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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 $327 2 $334 3 $327
4 $327 5 $327 6 $327 7 $327 8 $356 9 $355 10 $327
11 $327 12 $327 13 $327 14 $327 15 $356 16 $355 17 $376
18 $409 19 $407 20 $327 21 $327 22 $425 23 $426 24 $425
25 $408 26 $407 27 $327 28 $356 29 $327 30 $363 31 $410
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 6:20 am 9:18 am Apr 23 - May 26
16 6:20 am 9:18 am May 27 - Jun 12
10 12:00 pm 2:59 pm May 24 - Jun 7