Airlines with flights from Saint Louis to Denver
There are five airlines with scheduled flights between STL and DEN. Southwest, United and Frontier has non-stop flights from Saint Louis Airport to Denver International and the flight time is 2 hours and 20 minutes.
There are five airlines with scheduled flights between STL and DEN. Southwest, United and Frontier has non-stop flights from Saint Louis Airport to Denver International and the flight time is 2 hours and 20 minutes. Choose airline
Direct
Non-stop
2h 20min
Direct
Non-stop
2h 27min
Direct
Non-stop
2h 36min
Via Kansas City
3h 40min
Via Omaha
3h 45min
Via Minneapolis
4h 10min
Via Minneapolis
4h 17min
Via Dallas
4h 20min
Via Chicago
4h 25min
Via Milwaukee
4h 25min
Via Chicago
4h 33min
Via Dallas
4h 37min
Via Nashville
4h 45min
Via Chicago
4h 50min
Via Dallas
5h 33min
NEW
Via Minneapolis
7h 45min
Schedules
Non-stop with Southwest Airlines
-
Total flight time: 2 hours and 20 minutes
-
Low-cost airline
-
Denver is a Southwest Airlines focus city (Operating base).
-
49 flights per week
-
Boeing 737-800 (winglets) Passenger/BBJ2Boeing 737-700 Passenger (Scimitar Winglets)Boeing 737MAX 8 Passenger
STL
Direct
DEN
W32, Aug 03 - Aug 09
Flight
Mon
Aug 3
Tue
Aug 4
Wed
Aug 5
Thu
Aug 6
Fri
Aug 7
Sat
Aug 8
Sun
Aug 9
WN3909
05:35
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----
----
----
----
----
WN3826
----
07:00
07:00
06:25
06:25
07:00
06:45
WN3827
----
08:35
08:35
08:30
08:30
08:55
08:15
WN3910
09:25
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----
----
----
----
----
WN225
----
----
----
----
----
----
09:45
WN4312
11:30
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----
----
----
----
----
WN125
----
12:20
----
----
----
----
----
WN115
----
----
12:20
----
----
----
----
WN3829
----
----
----
14:00
14:00
----
12:40
WN3828
----
----
----
12:45
12:45
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----
WN824
13:55
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----
----
----
----
----
WN1678
----
----
----
----
----
14:15
----
WN3912
16:00
----
----
----
----
----
----
WN985
----
16:05
16:05
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----
----
----
WN3294
----
----
----
----
----
----
16:40
WN187
----
----
----
----
----
17:20
----
WN3831
----
18:30
18:30
17:30
17:30
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17:50
WN2704
----
----
----
18:05
18:05
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----
WN3913
18:40
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----
----
----
----
----
WN3832
----
20:50
20:50
20:45
20:45
----
20:45
WN3914
22:35
----
----
----
----
----
----
The timetable & schedule information was updated at 2026-04-21
Non-stop with United Airlines
-
Total flight time: 2 hours and 27 minutes
-
Denver is a United Airlines hub.
-
28 flights per week
-
Boeing 737-800 PassengerAirbus A319Airbus A320
-
Business and first class available
STL
Direct
DEN
W32, Aug 03 - Aug 09
Flight
Mon
Aug 3
Tue
Aug 4
Wed
Aug 5
Thu
Aug 6
Fri
Aug 7
Sat
Aug 8
Sun
Aug 9
UA362
05:10
05:10
05:10
05:10
05:10
05:10
05:10
UA2459
09:06
09:06
09:06
09:06
09:06
09:06
09:06
UA1380
13:38
13:38
13:38
13:38
13:38
13:38
13:38
UA1483
16:48
16:48
16:48
16:48
16:48
16:45
16:48
The timetable & schedule information was updated at 2026-04-21
Non-stop with Frontier Airlines
-
Total flight time: 2 hours and 36 minutes
-
Low-cost airline
-
Denver is a Frontier Airlines focus city (Operating base).
-
7 flights per week
-
Airbus A320neo
STL
Direct
DEN
W32, Aug 03 - Aug 09
Flight
Mon
Aug 3
Tue
Aug 4
Wed
Aug 5
Thu
Aug 6
Fri
Aug 7
Sat
Aug 8
Sun
Aug 9
F94567
20:08
20:08
20:08
20:08
20:08
20:08
20:08
The timetable & schedule information was updated at 2026-04-21
Via Kansas City with Southwest Airlines
-
Total flight time: 3h 40m - 6h 05m.
-
Low-cost airline
-
Denver is a Southwest Airlines focus city (Operating base).
-
77 flights per week
-
Boeing 737-800 (winglets) Passenger/BBJ2Boeing 737-700 Passenger (Scimitar Winglets)Boeing 737MAX 8 Passenger
STL
Via MCI
DEN
W32, Aug 03 - Aug 09
Flight
Mon
Aug 3
Tue
Aug 4
Wed
Aug 5
Thu
Aug 6
Fri
Aug 7
Sat
Aug 8
Sun
Aug 9
WN3943
WN2548
WN2548
08:10
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----
----
----
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WN3261
WN849
WN849
----
08:25
08:25
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----
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08:25
WN3261
WN2494
WN2494
----
----
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08:30
08:30
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----
WN3261
WN975
WN975
----
----
----
----
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10:10
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WN3855
WN2500
WN2500
----
----
----
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14:15
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WN2530
WN2501
WN2501
----
----
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14:20
14:20
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WN4268
WN2501
WN2501
----
----
----
----
----
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14:40
WN3944
WN3570
WN3570
16:45
----
----
----
----
----
----
The timetable & schedule information was updated at 2026-04-21
Via Omaha with Southwest Airlines
-
Total flight time: 3h 45m - 5h 55m.
-
Low-cost airline
-
Denver is a Southwest Airlines focus city (Operating base).
-
28 flights per week
-
Boeing 737-800 (winglets) Passenger/BBJ2Boeing 737-700 Passenger (Scimitar Winglets)Boeing 737MAX 8 Passenger
STL
Via OMA
DEN
W32, Aug 03 - Aug 09
Flight
Mon
Aug 3
Tue
Aug 4
Wed
Aug 5
Thu
Aug 6
Fri
Aug 7
Sat
Aug 8
Sun
Aug 9
WN4318
WN2060
WN2060
08:10
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----
----
----
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----
WN4187
WN3613
WN3613
----
----
----
----
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14:25
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The timetable & schedule information was updated at 2026-04-21
Via Minneapolis with Southwest Airlines
-
Total flight time: 4h 10m - 7h 45m.
-
Low-cost airline
-
Denver is a Southwest Airlines focus city (Operating base).
-
33 flights per week
-
Boeing 737-800 (winglets) Passenger/BBJ2Boeing 737-700 Passenger (Scimitar Winglets)Boeing 737MAX 8 Passenger
STL
Via MSP
DEN
W32, Aug 03 - Aug 09
Flight
Mon
Aug 3
Tue
Aug 4
Wed
Aug 5
Thu
Aug 6
Fri
Aug 7
Sat
Aug 8
Sun
Aug 9
WN3961
WN4346
WN4346
08:15
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----
----
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WN4522
WN239
WN239
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08:25
08:25
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----
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WN4522
WN2900
WN2900
----
----
----
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08:30
WN4522
WN2899
WN2899
----
----
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08:35
08:35
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WN4522
WN2955
WN2955
----
----
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10:20
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WN3167
WN2902
WN2902
----
----
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14:40
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The timetable & schedule information was updated at 2026-04-21
Via Minneapolis with Delta Air Lines
-
Total flight time: 4h 17m - 6h 45m.
-
Sky Team Alliance
-
122 flights per week
STL
Via MSP
DEN
W32, Aug 03 - Aug 09
Flight
Mon
Aug 3
Tue
Aug 4
Wed
Aug 5
Thu
Aug 6
Fri
Aug 7
Sat
Aug 8
Sun
Aug 9
DL1597
DL2849
DL2849
06:21
06:21
06:21
06:21
06:21
06:21
06:21
DL5325
DL2927
DL2927
08:48
08:48
08:48
08:48
08:48
----
08:48
DL3188
DL1025
DL1025
11:18
11:18
11:18
11:18
11:18
11:18
11:18
DL4167
DL2931
DL2931
15:57
15:57
15:57
15:57
15:57
15:57
15:57
DL3185
DL1705
DL1705
17:42
17:42
17:42
17:42
17:42
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17:42
The timetable & schedule information was updated at 2026-04-21
Via Chicago with American Airlines