Direct flights from Seattle to Saint Louis
All flights from SEA to STL non-stop. There are direct flights from Seattle Tacoma International, Washington, USA to Saint Louis Airport (STL), Missouri, USA every day of the week with Alaska Airlines and Southwest Airlines. The flight distance is 1714 miles and the trip usually takes about 4 hours.
Seattle
, USA
Airlines with non-stop routes:
Alaska Airlines
Southwest Airlines
Flight schedule from Seattle to Saint Louis with Alaska Airlines
This is a weekly direct flight schedule for Alaska Airlines. Use the arrows or click on the date to change week. Click on any flight departure time to show more information and check availability.
Flight
The timetable & schedule information was updated at 2025-03-15
Flight schedule from Seattle to Saint Louis with Southwest Airlines
This is a weekly direct flight schedule for Southwest Airlines. Use the arrows or click on the date to change week. Click on any flight departure time to show more information and check availability.
Flight
The timetable & schedule information was updated at 2025-03-15
Seattle to Saint Louis flight departures
Select a date to see all scheduled flight departures between SEA to STL.
SEA - STL information
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Distance1714 miles (2758 km)
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Flight time4 hours
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Airlines Alaska Airlines Southwest
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AlliancesOne WorldSky TeamStar Alliance
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ClassesEconomyBusinessFirst Class
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Alaska Airlines AircraftBoeing 737 Passenger
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Southwest AircraftBoeing 737 Passenger
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Arrival TerminalsTerminal 1 (Alaska Airlines)Terminal 2 (Southwest)
Direct flights from Seattle to MO, USA
From Seattle to Kansas City
MCI Kansas City International Airport
