Cheap Flights from St Louis to Cancun (STL - CUN)

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youth
12-17
Child
2-11
Seat Infant
under 2
Lap Infant
under 2
The price shown for each flight will be the average for all passengers including any infants.
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Best fares from STL to CUN

Sun Mon Tue Wed Thu Fri Sat
  1 $395 2
$395
3
$395
4
$395
5 $393 6 $393
7
$393
8 $393 9 $393 10
$393
11 $396 12 $396 13 $396
14 $396 15 $393 16 $405 17 $395 18 $399 19 $435 20 $556
21 $474 22 $492 23 $547 24 $401 25 $465 26 $524 27 $491
28 $517 29 $477 30 $405 31 $416      

Best fares found by others...

KAYAK searches hundreds of sites to find the best rate for your next flight from St Louis to Cancun. Get the best flight deal for your Cancun trip!
Here's how it works. Search KAYAK for a flight ticket from St Louis to Cancun. Sort, filter and compare results on one web page. Then book your plane ticket direct on the airline or travel agent site of your choice!
Select an airline:  Frontier
Direct flights STL to CUN on Frontier
Flight # Depart STL Arrive CUN Sun Mon Tue Wed Thu Fri Sat Valid Between
16 6:00 am 9:05 am Dec 19 - Dec 19
16 6:00 am 9:07 am Dec 20 - Mar 1
16 6:10 am 9:15 am Nov 21 - Dec 17