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Flight times from St. Louis to Denver & schedule

The average flight time from St. Louis to Denver is About 4 hours 9 minutes, covering a distance of About 1,253.6 km.

Flight duration

About 4 hours 9 minutes

Flight distance

About 1,253.6 km

How long is the flight from St. Louis to Denver?

The flights usually depart from St. Louis Lambert International Airport and arrive at Denver International Airport.

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Earliest first
Latest first
United Airlines UA5979
STL 05:15
DEN 06:52
Nonstop 2.6h
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American Airlines AA2261
STL 05:15
DFW 07:06
With stops 1.9h
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American Airlines AA2359
DFW 10:48
DEN 11:51
2.0h
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American Airlines AA1515
STL 05:27
CLT 08:25
With stops 2.0h
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American Airlines AA1283
CLT 13:38
DEN 15:03
3.4h
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Southwest Airlines WN1722
STL 06:00
DEN 07:15
Nonstop 2.3h
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Delta Air Lines DL1597
STL 06:00
MSP 07:35
With stops 1.6h
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Delta Air Lines DL1149
MSP 08:50
DEN 10:03
2.2h
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American Airlines AA2444
STL 06:06
ORD 07:30
With stops 1.4h
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American Airlines AA2363
ORD 10:00
DEN 11:41
2.7h
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Delta Air Lines DL1626
STL 06:45
DTW 09:18
With stops 1.6h
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Delta Air Lines DL1648
DTW 13:00
DEN 14:15
3.3h
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Hawaiian Airlines HA7001
STL 07:00
SEA 09:31
With stops 4.5h
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Hawaiian Airlines HA6649
SEA 10:20
DEN 14:07
2.8h
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Alaska Airlines AS473
STL 07:00
SEA 09:40
With stops 4.7h
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Alaska Airlines AS535
SEA 11:08
DEN 14:50
2.7h
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American Airlines AA537
STL 07:01
DFW 08:52
With stops 1.9h
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American Airlines AA2359
DFW 10:48
DEN 11:51
2.0h
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American Airlines AA537
STL 07:01
DFW 08:52
With stops 1.9h
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American Airlines AA420
DFW 12:43
DEN 13:56
2.2h
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American Airlines AA712
STL 07:32
CLT 10:30
With stops 2.0h
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American Airlines AA1283
CLT 13:38
DEN 15:03
3.4h
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American Airlines AA858
STL 07:32
CLT 10:30
With stops 2.0h
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American Airlines AA1283
CLT 13:38
DEN 15:03
3.4h
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Delta Air Lines DL2363
STL 07:35
SLC 09:45
With stops 3.2h
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Delta Air Lines DL1623
SLC 13:30
DEN 14:59
1.5h
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United Airlines UA1396
STL 09:13
DEN 10:35
Nonstop 2.4h
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United Airlines UA4597
STL 09:30
ORD 10:58
With stops 1.5h
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United Airlines UA503
ORD 13:58
DEN 15:39
2.7h
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Southwest Airlines WN3930
STL 09:50
DEN 12:15
Nonstop 3.4h
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Southwest Airlines WN1961
STL 10:00
DEN 11:20
Nonstop 2.3h
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American Airlines AA2480
STL 10:08
DFW 11:57
With stops 1.8h
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American Airlines AA1832
DFW 14:45
DEN 15:49
2.1h
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Southwest Airlines WN2185
STL 10:45
DEN 16:05
Nonstop 6.3h
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Frontier Airlines F94567
STL 19:45
DEN 21:13
Nonstop 2.5h
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Delta Air Lines DL1492
STL 19:11
SLC 21:17
With stops 3.1h
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Delta Air Lines DL1667
SLC 20:59
DEN 22:33
1.6h
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Southwest Airlines WN1454
STL 17:50
DEN 19:10
Nonstop 2.3h
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Delta Air Lines DL1515
STL 17:34
MSP 19:14
With stops 1.7h
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Delta Air Lines DL1181
MSP 21:59
DEN 23:14
2.3h
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United Airlines UA1156
STL 17:30
ORD 18:55
With stops 1.4h
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United Airlines UA2296
ORD 21:17
DEN 23:03
2.8h
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Southwest Airlines WN898
STL 17:10
DEN 18:30
Nonstop 2.3h
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United Airlines UA483
STL 16:40
DEN 18:02
Nonstop 2.4h
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Frontier Airlines F92630
STL 15:16
MCO 18:52
With stops 2.6h
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Frontier Airlines F93311
MCO 20:59
DEN 23:11
4.2h
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Frontier Airlines F94474
STL 14:01
ATL 16:55
With stops 1.9h
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Frontier Airlines F91449
ATL 13:00
DEN 14:18
3.3h
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United Airlines UA2625
STL 13:35
DEN 15:05
Nonstop 2.5h
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Delta Air Lines DL1564
STL 12:10
MSP 13:46
With stops 1.6h
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Delta Air Lines DL1025
MSP 14:28
DEN 15:39
2.2h
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Delta Air Lines DL1703
STL 11:44
ATL 14:23
With stops 1.6h
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Delta Air Lines DL519
ATL 16:30
DEN 17:51
3.4h
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Southwest Airlines WN2185
STL 10:45
DEN 16:05
Nonstop 6.3h
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American Airlines AA2480
STL 10:08
DFW 11:57
With stops 1.8h
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American Airlines AA1832
DFW 14:45
DEN 15:49
2.1h
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Southwest Airlines WN1961
STL 10:00
DEN 11:20
Nonstop 2.3h
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Southwest Airlines WN3930
STL 09:50
DEN 12:15
Nonstop 3.4h
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United Airlines UA4597
STL 09:30
ORD 10:58
With stops 1.5h
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United Airlines UA503
ORD 13:58
DEN 15:39
2.7h
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United Airlines UA1396
STL 09:13
DEN 10:35
Nonstop 2.4h
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Delta Air Lines DL2363
STL 07:35
SLC 09:45
With stops 3.2h
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Delta Air Lines DL1623
SLC 13:30
DEN 14:59
1.5h
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American Airlines AA712
STL 07:32
CLT 10:30
With stops 2.0h
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American Airlines AA1283
CLT 13:38
DEN 15:03
3.4h
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United Airlines UA5979
STL 05:15
DEN 06:52
Nonstop 2.6h
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Southwest Airlines WN1722
STL 06:00
DEN 07:15
Nonstop 2.3h
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United Airlines UA1396
STL 09:13
DEN 10:35
Nonstop 2.4h
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Southwest Airlines WN3930
STL 09:50
DEN 12:15
Nonstop 3.4h
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Southwest Airlines WN1961
STL 10:00
DEN 11:20
Nonstop 2.3h
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Southwest Airlines WN2185
STL 10:45
DEN 16:05
Nonstop 6.3h
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United Airlines UA2625
STL 13:35
DEN 15:05
Nonstop 2.5h
See prices and details in the app >>
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United Airlines UA483
STL 16:40
DEN 18:02
Nonstop 2.4h
See prices and details in the app >>
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Southwest Airlines WN898
STL 17:10
DEN 18:30
Nonstop 2.3h
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Southwest Airlines WN1454
STL 17:50
DEN 19:10
Nonstop 2.3h
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Frontier Airlines F94567
STL 19:45
DEN 21:13
Nonstop 2.5h
See prices and details in the app >>
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See all
Frontier Airlines F94567
STL 19:45
DEN 21:13
Nonstop 2.5h
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Southwest Airlines WN1454
STL 17:50
DEN 19:10
Nonstop 2.3h
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Southwest Airlines WN898
STL 17:10
DEN 18:30
Nonstop 2.3h
See prices and details in the app >>
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United Airlines UA483
STL 16:40
DEN 18:02
Nonstop 2.4h
See prices and details in the app >>
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Check prices
United Airlines UA2625
STL 13:35
DEN 15:05
Nonstop 2.5h
See prices and details in the app >>
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Southwest Airlines WN2185
STL 10:45
DEN 16:05
Nonstop 6.3h
See prices and details in the app >>
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Southwest Airlines WN1961
STL 10:00
DEN 11:20
Nonstop 2.3h
See prices and details in the app >>
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Southwest Airlines WN3930
STL 09:50
DEN 12:15
Nonstop 3.4h
See prices and details in the app >>
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United Airlines UA1396
STL 09:13
DEN 10:35
Nonstop 2.4h
See prices and details in the app >>
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Southwest Airlines WN1722
STL 06:00
DEN 07:15
Nonstop 2.3h
See prices and details in the app >>
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United Airlines UA5979
STL 05:15
DEN 06:52
Nonstop 2.6h
See prices and details in the app >>
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FAQs about flight schedules from St. Louis to Denver

  • When are flight tickets from St. Louis (STL) to Denver (DEN) the cheapest?

    Airlines adjust prices for flights from St. Louis to Denver based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • It takes around 2 hours 44 minutes to fly from St. Louis (STL) to Denver (DEN).
  • Airlines with flights from St. Louis (STL) to Denver (DEN): United Airlines, Southwest Airlines, Frontier Airlines and Air Canada.

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