Question 1

How long is the flight from St Louis to Seattle?

Accepted Answer

The flight from St. Louis Lambert International Airport (STL) to Seattle–Tacoma International Airport (SEA) covers 2,744 km and takes approximately 3h 33m. Actual duration varies by airline, routing, and wind conditions — check individual flight listings for scheduled times.

Question 2

Which airlines fly from St Louis to Seattle?

Accepted Answer

There are 2 airlines operating the STL–SEA route. Use the TrackMyWings app to compare schedules, prices, and on-time performance across all carriers on this route.

Question 3

What is the best airline from St Louis to Seattle?

Accepted Answer

The best airline on the STL–SEA route depends on your priorities — price, on-time performance, cabin experience, or loyalty miles. TrackMyWings tracks real-time on-time data for all 2 carriers on this route so you can make an informed choice.

Question 4

How often do flights operate from St Louis to Seattle?

Accepted Answer

The STL–SEA route is served by 2 airlines, with combined daily frequency varying by season. Check the TrackMyWings schedule view for live departure listings and to find the next available flight from St Louis to Seattle.

Flight	Airline	Dep Time	Arr Time	Status
AA 5589	American Airlines	08:00	14:00	Scheduled
AS 4131	Alaska Airlines	08:00	14:00	Scheduled

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St Louis (STL) to Seattle (SEA) Flights

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