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

DepartReturn
1 adult
Note: some airlines charge for infants in laps.
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 (Found by others)

Sun Mon Tue Wed Thu Fri Sat
  1 $508 2
$508
3
$508
4 $508 5
$508
6
$508
7 $473 8 $501 9 $412 10 $418 11 $399 12 $409 13 $417
14 $391 15 $391 16 $407 17 $448 18 $471 19 $410 20 $382
21 $467 22 $399 23 $376 24 $399 25 $410 26 $412 27 $478
28 $404 29 $407 30 $396        
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 6:10 am 9:08 am Sep 8 - Sep 29
16 6:10 am 9:15 am Oct 1 - Oct 25
16 6:15 am 9:13 am Aug 29 - Sep 6