Find Deals on International Flights from 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
Students
under 26
The price shown for each flight will be the average for all passengers including any infants.
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Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Lambert-St Louis to worldwide

(Round-trip)
Depart: Mon Feb 27 2017 Return: Wed Mar 1 2017 Trip spans 3 days
Frontier
Frontier
STL
DEN
2h 32m
nonstop
DEN
STL
2h 01m
nonstop
Depart: Mon Dec 12 2016 Return: Wed Dec 14 2016 Trip spans 3 days
Major Airline
Major Airline
STL
DEN
2h 31m
nonstop
DEN
STL
2h 01m
nonstop
Depart: Mon Jan 30 2017 Return: Thu Feb 2 2017 Trip spans 4 days
Frontier
Frontier
STL
DEN
2h 32m
nonstop
DEN
STL
2h 01m
nonstop
Depart: Mon Mar 6 2017 Return: Wed Mar 8 2017 Trip spans 3 days
Major Airline
Major Airline
STL
DEN
2h 28m
nonstop
DEN
STL
2h 02m
nonstop
Depart: Thu Jan 12 2017 Return: Tue Jan 17 2017 Trip spans 6 days
American Airlines
American Airlines
STL
CAK
4h 29m
1 stop
CAK
STL
4h 47m
1 stop
Depart: Mon Jan 23 2017 Return: Fri Jan 27 2017 Trip spans 5 days
Major Airline
Major Airline
STL
DEN
2h 32m
nonstop
DEN
STL
2h 01m
nonstop
Depart: Mon Feb 6 2017 Return: Sat Feb 18 2017 Trip spans 13 days
United
United
STL
IAD
1h 59m
nonstop
IAD
STL
2h 30m
nonstop
Depart: Wed Jan 4 2017 Return: Mon Jan 9 2017 Trip spans 6 days
Frontier
Frontier
STL
LAS
3h 40m
nonstop
LAS
STL
3h 13m
nonstop
Depart: Tue Jan 24 2017 Return: Fri Jan 27 2017 Trip spans 4 days
Major Airline
Major Airline
STL
DEN
2h 32m
nonstop
DEN
STL
2h 01m
nonstop
Depart: Sat Dec 17 2016 Return: Mon Dec 19 2016 Trip spans 3 days
Delta
Delta
STL
ATL
1h 35m
nonstop
ATL
STL
1h 44m
nonstop
Depart: Wed Jan 18 2017 Return: Tue Jan 24 2017 Trip spans 7 days
Frontier
Frontier
STL
LAS
3h 35m
nonstop
LAS
STL
3h 13m
nonstop
Depart: Tue Feb 28 2017 Return: Tue Mar 7 2017 Trip spans 8 days
Frontier
Frontier
STL
LAS
3h 43m
nonstop
LAS
STL
3h 09m
nonstop
Depart: Sat Jan 7 2017 Return: Mon Jan 9 2017 Trip spans 3 days
Major Airline
Major Airline
STL
LAS
3h 35m
nonstop
LAS
STL
3h 13m
nonstop
Depart: Wed Dec 14 2016 Return: Sat Dec 17 2016 Trip spans 4 days
Frontier
Frontier
STL
LAS
3h 40m
nonstop
LAS
STL
3h 13m
nonstop
Depart: Tue Jan 3 2017 Return: Wed Jan 4 2017 Trip spans 2 days
Frontier
Frontier
STL
LAS
3h 40m
nonstop
LAS
STL
3h 13m
nonstop
Depart: Mon Feb 13 2017 Return: Mon Feb 20 2017 Trip spans 8 days
WestJet
WestJet
STL
YUL
17h 10m
1 stop
YUL
STL
21h 10m
2 stops
Depart: Sat Apr 15 2017 Return: Thu Apr 20 2017 Trip spans 6 days
Major Airline
Major Airline
STL
DEN
2h 28m
nonstop
DEN
STL
2h 02m
nonstop
Depart: Thu Apr 6 2017 Return: Sun Apr 9 2017 Trip spans 4 days
Alaska Airlines
Alaska Airlines
STL
DCA
1h 53m
nonstop
DCA
STL
1h 58m
nonstop
Depart: Sat Feb 11 2017 Return: Mon Feb 13 2017 Trip spans 3 days
Frontier
Frontier
STL
LAS
3h 43m
nonstop
LAS
STL
3h 09m
nonstop
Depart: Sat Dec 17 2016 Return: Fri Dec 23 2016 Trip spans 7 days
Major Airline
Major Airline
STL
LAS
3h 40m
nonstop
LAS
STL
3h 13m
nonstop
* 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.

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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.

Airports
Origin

St. Louis
$67
Destination

Akron
$195
Atlanta
$227
Denver
$67
Montreal
$332
Washington
only $203
only $351
Las Vegas
$97