Southwest Airlines
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United States
Seattle–Tacoma International Airport
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United States
Lambert-Saint Louis International Airport
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Scan through all non-stop flights from Seattle / Tacoma to St. Louis. The full flight schedule below gives an overview of all non-stop flights from SEA to STL, which includes the daily timetable of every operating airline for the upcoming 12 months.
Note: for airline-specific flight schedules, please scroll further down.
In total there are 2 airlines operating nonstop flights from Seattle / Tacoma SEA to St. Louis STL. This section gives an overview of the flight schedules and timetables of every airline with direct flights for this route.
Click an airline below to view their SEA STL flight schedule.
Flights from SEA to STL are operated 19 times a week, with an average of 3 flights per day. Departure times vary between 08:00 - 23:05. The earliest flight departs at 08:00, the last flight departs at 23:05. However, this depends on the date you are flying so please check with the full flight schedule above to see which departure times are available on your preferred date(s) of travel.
You can fly in Economy and Business Class. Premium Economy and First Class are not available on this route (at least not as a non-stop flight).
The fastest direct flight from Seattle / Tacoma to St. Louis takes 3 hours and 49 minutes. The flight distance between Seattle / Tacoma and St. Louis is 1,704 miles (or 2,742 km).
There is 1 airport in St. Louis: Lambert-Saint Louis International Airport (STL).
There are 19 flights per week flying from Seattle / Tacoma to St. Louis (as of June 2023).
3 hours and 49 minutes is the average flight time from Seattle / Tacoma to St. Louis.
The distance from Seattle / Tacoma to St. Louis is 1,704 miles (2,742 kilometers).
Alaska and Southwest Airlines are flying nonstop from Seattle / Tacoma to St. Louis.
OneWorld is currently the only alliance flying nonstop from Seattle / Tacoma to St. Louis.
You can fly non-stop in Economy and Business Class.
Aircraft types that fly from Seattle / Tacoma to St. Louis:
The earliest flight departs at 08:00 from Seattle / Tacoma and arrives at 13:49 at St. Louis.
The latest flight departs at 23:05 from Seattle / Tacoma and arrives at 05:00 at St. Louis.
1,704 miles (2,742 km) · 3h 49m
08:05
13:55
Southwest Airlines
WN 2893
Southwest Airlines
Boeing 737-800
Y
W
J
F
08:20
14:15
Alaska
OneWorld
AS 388
Alaska
Boeing 737-900 (winglets)
Y
W
J
F
09:00
14:55
Alaska
OneWorld
AS 388
Alaska
Boeing 737-900
Y
W
J
F
09:00
14:55
Alaska
OneWorld
AS 388
Alaska
Boeing 737-800 (winglets)
Y
W
J
F
09:00
14:55
Alaska
OneWorld
AS 388
Alaska
Boeing 737-900 (winglets)
Y
W
J
F
09:00
14:55
Alaska
OneWorld
AS 388
Alaska
Boeing 737 MAX 9
Y
W
J
F
09:00
14:55
Alaska
OneWorld
AS 388
Alaska
Boeing 737-900
Y
W
J
F
09:00
14:55
Alaska
OneWorld
AS 388
Alaska
Boeing 737-900 (winglets)
Y
W
J
F
09:00
14:55
Alaska
OneWorld
AS 388
Alaska
Boeing 737 MAX 9
Y
W
J
F
11:00
16:57
Alaska
OneWorld
AS 388
Alaska
Boeing 737-900
Y
W
J
F
11:00
16:57
Alaska
OneWorld
AS 388
Alaska
Boeing 737-900 (winglets)
Y
W
J
F
11:00
16:57
Alaska
OneWorld
AS 388
Alaska
Boeing 737 MAX 9
Y
W
J
F
11:00
16:57
Alaska
OneWorld
AS 388
Alaska
Boeing 737-900 (winglets)
Y
W
J
F
11:00
16:57
Alaska
OneWorld
AS 388
Alaska
Boeing 737-900 (winglets)
Y
W
J
F
13:00
18:50
Alaska
OneWorld
AS 544
Alaska
Boeing 737-900 (winglets)
Y
W
J
F
13:00
18:50
Alaska
OneWorld
AS 548
Alaska
Boeing 737-900 (winglets)
Y
W
J
F
13:00
18:50
Alaska
OneWorld
AS 548
Alaska
Boeing 737-900 (winglets)
Y
W
J
F
13:00
18:50
Alaska
OneWorld
AS 548
Alaska
Boeing 737-900 (winglets)
Y
W
J
F
13:00
18:50
Alaska
OneWorld
AS 548
Alaska
Boeing 737 MAX 9
Y
W
J
F
13:00
18:50
Alaska
OneWorld
AS 548
Alaska
Boeing 737 MAX 9
Y
W
J
F
13:00
18:50
Alaska
OneWorld
AS 548
Alaska
Boeing 737-900 (winglets)
Y
W
J
F
13:00
18:50
Alaska
OneWorld
AS 548
Alaska
Boeing 737-900 (winglets)
Y
W
J
F
18:05
23:59
Alaska
OneWorld
AS 472
Alaska
Boeing 737-900
Y
W
J
F
18:05
23:59
Alaska
OneWorld
AS 472
Alaska
Boeing 737-800 (winglets)
Y
W
J
F
18:05
23:59
Alaska
OneWorld
AS 472
Alaska
Boeing 737-900 (winglets)
Y
W
J
F
18:05
23:59
Alaska
OneWorld
AS 472
Alaska
Boeing 737 MAX 9
Y
W
J
F
18:10
23:59
Alaska
OneWorld
AS 472
Alaska
Boeing 737-900
Y
W
J
F
18:10
23:59
Alaska
OneWorld
AS 472
Alaska
Boeing 737-800 (winglets)
Y
W
J
F
18:10
23:59
Alaska
OneWorld
AS 472
Alaska
Boeing 737-900 (winglets)
Y
W
J
F
18:10
23:59
Alaska
OneWorld
AS 472
Alaska
Boeing 737-900 (winglets)
Y
W
J
F
18:10
23:59
Alaska
OneWorld
AS 472
Alaska
Boeing 737-800 (winglets)
Y
W
J
F
18:10
23:59
Alaska
OneWorld
AS 472
Alaska
Boeing 737-900 (winglets)
Y
W
J
F
18:10
23:59
Alaska
OneWorld
AS 472
Alaska
Boeing 737-900
Y
W
J
F
23:05
05:00
Alaska
OneWorld
AS 548
Alaska
Boeing 737-900 (winglets)
Y
W
J
F
23:05
05:00
Alaska
OneWorld
AS 548
Alaska
Boeing 737-900 (winglets)
Y
W
J
F
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