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 UA1380
STL 1:30 PM
DEN 3:00 PM
Nonstop 2.5h
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Delta Air Lines DL2455
STL 2:15 PM
SLC 4:32 PM
With stops 3.3h
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Delta Air Lines DL1586
SLC 5:40 PM
DEN 7:10 PM
1.5h
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Frontier Airlines F93107
STL 2:56 PM
LAS 4:31 PM
With stops 3.6h
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Frontier Airlines F93540
LAS 2:53 PM
DEN 6:04 PM
2.2h
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American Airlines AA2958
STL 2:12 PM
CLT 5:13 PM
With stops 2.0h
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American Airlines AA3156
CLT 9:25 PM
DEN 10:59 PM
3.6h
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Frontier Airlines F93107
STL 2:56 PM
LAS 4:31 PM
With stops 3.6h
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Frontier Airlines F91994
LAS 6:34 PM
DEN 9:42 PM
2.1h
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United Airlines UA1236
STL 4:30 PM
DEN 6:05 PM
Nonstop 2.6h
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American Airlines AA6399
STL 4:30 PM
ORD 6:10 PM
With stops 1.7h
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American Airlines AA1387
ORD 10:34 PM
DEN 12:14 AM
2.7h
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Frontier Airlines F92636
STL 4:59 PM
MCO 8:25 PM
With stops 2.4h
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Frontier Airlines F94919
MCO 12:52 PM
DEN 3:16 PM
4.4h
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American Airlines AA3128
STL 5:51 AM
ORD 7:21 AM
With stops 1.5h
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American Airlines AA2276
ORD 9:52 AM
DEN 11:44 AM
2.9h
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American Airlines AA2261
STL 5:20 AM
DFW 7:22 AM
With stops 2.0h
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American Airlines AA935
DFW 11:10 AM
DEN 12:19 PM
2.1h
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Delta Air Lines DL543
STL 5:24 PM
ATL 8:06 PM
With stops 1.7h
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Delta Air Lines DL956
ATL 10:25 PM
DEN 11:49 PM
3.4h
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United Airlines UA725
STL 6:05 PM
DEN 7:40 PM
Nonstop 2.6h
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Delta Air Lines DL1597
STL 6:30 AM
MSP 8:06 AM
With stops 1.6h
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Delta Air Lines DL2849
MSP 8:55 AM
DEN 10:12 AM
2.3h
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American Airlines AA2945
STL 6:11 PM
DFW 8:13 PM
With stops 2.0h
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American Airlines AA662
DFW 10:41 PM
DEN 11:45 PM
2.1h
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Delta Air Lines DL1393
STL 6:59 PM
ATL 9:41 PM
With stops 1.7h
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Delta Air Lines DL956
ATL 10:25 PM
DEN 11:49 PM
3.4h
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Frontier Airlines F94474
STL 6:31 PM
ATL 9:45 PM
With stops 2.2h
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Frontier Airlines F93599
ATL 9:20 PM
DEN 11:04 PM
3.7h
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Delta Air Lines DL1626
STL 6:45 AM
DTW 9:18 AM
With stops 1.6h
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Delta Air Lines DL1648
DTW 12:49 PM
DEN 2:03 PM
3.2h
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American Airlines AA1410
STL 7:12 AM
DFW 9:20 AM
With stops 2.1h
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American Airlines AA1832
DFW 3:07 PM
DEN 4:19 PM
2.2h
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American Airlines AA1410
STL 7:12 AM
DFW 9:20 AM
With stops 2.1h
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American Airlines AA420
DFW 12:39 PM
DEN 1:47 PM
2.1h
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Hawaiian Airlines HA7001
STL 7:00 AM
SEA 9:31 AM
With stops 4.5h
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Hawaiian Airlines HA6652
SEA 7:55 PM
DEN 11:33 PM
2.6h
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Delta Air Lines DL1400
STL 11:51 AM
ATL 2:30 PM
With stops 1.6h
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Delta Air Lines DL519
ATL 4:42 PM
DEN 6:04 PM
3.4h
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Delta Air Lines DL2868
STL 10:45 AM
DTW 1:15 PM
With stops 1.5h
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Delta Air Lines DL2431
DTW 4:15 PM
DEN 5:30 PM
3.3h
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United Airlines UA3686
STL 9:10 AM
ORD 10:40 AM
With stops 1.5h
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United Airlines UA1113
ORD 12:45 PM
DEN 2:23 PM
2.6h
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Frontier Airlines F94567
STL 8:08 PM
DEN 9:44 PM
Nonstop 2.6h
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United Airlines UA1415
STL 8:54 AM
DEN 10:27 AM
Nonstop 2.5h
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United Airlines UA4610
STL 8:15 PM
ORD 9:44 PM
With stops 1.5h
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United Airlines UA1015
ORD 11:03 PM
DEN 12:58 AM
2.9h
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American Airlines AA1410
STL 7:12 AM
DFW 9:20 AM
With stops 2.1h
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American Airlines AA1832
DFW 3:07 PM
DEN 4:19 PM
2.2h
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American Airlines AA1410
STL 7:12 AM
DFW 9:20 AM
With stops 2.1h
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American Airlines AA420
DFW 12:39 PM
DEN 1:47 PM
2.1h
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Hawaiian Airlines HA7001
STL 7:00 AM
SEA 9:31 AM
With stops 4.5h
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Hawaiian Airlines HA6652
SEA 7:55 PM
DEN 11:33 PM
2.6h
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United Airlines UA725
STL 6:05 PM
DEN 7:40 PM
Nonstop 2.6h
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Delta Air Lines DL1597
STL 6:30 AM
MSP 8:06 AM
With stops 1.6h
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Delta Air Lines DL2849
MSP 8:55 AM
DEN 10:12 AM
2.3h
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American Airlines AA2945
STL 6:11 PM
DFW 8:13 PM
With stops 2.0h
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American Airlines AA662
DFW 10:41 PM
DEN 11:45 PM
2.1h
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Delta Air Lines DL1393
STL 6:59 PM
ATL 9:41 PM
With stops 1.7h
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Delta Air Lines DL956
ATL 10:25 PM
DEN 11:49 PM
3.4h
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Frontier Airlines F94474
STL 6:31 PM
ATL 9:45 PM
With stops 2.2h
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Frontier Airlines F93599
ATL 9:20 PM
DEN 11:04 PM
3.7h
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Delta Air Lines DL1626
STL 6:45 AM
DTW 9:18 AM
With stops 1.6h
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Delta Air Lines DL1648
DTW 12:49 PM
DEN 2:03 PM
3.2h
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American Airlines AA3128
STL 5:51 AM
ORD 7:21 AM
With stops 1.5h
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American Airlines AA2276
ORD 9:52 AM
DEN 11:44 AM
2.9h
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American Airlines AA2261
STL 5:20 AM
DFW 7:22 AM
With stops 2.0h
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American Airlines AA935
DFW 11:10 AM
DEN 12:19 PM
2.1h
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Delta Air Lines DL543
STL 5:24 PM
ATL 8:06 PM
With stops 1.7h
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Delta Air Lines DL956
ATL 10:25 PM
DEN 11:49 PM
3.4h
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United Airlines UA1236
STL 4:30 PM
DEN 6:05 PM
Nonstop 2.6h
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American Airlines AA6399
STL 4:30 PM
ORD 6:10 PM
With stops 1.7h
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American Airlines AA1387
ORD 10:34 PM
DEN 12:14 AM
2.7h
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See all
United Airlines UA1380
STL 1:30 PM
DEN 3:00 PM
Nonstop 2.5h
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United Airlines UA1236
STL 4:30 PM
DEN 6:05 PM
Nonstop 2.6h
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United Airlines UA725
STL 6:05 PM
DEN 7:40 PM
Nonstop 2.6h
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Frontier Airlines F94567
STL 8:08 PM
DEN 9:44 PM
Nonstop 2.6h
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United Airlines UA1415
STL 8:54 AM
DEN 10:27 AM
Nonstop 2.5h
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Frontier Airlines F94567
STL 8:08 PM
DEN 9:44 PM
Nonstop 2.6h
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United Airlines UA1415
STL 8:54 AM
DEN 10:27 AM
Nonstop 2.5h
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United Airlines UA725
STL 6:05 PM
DEN 7:40 PM
Nonstop 2.6h
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United Airlines UA1236
STL 4:30 PM
DEN 6:05 PM
Nonstop 2.6h
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United Airlines UA1380
STL 1:30 PM
DEN 3:00 PM
Nonstop 2.5h
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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 39 minutes to fly from St. Louis (STL) to Denver (DEN).
  • Airlines with flights from St. Louis (STL) to Denver (DEN): United Airlines, Frontier Airlines and Air Canada.