Southwest Airlines
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United States
Lambert-Saint Louis International Airport
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United States
Denver International Airport (succeeded Stapleton Airpo
Click to show full flight schedule
Scan through all non-stop flights from St. Louis to Denver. The full flight schedule below gives an overview of all non-stop flights from STL to DEN, which includes the daily timetable of every operating airline for the upcoming 12 months.
Note: for airline-specific flight schedules, please scroll further down.
In total there are 3 airlines operating nonstop flights from St. Louis STL to Denver DEN. This section gives an overview of the flight schedules and timetables of every airline with direct flights for this route.
Click an airline below to view their STL DEN flight schedule.
Flights from STL to DEN are operated 64 times a week, with an average of 9 flights per day. Departure times vary between 05:15 - 23:09. The earliest flight departs at 05:15, the last flight departs at 23:09. However, this depends on the date you are flying so please check with the full flight schedule above to see which departure times are available on your preferred date(s) of travel.
You can fly in Economy and Business Class. Premium Economy and First Class are not available on this route (at least not as a non-stop flight).
The fastest direct flight from St. Louis to Denver takes 2 hours and 38 minutes. The flight distance between St. Louis and Denver is 767 miles (or 1,234 km).
There are 2 airports in Denver: Denver International Airport (succeeded Stapleton Airpo (DEN) and Rocky Mountain Metropolitan Airpo (BJC).
There are 64 flights per week flying from St. Louis to Denver (as of February 2023).
2 hours and 38 minutes is the average flight time from St. Louis to Denver.
The distance from St. Louis to Denver is 767 miles (1,234 kilometers).
Frontier Airlines, Southwest Airlines and United Airlines are flying nonstop from St. Louis to Denver.
Star Alliance is currently the only alliance flying nonstop from St. Louis to Denver.
You can fly non-stop in Economy and Business Class.
Aircraft types that fly from St. Louis to Denver:
The earliest flight departs at 05:15 from St. Louis and arrives at 06:40 at Denver.
The latest flight departs at 23:09 from St. Louis and arrives at 00:38 at Denver.
767 miles (1,234 km) · 2h 38m
05:50
07:25
Southwest Airlines
WN 697
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
06:40
08:15
Southwest Airlines
WN 1381
Southwest Airlines
Boeing 737-800 (winglets)
Y
W
J
F
06:45
08:15
Southwest Airlines
WN 425
Southwest Airlines
Boeing 737-800 (winglets)
Y
W
J
F
08:10
09:45
Southwest Airlines
WN 2742
Southwest Airlines
Boeing 737-700 (winglets)
Y
W
J
F
08:39
10:13
United Airlines
Star Alliance
UA 690
United Airlines
Airbus A320-100/200
Y
W
J
F
08:40
10:10
United Airlines
Star Alliance
UA 1824
United Airlines
Airbus A320-100/200
Y
W
J
F
09:48
11:24
Frontier Airlines
F9 699
Frontier Airlines
Airbus A321-100/200
Y
W
J
F
10:06
11:40
Frontier Airlines
F9 701
Frontier Airlines
Airbus A321-100/200
Y
W
J
F
10:06
11:40
Frontier Airlines
F9 699
Frontier Airlines
Airbus A321-100/200
Y
W
J
F
10:45
12:25
United Airlines
Star Alliance
UA 5896
United Airlines
Embraer 175
Y
W
J
F
10:55
12:25
Southwest Airlines
WN 444
Southwest Airlines
Boeing 737-700 (winglets)
Y
W
J
F
13:05
14:35
Southwest Airlines
WN 700
Southwest Airlines
Boeing 737-800 (winglets)
Y
W
J
F
13:15
14:45
Southwest Airlines
WN 791
Southwest Airlines
Boeing 737-800 (winglets)
Y
W
J
F
13:20
14:50
Southwest Airlines
WN 700
Southwest Airlines
Boeing 737-700 (winglets)
Y
W
J
F
13:25
15:05
United Airlines
Star Alliance
UA 4783
United Airlines
Embraer 175
Y
W
J
F
13:25
15:00
United Airlines
Star Alliance
UA 4783
United Airlines
Canadair Regional Jet 700
Y
W
J
F
13:25
15:05
United Airlines
Star Alliance
UA 4783
United Airlines
Embraer 175
Y
W
J
F
13:25
15:05
United Airlines
Star Alliance
UA 4783
United Airlines
Embraer 175
Y
W
J
F
13:25
15:00
United Airlines
Star Alliance
UA 4783
United Airlines
Canadair Regional Jet 700
Y
W
J
F
13:33
15:10
Frontier Airlines
F9 701
Frontier Airlines
Airbus A320neo
Y
W
J
F
13:38
15:00
United Airlines
Star Alliance
UA 2363
United Airlines
Airbus A319
Y
W
J
F
13:38
14:59
United Airlines
Star Alliance
UA 2363
United Airlines
Airbus A319
Y
W
J
F
14:11
15:49
Frontier Airlines
F9 699
Frontier Airlines
Airbus A320neo
Y
W
J
F
14:11
15:49
Frontier Airlines
F9 699
Frontier Airlines
Airbus A320-100/200
Y
W
J
F
14:41
16:19
Frontier Airlines
F9 699
Frontier Airlines
Airbus A320neo
Y
W
J
F
16:25
18:03
United Airlines
Star Alliance
UA 5221
United Airlines
Embraer 175
Y
W
J
F
16:28
18:10
United Airlines
Star Alliance
UA 5214
United Airlines
Embraer 175
Y
W
J
F
16:28
18:10
United Airlines
Star Alliance
UA 5214
United Airlines
Embraer 175
Y
W
J
F
17:05
18:35
Southwest Airlines
WN 2495
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
17:25
18:55
Southwest Airlines
WN 2495
Southwest Airlines
Boeing 737-700 (winglets)
Y
W
J
F
18:35
20:05
Southwest Airlines
WN 2495
Southwest Airlines
Boeing 737-800 (winglets)
Y
W
J
F
20:20
21:45
Southwest Airlines
WN 1252
Southwest Airlines
Boeing 737-800 (winglets)
Y
W
J
F
20:38
22:06
Frontier Airlines
F9 699
Frontier Airlines
Airbus A320neo
Y
W
J
F
21:45
23:15
Southwest Airlines
WN 1994
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
22:19
23:58
Frontier Airlines
F9 699
Frontier Airlines
Airbus A320neo
Y
W
J
F
22:54
00:33
Frontier Airlines
F9 701
Frontier Airlines
Airbus A321-100/200
Y
W
J
F
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