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
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: Sat Apr 15 2017 Return: Tue Apr 18 2017 Trip spans 4 days
Frontier
Frontier
STL
DEN
2h 28m
nonstop
DEN
STL
2h 02m
nonstop
Depart: Mon Feb 27 2017 Return: Wed Mar 1 2017 Trip spans 3 days
American Airlines
American Airlines
STL
PHX
3h 22m
nonstop
PHX
STL
2h 57m
nonstop
Depart: Mon Apr 17 2017 Return: Wed Apr 19 2017 Trip spans 3 days
Frontier
Frontier
STL
PHX
3h 33m
nonstop
PHX
STL
3h 00m
nonstop
Depart: Sat May 6 2017 Return: Fri May 12 2017 Trip spans 7 days
Major Airline
Major Airline
STL
PHX
10h 24m
1 stop
PHX
STL
8h 25m
1 stop
Depart: Tue Apr 25 2017 Return: Tue May 2 2017 Trip spans 8 days
Frontier
Frontier
STL
DEN
2h 28m
nonstop
DEN
STL
2h 08m
nonstop
Depart: Thu Apr 27 2017 Return: Fri Apr 28 2017 Trip spans 2 days
Frontier
Frontier
STL
DEN
2h 28m
nonstop
DEN
STL
2h 08m
nonstop
Depart: Fri May 5 2017 Return: Thu May 11 2017 Trip spans 7 days
Frontier
Frontier
STL
DEN
2h 25m
nonstop
DEN
STL
2h 08m
nonstop
Depart: Wed Apr 19 2017 Return: Sat Apr 22 2017 Trip spans 4 days
Delta
Delta
STL
SNA
8h 50m
1 stop
SNA
STL
7h 00m
1 stop
Depart: Fri May 12 2017 Return: Wed May 17 2017 Trip spans 6 days
Frontier
Frontier
STL
DEN
2h 25m
nonstop
DEN
STL
2h 08m
nonstop
Depart: Sun Mar 12 2017 Return: Fri Mar 17 2017 Trip spans 5 days
Air Choice One
Air Choice One
STL
ORD
2h 30m
1 stop
ORD
STL
2h 55m
1 stop
Depart: Wed Mar 15 2017 Return: Tue Mar 28 2017 Trip spans 14 days
United
United
STL
IAD
2h 04m
nonstop
IAD
STL
2h 18m
nonstop
Depart: Tue Mar 28 2017 Return: Thu Mar 30 2017 Trip spans 3 days
Frontier
Frontier
STL
MCO
2h 30m
nonstop
MCO
STL
2h 39m
nonstop
Depart: Thu Jul 13 2017 Return: Sat Jul 15 2017 Trip spans 3 days
Alaska Airlines
Alaska Airlines
STL
DFW
1h 45m
nonstop
DFW
STL
1h 45m
nonstop
Depart: Tue Feb 28 2017 Return: Wed Mar 1 2017 Trip spans 2 days
Frontier
Frontier
STL
DEN
2h 38m
nonstop
DEN
STL
2h 02m
nonstop
Depart: Thu Jun 1 2017 Return: Tue Jun 6 2017 Trip spans 6 days
Major Airline
Major Airline
STL
ATL
1h 45m
nonstop
ATL
STL
1h 43m
nonstop
Depart: Tue Mar 7 2017 Return: Wed Mar 8 2017 Trip spans 2 days
Frontier
Frontier
STL
DEN
2h 32m
nonstop
DEN
STL
2h 02m
nonstop
Depart: Sat Jun 3 2017 Return: Sun Jun 4 2017 Trip spans 2 days
Major Airline
Major Airline
STL
DEN
2h 25m
nonstop
DEN
STL
2h 08m
nonstop
Depart: Tue Mar 7 2017 Return: Mon Mar 13 2017 Trip spans 6 days
Frontier
Frontier
STL
LAS
3h 43m
nonstop
LAS
STL
3h 09m
nonstop
Depart: Fri Apr 21 2017 Return: Mon Apr 24 2017 Trip spans 4 days
Delta
Delta
STL
SNA
5h 57m
1 stop
SNA
STL
5h 34m
1 stop
Depart: Mon Mar 20 2017 Return: Wed Mar 22 2017 Trip spans 3 days
Frontier
Frontier
STL
PHX
3h 32m
nonstop
PHX
STL
2h 58m
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.

Airports
Origin

St. Louis
$57
Destination

Chicago
$189
Atlanta
$146
Orlando
$72
Phoenix
$57
Santa Ana
$166
Denver
$57
Dallas
$241
Washington
$203
Las Vegas
$77