Southwest Airlines
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United States
Denver International Airport
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United States
Lambert-Saint Louis International Airport
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Scan through all non-stop flights from Denver to St. Louis. The full flight schedule below gives an overview of all non-stop flights from DEN 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.
St. Louis is a humid subtropical or warm-temperate destination, featuring hot, humid summers with temperatures typically around 30°C (86°F) and mild to cool winters. The region is known for consistent rainfall throughout the year, peaking in summer. The area is known for its vibrant urban energy, diverse landscapes, and numerous outdoor activities.
You can visit St. Louis any time of the year, but the best months to explore are from to and from to .

In total there are 3 airlines operating nonstop flights from Denver DEN 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 DEN STL flight schedule.
Flights from DEN to STL are operated 66 times a week, with an average of 9 flights per day. Departure times vary between 05:20 - 21:55. The earliest flight departs at 05:20, the last flight departs at 21:55. 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 Denver to St. Louis takes 2 hours and 14 minutes. The flight distance between Denver and St. Louis is 767 miles (or 1,234 km).
There is 1 airport in St. Louis: Lambert-Saint Louis International Airport (STL).
There are 66 flights per week flying from Denver to St. Louis (as of April 2026).
2 hours and 14 minutes is the average flight time from Denver to St. Louis.
The distance from Denver to St. Louis is 767 miles (1,234 kilometers).
Frontier Airlines, Southwest Airlines and United Airlines are flying nonstop from Denver to St. Louis.
Star Alliance is currently the only alliance flying nonstop from Denver to St. Louis.
You can fly non-stop in Economy and Business Class.
Aircraft types that fly from Denver to St. Louis:
The earliest flight departs at 05:20 from Denver and arrives at 08:20 at St. Louis.
The latest flight departs at 21:55 from Denver and arrives at 01:00 at St. Louis.
767 miles (1,234 km) · 2h 14m
05:55
09:00
Southwest Airlines
WN 2096
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
06:05
09:15
Southwest Airlines
WN 1965
Southwest Airlines
Boeing 737-800 (winglets)
Y
W
J
F
06:20
09:25
Southwest Airlines
WN 2096
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
06:20
09:25
Southwest Airlines
WN 2096
Southwest Airlines
Boeing 737-800 (winglets)
Y
W
J
F
06:25
09:35
Southwest Airlines
WN 1965
Southwest Airlines
Boeing 757
Y
W
J
F
06:40
09:48
Frontier Airlines
F9 3302
Frontier Airlines
Airbus A321neo
Y
W
J
F
07:35
10:40
Southwest Airlines
WN 2098
Southwest Airlines
Boeing 757
Y
W
J
F
07:40
10:45
Southwest Airlines
WN 2378
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
07:45
10:50
Southwest Airlines
WN 2378
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
07:45
10:50
Southwest Airlines
WN 4474
Southwest Airlines
Boeing 737-800 (winglets)
Y
W
J
F
08:20
11:25
Southwest Airlines
WN 990
Southwest Airlines
Boeing 737-800 (winglets)
Y
W
J
F
10:00
13:08
United Airlines
Star Alliance
UA 652
United Airlines
Airbus A319
Y
W
J
F
10:05
13:20
Southwest Airlines
WN 2490
Southwest Airlines
Boeing 757
Y
W
J
F
10:05
13:13
United Airlines
Star Alliance
UA 1084
United Airlines
Boeing 737 MAX 8
Y
W
J
F
10:25
13:35
Southwest Airlines
WN 3159
Southwest Airlines
Boeing 737-800 (winglets)
Y
W
J
F
10:30
13:35
Southwest Airlines
WN 3159
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
10:30
13:35
Southwest Airlines
WN 3159
Southwest Airlines
Boeing 737-800 (winglets)
Y
W
J
F
10:30
13:35
Southwest Airlines
WN 2490
Southwest Airlines
Boeing 737-800 (winglets)
Y
W
J
F
10:35
13:40
Southwest Airlines
WN 2490
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
10:50
13:50
Southwest Airlines
WN 2490
Southwest Airlines
Boeing 737-800 (winglets)
Y
W
J
F
12:20
15:20
Southwest Airlines
WN 424
Southwest Airlines
Boeing 737-800 (winglets)
Y
W
J
F
12:50
15:50
Southwest Airlines
WN 320
Southwest Airlines
Boeing 737-800 (winglets)
Y
W
J
F
13:05
16:05
Southwest Airlines
WN 424
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
13:25
16:30
Southwest Airlines
WN 320
Southwest Airlines
Boeing 737-800 (winglets)
Y
W
J
F
13:48
16:56
United Airlines
Star Alliance
UA 1315
United Airlines
Airbus A319
Y
W
J
F
13:49
16:57
United Airlines
Star Alliance
UA 1315
United Airlines
Boeing 737-800
Y
W
J
F
15:00
18:05
Southwest Airlines
WN 1329
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
15:10
18:15
Southwest Airlines
WN 1329
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
15:20
18:20
Southwest Airlines
WN 1329
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
15:50
18:50
Southwest Airlines
WN 2813
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
15:55
18:55
Southwest Airlines
WN 2813
Southwest Airlines
Boeing 737-800 (winglets)
Y
W
J
F
16:09
19:21
Frontier Airlines
F9 3302
Frontier Airlines
Airbus A320neo
Y
W
J
F
16:09
19:21
Frontier Airlines
F9 3302
Frontier Airlines
Airbus A320-100/200
Y
W
J
F
16:20
19:20
Southwest Airlines
WN 2813
Southwest Airlines
Boeing 757
Y
W
J
F
16:20
19:32
Frontier Airlines
F9 3302
Frontier Airlines
Airbus A320neo
Y
W
J
F
16:55
20:00
Southwest Airlines
WN 140
Southwest Airlines
Boeing 757
Y
W
J
F
17:34
20:43
United Airlines
Star Alliance
UA 1293
United Airlines
Boeing 737-800
Y
W
J
F
17:45
20:54
United Airlines
Star Alliance
UA 1422
United Airlines
Boeing 737-800
Y
W
J
F
17:45
20:54
United Airlines
Star Alliance
UA 1422
United Airlines
Airbus A319
Y
W
J
F
17:55
21:15
Southwest Airlines
WN 2102
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
18:00
21:25
Southwest Airlines
WN 2866
Southwest Airlines
Boeing 737-800 (winglets)
Y
W
J
F
18:25
21:45
Southwest Airlines
WN 2102
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
19:00
22:00
Southwest Airlines
WN 670
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
19:00
22:05
Southwest Airlines
WN 2102
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
19:15
22:15
Southwest Airlines
WN 670
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
19:15
22:20
Southwest Airlines
WN 4355
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
19:20
22:20
Southwest Airlines
WN 670
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
20:05
23:10
Southwest Airlines
WN 2103
Southwest Airlines
Boeing 757
Y
W
J
F
20:35
23:35
Southwest Airlines
WN 2816
Southwest Airlines
Boeing 737-800 (winglets)
Y
W
J
F
20:35
23:45
Southwest Airlines
WN 2102
Southwest Airlines
Boeing 757
Y
W
J
F
20:40
23:50
Southwest Airlines
WN 2103
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
20:45
23:45
Southwest Airlines
WN 2816
Southwest Airlines
Boeing 737-800 (winglets)
Y
W
J
F
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