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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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Southwest Airlines WN2378
STL 05:20
DEN 06:40
Nonstop 2.3h
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Delta Air Lines DL1524
STL 06:00
ATL 08:39
With stops 1.6h
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Delta Air Lines DL995
ATL 10:30
DEN 11:52
3.4h
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American Airlines AA537
STL 07:03
DFW 08:59
With stops 1.9h
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American Airlines AA420
DFW 12:45
DEN 13:55
2.2h
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Delta Air Lines DL1536
STL 07:20
ATL 10:00
With stops 1.7h
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Delta Air Lines DL706
ATL 12:40
DEN 14:10
3.5h
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Delta Air Lines DL2363
STL 07:45
SLC 09:55
With stops 3.2h
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Delta Air Lines DL1623
SLC 13:40
DEN 15:11
1.5h
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Delta Air Lines DL5286
STL 08:40
MSP 10:27
With stops 1.8h
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Delta Air Lines DL2271
MSP 11:40
DEN 12:47
2.1h
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Delta Air Lines DL5286
STL 08:40
MSP 10:27
With stops 1.8h
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Delta Air Lines DL1025
MSP 14:20
DEN 15:31
2.2h
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United Airlines UA1396
STL 09:00
DEN 10:29
Nonstop 2.5h
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Delta Air Lines DL1571
STL 09:00
ATL 11:38
With stops 1.6h
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Delta Air Lines DL530
ATL 13:40
DEN 14:59
3.3h
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Delta Air Lines DL1703
STL 10:15
ATL 12:47
With stops 1.5h
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Delta Air Lines DL519
ATL 16:42
DEN 18:03
3.4h
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American Airlines AA3271
STL 12:48
CLT 15:45
With stops 1.9h
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American Airlines AA1529
CLT 17:20
DEN 18:57
3.6h
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United Airlines UA2625
STL 13:35
DEN 15:05
Nonstop 2.5h
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United Airlines UA3611
STL 15:15
ORD 16:45
With stops 1.5h
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United Airlines UA2394
ORD 20:10
DEN 22:00
2.8h
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Delta Air Lines DL1485
STL 16:00
ATL 18:39
With stops 1.6h
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Delta Air Lines DL493
ATL 20:55
DEN 22:18
3.4h
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Delta Air Lines DL1485
STL 16:00
ATL 18:39
With stops 1.6h
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Delta Air Lines DL956
ATL 22:25
DEN 23:51
3.4h
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United Airlines UA475
STL 16:45
DEN 18:09
Nonstop 2.4h
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Delta Air Lines DL2700
STL 16:55
ATL 19:30
With stops 1.6h
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Delta Air Lines DL746
ATL 19:00
DEN 20:23
3.4h
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American Airlines AA831
STL 16:55
CLT 19:45
With stops 1.8h
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American Airlines AA3156
CLT 20:30
DEN 22:02
3.5h
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Delta Air Lines DL2700
STL 16:55
ATL 19:30
With stops 1.6h
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Delta Air Lines DL493
ATL 20:55
DEN 22:18
3.4h
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Southwest Airlines WN4617
STL 21:10
DEN 22:30
Nonstop 2.3h
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Frontier Airlines F94567
STL 19:43
DEN 21:15
Nonstop 2.5h
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Delta Air Lines DL1492
STL 19:15
SLC 21:21
With stops 3.1h
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Delta Air Lines DL1667
SLC 20:59
DEN 22:31
1.5h
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Delta Air Lines DL1393
STL 19:05
ATL 21:48
With stops 1.7h
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Delta Air Lines DL956
ATL 22:25
DEN 23:51
3.4h
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Frontier Airlines F94474
STL 18:26
ATL 21:11
With stops 1.8h
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Frontier Airlines F91449
ATL 19:55
DEN 21:19
3.4h
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Delta Air Lines DL2822
STL 17:45
DTW 20:19
With stops 1.6h
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Delta Air Lines DL1644
DTW 20:25
DEN 21:38
3.2h
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Frontier Airlines F92630
STL 17:40
MCO 21:23
With stops 2.7h
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Frontier Airlines F94919
MCO 13:51
DEN 16:03
4.2h
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Frontier Airlines F92630
STL 17:40
MCO 21:23
With stops 2.7h
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Frontier Airlines F93311
MCO 20:59
DEN 23:11
4.2h
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Frontier Airlines F92017
STL 17:34
LAS 19:23
With stops 3.8h
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Frontier Airlines F91994
LAS 00:59
DEN 03:58
2.0h
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Delta Air Lines DL1605
STL 17:30
MSP 19:09
With stops 1.6h
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Delta Air Lines DL1181
MSP 21:15
DEN 22:30
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 UA767
ORD 20:07
DEN 21:56
2.8h
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United Airlines UA1156
STL 17:30
ORD 18:55
With stops 1.4h
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United Airlines UA2666
ORD 05:15
DEN 06:52
2.6h
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Sun Country Airlines SY1626
STL 17:10
MSP 18:48
With stops 1.6h
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Sun Country Airlines SY1609
MSP 10:27
DEN 11:30
2.0h
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Delta Air Lines DL2700
STL 16:55
ATL 19:30
With stops 1.6h
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Delta Air Lines DL746
ATL 19:00
DEN 20:23
3.4h
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American Airlines AA831
STL 16:55
CLT 19:45
With stops 1.8h
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American Airlines AA3156
CLT 20:30
DEN 22:02
3.5h
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Delta Air Lines DL2700
STL 16:55
ATL 19:30
With stops 1.6h
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Delta Air Lines DL493
ATL 20:55
DEN 22:18
3.4h
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United Airlines UA475
STL 16:45
DEN 18:09
Nonstop 2.4h
See prices and details in the app >>
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Delta Air Lines DL1485
STL 16:00
ATL 18:39
With stops 1.6h
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Delta Air Lines DL493
ATL 20:55
DEN 22:18
3.4h
See prices and details in the app >>
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Delta Air Lines DL1485
STL 16:00
ATL 18:39
With stops 1.6h
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Delta Air Lines DL956
ATL 22:25
DEN 23:51
3.4h
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United Airlines UA3611
STL 15:15
ORD 16:45
With stops 1.5h
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United Airlines UA2394
ORD 20:10
DEN 22:00
2.8h
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See all
United Airlines UA5979
STL 05:15
DEN 06:52
Nonstop 2.6h
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Southwest Airlines WN2378
STL 05:20
DEN 06:40
Nonstop 2.3h
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United Airlines UA1396
STL 09:00
DEN 10:29
Nonstop 2.5h
See prices and details in the app >>
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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 UA475
STL 16:45
DEN 18:09
Nonstop 2.4h
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Frontier Airlines F94567
STL 19:43
DEN 21:15
Nonstop 2.5h
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Southwest Airlines WN4617
STL 21:10
DEN 22:30
Nonstop 2.3h
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Southwest Airlines WN4617
STL 21:10
DEN 22:30
Nonstop 2.3h
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Frontier Airlines F94567
STL 19:43
DEN 21:15
Nonstop 2.5h
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United Airlines UA475
STL 16:45
DEN 18:09
Nonstop 2.4h
See prices and details in the app >>
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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 UA1396
STL 09:00
DEN 10:29
Nonstop 2.5h
See prices and details in the app >>
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Southwest Airlines WN2378
STL 05:20
DEN 06:40
Nonstop 2.3h
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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.

  • How long does it take to fly from St. Louis (STL) to Denver (DEN) and what is the distance?

    It takes around 3 hours 6 minutes to fly from St. Louis (STL) to Denver (DEN).

  • What are the most popular airlines that fly from St. Louis (STL) to Denver (DEN)?

    Airlines with flights from St. Louis (STL) to Denver (DEN): Southwest Airlines, United Airlines, Frontier Airlines and Air Canada.

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