Find Deals on Flights from Denver International to St. Louis Lambert-St Louis (DEN - STL)

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youth
12-17
Child
2-11
Seat Infant
under 2
Lap Infant
under 2
The price shown for each flight will be the average for all passengers including any infants.
Compare vs. KAYAK all | none
Browse Origins:
Browse Destinations:

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Denver International to St. Louis Lambert-St Louis

(Round-trip)
Depart: Tue Oct 27 2015 Return: Wed Oct 28 2015 Trip spans 2 days
Frontier
Frontier
DEN
5:10p
STL
6:59p
1h 49m
nonstop
STL
12:05p
DEN
2:26p
2h 21m
nonstop
Depart: Wed Oct 28 2015 Return: Tue Nov 3 2015 Trip spans 7 days
Frontier
Frontier
DEN
5:10p
STL
6:59p
1h 49m
nonstop
STL
11:05a
DEN
1:26p
2h 21m
nonstop
Depart: Fri Oct 2 2015 Return: Wed Oct 7 2015 Trip spans 6 days
Frontier
Frontier
DEN
6:15a
STL
8:15a
2h 00m
nonstop
STL
10:15a
DEN
12:36p
2h 21m
nonstop
Depart: Mon Oct 5 2015 Return: Tue Oct 27 2015 Trip spans 23 days
Frontier
Frontier
DEN
6:15a
STL
8:15a
2h 00m
nonstop
STL
12:05p
DEN
2:26p
2h 21m
nonstop
Depart: Tue Oct 6 2015 Return: Tue Oct 27 2015 Trip spans 22 days
Frontier
Frontier
DEN
6:15a
STL
8:15a
2h 00m
nonstop
STL
12:05p
DEN
2:26p
2h 21m
nonstop
Depart: Wed Oct 7 2015 Return: Tue Oct 27 2015 Trip spans 21 days
Frontier
Frontier
DEN
6:15a
STL
8:15a
2h 00m
nonstop
STL
12:05p
DEN
2:26p
2h 21m
nonstop
Depart: Sat Oct 10 2015 Return: Tue Oct 27 2015 Trip spans 18 days
Frontier
Frontier
DEN
11:00a
STL
12:57p
1h 57m
nonstop
STL
12:05p
DEN
2:26p
2h 21m
nonstop
Depart: Thu Oct 29 2015 Return: Tue Nov 3 2015 Trip spans 6 days
Frontier
Frontier
DEN
5:10p
STL
6:59p
1h 49m
nonstop
STL
11:05a
DEN
1:26p
2h 21m
nonstop
Depart: Fri Oct 30 2015 Return: Tue Nov 3 2015 Trip spans 5 days
Frontier
Frontier
DEN
5:10p
STL
6:59p
1h 49m
nonstop
STL
11:05a
DEN
1:26p
2h 21m
nonstop
Depart: Sat Oct 31 2015 Return: Tue Nov 3 2015 Trip spans 4 days
Frontier
Frontier
DEN
5:10p
STL
6:59p
1h 49m
nonstop
STL
11:05a
DEN
1:26p
2h 21m
nonstop
Depart: Sun Nov 1 2015 Return: Tue Nov 3 2015 Trip spans 3 days
Frontier
Frontier
DEN
4:10p
STL
5:59p
1h 49m
nonstop
STL
11:05a
DEN
1:26p
2h 21m
nonstop
Depart: Mon Nov 2 2015 Return: Tue Nov 3 2015 Trip spans 2 days
Frontier
Frontier
DEN
4:10p
STL
5:59p
1h 49m
nonstop
STL
11:05a
DEN
1:26p
2h 21m
nonstop
Depart: Wed Nov 11 2015 Return: Sun Nov 15 2015 Trip spans 5 days
Frontier
Frontier
DEN
4:10p
STL
5:59p
1h 49m
nonstop
STL
11:05a
DEN
1:26p
2h 21m
nonstop
Depart: Fri Oct 9 2015 Return: Tue Oct 27 2015 Trip spans 19 days
Frontier
Frontier
DEN
6:15a
STL
8:15a
2h 00m
nonstop
STL
12:05p
DEN
2:26p
2h 21m
nonstop
Depart: Sun Oct 25 2015 Return: Tue Oct 27 2015 Trip spans 3 days
Frontier
Frontier
DEN
5:10p
STL
6:59p
1h 49m
nonstop
STL
12:05p
DEN
2:26p
2h 21m
nonstop
Depart: Wed Nov 18 2015 Return: Sun Nov 22 2015 Trip spans 5 days
Frontier
Frontier
DEN
4:10p
STL
5:59p
1h 49m
nonstop
STL
11:05a
DEN
1:26p
2h 21m
nonstop
Depart: Thu Oct 1 2015 Return: Tue Oct 6 2015 Trip spans 6 days
United
United
DEN
4:18a
STL
6:22a
2h 04m
nonstop
STL
1:45a
DEN
4:04a
2h 19m
nonstop
Depart: Wed Sep 9 2015 Return: Wed Sep 16 2015 Trip spans 8 days
Delta
Delta
DEN
7:15a
STL
1:48p
6h 33m
1 stop
STL
12:32p
DEN
6:01p
5h 29m
1 stop
Depart: Wed Jan 6 2016 Return: Wed Jan 13 2016 Trip spans 8 days
American Airlines
American Airlines
DEN
12:00a
STL
4:44a
4h 44m
1 stop
STL
1:15a
DEN
6:12a
4h 57m
1 stop
Depart: Sun Oct 4 2015 Return: Tue Oct 13 2015 Trip spans 10 days
US Airways
US Airways
DEN
4:50p
STL
11:41p
6h 51m
1 stop
STL
1:05a
DEN
6:00a
4h 55m
1 stop
Direct flights DEN to STL on United
Flight # Depart DEN Arrive STL Sun Mon Tue Wed Thu Fri Sat Valid Between
3700 7:55 am 10:59 am Sep 16 - Sep 23
3700 8:05 am 11:09 am Sep 22 - Sep 22
3700 8:05 am 11:09 am Sep 15 - Sep 15
6265 8:05 am 11:13 am Sep 9 - Sep 9
3647 8:18 am 11:22 am Sep 25 - Oct 23
6320 8:18 am 11:26 am Sep 24 - Sep 24
3370 8:25 am 11:33 am Sep 19 - Sep 19
3370 8:25 am 11:33 am Sep 5 - Sep 5
3370 8:25 am 11:33 am Sep 12 - Sep 12
3700 8:25 am 11:29 am Aug 27 - Sep 4
3700 8:25 am 11:29 am Sep 7 - Sep 7
3700 8:25 am 11:29 am Sep 8 - Sep 14
3700 8:25 am 11:29 am Sep 17 - Sep 21
6265 8:25 am 11:33 am Sep 20 - Sep 20
3395 9:55 am 1:05 pm Sep 8 - Sep 8
3395 9:55 am 1:05 pm Sep 20 - Sep 20
3395 9:59 am 1:09 pm Sep 10 - Sep 23
3395 9:59 am 1:09 pm Sep 19 - Sep 19
3395 9:59 am 1:09 pm Sep 2 - Sep 7
3395 9:59 am 1:09 pm Sep 5 - Sep 12
3395 9:59 am 1:09 pm Sep 15 - Sep 22
3647 9:59 am 1:06 pm Sep 6 - Sep 6
5499 10:00 am 1:10 pm Sep 24 - Oct 24
2015 12:44 pm 3:47 pm Sep 7 - Sep 7
1159 12:47 pm 3:48 pm Sep 11 - Sep 11
1974 12:47 pm 3:48 pm Sep 8 - Sep 8
1974 12:47 pm 3:48 pm Sep 17 - Sep 21
1974 12:47 pm 3:48 pm Sep 4 - Sep 4
1974 12:47 pm 3:48 pm Sep 9 - Sep 9
1974 12:47 pm 3:48 pm Sep 14 - Sep 14
2015 12:47 pm 3:50 pm Sep 3 - Sep 3
2015 12:47 pm 3:50 pm Sep 22 - Sep 22
2015 12:47 pm 3:50 pm Sep 15 - Sep 20
2015 12:47 pm 3:50 pm Aug 30 - Sep 13
5480 12:47 pm 3:50 pm Sep 5 - Sep 5
5480 12:47 pm 3:50 pm Sep 12 - Sep 19
2015 12:49 pm 3:52 pm Sep 10 - Sep 10
3628 12:50 pm 3:49 pm Sep 24 - Oct 23
5615 12:50 pm 3:52 pm Sep 26 - Oct 24
1159 12:52 pm 3:53 pm Sep 23 - Sep 23
1974 12:52 pm 3:53 pm Sep 16 - Sep 16
3702 3:30 pm 6:33 pm Sep 24 - Oct 24
3608 3:33 pm 6:33 pm Sep 8 - Sep 14
3608 3:33 pm 6:33 pm Aug 27 - Sep 4
3608 3:33 pm 6:33 pm Sep 5 - Sep 19
3608 3:33 pm 6:33 pm Sep 6 - Sep 20
3608 3:33 pm 6:33 pm Sep 7 - Sep 7
3608 3:33 pm 6:33 pm Sep 17 - Sep 21
3688 7:40 pm 10:43 pm Sep 17 - Sep 23
3688 7:40 pm 10:43 pm Sep 20 - Sep 20
3688 7:40 pm 10:43 pm Sep 10 - Sep 13
3688 7:40 pm 10:43 pm Sep 24 - Oct 23
3688 7:40 pm 10:43 pm Sep 27 - Oct 18
3688 7:40 pm 10:43 pm Aug 25 - Sep 4
3688 7:40 pm 10:43 pm Sep 7 - Sep 16
3688 7:50 pm 10:53 pm Sep 22 - Sep 22
Airports
Origin

Denver
$40
Destination

St. Louis
$40