Find Cheap Flights to Lambert-St Louis

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 to Lambert-St Louis

(Round-trip)
Depart: Mon Apr 10 2017 Return: Thu Apr 13 2017 Trip spans 4 days
Frontier
Frontier
DEN
STL
2h 02m
nonstop
STL
DEN
2h 28m
nonstop
Depart: Fri May 5 2017 Return: Wed May 10 2017 Trip spans 6 days
Major Airline
Major Airline
DEN
STL
2h 08m
nonstop
STL
DEN
2h 25m
nonstop
Depart: Thu Apr 6 2017 Return: Tue Apr 11 2017 Trip spans 6 days
Frontier
Frontier
DEN
STL
2h 02m
nonstop
STL
DEN
2h 28m
nonstop
Depart: Wed Apr 12 2017 Return: Sat Apr 15 2017 Trip spans 4 days
Frontier
Frontier
PHX
STL
3h 00m
nonstop
STL
PHX
3h 33m
nonstop
Depart: Sun Apr 23 2017 Return: Mon Apr 24 2017 Trip spans 2 days
Air Choice One
Air Choice One
ORD
STL
5h 15m
1 stop
STL
ORD
2h 30m
1 stop
Depart: Sat Apr 15 2017 Return: Wed Apr 19 2017 Trip spans 5 days
United
United
IAD
STL
2h 14m
nonstop
STL
IAD
2h 04m
nonstop
Depart: Tue May 2 2017 Return: Wed May 3 2017 Trip spans 2 days
American Airlines
American Airlines
DCA
STL
2h 21m
nonstop
STL
DCA
2h 07m
nonstop
Depart: Thu Jun 1 2017 Return: Mon Jun 12 2017 Trip spans 12 days
Delta
Delta
EWR
STL
4h 28m
1 stop
STL
EWR
4h 42m
1 stop
Depart: Fri Jun 9 2017 Return: Sun Jun 11 2017 Trip spans 3 days
Alaska Airlines
Alaska Airlines
DFW
STL
1h 42m
nonstop
STL
DFW
1h 46m
nonstop
Depart: Fri May 12 2017 Return: Tue May 16 2017 Trip spans 5 days
Frontier
Frontier
DEN
STL
2h 08m
nonstop
STL
DEN
2h 25m
nonstop
Depart: Thu Aug 3 2017 Return: Sun Aug 6 2017 Trip spans 4 days
Major Airline
Major Airline
DEN
STL
2h 06m
nonstop
STL
DEN
2h 27m
nonstop
Depart: Wed Jul 19 2017 Return: Tue Jul 25 2017 Trip spans 7 days
Frontier
Frontier
DEN
STL
2h 05m
nonstop
STL
DEN
2h 27m
nonstop
Depart: Sat Apr 15 2017 Return: Tue Apr 18 2017 Trip spans 4 days
Air Choice One
Air Choice One
ORD
STL
2h 55m
1 stop
STL
ORD
2h 35m
1 stop
Depart: Tue Mar 28 2017 Return: Wed Apr 5 2017 Trip spans 9 days
Major Airline
Major Airline
PHX
STL
15h 42m
1 stop
STL
PHX
8h 59m
1 stop
Depart: Sat Jun 3 2017 Return: Wed Jun 7 2017 Trip spans 5 days
American Airlines
American Airlines
DCA
STL
2h 12m
nonstop
STL
DCA
2h 06m
nonstop
Depart: Wed Sep 20 2017 Return: Wed Sep 27 2017 Trip spans 8 days
United
United
IAD
STL
2h 12m
nonstop
STL
IAD
2h 08m
nonstop
Depart: Wed Jun 7 2017 Return: Sun Jun 11 2017 Trip spans 5 days
Frontier
Frontier
DEN
STL
2h 05m
nonstop
STL
DEN
2h 25m
nonstop
Depart: Tue Jul 18 2017 Return: Tue Aug 8 2017 Trip spans 22 days
Air Choice One
Air Choice One
ORD
STL
2h 50m
1 stop
STL
ORD
2h 45m
1 stop
Depart: Tue Apr 25 2017 Return: Sat Apr 29 2017 Trip spans 5 days
Delta
Delta
IAD
STL
5h 00m
1 stop
STL
IAD
7h 30m
1 stop
Depart: Sat Sep 30 2017 Return: Tue Oct 3 2017 Trip spans 4 days
American Airlines
American Airlines
DCA
STL
2h 25m
nonstop
STL
DCA
1h 53m
nonstop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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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.

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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

Chicago
$190
Phoenix
$85
Newark
$208
Denver
$67
Dallas
$241
Washington
only $203
only $203
Destination

St. Louis
$67
Airlines Airline reviews

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

Overall
6.1
Boarding
6.4
Crew
7.1
Comfort
5.5
Food
4.3
Entertainment
4.1