International Airport | 10h36 | 3:40 AM St. Louis Lambert International Airport | 2 transfers | |
UA5654 · UA1729 · UA2470 | 5:04 PM Seattle-Tacoma International Airport | 10h50 | 3:54 AM St. Louis Lambert International Airport | 2 transfers | |
AA7468 | 5:15 PM Seattle-Tacoma International Airport | 4h03 | 9:18 PM St. Louis Lambert International Airport | 0 transfersDirect | |
UA1116 · UA2619 · UA4487 | 5:25 PM Seattle-Tacoma International Airport | 11h20 | 4:45 AM St. Louis Lambert International Airport | 2 transfers | |
AA707 · AA1010 | 6:35 PM Seattle-Tacoma International Airport | 10h23 | 4:58 AM St. Louis Lambert International Airport | 1 transfer | |
AA707 · AA2246 | 6:35 PM Seattle-Tacoma International Airport | 6h55 | 1:30 AM St. Louis Lambert International Airport | 1 transfer | |
UA747 · UA4416 | 6:53 PM Seattle-Tacoma International Airport | 6h46 | 1:39 AM St. Louis Lambert International Airport | 1 transfer | |
UA747 · UA4185 | 6:53 PM Seattle-Tacoma International Airport | 8h47 | 3:40 AM St. Louis Lambert International Airport | 1 transfer | |
AA5004+ AA2043 | 7:25 PM Seattle-Tacoma International Airport | 10h26 | 5:51 AM St. Louis Lambert International Airport | 1 transfer | |
AA767 · AA1010 | 7:34 PM Seattle-Tacoma International Airport | 9h24 | 4:58 AM St. Louis Lambert International Airport | 1 transfer | |
AA2069+ AA4576 | 7:42 PM Seattle-Tacoma International Airport | 10h14 | 5:56 AM St. Louis Lambert International Airport | 1 transfer | |
UA1263 · UA2470 | 8:00 PM Seattle-Tacoma International Airport | 7h54 | 3:54 AM St. Louis Lambert International Airport | 1 transfer | |
UA2108 · UA4487 | 8:35 PM Seattle-Tacoma International Airport | 8h10 | 4:45 AM St. Louis Lambert International Airport | 1 transfer | |
UA2108 · UA4185 | 8:35 PM Seattle-Tacoma International Airport | 7h05 | 3:40 AM St. Louis Lambert International Airport | 1 transfer | |
AA2775 · AA2562 | 8:42 PM Seattle-Tacoma International Airport | 8h25 | 5:07 AM St. Louis Lambert 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 Seattle, WA to St. Louis, MO 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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Airlines: Alaska Airlines from Seattle, WA to St. Louis, MOFind the best flights between Seattle, WA to St. Louis, MO with Omio's travel partners Alaska Airlines from $92 (€75). We can find you the best deals, schedules and tickets when comparing and booking the best trip.
Alaska Airlines
FAQs: Seattle, WA to St. Louis, MO Flight
Find answers to the most common questions about traveling from Seattle, WA to St. Louis, MO 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 St. Louis, MO, this guide helps you travel smarter and with confidence.

- St. Louis Mardi Gras, a vibrant celebration featuring parades, live music, and festive activities in the Soulard neighborhood
- St. Louis Art Fair, an annual event showcasing local and national artists with art exhibits, live performances, and culinary delights
- Fair St. Louis, a multi-day Independence Day festival with fireworks, concerts, and family-friendly activities along the Gateway Arch.
- Independence Day, vibrant fireworks and festive celebrations throughout the city
- Labor Day, pleasant weather and various outdoor activities
- Thanksgiving, a time for family gatherings with a charming autumn atmosphere.
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.
popular airports
Popular airports from Seattle, WA to St. Louis, MO
- Free Wi-Fi available throughout the airport.
- Shops include duty-free, Hudson News, and local specialty stores, located in the main terminal and concourses.
- Parking available in the General Parking area, approximately 4.7€ ($5) per hour.
- Restaurants are available, including fast food and sit-down options like McDold's and Beecher's Handmade Cheese.
- Available outside the terminal.
- Elevators, ramps
- Available throughout the airport, near gates and in main terminal areas.
- Hotels within walking distance, such as the Seattle Airport Marriott and Hilton Seattle Airport.
- Showers are available at The Club at SEA lounges, typically included in lounge access fees.
- Lounges include The Club at SEA and Delta Sky Club, offering amenities like scks and showers.
- Lost and Found located on the baggage claim level, near carousel 13.
- Car rental services are available at the Rental Car Facility, accessible via a free shuttle from the terminal.
- Link Light Rail, SeaTac/Airport Station, 40 minutes
- Free Wi-Fi available throughout the airport.
- Shops in both terminals, including Hudson News and Tech on the Go.
- Parking available with short-term and long-term options, approximately 1.42€ ($1.50) per hour.
- Restaurants in both terminals, including fast food and sit-down options like Starbucks and Chili's
- Available outside the terminal.
- Elevators, ramps
- Available throughout both terminals.
- Hotels nearby, such as Marriott St. Louis Airport within walking distance.
- Showers available in some lounges, access may require lounge fee.
- Lounges available, including American Airlines Admirals Club.
- Lost and Found located in terminal 1, contact airport for details.
- Car rental services available, including Hertz and Enterprise in terminal 1
- MetroLink Red Line, Lambert Airport terminal 1 & 2 stations, 35 minutes
More options for your journey from Seattle, WA to St. Louis, MO
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