All airlines flying from Saint Louis (STL) to Denver (DEN).
| FLIGHT SCHEDULE |
|---|
| Direct Flights: |
| Thu,Fri,Sun
18:35
Saint Louis (STL) 2
20:00
Denver (DEN) Southwest Airlines WN 4838 Non-stop Boeing 737-800 (73H) 2:25 Effective 2026-02-01 through 2026-02-06 |
| Mon,Sat,Sun
18:35
Saint Louis (STL) 2
20:00
Denver (DEN) Southwest Airlines WN 4838 Non-stop Boeing 737-800 (73H) 2:25 Effective 2026-02-09 through 2026-02-15 |
| Mon,Tue,Thu,Sat
18:35
Saint Louis (STL) 2
20:00
Denver (DEN) Southwest Airlines WN 4838 Non-stop Boeing 737-800 (73H) 2:25 Effective 2026-02-17 through 2026-02-23 |
| Mon,Sat
18:35
Saint Louis (STL) 2
20:00
Denver (DEN) Southwest Airlines WN 4838 Non-stop Boeing 737-800 (73H) 2:25 Effective 2026-02-28 through 2026-03-02 |
| Mon,Thu,Fri
18:50
Saint Louis (STL) 2
20:15
Denver (DEN) Southwest Airlines WN 4838 Non-stop Boeing 737 MAX 8 (7M8) 2:25 Effective 2026-02-12 through 2026-02-16 |
| Thu,Fri,Sun
18:50
Saint Louis (STL) 2
20:15
Denver (DEN) Southwest Airlines WN 4838 Non-stop Boeing 737 MAX 8 (7M8) 2:25 Effective 2026-02-20 through 2026-03-01 |
| Daily
05:30
Saint Louis (STL) 1
07:10
Denver (DEN) United Airlines UA 5620 Non-stop Embraer EMB 175 (E7W) 2:40 Effective 2026-03-05 through 2026-03-28 |
| Non-Direct Flights: |
| Sun
15:45
Saint Louis (STL) 2
19:15
Denver (DEN) Southwest Airlines WN 101 1-stop Boeing 737-700 (Scimitar Winglets) 4:30 Operates only on 2026-01-04 |
| Sun
06:00
Saint Louis (STL) 2
09:20
Denver (DEN) Southwest Airlines WN 239 1-stop Boeing 737 MAX 8 (7M8) 4:20 Effective 2026-06-07 through 2026-08-02 |
| Sun
16:25
Saint Louis (STL) 2
19:05
Denver (DEN) Southwest Airlines WN 294 1-stop Boeing 737-700 (Scimitar Winglets) 3:40 Effective 2026-04-12 through 2026-05-17 |
| Sun
16:25
Saint Louis (STL) 2
19:05
Denver (DEN) Southwest Airlines WN 294 1-stop Boeing 737-700 (Scimitar Winglets) 3:40 Operates only on 2026-05-31 |
| Sun
12:55
Saint Louis (STL) 2
16:30
Denver (DEN) Southwest Airlines WN 339 1-stop Boeing 737-700 (Scimitar Winglets) 4:35 Effective 2026-06-07 through 2026-08-02 |
| Sun
08:25
Saint Louis (STL) 2
11:40
Denver (DEN) Southwest Airlines WN 1300 1-stop Boeing 737-700 (Scimitar Winglets) 4:15 Effective 2026-06-07 through 2026-08-02 |
| Thu,Fri,Sun
09:40
Saint Louis (STL) 2
12:35
Denver (DEN) Southwest Airlines WN 1335 1-stop Boeing 737-800 (73H) 3:55 Effective 2026-01-11 through 2026-01-16 |
| Mon,Sun
09:40
Saint Louis (STL) 2
12:35
Denver (DEN) Southwest Airlines WN 1335 1-stop Boeing 737-800 (73H) 3:55 Effective 2026-01-19 through 2026-01-25 |
| Thu,Fri,Sun
09:40
Saint Louis (STL) 2
12:35
Denver (DEN) Southwest Airlines WN 1335 1-stop Boeing 737-800 (73H) 3:55 Effective 2026-02-01 through 2026-02-06 |
| Mon,Sun
09:40
Saint Louis (STL) 2
12:35
Denver (DEN) Southwest Airlines WN 1335 1-stop Boeing 737-800 (73H) 3:55 Effective 2026-02-09 through 2026-02-15 |
| Mon,Tue,Thu
09:40
Saint Louis (STL) 2
12:35
Denver (DEN) Southwest Airlines WN 1335 1-stop Boeing 737-800 (73H) 3:55 Effective 2026-02-17 through 2026-02-23 |
| Mon
09:40
Saint Louis (STL) 2
12:35
Denver (DEN) Southwest Airlines WN 1335 1-stop Boeing 737-800 (73H) 3:55 Operates only on 2026-03-02 |
| Sat
13:50
Saint Louis (STL) 2
16:50
Denver (DEN) Southwest Airlines WN 1335 1-stop Boeing 737 MAX 8 (7M8) 4:00 Effective 2026-01-10 through 2026-02-07 |
| Sat
06:10
Saint Louis (STL) 2
09:45
Denver (DEN) Southwest Airlines WN 1473 1-stop Boeing 737-800 (73H) 4:35 Effective 2026-04-11 through 2026-05-30 |
| Mon,Thu,Fri
16:10
Saint Louis (STL) 2
20:15
Denver (DEN) Southwest Airlines WN 1473 1-stop Boeing 737-800 (73H) 5:05 Effective 2026-04-09 through 2026-06-01 |
| Sun
08:30
Saint Louis (STL) 2
10:55
Denver (DEN) Southwest Airlines WN 1476 1-stop Boeing 737-700 (Scimitar Winglets) 3:25 Effective 2026-06-07 through 2026-08-02 |
| Sun
16:05
Saint Louis (STL) 2
18:40
Denver (DEN) Southwest Airlines WN 1574 1-stop Boeing 737-700 (Scimitar Winglets) 3:35 Effective 2026-06-07 through 2026-08-02 |
| Sat
09:45
Saint Louis (STL) 2
12:15
Denver (DEN) Southwest Airlines WN 1929 1-stop Boeing 737-700 (Scimitar Winglets) 3:30 Operates only on 2026-01-03 |
| Tue,Wed
06:10
Saint Louis (STL) 2
09:45
Denver (DEN) Southwest Airlines WN 2345 1-stop Boeing 737 MAX 8 (7M8) 4:35 Effective 2026-03-10 through 2026-04-01 |
| Fri,Sun
09:50
Saint Louis (STL) 2
12:25
Denver (DEN) Southwest Airlines WN 2426 1-stop Boeing 737-700 (Scimitar Winglets) 3:35 Effective 2026-01-02 through 2026-01-04 |
| Mon,Thu,Fri
10:35
Saint Louis (STL) 2
14:20
Denver (DEN) Southwest Airlines WN 4199 1-stop Boeing 737-800 (73H) 4:45 Effective 2026-02-12 through 2026-02-16 |
| Thu,Fri,Sun
10:35
Saint Louis (STL) 2
14:20
Denver (DEN) Southwest Airlines WN 4199 1-stop Boeing 737-800 (73H) 4:45 Effective 2026-02-20 through 2026-03-01 |
| Sat
08:25
Saint Louis (STL) 2
11:00
Denver (DEN) Southwest Airlines WN 4313 1-stop Boeing 737-700 (Scimitar Winglets) 3:35 Effective 2026-03-07 through 2026-04-04 |
| Thu,Fri,Sun
09:40
Saint Louis (STL) 2
17:40
Denver (DEN) Southwest Airlines WN 1316 3-stop Boeing 737-700 (Scimitar Winglets) 9:00 Effective 2026-01-11 through 2026-01-16 |
| Mon
09:40
Saint Louis (STL) 2
17:40
Denver (DEN) Southwest Airlines WN 1316 3-stop Boeing 737-700 (Scimitar Winglets) 9:00 Operates only on 2026-01-19 |
| Sun
09:40
Saint Louis (STL) 2
17:40
Denver (DEN) Southwest Airlines WN 1316 3-stop Boeing 737-700 (Scimitar Winglets) 9:00 Effective 2026-01-25 through 2026-02-01 |
| Mon,Thu,Fri
09:40
Saint Louis (STL) 2
17:40
Denver (DEN) Southwest Airlines WN 1316 3-stop Boeing 737-700 (Scimitar Winglets) 9:00 Effective 2026-02-05 through 2026-02-09 |
| Tue,Thu,Sun
09:40
Saint Louis (STL) 2
17:40
Denver (DEN) Southwest Airlines WN 1316 3-stop Boeing 737-700 (Scimitar Winglets) 9:00 Effective 2026-02-15 through 2026-02-19 |
| Mon
09:40
Saint Louis (STL) 2
17:40
Denver (DEN) Southwest Airlines WN 1316 3-stop Boeing 737-700 (Scimitar Winglets) 9:00 Effective 2026-02-23 through 2026-03-02 |
| Direct Codeshare Flights: |
| Daily
05:20
Saint Louis (STL) 1
06:40
Denver (DEN) Air Canada AC 4569 Non-stop Airbus A319 (319) 2:20 Effective 2026-05-21 through 2026-10-24 Codeshare flight, operated by United Airlines.(UA 362) |
| Daily
05:30
Saint Louis (STL) 1
07:10
Denver (DEN) Air Canada AC 4569 Non-stop Embraer EMB 175 (E7W) 2:40 Effective 2026-03-05 through 2026-03-28 Codeshare flight, operated by United Airlines.(UA 5620) |
| Daily
13:30
Saint Louis (STL) 1
15:00
Denver (DEN) Air Canada AC 4886 Non-stop Airbus A320 (320) 2:30 Effective from 2026-05-21 Codeshare flight, operated by United Airlines.(UA 1380) |
| Daily
14:33
Saint Louis (STL) 1
16:06
Denver (DEN) Air Canada AC 4886 Non-stop Boeing 737 MAX 8 (7M8) 2:33 Effective 2026-04-30 through 2026-05-20 Codeshare flight, operated by United Airlines.(UA 1380) |
| Daily
14:45
Saint Louis (STL) 1
16:21
Denver (DEN) Air Canada AC 4886 Non-stop Boeing 737-800 (738) 2:36 Valid until 2026-01-05 Codeshare flight, operated by United Airlines.(UA 1380) |
| Wed-Fri,Sun
14:45
Saint Louis (STL) 1
16:24
Denver (DEN) Air Canada AC 4886 Non-stop Airbus A319 (319) 2:39 Effective 2026-01-07 through 2026-01-18 Codeshare flight, operated by United Airlines.(UA 1229) |
| Mon,Wed-Fri,Sun
14:45
Saint Louis (STL) 1
16:24
Denver (DEN) Air Canada AC 4886 Non-stop Airbus A319 (319) 2:39 Effective 2026-01-19 through 2026-01-25 Codeshare flight, operated by United Airlines.(UA 1229) |
| Wed-Fri,Sun
14:45
Saint Louis (STL) 1
16:24
Denver (DEN) Air Canada AC 4886 Non-stop Airbus A319 (319) 2:39 Effective 2026-01-28 through 2026-02-11 Codeshare flight, operated by United Airlines.(UA 1229) |
| Mon,Wed-Fri,Sun
14:45
Saint Louis (STL) 1
16:21
Denver (DEN) Air Canada AC 4886 Non-stop Airbus A319 (319) 2:36 Effective 2026-02-12 through 2026-02-22 Codeshare flight, operated by United Airlines.(UA 1380) |
| Wed-Fri,Sun
14:45
Saint Louis (STL) 1
16:21
Denver (DEN) Air Canada AC 4886 Non-stop Airbus A319 (319) 2:36 Effective 2026-02-25 through 2026-03-04 Codeshare flight, operated by United Airlines.(UA 1380) |
| Mon,Wed-Sun
14:50
Saint Louis (STL) 1
16:26
Denver (DEN) Air Canada AC 4886 Non-stop Airbus A319 (319) 2:36 Effective 2026-03-05 through 2026-03-28 Codeshare flight, operated by United Airlines.(UA 333) |
| Daily
14:50
Saint Louis (STL) 1
16:24
Denver (DEN) Air Canada AC 4886 Non-stop Airbus A319 (319) 2:34 Effective 2026-03-29 through 2026-04-29 Codeshare flight, operated by United Airlines.(UA 1380) |
| Mon,Tue,Sat
16:15
Saint Louis (STL) 1
17:53
Denver (DEN) Air Canada AC 4897 Non-stop Boeing 737-800 (738) 2:38 Effective 2026-01-06 through 2026-01-17 Codeshare flight, operated by United Airlines.(UA 1229) |
| Mon,Tue,Sat
16:15
Saint Louis (STL) 1
17:53
Denver (DEN) Air Canada AC 4897 Non-stop Boeing 737-800 (738) 2:38 Effective 2026-01-20 through 2026-02-10 Codeshare flight, operated by United Airlines.(UA 1229) |
- 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.
