Airlines with flights from Denver to Saint Louis

There are five airlines with scheduled flights between DEN and STL. Southwest, United and Frontier has non-stop flights from Denver International to Saint Louis Airport and the flight time is 2 hours.

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Schedules

Southwest Airlines

Non-stop with Southwest Airlines

  • Total flight time: 2 hours
  • Low-cost airline
  • Denver is a Southwest Airlines focus city (Operating base).
  • 60 flights per week
  • Boeing 737MAX 8 Passenger
    Boeing 737-800 (winglets) Passenger/BBJ2
    Boeing 737-700 Passenger (Scimitar Winglets)
DEN
Direct
STL
 
Flight
Mon
Jun 15
Tue
Jun 16
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Jun 17
Thu
Jun 18
Fri
Jun 19
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Jun 20
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Jun 21
WN1751
05:05
06:15
06:15
05:05
05:05
05:20
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WN3780
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06:00
WN1634
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06:40
WN1373
07:20
07:40
07:40
07:20
07:20
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WN1753
10:05
10:20
10:20
10:05
10:05
10:00
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WN1716
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10:00
WN5066
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11:15
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WN3685
11:25
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11:25
11:25
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WN3152
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13:00
13:00
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12:55
11:55
WN556
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13:00
WN3130
15:40
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15:40
15:40
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WN4213
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15:55
15:55
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WN1718
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17:50
WN1756
19:30
19:00
19:00
19:30
19:30
18:10
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WN1758
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19:00
WN1133
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20:35
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WN1324
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20:45
20:45
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WN3317
20:45
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20:45
20:45
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20:45
SHOW RETURN SCHEDULE
CHECK PRICES FOR DEN - STL

The timetable & schedule information was updated at 2026-04-21

United Airlines

Non-stop with United Airlines

  • Total flight time: 2 hours and 7 minutes
  • Denver is a United Airlines hub.
  • 28 flights per week
  • Airbus A319
    Boeing 737MAX 9 Passenger
    Boeing 737-800 Passenger
    Boeing 737MAX 8 Passenger
  • Business and first class available
DEN
Direct
STL
 
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
UA652
09:35
09:35
09:35
09:35
09:35
09:35
09:35
UA1639
13:25
13:25
13:25
13:25
13:25
13:25
13:25
UA1422
17:58
17:58
17:58
17:58
17:58
17:45
17:58
UA214
20:45
20:45
20:45
20:45
20:45
20:45
20:45
SHOW RETURN SCHEDULE
CHECK PRICES FOR DEN - STL

The timetable & schedule information was updated at 2026-04-21

Frontier Airlines

Non-stop with Frontier Airlines

  • Total flight time: 2 hours and 8 minutes
  • Low-cost airline
  • Denver is a Frontier Airlines focus city (Operating base).
  • 9 flights per week
  • Airbus A320neo
DEN
Direct
STL
 
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
F93302
15:41
16:12
16:12
15:41
15:41
15:41
15:41
SHOW RETURN SCHEDULE
CHECK PRICES FOR DEN - STL

The timetable & schedule information was updated at 2026-04-21

Southwest Airlines

Via Kansas City with Southwest Airlines

  • Total flight time: 3h 10m - 5h 40m.
  • Low-cost airline
  • Denver is a Southwest Airlines focus city (Operating base).
  • 66 flights per week
  • Boeing 737MAX 8 Passenger
    Boeing 737-800 (winglets) Passenger/BBJ2
    Boeing 737-700 Passenger (Scimitar Winglets)
DEN
 
Via MCI
 
STL
 
Flight
Mon
Jun 15
Tue
Jun 16
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Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
WN3114
WN286
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08:05
08:05
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WN1584
WN2083
08:40
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08:40
08:40
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WN3114
WN2083
10:00
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10:00
10:00
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WN2572
WN2083
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10:00
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WN1586
WN2083
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10:05
WN351
WN1031
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12:05
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WN351
WN4341
12:30
12:05
12:05
12:30
12:30
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WN1587
WN3009
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14:05
SHOW RETURN SCHEDULE
CHECK PRICES FOR DEN - STL

The timetable & schedule information was updated at 2026-04-21

Southwest Airlines

Via Omaha with Southwest Airlines

  • Total flight time: 3h 30m - 5h 40m.
  • Low-cost airline
  • Denver is a Southwest Airlines focus city (Operating base).
  • 32 flights per week
  • Boeing 737MAX 8 Passenger
    Boeing 737-800 (winglets) Passenger/BBJ2
    Boeing 737-700 Passenger (Scimitar Winglets)
DEN
 
Via OMA
 
STL
 
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
WN1705
WN3365
12:35
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12:35
12:35
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WN1705
WN298
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12:35
WN1313
WN426
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13:05
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SHOW RETURN SCHEDULE
CHECK PRICES FOR DEN - STL

The timetable & schedule information was updated at 2026-04-21

Southwest Airlines

Via Minneapolis with Southwest Airlines

  • Total flight time: 4h 00m - 6h 25m.
  • Low-cost airline
  • Denver is a Southwest Airlines focus city (Operating base).
  • 19 flights per week
  • Boeing 737MAX 8 Passenger
    Boeing 737-800 (winglets) Passenger/BBJ2
    Boeing 737-700 Passenger (Scimitar Winglets)
DEN
 
Via MSP
 
STL
 
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
WN1638
WN2974
14:05
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14:05
14:05
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12:40
WN1638
WN298
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13:20
13:20
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----
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SHOW RETURN SCHEDULE
CHECK PRICES FOR DEN - STL

The timetable & schedule information was updated at 2026-04-21

Delta Air Lines

Via Minneapolis with Delta Air Lines

  • Total flight time: 4h 02m - 6h 18m.
  • Sky Team Alliance
  • 121 flights per week
DEN
 
Via MSP
 
STL
 
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
DL1675
DL4167
09:19
09:19
09:19
09:19
09:19
09:19
09:19
DL2849
DL3185
11:10
11:10
11:10
11:10
11:10
11:12
11:10
DL2271
DL1609
16:05
16:05
16:05
16:05
16:05
16:05
16:05
SHOW RETURN SCHEDULE
CHECK PRICES FOR DEN - STL

The timetable & schedule information was updated at 2026-04-21

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Flight data on this page was last updated on 2026-06-02
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