Alaska Airlines flights from Seattle-Tacoma (SEA) to Saint Louis (STL).

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 07:21 Seattle-Tacoma (SEA) 13:08 Saint Louis (STL) 1
Alaska Airlines AS 388 Non-stop Boeing 737 (73J) 3:47 Effective 2024-01-08 through 2024-02-14
Daily 07:28 Seattle-Tacoma (SEA) 13:26 Saint Louis (STL) 1
Alaska Airlines AS 388 Non-stop Boeing 737 (73J) 3:58 Effective 2024-03-14 through 2024-03-29
Sat 07:28 Seattle-Tacoma (SEA) 13:26 Saint Louis (STL) 1
Alaska Airlines AS 388 Non-stop Boeing 737-900 (739) 3:58 Operates only on 2024-03-30
Mon-Fri,Sun 07:28 Seattle-Tacoma (SEA) 13:26 Saint Louis (STL) 1
Alaska Airlines AS 388 Non-stop Boeing 737 (73J) 3:58 Effective 2024-03-31 through 2024-04-11
Fri,Sat 07:28 Seattle-Tacoma (SEA) 13:26 Saint Louis (STL) 1
Alaska Airlines AS 388 Non-stop Boeing 737 MAX 9 (7M9) 3:58 Effective 2024-04-06 through 2024-04-12
Mon,Sat 07:28 Seattle-Tacoma (SEA) 13:26 Saint Louis (STL) 1
Alaska Airlines AS 388 Non-stop Boeing 737-900 (739) 3:58 Effective 2024-04-13 through 2024-04-15
Sun 07:28 Seattle-Tacoma (SEA) 13:26 Saint Louis (STL) 1
Alaska Airlines AS 388 Non-stop Boeing 737 (73J) 3:58 Operates only on 2024-04-14
Mon-Wed,Fri-Sun 07:30 Seattle-Tacoma (SEA) 13:24 Saint Louis (STL) 1
Alaska Airlines AS 388 Non-stop Boeing 737 (73J) 3:54 Valid until 2024-01-03
Thu-Sun 07:30 Seattle-Tacoma (SEA) 13:24 Saint Louis (STL) 1
Alaska Airlines AS 388 Non-stop Boeing 737 (73J) 3:54 Effective 2024-01-04 through 2024-01-07
Daily 07:30 Seattle-Tacoma (SEA) 13:21 Saint Louis (STL) 1
Alaska Airlines AS 388 Non-stop Boeing 737 (73J) 3:51 Effective 2024-02-15 through 2024-03-13
Daily 07:36 Seattle-Tacoma (SEA) 13:35 Saint Louis (STL) 1
Alaska Airlines AS 388 Non-stop Boeing 737 (73J) 3:59 Effective 2024-04-16 through 2024-05-15
Daily 10:35 Seattle-Tacoma (SEA) 16:27 Saint Louis (STL) 1
Alaska Airlines AS 388 Non-stop Boeing 737 (73J) 3:52 Effective from 2024-05-16
Daily 13:00 Seattle-Tacoma (SEA) 18:56 Saint Louis (STL) 1
Alaska Airlines AS 436 Non-stop Boeing 737 (73J) 3:56 Effective 2024-05-16 through 2024-09-30
Daily 17:45 Seattle-Tacoma (SEA) 23:41 Saint Louis (STL) 1
Alaska Airlines AS 472 Non-stop Boeing 737 (73J) 3:56 Effective from 2024-05-16
Daily 18:03 Seattle-Tacoma (SEA) 23:59 Saint Louis (STL) 1
Alaska Airlines AS 472 Non-stop Boeing 737 (73J) 3:56 Effective 2024-04-16 through 2024-05-15
Mon,Wed-Sun 18:05 Seattle-Tacoma (SEA) 23:59 Saint Louis (STL) 1
Alaska Airlines AS 472 Non-stop Boeing 737 (73J) 3:54 Valid until 2024-01-05
Tue 18:05 Seattle-Tacoma (SEA) 23:59 Saint Louis (STL) 1
Alaska Airlines AS 472 Non-stop Boeing 737 MAX 9 (7M9) 3:54 Operates only on 2024-01-02
Sat 18:05 Seattle-Tacoma (SEA) 23:59 Saint Louis (STL) 1
Alaska Airlines AS 472 Non-stop Boeing 737-900 (739) 3:54 Operates only on 2024-01-06
Daily 18:05 Seattle-Tacoma (SEA) 23:59 Saint Louis (STL) 1
Alaska Airlines AS 472 Non-stop Boeing 737 (73J) 3:54 Effective 2024-03-14 through 2024-03-20
Thu 18:05 Seattle-Tacoma (SEA) 23:59 Saint Louis (STL) 1
Alaska Airlines AS 472 Non-stop Boeing 737 MAX 9 (7M9) 3:54 Operates only on 2024-03-21
Daily 18:05 Seattle-Tacoma (SEA) 23:59 Saint Louis (STL) 1
Alaska Airlines AS 472 Non-stop Boeing 737 (73J) 3:54 Effective 2024-03-22 through 2024-03-29
Sat 18:05 Seattle-Tacoma (SEA) 23:59 Saint Louis (STL) 1
Alaska Airlines AS 472 Non-stop Boeing 737-900 (739) 3:54 Effective 2024-03-30 through 2024-04-13
Mon-Thu,Sun 18:05 Seattle-Tacoma (SEA) 23:59 Saint Louis (STL) 1
Alaska Airlines AS 472 Non-stop Boeing 737 (73J) 3:54 Effective 2024-03-31 through 2024-04-15
Fri 18:05 Seattle-Tacoma (SEA) 23:59 Saint Louis (STL) 1
Alaska Airlines AS 472 Non-stop Boeing 737-900 (739) 3:54 Operates only on 2024-04-05
Fri 18:05 Seattle-Tacoma (SEA) 23:59 Saint Louis (STL) 1
Alaska Airlines AS 472 Non-stop Boeing 737-800 (73H) 3:54 Operates only on 2024-04-12
Thu 18:10 Seattle-Tacoma (SEA) 23:58 Saint Louis (STL) 1
Alaska Airlines AS 472 Non-stop Boeing 737 (73J) 3:48 Effective 2024-02-15 through 2024-02-29
Fri 18:10 Seattle-Tacoma (SEA) 23:58 Saint Louis (STL) 1
Alaska Airlines AS 472 Non-stop Boeing 737-900 (739) 3:48 Operates only on 2024-02-16
Mon,Fri,Sun 18:10 Seattle-Tacoma (SEA) 23:58 Saint Louis (STL) 1
Alaska Airlines AS 472 Non-stop Boeing 737 (73J) 3:48 Effective 2024-02-18 through 2024-03-08
Thu 18:10 Seattle-Tacoma (SEA) 23:58 Saint Louis (STL) 1
Alaska Airlines AS 472 Non-stop Boeing 737-900 (739) 3:48 Operates only on 2024-03-07
Mon,Sun 18:10 Seattle-Tacoma (SEA) 23:58 Saint Louis (STL) 1
Alaska Airlines AS 472 Non-stop Boeing 737 (73J) 3:48 Effective 2024-03-10 through 2024-03-11




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Alaska Airlines flights from Seattle-Tacoma (SEA) to Saint Louis (STL).
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Alaska Airlines AS388
07:21
Seattle-Tacoma (SEA)

13:08
Saint Louis (STL) 1
Effective 2024-01-08 through 2024-02-14
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:47, non-stop
Boeing 737 (73J)
Alaska Airlines AS388
07:28
Seattle-Tacoma (SEA)

13:26
Saint Louis (STL) 1
Effective 2024-03-14 through 2024-03-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:58, non-stop
Boeing 737 (73J)
Alaska Airlines AS388
07:28
Seattle-Tacoma (SEA)

13:26
Saint Louis (STL) 1
Operates only on 2024-03-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:58, non-stop
Boeing 737-900 (739)
Alaska Airlines AS388
07:28
Seattle-Tacoma (SEA)

13:26
Saint Louis (STL) 1
Effective 2024-03-31 through 2024-04-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 3:58, non-stop
Boeing 737 (73J)
Alaska Airlines AS388
07:28
Seattle-Tacoma (SEA)

13:26
Saint Louis (STL) 1
Effective 2024-04-06 through 2024-04-12
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
-
Duration: 3:58, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS388
07:28
Seattle-Tacoma (SEA)

13:26
Saint Louis (STL) 1
Effective 2024-04-13 through 2024-04-15
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:58, non-stop
Boeing 737-900 (739)
Alaska Airlines AS388
07:28
Seattle-Tacoma (SEA)

13:26
Saint Louis (STL) 1
Operates only on 2024-04-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:58, non-stop
Boeing 737 (73J)
Alaska Airlines AS388
07:30
Seattle-Tacoma (SEA)

13:24
Saint Louis (STL) 1
Valid until 2024-01-03
Mon
Tue
Wed
Thu
-
Fri
Sat
Sun
Duration: 3:54, non-stop
Boeing 737 (73J)
Alaska Airlines AS388
07:30
Seattle-Tacoma (SEA)

13:24
Saint Louis (STL) 1
Effective 2024-01-04 through 2024-01-07
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Duration: 3:54, non-stop
Boeing 737 (73J)
Alaska Airlines AS388
07:30
Seattle-Tacoma (SEA)

13:21
Saint Louis (STL) 1
Effective 2024-02-15 through 2024-03-13
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:51, non-stop
Boeing 737 (73J)
Alaska Airlines AS388
07:36
Seattle-Tacoma (SEA)

13:35
Saint Louis (STL) 1
Effective 2024-04-16 through 2024-05-15
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:59, non-stop
Boeing 737 (73J)
Alaska Airlines AS388
10:35
Seattle-Tacoma (SEA)

16:27
Saint Louis (STL) 1
Effective from 2024-05-16
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:52, non-stop
Boeing 737 (73J)
Alaska Airlines AS436
13:00
Seattle-Tacoma (SEA)

18:56
Saint Louis (STL) 1
Effective 2024-05-16 through 2024-09-30
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:56, non-stop
Boeing 737 (73J)
Alaska Airlines AS472
17:45
Seattle-Tacoma (SEA)

23:41
Saint Louis (STL) 1
Effective from 2024-05-16
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:56, non-stop
Boeing 737 (73J)
Alaska Airlines AS472
18:03
Seattle-Tacoma (SEA)

23:59
Saint Louis (STL) 1
Effective 2024-04-16 through 2024-05-15
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:56, non-stop
Boeing 737 (73J)
Alaska Airlines AS472
18:05
Seattle-Tacoma (SEA)

23:59
Saint Louis (STL) 1
Valid until 2024-01-05
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
Duration: 3:54, non-stop
Boeing 737 (73J)
Alaska Airlines AS472
18:05
Seattle-Tacoma (SEA)

23:59
Saint Louis (STL) 1
Operates only on 2024-01-02
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:54, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS472
18:05
Seattle-Tacoma (SEA)

23:59
Saint Louis (STL) 1
Operates only on 2024-01-06
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:54, non-stop
Boeing 737-900 (739)
Alaska Airlines AS472
18:05
Seattle-Tacoma (SEA)

23:59
Saint Louis (STL) 1
Effective 2024-03-14 through 2024-03-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:54, non-stop
Boeing 737 (73J)
Alaska Airlines AS472
18:05
Seattle-Tacoma (SEA)

23:59
Saint Louis (STL) 1
Operates only on 2024-03-21
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 3:54, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS472
18:05
Seattle-Tacoma (SEA)

23:59
Saint Louis (STL) 1
Effective 2024-03-22 through 2024-03-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:54, non-stop
Boeing 737 (73J)
Alaska Airlines AS472
18:05
Seattle-Tacoma (SEA)

23:59
Saint Louis (STL) 1
Effective 2024-03-30 through 2024-04-13
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:54, non-stop
Boeing 737-900 (739)
Alaska Airlines AS472
18:05
Seattle-Tacoma (SEA)

23:59
Saint Louis (STL) 1
Effective 2024-03-31 through 2024-04-15
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
Duration: 3:54, non-stop
Boeing 737 (73J)
Alaska Airlines AS472
18:05
Seattle-Tacoma (SEA)

23:59
Saint Louis (STL) 1
Operates only on 2024-04-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 3:54, non-stop
Boeing 737-900 (739)
Alaska Airlines AS472
18:05
Seattle-Tacoma (SEA)

23:59
Saint Louis (STL) 1
Operates only on 2024-04-12
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 3:54, non-stop
Boeing 737-800 (73H)
Alaska Airlines AS472
18:10
Seattle-Tacoma (SEA)

23:58
Saint Louis (STL) 1
Effective 2024-02-15 through 2024-02-29
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 3:48, non-stop
Boeing 737 (73J)
Alaska Airlines AS472
18:10
Seattle-Tacoma (SEA)

23:58
Saint Louis (STL) 1
Operates only on 2024-02-16
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 3:48, non-stop
Boeing 737-900 (739)
Alaska Airlines AS472
18:10
Seattle-Tacoma (SEA)

23:58
Saint Louis (STL) 1
Effective 2024-02-18 through 2024-03-08
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 3:48, non-stop
Boeing 737 (73J)
Alaska Airlines AS472
18:10
Seattle-Tacoma (SEA)

23:58
Saint Louis (STL) 1
Operates only on 2024-03-07
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 3:48, non-stop
Boeing 737-900 (739)
Alaska Airlines AS472
18:10
Seattle-Tacoma (SEA)

23:58
Saint Louis (STL) 1
Effective 2024-03-10 through 2024-03-11
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:48, non-stop
Boeing 737 (73J)
  • A domestic route departing from the Seattle-Tacoma airport (SEA) and arriving at Saint Louis airport (STL).
  • The flight distance is 1704 miles, or 2743 km.
  • The timezone of the departure airport is UTC-8 , and the timezone of the arrival airport is UTC-6 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
  • For direct flights, the flight time varies between 3:47 and 3:59.
All SEA-STL flights
All Alaska Airlines flights
Return (STL-SEA) flights
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