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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 $485 2 $436 3 $436 4 $436 5 $407 6 $382
7 $407 8
$407
9 $372 10 $410 11 $399 12 $398 13 $401
14
$401
15
$401
16 $407 17
$407
18 $428 19
$428
20 $410
21
$410
22 $376 23
$376
24 $399 25 $399 26 $399 27 $399
28 $404 29
$404
30 $384        
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 6:15 am 9:13 am Aug 22 - Sep 6