Find Cheap Flights to Mexico

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 from Lambert-St Louis to Mexico

(Round-trip)
Depart: Tue Nov 14 2017 Return: Mon Dec 11 2017 Trip spans 28 days
Frontier
Frontier
STL
12:00a
CUN
11:39a
11h 39m
1 stop
CUN
12:00a
STL
8:36a
8h 36m
1 stop
Depart: Tue Nov 14 2017 Return: Tue Dec 12 2017 Trip spans 29 days
Multiple Airlines
Multiple Airlines
STL
12:00a
CUN
4:19p
16h 19m
1 stop
CUN
12:00a
STL
6:42a
6h 42m
1 stop
Depart: Sat Oct 28 2017 Return: Wed Nov 1 2017 Trip spans 5 days
Aeromexico
Aeromexico
STL
12:00a
CUN
8:26a
8h 26m
1 stop
CUN
12:00a
STL
8:16a
8h 16m
1 stop
Depart: Tue Nov 7 2017 Return: Sun Nov 12 2017 Trip spans 6 days
Frontier
Frontier
STL
12:00a
CUN
11:39a
11h 39m
1 stop
CUN
12:00a
STL
8:33a
8h 33m
1 stop
Depart: Sat Oct 14 2017 Return: Sun Oct 15 2017 Trip spans 2 days
United
United
STL
12:00a
CUN
8:45a
8h 45m
1 stop
CUN
12:00a
STL
3:39p
15h 39m
1 stop
Depart: Fri Sep 15 2017 Return: Tue Sep 19 2017 Trip spans 5 days
American Airlines
American Airlines
STL
12:00a
CUN
7:35a
7h 35m
1 stop
CUN
12:00a
STL
6:11a
6h 11m
1 stop
Depart: Tue Nov 7 2017 Return: Mon Nov 13 2017 Trip spans 7 days
Multiple Airlines
Multiple Airlines
STL
12:00a
CUN
4:19p
16h 19m
1 stop
CUN
12:00a
STL
12:37a
24h 37m
2 stops
Depart: Sun Aug 27 2017 Return: Fri Sep 1 2017 Trip spans 6 days
Multiple Airlines
Multiple Airlines
STL
12:00a
CUN
3:04a
3h 04m
nonstop
CUN
12:00a
STL
7:09p
19h 09m
1 stop
Depart: Sun Nov 5 2017 Return: Tue Nov 7 2017 Trip spans 3 days
Frontier
Frontier
STL
12:00a
CUN
10:39a
11h 39m
1 stop
CUN
12:00a
STL
8:33a
8h 33m
1 stop
Depart: Mon Aug 28 2017 Return: Sat Sep 2 2017 Trip spans 6 days
Multiple Airlines
Multiple Airlines
STL
12:00a
CUN
7:59a
7h 59m
1 stop
CUN
12:00a
STL
3:10a
3h 10m
nonstop
Depart: Wed Dec 6 2017 Return: Mon Dec 11 2017 Trip spans 6 days
Frontier
Frontier
STL
12:00a
CUN
11:39a
11h 39m
1 stop
CUN
12:00a
STL
8:36a
8h 36m
1 stop
Depart: Fri Aug 25 2017 Return: Wed Aug 30 2017 Trip spans 6 days
Multiple Airlines
Multiple Airlines
STL
12:00a
CUN
1:58p
13h 58m
1 stop
CUN
12:00a
STL
3:10a
3h 10m
nonstop
Depart: Sat Dec 9 2017 Return: Fri Dec 15 2017 Trip spans 7 days
American Airlines
American Airlines
STL
12:00a
CUN
1:00p
13h 00m
1 stop
CUN
12:00a
STL
4:02p
16h 02m
1 stop
Depart: Tue Sep 5 2017 Return: Sat Sep 9 2017 Trip spans 5 days
United
United
STL
12:00a
CUN
6:00p
18h 00m
1 stop
CUN
12:00a
STL
11:41a
11h 41m
1 stop
Depart: Mon Oct 16 2017 Return: Fri Oct 20 2017 Trip spans 5 days
Aeromexico
Aeromexico
STL
12:00a
CUN
10:02a
10h 02m
1 stop
CUN
12:00a
STL
10:15a
10h 15m
2 stops
Depart: Tue Nov 7 2017 Return: Sat Nov 11 2017 Trip spans 5 days
Frontier
Frontier
STL
12:00a
CUN
4:19p
16h 19m
1 stop
CUN
12:00a
STL
8:33a
8h 33m
1 stop
Depart: Fri Sep 22 2017 Return: Tue Sep 26 2017 Trip spans 5 days
Multiple Airlines
Multiple Airlines
STL
12:00a
CUN
3:10a
3h 10m
nonstop
CUN
12:00a
STL
3:26p
15h 26m
2 stops
Depart: Fri Aug 25 2017 Return: Mon Aug 28 2017 Trip spans 4 days
American Airlines
American Airlines
STL
12:00a
CUN
5:40a
5h 40m
1 stop
CUN
12:00a
STL
10:18a
10h 18m
1 stop
Depart: Thu Sep 21 2017 Return: Sun Sep 24 2017 Trip spans 4 days
United
United
STL
12:00a
CUN
10:15a
10h 15m
1 stop
CUN
12:00a
STL
11:41a
11h 41m
1 stop
Depart: Sat Nov 25 2017 Return: Mon Dec 4 2017 Trip spans 10 days
Frontier
Frontier
STL
12:00a
CUN
4:19p
16h 19m
1 stop
CUN
12:00a
STL
8:33a
8h 33m
1 stop
* 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,
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Airports
Origin

St. Louis
$106
Destination

Cancun
$106