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Cheap flights from St Louis (STL) to Mexico City (MEX)

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1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
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How to find the cheapest flight from St Louis (STL) to Mexico City (MEX)

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

31 Dec - 16 Jan $ 525.00
STL
St Louis
Frontier Airlines
1 STOPS
MEX
Mexico City
MEX
Mexico City
Frontier Airlines
1 STOPS
STL
St Louis
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31 Dec - 23 Jan $ 530.00
STL
St Louis
Frontier Airlines
1 STOPS
MEX
Mexico City
MEX
Mexico City
Frontier Airlines
1 STOPS
STL
St Louis
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31 Dec - 16 Jan $ 536.00
STL
St Louis
Frontier Airlines
1 STOPS
MEX
Mexico City
MEX
Mexico City
Frontier Airlines
1 STOPS
STL
St Louis
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Last minute flights from St Louis to Mexico City

25 Dec - 31 Dec $ 760.00
STL
St Louis
Frontier Airlines
1 STOPS
MEX
Mexico City
MEX
Mexico City
Frontier Airlines
1 STOPS
STL
St Louis
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30 Dec - 31 Dec $ 767.00
STL
St Louis
Frontier Airlines
1 STOPS
MEX
Mexico City
MEX
Mexico City
Frontier Airlines
1 STOPS
STL
St Louis
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30 Dec - 31 Dec $ 784.00
STL
St Louis
Frontier Airlines
1 STOPS
MEX
Mexico City
MEX
Mexico City
Frontier Airlines
1 STOPS
STL
St Louis
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One-way flights to Mexico City from St Louis

6:00 AM - 2:59 PM
Volaris
1 Stops
10h 20m
STL - MEX
$ 300
Kiwi
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9:00 AM - 9:42 PM
United Airlines
2 Stops
15h 10m
STL - MEX
$ 405
Kiwi
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2:45 PM - 6:00 PM
United Airlines
1 Stops
7h 45m
STL - MEX
$ 428
Kiwi
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How to find the cheapest flight from St Louis (STL) to Mexico City (MEX)

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