Find Cheap Flights from Lambert-St Louis to Denver International (STL - DEN)

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
The price shown for each flight will be the average for all passengers including any infants.
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Book cheap flights from Lambert-St Louis to Denver International

(Round-trip)
Depart: Wed Aug 30 2017 Return: Sat Sep 2 2017 Trip spans 4 days
Frontier
Frontier
STL
9:40a
DEN
12:00p
2h 20m
nonstop
DEN
3:55p
STL
6:01p
2h 06m
nonstop
Depart: Tue Sep 5 2017 Return: Thu Sep 7 2017 Trip spans 3 days
United
United
STL
7:55a
DEN
10:09a
2h 14m
nonstop
DEN
8:40a
STL
10:39a
1h 59m
nonstop
Depart: Sun Sep 10 2017 Return: Tue Sep 12 2017 Trip spans 3 days
American Airlines
American Airlines
STL
1:00a
DEN
5:56a
4h 56m
1 stop
DEN
1:00a
STL
5:50a
4h 50m
1 stop
Depart: Thu Sep 28 2017 Return: Sat Sep 30 2017 Trip spans 3 days
Delta
Delta
STL
2:30a
DEN
8:10a
5h 40m
1 stop
DEN
5:07a
STL
11:26a
6h 19m
1 stop
Depart: Mon Aug 28 2017 Return: Wed Aug 30 2017 Trip spans 3 days
Frontier
Frontier
STL
9:40a
DEN
12:00p
2h 20m
nonstop
DEN
3:55p
STL
6:01p
2h 06m
nonstop
Depart: Sun Sep 3 2017 Return: Wed Sep 6 2017 Trip spans 4 days
Frontier
Frontier
STL
9:40a
DEN
12:00p
2h 20m
nonstop
DEN
3:55p
STL
6:01p
2h 06m
nonstop
Depart: Wed Sep 6 2017 Return: Thu Sep 7 2017 Trip spans 2 days
United
United
STL
3:20a
DEN
5:40a
2h 20m
nonstop
DEN
11:10a
STL
1:15p
2h 05m
nonstop
Depart: Sat Sep 9 2017 Return: Tue Sep 12 2017 Trip spans 4 days
Frontier
Frontier
STL
9:50a
DEN
12:12p
2h 22m
nonstop
DEN
4:08p
STL
6:10p
2h 02m
nonstop
Depart: Wed Sep 13 2017 Return: Wed Sep 20 2017 Trip spans 8 days
United
United
STL
2:00a
DEN
4:20a
2h 20m
nonstop
DEN
4:00a
STL
6:10a
2h 10m
nonstop
Depart: Sun Sep 17 2017 Return: Tue Sep 19 2017 Trip spans 3 days
American Airlines
American Airlines
STL
1:00a
DEN
5:56a
4h 56m
1 stop
DEN
1:00a
STL
5:50a
4h 50m
1 stop
Depart: Mon Sep 11 2017 Return: Wed Sep 13 2017 Trip spans 3 days
Frontier
Frontier
STL
9:50a
DEN
12:12p
2h 22m
nonstop
DEN
4:08p
STL
6:10p
2h 02m
nonstop
Depart: Mon Sep 25 2017 Return: Tue Sep 26 2017 Trip spans 2 days
United
United
STL
3:20a
DEN
5:40a
2h 20m
nonstop
DEN
9:32a
STL
11:31a
1h 59m
nonstop
Depart: Fri Nov 3 2017 Return: Sat Nov 4 2017 Trip spans 2 days
American Airlines
American Airlines
STL
1:00a
DEN
5:56a
4h 56m
1 stop
DEN
10:15a
STL
2:40p
4h 25m
1 stop
Depart: Thu Oct 12 2017 Return: Wed Oct 18 2017 Trip spans 7 days
Delta
Delta
STL
2:30a
DEN
9:28a
6h 58m
1 stop
DEN
2:30a
STL
10:01a
7h 31m
1 stop
Depart: Wed Sep 27 2017 Return: Sat Sep 30 2017 Trip spans 4 days
United
United
STL
3:20a
DEN
5:40a
2h 20m
nonstop
DEN
1:55p
STL
4:00p
2h 05m
nonstop
Depart: Thu Sep 7 2017 Return: Sat Sep 9 2017 Trip spans 3 days
Frontier
Frontier
STL
9:50a
DEN
12:12p
2h 22m
nonstop
DEN
4:08p
STL
6:10p
2h 02m
nonstop
Depart: Tue Oct 3 2017 Return: Sat Oct 7 2017 Trip spans 5 days
United
United
STL
3:20a
DEN
5:40a
2h 20m
nonstop
DEN
1:55p
STL
4:00p
2h 05m
nonstop
Depart: Tue Sep 12 2017 Return: Thu Sep 14 2017 Trip spans 3 days
Frontier
Frontier
STL
9:50a
DEN
12:12p
2h 22m
nonstop
DEN
4:08p
STL
6:10p
2h 02m
nonstop
Depart: Sat Oct 14 2017 Return: Sat Oct 21 2017 Trip spans 8 days
United
United
STL
2:00a
DEN
4:20a
2h 20m
nonstop
DEN
1:55p
STL
4:00p
2h 05m
nonstop
Depart: Sun Oct 8 2017 Return: Mon Oct 9 2017 Trip spans 2 days
Delta
Delta
STL
2:30a
DEN
8:05a
5h 35m
1 stop
DEN
1:30p
STL
7:17p
5h 47m
1 stop
Direct flights STL to DEN on United
Flight # Depart STL Arrive DEN Sun Mon Tue Wed Thu Fri Sat Valid Between
3443 6:00 am 7:24 am Sep 16 - Sep 30
4483 6:00 am 7:23 am Sep 4 - Sep 5
4483 6:00 am 7:23 am Aug 16 - Sep 2
4516 6:00 am 7:20 am Sep 6 - Sep 13
4516 6:00 am 7:20 am Sep 14 - Oct 6
4516 6:00 am 7:20 am Sep 10 - Oct 1
4516 6:00 am 7:20 am Sep 7 - Sep 9
3443 7:20 am 8:44 am Sep 7 - Sep 7
4505 7:20 am 8:40 am Sep 14 - Oct 27
4505 7:20 am 8:40 am Sep 6 - Sep 13
4505 7:25 am 8:49 am Aug 16 - Sep 1
4505 7:25 am 8:49 am Sep 4 - Sep 5
4467 8:40 am 10:12 am Sep 6 - Oct 4
4505 9:05 am 10:27 am Sep 3 - Sep 3
4710 9:10 am 10:37 am Aug 16 - Sep 2
4710 9:10 am 10:37 am Sep 4 - Sep 5
4493 11:50 am 1:07 pm Sep 17 - Oct 1
4493 11:50 am 1:07 pm Sep 9 - Sep 10
4719 11:50 am 1:11 pm Sep 6 - Sep 15
4719 11:50 am 1:11 pm Sep 16 - Oct 4
4493 11:55 am 1:09 pm Aug 16 - Sep 5
4518 12:44 pm 1:58 pm Sep 3 - Sep 3
4670 1:32 pm 2:50 pm Aug 19 - Sep 2
1921 4:32 pm 6:05 pm Sep 4 - Sep 5
1921 4:32 pm 6:05 pm Aug 16 - Sep 2
4791 4:35 pm 6:02 pm Sep 6 - Oct 11
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Airports
Origin

St. Louis
$115
Destination

Denver
$115
Airlines Airline reviews

175 travelers who booked a flight from St. Louis to Denver rated their chosen airlines with an average of 5.9.

Overall
6.2
Boarding
6.5
Crew
7.1
Comfort
5.8
Food
4.8
Entertainment
4.8