All airlines flying from Saint Louis (STL) to Denver (DEN).
| FLIGHT SCHEDULE |
|---|
| Direct Flights: |
| Sat
21:35
Saint Louis (STL) 2
23:00
Denver (DEN) Southwest Airlines WN 2423 Non-stop Boeing 737 MAX 8 (7M8) 2:25 Effective 2026-03-07 through 2026-04-04 |
| Sun
21:35
Saint Louis (STL) 2
23:00
Denver (DEN) Southwest Airlines WN 2423 Non-stop Boeing 737-800 (73H) 2:25 Effective 2026-03-08 through 2026-04-05 |
| Mon,Thu,Fri
21:55
Saint Louis (STL) 2
23:20
Denver (DEN) Southwest Airlines WN 2423 Non-stop Boeing 737 MAX 8 (7M8) 2:25 Effective 2026-03-05 through 2026-04-06 |
| Wed,Thu
13:45
Saint Louis (STL) 2
15:05
Denver (DEN) Southwest Airlines WN 2441 Non-stop Boeing 737-700 (73W) 2:20 Valid until 2026-01-01 |
| Sat
14:05
Saint Louis (STL) 2
15:30
Denver (DEN) Southwest Airlines WN 2483 Non-stop Boeing 737-800 (73H) 2:25 Effective 2026-03-07 through 2026-04-04 |
| Tue,Wed
14:15
Saint Louis (STL) 2
15:40
Denver (DEN) Southwest Airlines WN 2483 Non-stop Boeing 737 MAX 8 (7M8) 2:25 Effective 2026-03-10 through 2026-04-01 |
| Mon,Thu,Fri
14:30
Saint Louis (STL) 2
15:55
Denver (DEN) Southwest Airlines WN 2483 Non-stop Boeing 737-800 (73H) 2:25 Effective 2026-03-05 through 2026-04-06 |
| Sun
15:35
Saint Louis (STL) 2
17:00
Denver (DEN) Southwest Airlines WN 2483 Non-stop Boeing 737 MAX 8 (7M8) 2:25 Effective 2026-03-08 through 2026-04-05 |
| Mon,Thu,Fri
08:25
Saint Louis (STL) 2
09:45
Denver (DEN) Southwest Airlines WN 2623 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Effective 2026-04-09 through 2026-06-01 |
| Sun
08:30
Saint Louis (STL) 2
09:50
Denver (DEN) Southwest Airlines WN 2623 Non-stop Boeing 737-800 (73H) 2:20 Effective 2026-04-12 through 2026-05-17 |
| Sun
08:30
Saint Louis (STL) 2
09:50
Denver (DEN) Southwest Airlines WN 2623 Non-stop Boeing 737-800 (73H) 2:20 Operates only on 2026-05-31 |
| Tue,Wed
08:35
Saint Louis (STL) 2
09:55
Denver (DEN) Southwest Airlines WN 2623 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Effective 2026-04-07 through 2026-06-03 |
| Sun
09:05
Saint Louis (STL) 2
10:30
Denver (DEN) Southwest Airlines WN 2623 Non-stop Boeing 737 MAX 8 (7M8) 2:25 Operates only on 2026-05-24 |
| Fri,Sun
08:30
Saint Louis (STL) 2
09:50
Denver (DEN) Southwest Airlines WN 2647 Non-stop Boeing 737-700 (Scimitar Winglets) 2:20 Effective 2026-01-02 through 2026-01-04 |
| Daily
16:30
Saint Louis (STL) 1
17:50
Denver (DEN) United Airlines UA 2651 Non-stop Airbus A319 (319) 2:20 Effective 2026-05-21 through 2026-09-23 |
| Daily
18:00
Saint Louis (STL) 1
19:33
Denver (DEN) United Airlines UA 2651 Non-stop Boeing 737-800 (738) 2:33 Effective 2026-04-30 through 2026-05-20 |
| Mon,Thu,Fri
18:40
Saint Louis (STL) 2
19:55
Denver (DEN) Southwest Airlines WN 2704 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Effective 2026-08-06 through 2026-09-28 |
| Sat
18:30
Saint Louis (STL) 2
19:55
Denver (DEN) Southwest Airlines WN 2739 Non-stop Boeing 737-700 (Scimitar Winglets) 2:25 Effective 2026-03-07 through 2026-04-04 |
| Mon,Thu,Fri,Sun
18:40
Saint Louis (STL) 2
20:05
Denver (DEN) Southwest Airlines WN 2739 Non-stop Boeing 737 MAX 8 (7M8) 2:25 Effective 2026-03-05 through 2026-04-06 |
| Sun
13:35
Saint Louis (STL) 2
14:55
Denver (DEN) Southwest Airlines WN 2952 Non-stop Boeing 737-800 (73H) 2:20 Effective 2026-04-12 through 2026-05-17 |
| Sun
13:35
Saint Louis (STL) 2
14:55
Denver (DEN) Southwest Airlines WN 2952 Non-stop Boeing 737-800 (73H) 2:20 Operates only on 2026-05-31 |
| Mon,Thu,Fri
15:00
Saint Louis (STL) 2
16:25
Denver (DEN) Southwest Airlines WN 2952 Non-stop Boeing 737-800 (73H) 2:25 Effective 2026-04-09 through 2026-06-01 |
| Tue,Wed
15:55
Saint Louis (STL) 2
17:20
Denver (DEN) Southwest Airlines WN 2952 Non-stop Boeing 737-800 (73H) 2:25 Effective 2026-04-07 through 2026-06-03 |
| Tue,Wed,Sat,Sun
08:25
Saint Louis (STL) 2
09:50
Denver (DEN) Southwest Airlines WN 2976 Non-stop Boeing 737-800 (73H) 2:25 Effective 2026-03-07 through 2026-04-05 |
| Mon,Thu,Fri
17:20
Saint Louis (STL) 2
18:45
Denver (DEN) Southwest Airlines WN 2976 Non-stop Boeing 737 MAX 8 (7M8) 2:25 Effective 2026-03-05 through 2026-04-06 |
| Wed,Thu
16:45
Saint Louis (STL) 2
18:10
Denver (DEN) Southwest Airlines WN 2991 Non-stop Boeing 737 MAX 8 (7M8) 2:25 Valid until 2026-01-01 |
| Sun
16:40
Saint Louis (STL) 2
17:55
Denver (DEN) Southwest Airlines WN 3294 Non-stop Boeing 737-800 (73H) 2:15 Effective 2026-08-09 through 2026-09-27 |
| Sun
12:03
Saint Louis (STL) 1
13:36
Denver (DEN) Frontier Airlines F9 3301 Non-stop Airbus A320neo (32N) 2:33 Effective 2026-02-01 through 2026-02-08 |
| Mon
13:40
Saint Louis (STL) 1
15:16
Denver (DEN) Frontier Airlines F9 3301 Non-stop Airbus A320neo (32N) 2:36 Effective 2026-01-26 through 2026-02-09 |
| Mon
13:54
Saint Louis (STL) 1
15:30
Denver (DEN) Frontier Airlines F9 3301 Non-stop Airbus A320 (320) 2:36 Effective 2026-02-16 through 2026-03-02 |
| Fri
13:59
Saint Louis (STL) 1
15:35
Denver (DEN) Frontier Airlines F9 3301 Non-stop Airbus A320neo (32N) 2:36 Effective 2026-02-13 through 2026-02-27 |
| Sat
14:51
Saint Louis (STL) 1
16:18
Denver (DEN) Frontier Airlines F9 3301 Non-stop Airbus A320neo (32N) 2:27 Effective 2026-02-14 through 2026-02-28 |
| Wed
15:43
Saint Louis (STL) 1
17:20
Denver (DEN) Frontier Airlines F9 3301 Non-stop Airbus A320neo (32N) 2:37 Operates only on 2026-01-14 |
| Sat
15:43
Saint Louis (STL) 1
17:20
Denver (DEN) Frontier Airlines F9 3301 Non-stop Airbus A321neo (32Q) 2:37 Operates only on 2026-01-17 |
| Wed,Sat
15:46
Saint Louis (STL) 1
17:23
Denver (DEN) Frontier Airlines F9 3301 Non-stop Airbus A320neo (32N) 2:37 Effective 2026-01-21 through 2026-02-07 |
| Sun
11:30
Saint Louis (STL) 2
12:50
Denver (DEN) Southwest Airlines WN 3314 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Effective 2026-03-08 through 2026-04-05 |
| Mon-Fri
12:10
Saint Louis (STL) 2
13:30
Denver (DEN) Southwest Airlines WN 3314 Non-stop Boeing 737-800 (73H) 2:20 Effective 2026-03-05 through 2026-04-06 |
| Mon
15:15
Saint Louis (STL) 2
16:35
Denver (DEN) Southwest Airlines WN 3327 Non-stop Boeing 737-700 (Scimitar Winglets) 2:20 Operates only on 2026-01-05 |
| Sun
09:55
Saint Louis (STL) 2
11:15
Denver (DEN) Southwest Airlines WN 3562 Non-stop Boeing 737-800 (73H) 2:20 Effective 2026-04-12 through 2026-05-17 |
| Sun
09:55
Saint Louis (STL) 2
11:15
Denver (DEN) Southwest Airlines WN 3562 Non-stop Boeing 737-800 (73H) 2:20 Operates only on 2026-05-31 |
| Mon,Thu,Fri
11:30
Saint Louis (STL) 2
12:50
Denver (DEN) Southwest Airlines WN 3562 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Effective 2026-04-09 through 2026-06-01 |
| Sun
11:30
Saint Louis (STL) 2
12:50
Denver (DEN) Southwest Airlines WN 3562 Non-stop Boeing 737-800 (73H) 2:20 Operates only on 2026-05-24 |
| Tue,Wed
12:15
Saint Louis (STL) 2
13:35
Denver (DEN) Southwest Airlines WN 3562 Non-stop Boeing 737-700 (Scimitar Winglets) 2:20 Effective 2026-04-07 through 2026-06-03 |
| Sat
12:30
Saint Louis (STL) 2
13:50
Denver (DEN) Southwest Airlines WN 3562 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Effective 2026-04-11 through 2026-05-30 |
| Mon,Tue,Fri,Sun
11:00
Saint Louis (STL) 2
12:20
Denver (DEN) Southwest Airlines WN 3664 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Valid until 2026-01-05 |
| Thu
20:15
Saint Louis (STL) 2
21:35
Denver (DEN) Southwest Airlines WN 3664 Non-stop Boeing 737-800 (73H) 2:20 Valid until 2026-01-01 |
| Mon,Tue,Fri,Sun
13:40
Saint Louis (STL) 2
15:00
Denver (DEN) Southwest Airlines WN 3696 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Valid until 2026-01-04 |
| Sat
13:45
Saint Louis (STL) 2
15:05
Denver (DEN) Southwest Airlines WN 3696 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Valid until 2026-01-03 |
| Mon-Fri
12:25
Saint Louis (STL) 2
13:50
Denver (DEN) Southwest Airlines WN 3766 Non-stop Boeing 737-800 (73H) 2:25 Effective 2026-01-06 through 2026-01-14 |
| Tue-Fri,Sun
12:25
Saint Louis (STL) 2
13:50
Denver (DEN) Southwest Airlines WN 3766 Non-stop Boeing 737-800 (73H) 2:25 Effective 2026-01-18 through 2026-01-23 |
- A domestic route departing from the Saint Louis airport (STL) and arriving at Denver airport (DEN).
- The flight distance is 767 miles, or 1235 km.
- The timezone of the departure airport is UTC-6 , and the timezone of the arrival airport is UTC-7 . 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 2:10 and 2:40.
