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Alaska Airlines flights from St Louis to Seattle

Alaska Airlines flies St Louis to Seattle nonstop 16 times a week, departures from 06:00 to 15:23, 4h 28m in the air.

Flights from St Louis to Seattle

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Alaska Airlines on St Louis to Seattle at a glance

flights a week
16
days of operation
Daily
first and last departure
06:00 - 15:23
flight time
4h 28m - 4h 46m
aircraft
Boeing 737-900, Boeing 737
departure terminal
1
cheapest fare on the route
$240

Alaska Airlines St Louis to Seattle schedule

16 flights a week. Departure and arrival times are local.

FlightDepartsArrivesDurationDaysAircraft
AS 615
Alaska Airlines
06:00 Lambert-St. Louis International, terminal 1
08:36 Seattle-Tacoma International
4h 36m
Daily
Boeing 737-800
AS 669
Alaska Airlines
06:00 Lambert-St. Louis International, terminal 1
08:40 Seattle-Tacoma International
4h 40m
Mon, Fri, Sat, Sun
Boeing 737-800
AS 618
Alaska Airlines
15:20 Lambert-St. Louis International, terminal 1
17:55 Seattle-Tacoma International
4h 35m
Mon, Fri, Sat, Sun
Boeing 737
AS 618
Alaska Airlines
15:23 Lambert-St. Louis International, terminal 1
17:53 Seattle-Tacoma International
4h 30m
Mon, Thu, Fri, Sun
Boeing 737-900

Seasonal and one-off flights

Not operating in the next two weeks. The first of them is on 1 December.

FlightDepartsArrivesDurationDaysAircraft
AS 615
Alaska Airlines
06:04 Lambert-St. Louis International, terminal 1
08:50 Seattle-Tacoma International
4h 46m
Seasonal
Boeing 737
AS 618
Alaska Airlines
16:04 Lambert-St. Louis International, terminal 1
18:44 Seattle-Tacoma International
4h 40m
Seasonal
Boeing 737
AS 512
Alaska Airlines
06:04 Lambert-St. Louis International, terminal 1
08:46 Seattle-Tacoma International
4h 42m
Seasonal
Boeing 737-900
AS 618
Alaska Airlines
16:32 Lambert-St. Louis International, terminal 1
19:11 Seattle-Tacoma International
4h 39m
Seasonal
Boeing 737-900
AS 618
Alaska Airlines
15:54 Lambert-St. Louis International, terminal 1
18:26 Seattle-Tacoma International
4h 32m
Seasonal
Boeing 737-900
AS 618
Alaska Airlines
15:04 Lambert-St. Louis International, terminal 1
17:32 Seattle-Tacoma International
4h 28m
Seasonal
Boeing 737-900
AS 348
Alaska Airlines
07:00 Lambert-St. Louis International, terminal 1
09:28 Seattle-Tacoma International
4h 28m
Seasonal
Boeing 737-900
AS 647
Alaska Airlines
15:24 Lambert-St. Louis International, terminal 1
17:52 Seattle-Tacoma International
4h 28m
Seasonal
Boeing 737-900
AS 388
Alaska Airlines
15:24 Lambert-St. Louis International, terminal 1
17:52 Seattle-Tacoma International
4h 28m
Seasonal
Boeing 737-900
AS 348
Alaska Airlines
06:00 Lambert-St. Louis International, terminal 1
08:28 Seattle-Tacoma International
4h 28m
Seasonal
Boeing 737-900
AS 388
Alaska Airlines
16:12 Lambert-St. Louis International, terminal 1
18:40 Seattle-Tacoma International
4h 28m
Seasonal
Boeing 737-900
AS 329
Alaska Airlines
19:41 Lambert-St. Louis International, terminal 1
22:09 Seattle-Tacoma International
4h 28m
Seasonal
Boeing 737-900
AS 329
Alaska Airlines
19:32 Lambert-St. Louis International, terminal 1
22:00 Seattle-Tacoma International
4h 28m
Seasonal
Boeing 737-900

Days of the week are taken from the schedule for the next 14 days; schedules change by season. Seattle is 2 hours behind St Louis.

Other airlines flying St Louis to Seattle

Nonstop flights by the current schedule

Southwest Airlines All flights St Louis to Seattle

Frequently asked questions

How many Alaska Airlines flights are there from St Louis to Seattle?
16 nonstop flights a week, 8 flight numbers in the schedule: Daily.
How long is the Alaska Airlines flight from St Louis to Seattle?
From 4 hours 28 minutes to 4 hours 46 minutes nonstop, depending on the flight.
Which aircraft does Alaska Airlines fly from St Louis to Seattle?
Boeing 737-900, Boeing 737 and Boeing 737-800.
Which terminals does Alaska Airlines use between St Louis and Seattle?
Alaska Airlines departs from Lambert-St. Louis International, terminal 1 and arrives at Seattle-Tacoma International.