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

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.
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 Lambert-St Louis

(Round-trip)
Depart: Wed Oct 25 2017 Return: Wed Nov 1 2017 Trip spans 8 days
Frontier
Frontier
DEN
12:00a
STL
2:04a
2h 04m
nonstop
STL
12:00a
DEN
2:31a
2h 31m
nonstop
Depart: Wed Nov 8 2017 Return: Thu Nov 9 2017 Trip spans 2 days
Multiple Airlines
Multiple Airlines
DEN
12:00a
STL
1:55a
1h 55m
nonstop
STL
12:00a
DEN
2:36a
2h 36m
nonstop
Depart: Fri Oct 27 2017 Return: Sun Oct 29 2017 Trip spans 3 days
United
United
DEN
12:00a
STL
2:07a
2h 07m
nonstop
STL
12:00a
DEN
2:36a
2h 36m
nonstop
Depart: Wed Nov 29 2017 Return: Tue Dec 5 2017 Trip spans 7 days
Frontier
Frontier
DEN
12:00a
STL
1:55a
1h 55m
nonstop
STL
12:00a
DEN
2:28a
2h 28m
nonstop
Depart: Fri Sep 29 2017 Return: Tue Oct 3 2017 Trip spans 5 days
Multiple Airlines
Multiple Airlines
DEN
12:00a
STL
2:02a
2h 02m
nonstop
STL
12:00a
DEN
2:20a
2h 20m
nonstop
Depart: Wed Sep 27 2017 Return: Sat Sep 30 2017 Trip spans 4 days
Delta
Delta
DEN
12:00a
STL
6:43a
6h 43m
1 stop
STL
12:00a
DEN
7:54a
7h 54m
1 stop
Depart: Wed Dec 6 2017 Return: Tue Dec 12 2017 Trip spans 7 days
Frontier
Frontier
DEN
12:00a
STL
1:55a
1h 55m
nonstop
STL
12:00a
DEN
2:29a
2h 29m
nonstop
Depart: Sat Sep 30 2017 Return: Mon Oct 2 2017 Trip spans 3 days
Multiple Airlines
Multiple Airlines
DEN
12:00a
STL
2:02a
2h 02m
nonstop
STL
12:00a
DEN
2:20a
2h 20m
nonstop
Depart: Tue Jan 23 2018 Return: Wed Feb 14 2018 Trip spans 23 days
Frontier
Frontier
DEN
12:00a
STL
2:02a
2h 02m
nonstop
STL
12:00a
DEN
2:31a
2h 31m
nonstop
Depart: Sat Oct 28 2017 Return: Mon Oct 30 2017 Trip spans 3 days
Frontier
Frontier
DEN
12:00a
STL
2:04a
2h 04m
nonstop
STL
12:00a
DEN
2:23a
2h 23m
nonstop
Depart: Mon Feb 5 2018 Return: Wed Feb 7 2018 Trip spans 3 days
Frontier
Frontier
DEN
12:00a
STL
1:59a
1h 59m
nonstop
STL
12:00a
DEN
2:31a
2h 31m
nonstop
Depart: Fri Mar 2 2018 Return: Sun Mar 4 2018 Trip spans 3 days
Frontier
Frontier
DEN
12:00a
STL
1:59a
1h 59m
nonstop
STL
12:00a
DEN
2:29a
2h 29m
nonstop
Depart: Wed Nov 22 2017 Return: Sun Nov 26 2017 Trip spans 5 days
United
United
DEN
12:00a
STL
1:59a
1h 59m
nonstop
STL
12:00a
DEN
2:36a
2h 36m
nonstop
Depart: Fri Dec 22 2017 Return: Thu Dec 28 2017 Trip spans 7 days
Multiple Airlines
Multiple Airlines
DEN
12:00a
STL
5:07a
5h 07m
1 stop
STL
12:00a
DEN
2:29a
2h 29m
nonstop
Depart: Wed Nov 22 2017 Return: Sun Nov 26 2017 Trip spans 5 days
United
United
DEN
12:00a
STL
1:59a
1h 59m
nonstop
STL
12:00a
DEN
10:27a
10h 27m
1 stop
Direct flights DEN to STL on United
Flight # Depart DEN Arrive STL Sun Mon Tue Wed Thu Fri Sat Valid Between
5624 7:45 am 10:52 am Oct 29 - Nov 3
5624 7:45 am 10:49 am Oct 30 - Oct 30
4533 8:00 am 11:06 am Sep 10 - Oct 1
4702 8:00 am 11:10 am Oct 5 - Oct 27
4752 8:00 am 11:10 am Sep 14 - Oct 4
4533 9:45 am 12:49 pm Oct 30 - Oct 30
4684 9:45 am 12:54 pm Sep 6 - Oct 6
4684 9:45 am 12:54 pm Sep 12 - Oct 3
4684 9:45 am 12:54 pm Oct 7 - Oct 28
4684 9:45 am 12:54 pm Oct 8 - Oct 18
4684 9:45 am 12:54 pm Oct 19 - Oct 27
4684 9:46 am 12:55 pm Oct 12 - Oct 12
3755 12:40 pm 3:48 pm Oct 30 - Oct 30
4464 12:40 pm 3:36 pm Oct 22 - Oct 22
4464 12:40 pm 3:36 pm Oct 8 - Oct 15
4464 12:40 pm 3:36 pm Oct 18 - Oct 27
4464 12:40 pm 3:36 pm Oct 7 - Oct 14
4464 12:40 pm 3:36 pm Oct 21 - Oct 28
4464 12:40 pm 3:36 pm Oct 5 - Oct 17
4492 12:40 pm 3:44 pm Oct 29 - Nov 4
5426 12:40 pm 3:39 pm Sep 16 - Sep 30
5426 12:40 pm 3:39 pm Sep 7 - Oct 2
5426 1:32 pm 4:31 pm Sep 6 - Oct 4
4605 2:27 pm 5:36 pm Sep 10 - Oct 1
4605 2:32 pm 5:41 pm Oct 8 - Oct 22
4605 3:10 pm 6:19 pm Oct 5 - Oct 27
4605 3:10 pm 6:19 pm Oct 11 - Oct 25
4605 3:10 pm 6:19 pm Oct 10 - Oct 24
4605 3:10 pm 6:19 pm Oct 29 - Nov 3
5580 3:13 pm 6:22 pm Oct 30 - Oct 30
4605 3:15 pm 6:24 pm Sep 12 - Oct 3
4605 3:15 pm 6:24 pm Sep 6 - Oct 4
4486 5:55 pm 9:00 pm Sep 30 - Sep 30
4549 5:55 pm 9:00 pm Oct 7 - Oct 14
4549 5:55 pm 9:00 pm Oct 21 - Oct 21
4549 5:57 pm 9:02 pm Oct 28 - Oct 28
4549 7:55 pm 10:54 pm Oct 29 - Nov 3
4549 7:55 pm 11:02 pm Sep 6 - Oct 27
4627 7:55 pm 10:57 pm Oct 30 - Oct 30
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

Here's why:

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

We compile tonnes of data for you
Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

If you have more questions or if you have a bad price to report to us,
please send us an email and someone from our team will get back to you promptly.

^ The fares displayed in KAYAK ads found on other sites include all taxes and fees for economy class travel and were found by KAYAK users in the last 72 hours. Seats are limited and may not be available on all flights and days. Fares are subject to change and may not be available on all flights or dates of travel. Some carriers charge additional fees for extra checked bags. Please check the carriers' sites.
Airports
Origin

Denver
$147
Destination

St. Louis
$147
Airlines Airline reviews

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

Overall
5.9
Boarding
6.2
Crew
7.0
Comfort
5.6
Food
4.3
Entertainment
4.3