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All scheduled flights from Seattle to Saint Louis (SEA-STL)

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United States US
All scheduled flights from SEA to STL. You can fly from Seattle to Saint Louis non-stop on every weekday and the flight takes about 3 hours and 54 minutes. Flights with stops take between 5 to 15 hours depending on your flight and connection airport.
SEA-STL
- Flight has a long layover time at the stop-airport and will affect your flight time.
- Change of terminals at the layover airport. This can go quickly or take time depending on the airport.
- Flight is partially or completely overnight (Red-eye flight).
- Airline or one of the airlines in the flight path is a low-cost carrier. Some travelers wants to avoid low-cost airlines.
- This is codeshare flight. A codeshare flight is an agreement between airlines to sell seats on each others flights. Click on the flight to see the actual flight operator.

Flying non-stop between SEA and STL with Alaska Airlines is the fastest option. The flight takes about 3 hours and 49 minutes. Second fastest options is landing at DFW with a total flight time of 8 hours and 7 minutes.

STL is the IATA airport code for Saint Louis Airport, Saint Louis, Missouri.

Yes. STL has 2 terminals and 1336 arriving passenger seats each day.

The transfer from STL is 17 minutes by car to Downtown St Louis.

Airlines that offer direct flights from Seattle (SEA) to Saint Louis (STL) is Alaska Airlines.

The Boeing 737-900 (winglets) Passenger/BBJ3 with Alaska Airlines has 178 seats.

It all depends on what dates you plan on flying. But the approximate round-trip price for one passenger with Alaska Airlines is $618 and with American Airlines $678.

If you fly with Alaska Airlines you will be arriving at Terminal 1 but if you choose to travel with Southwest Airlines you will be arriving at Terminal 2.