Cheap flights from Seattle, WA to St. Louis, MO
Flights starting at £78. Choose between Alaska Airlines, United Airlines, or Sun Country Airlines to find the best price.
Kiwi-Code uncovers prices airlines don't want you to see.
Use our flexible filters to tailor your search.
Look out for the travel hack star icon for even cheaper fares.
Tips to know when travelling to St. Louis
Cheapest one-way trip | £131 |
---|---|
Cheapest round-trip | £216 |
Average round-trip | £273 |
Nonstop flights in May | £129 – £458 |
Most popular airline | Alaska Airlines |
Search by stops
Search by carrier
Search by price
Search by departure date
By subscribing you agree to receive offers according to the conditions described in our Privacy Policy.
Weekly direct flights
Discover the top airlines offering direct flights from Seattle to St. Louis in the next month. You’ll find the number of daily direct flights per airline in the table.
Weekly direct flights for Mon 20.05 - Sun 26.05
Airline | Mon 20.05 | Tue 21.05 | Wed 22.05 | Thu 23.05 | Fri 24.05 | Sat 25.05 | Sun 26.05 |
---|---|---|---|---|---|---|---|
3 | 3 | 3 | 3 | 3 | 3 | 3 |
Weekly direct flights for Mon 27.05 - Sun 02.06
Airline | Mon 27.05 | Tue 28.05 | Wed 29.05 | Thu 30.05 | Fri 31.05 | Sat 01.06 | Sun 02.06 |
---|---|---|---|---|---|---|---|
3 | 3 | 3 | 3 | 3 | 3 | 3 |
Weekly direct flights for Mon 03.06 - Sun 09.06
Airline | Mon 03.06 | Tue 04.06 | Wed 05.06 | Thu 06.06 | Fri 07.06 | Sat 08.06 | Sun 09.06 |
---|---|---|---|---|---|---|---|
3 | 3 | 3 | 3 | 3 | 3 | 3 |
Weekly direct flights for Mon 10.06 - Sun 16.06
Airline | Mon 10.06 | Tue 11.06 | Wed 12.06 | Thu 13.06 | Fri 14.06 | Sat 15.06 | Sun 16.06 |
---|---|---|---|---|---|---|---|
3 | 3 | 3 | 3 | 3 | 3 | 3 |
Check-in for a flight from Seattle to St. Louis
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
Alaska Airlines | ASA | AS | No | Opens 24 days before flight Closes 1 hours before flight |
United Airlines | UAL | UA | Yes | No |
Sun Country Airlines | SCX | SY | Yes | No |
Frontier Airlines | FFT | F9 | No | Opens 24 days before flight Closes 1 hours before flight |
St. Louis travel tips
1) Walk the bohemian neighborhood of St. Louis – South Grand | South Grand is a bohemian and well-maintained area. It is surrounded by the beautiful Tower Grove Park with many ethnic restaurants. After crossing the Mississippi, you will find yourself in a historical place – the Cahokia burial mounds, 15 km from modern St. Louis. |
---|---|
2) Louis is one of the most multicultural cities in the USA | There are a lot of immigrants and representatives of completely different nationalities in St. Louis. More than half of the population of this city are African American. In addition, St. Louis has the largest Bosnian community outside of Bosnia and Herzegovina. |
3) Taste Bosnian cuisine at St. Louis restaurants | Saint Louis is home to the largest Bosnian community outside of Bosnia and Herzegovina. Don't miss the opportunity to sample some authentic Bosnian cuisine. Stop by Grbic Restaurant & Events for cevapi and sarma. |
Weather in St. Louis
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 3°C | -3°C |
February | 6°C | -2°C |
March | 13°C | 3°C |
April | 18°C | 8°C |
May | 24°C | 14°C |
June | 29°C | 19°C |
July | 31°C | 21°C |
August | 30°C | 20°C |
September | 27°C | 16°C |
October | 20°C | 10°C |
November | 12°C | 3°C |
December | 7°C | 0°C |
14 day forecast
Frequently asked questions
Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any A and any B in the world by plane, train, and bus. Find the cheapest routes and best deals for you, as well as the best dates on which to travel.
Explore alternative trips
Flights from Seattle
- Flights from Seattle to London
- Flights from Seattle to Las Vegas
- Flights from Seattle to Denver
- Flights from Seattle to Phoenix
- Flights from Seattle to Dublin
- Flights from Seattle to Melbourne
- Flights from Seattle to Orlando
- Flights from Seattle to Salt Lake City
- Flights from Seattle to San Jose
- Flights from Seattle to Vancouver
- Flights from Seattle to Manchester
- Flights from Seattle to Edinburgh
- Flights from Seattle to San Francisco
- Flights from Seattle to Philadelphia
- Flights from Seattle to Dallas
- Flights from Seattle to Washington, D.C.
- Flights from Seattle to New York
- Flights from Seattle to Atlanta
- Flights from Seattle to Los Angeles
- Flights from Seattle to Rome
Flights to St. Louis
- Flights from London to St. Louis
- Flights from Manchester to St. Louis
- Flights from New York to St. Louis
- Flights from Cebu to St. Louis
- Flights from San Jose to St. Louis
- Flights from Atlanta to St. Louis
- Flights from Los Angeles to St. Louis
- Flights from Orlando to St. Louis
- Flights from Edinburgh to St. Louis
- Flights from Houston to St. Louis
- Flights from San Francisco to St. Louis
- Flights from Phoenix to St. Louis
- Flights from Portland to St. Louis
- Flights from Denver to St. Louis
- Flights from Dallas to St. Louis
- Flights from Glasgow to St. Louis
- Flights from Washington, D.C. to St. Louis
- Flights from Paris to St. Louis
- Flights from Charlotte to St. Louis
- Flights from Reykjavik to St. Louis
Popular routes
- Flights from London to Lisbon
- Flights from Pula to Amsterdam
- Flights from London to Larnaca
- Flights from Atlanta to Houston
- Flights from Shanghai to Ürümqi
- Flights from Minneapolis to Boston
- Flights from Seville to Split
- Flights from San José to Bocas Town, Bocas del Toro
- Flights from Palma, Majorca to Málaga
- Flights from Puerto Natales to Buenos Aires
- Flights from Barcelona to Nuremberg
- Flights from Frankfurt to Valencia