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Cheap flights from St Louis (STL) to Cancun (CUN)

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0 Children (2~11)
0 Infants (0~2)
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How to find the cheapest flight from St Louis (STL) to Cancun (CUN)

How to find the cheapest flight from St Louis (STL) to Cancun (CUN)
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How to find the cheapest flight from St Louis (STL) to Cancun (CUN)
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How to find the cheapest flight from St Louis (STL) to Cancun (CUN)
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Cheap flights from St Louis to Cancun in December 2025 , January 2026

31 Dec - 16 Jan $ 350.00
STL
St Louis
Frontier Airlines
1 STOPS
CUN
Cancun
CUN
Cancun
Frontier Airlines
DIRECT
STL
St Louis
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20 Dec - 10 Jan $ 455.00
STL
St Louis
Frontier Airlines
DIRECT
CUN
Cancun
CUN
Cancun
Frontier Airlines
DIRECT
STL
St Louis
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23 Dec - 10 Jan $ 723.00
STL
St Louis
Frontier Airlines
1 STOPS
CUN
Cancun
CUN
Cancun
Frontier Airlines
DIRECT
STL
St Louis
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Last minute flights from St Louis to Cancun

22 Dec - 31 Dec $ 475.00
STL
St Louis
United Airlines
1 STOPS
CUN
Cancun
CUN
Cancun
United Airlines
1 STOPS
STL
St Louis
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28 Dec - 31 Dec $ 545.00
STL
St Louis
Frontier Airlines
DIRECT
CUN
Cancun
CUN
Cancun
Frontier Airlines
DIRECT
STL
St Louis
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20 Dec - 31 Dec $ 558.00
STL
St Louis
Frontier Airlines
DIRECT
CUN
Cancun
CUN
Cancun
Frontier Airlines
DIRECT
STL
St Louis
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One-way flights to Cancun from St Louis

7:00 AM - 12:31 PM
AeroMéxico
1 Stops
7h 20m
STL - CUN
$ 178
Kiwi
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6:00 AM - 9:34 AM
United Airlines
1 Stops
5h 54m
STL - CUN
$ 219
Kiwi
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6:00 AM - 6:00 AM
Frontier Airlines
0 Stops
3h 23m
STL - CUN
$ 266
Kiwi
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How to find the cheapest flight from St Louis (STL) to Cancun (CUN)

Related info for your journey
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How to find the cheapest flight from St Louis (STL) to Cancun (CUN)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from St Louis (STL) to Cancun (CUN)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.