Find Deals on 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
Students
under 26
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: Mon Feb 13 2017 Return: Wed Feb 15 2017 Trip spans 3 days
Frontier
Frontier
STL
10:50a
DEN
1:22p
2h 32m
nonstop
DEN
2:55p
STL
4:56p
2h 01m
nonstop
Depart: Mon Dec 12 2016 Return: Wed Dec 14 2016 Trip spans 3 days
Major Airline
Major Airline
STL
5:50a
DEN
8:21a
2h 31m
nonstop
DEN
9:50a
STL
11:51a
2h 01m
nonstop
Depart: Tue Feb 14 2017 Return: Thu Feb 16 2017 Trip spans 3 days
Frontier
Frontier
STL
10:50a
DEN
1:22p
2h 32m
nonstop
DEN
2:55p
STL
4:56p
2h 01m
nonstop
Depart: Sat Jan 14 2017 Return: Wed Jan 18 2017 Trip spans 5 days
United
United
STL
11:20a
DEN
1:56p
2h 36m
nonstop
DEN
2:50p
STL
4:58p
2h 08m
nonstop
Depart: Thu Dec 15 2016 Return: Fri Dec 16 2016 Trip spans 2 days
Major Airline
Major Airline
STL
5:50a
DEN
8:21a
2h 31m
nonstop
DEN
9:55a
STL
11:56a
2h 01m
nonstop
Depart: Tue Feb 21 2017 Return: Thu Feb 23 2017 Trip spans 3 days
Frontier
Frontier
STL
10:50a
DEN
1:22p
2h 32m
nonstop
DEN
2:55p
STL
4:56p
2h 01m
nonstop
Depart: Mon Feb 27 2017 Return: Wed Mar 1 2017 Trip spans 3 days
Frontier
Frontier
STL
10:50a
DEN
1:22p
2h 32m
nonstop
DEN
2:55p
STL
4:56p
2h 01m
nonstop
Depart: Tue Feb 28 2017 Return: Thu Mar 2 2017 Trip spans 3 days
Frontier
Frontier
STL
10:50a
DEN
1:22p
2h 32m
nonstop
DEN
2:55p
STL
4:56p
2h 01m
nonstop
Depart: Sun Jan 8 2017 Return: Thu Jan 12 2017 Trip spans 5 days
Major Airline
Major Airline
STL
5:50a
DEN
8:22a
2h 32m
nonstop
DEN
9:50a
STL
11:51a
2h 01m
nonstop
Depart: Mon Mar 6 2017 Return: Wed Mar 8 2017 Trip spans 3 days
Frontier
Frontier
STL
10:50a
DEN
1:18p
2h 28m
nonstop
DEN
2:50p
STL
4:52p
2h 02m
nonstop
Depart: Fri May 5 2017 Return: Mon May 8 2017 Trip spans 4 days
American Airlines
American Airlines
STL
2:15a
DEN
7:12a
4h 57m
1 stop
DEN
11:00a
STL
6:51p
7h 51m
1 stop
Depart: Tue Dec 13 2016 Return: Wed Dec 14 2016 Trip spans 2 days
Frontier
Frontier
STL
10:50a
DEN
1:21p
2h 31m
nonstop
DEN
2:50p
STL
4:51p
2h 01m
nonstop
Depart: Tue Jan 24 2017 Return: Tue Jan 31 2017 Trip spans 8 days
Frontier
Frontier
STL
10:50a
DEN
1:22p
2h 32m
nonstop
DEN
2:50p
STL
4:51p
2h 01m
nonstop
Depart: Tue May 9 2017 Return: Tue May 16 2017 Trip spans 8 days
United
United
STL
4:55a
DEN
7:26a
2h 31m
nonstop
DEN
3:50p
STL
5:48p
1h 58m
nonstop
Depart: Sun Mar 19 2017 Return: Tue Mar 28 2017 Trip spans 10 days
Major Airline
Major Airline
STL
7:50a
DEN
10:18a
2h 28m
nonstop
DEN
11:50a
STL
1:52p
2h 02m
nonstop
Depart: Wed Jun 14 2017 Return: Tue Jun 20 2017 Trip spans 7 days
Delta
Delta
STL
2:45a
DEN
9:25a
6h 40m
1 stop
DEN
2:10a
STL
9:34a
7h 24m
1 stop
Depart: Wed Jan 25 2017 Return: Tue Jan 31 2017 Trip spans 7 days
Frontier
Frontier
STL
10:50a
DEN
1:22p
2h 32m
nonstop
DEN
2:50p
STL
4:51p
2h 01m
nonstop
Depart: Thu Jan 12 2017 Return: Tue Jan 17 2017 Trip spans 6 days
United
United
STL
12:45a
DEN
3:18a
2h 33m
nonstop
DEN
10:10a
STL
12:18p
2h 08m
nonstop
Depart: Tue Mar 28 2017 Return: Fri Mar 31 2017 Trip spans 4 days
Major Airline
Major Airline
STL
7:50a
DEN
10:18a
2h 28m
nonstop
DEN
11:50a
STL
1:52p
2h 02m
nonstop
Depart: Mon Jan 30 2017 Return: Tue Jan 31 2017 Trip spans 2 days
Frontier
Frontier
STL
10:50a
DEN
1:22p
2h 32m
nonstop
DEN
2:50p
STL
4:51p
2h 01m
nonstop
Direct flights STL to DEN on United
Flight # Depart STL Arrive DEN Sun Mon Tue Wed Thu Fri Sat Valid Between
4483 5:35 am 7:06 am Dec 17 - Dec 17
4483 5:42 am 7:13 am Dec 16 - Jan 3
4483 5:42 am 7:13 am Dec 18 - Jan 1
4483 5:45 am 7:18 am Jan 4 - Feb 15
4483 5:45 am 7:18 am Jan 7 - Feb 12
4653 5:50 am 7:25 am Dec 12 - Dec 15
4638 7:25 am 9:01 am Dec 28 - Jan 1
4638 7:25 am 9:01 am Dec 16 - Dec 22
4638 7:25 am 9:01 am Dec 26 - Jan 3
4638 7:25 am 9:01 am Dec 19 - Dec 23
4638 7:28 am 9:04 am Jan 5 - Jan 20
4638 7:28 am 9:04 am Jan 8 - Jan 8
4726 8:58 am 10:34 am Dec 16 - Dec 22
4726 8:58 am 10:34 am Dec 28 - Dec 30
4726 8:58 am 10:34 am Dec 19 - Dec 23
4726 8:58 am 10:34 am Dec 26 - Jan 3
4726 8:58 am 10:34 am Dec 18 - Jan 1
5860 9:00 am 10:35 am Dec 5 - Dec 15
4467 9:01 am 10:32 am Jan 7 - Feb 11
4726 9:01 am 10:37 am Jan 4 - Feb 15
4493 11:00 am 12:27 pm Dec 5 - Dec 15
4685 11:20 am 12:56 pm Dec 24 - Dec 24
4638 11:30 am 1:06 pm Jan 4 - Jan 4
5340 11:30 am 1:06 pm Jan 11 - Feb 15
4685 11:35 am 1:11 pm Dec 25 - Dec 25
5340 11:35 am 1:11 pm Jan 5 - Jan 13
4591 11:40 am 1:11 pm Dec 28 - Dec 30
4591 11:40 am 1:11 pm Dec 19 - Dec 23
4685 11:40 am 1:16 pm Dec 16 - Dec 22
4685 11:40 am 1:16 pm Dec 26 - Jan 3
4591 11:43 am 1:14 pm Jan 1 - Jan 1
3607 11:50 am 1:26 pm Dec 31 - Dec 31
4685 11:50 am 1:26 pm Dec 17 - Dec 18
4538 4:20 pm 5:51 pm Jan 7 - Jan 7
4538 4:20 pm 5:51 pm Jan 5 - Feb 13
4710 4:20 pm 5:56 pm Jan 8 - Jan 15
4538 4:22 pm 5:53 pm Jan 4 - Feb 15
4530 4:35 pm 6:06 pm Dec 25 - Dec 25
5948 4:35 pm 6:09 pm Dec 3 - Dec 15
3569 4:38 pm 6:14 pm Dec 24 - Dec 31
4530 4:38 pm 6:09 pm Dec 17 - Dec 17
5948 4:38 pm 6:14 pm Jan 1 - Jan 3
5948 4:38 pm 6:14 pm Dec 19 - Dec 30
4663 4:43 pm 6:19 pm Dec 16 - Dec 16
4530 4:48 pm 6:19 pm Dec 18 - Dec 18
4688 7:35 pm 9:11 pm Dec 18 - Dec 18
4688 7:35 pm 9:11 pm Dec 26 - Jan 3
4688 7:35 pm 9:11 pm Jan 1 - Jan 1
4688 7:35 pm 9:11 pm Dec 16 - Dec 23
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

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Airports
Origin

St. Louis
$67
Destination

Denver
$67
Airlines Airline reviews

120 travelers who booked a flight from St. Louis to Denver rated their chosen airlines with an average of 5.8.

Overall
6.3
Boarding
6.6
Crew
7.3
Comfort
5.8
Food
4.5
Entertainment
4.4