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Cheap flights from Ontario (ONT) to Mexico City (MEX)

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0 Children (2~11)
0 Infants (0~2)
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How to find the cheapest flight from Ontario (ONT) to Mexico City (MEX)

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

29 Dec - 13 Jan $ 451.00
ONT
Ontario
Frontier Airlines
1 STOPS
MEX
Mexico City
MEX
Mexico City
Frontier Airlines
1 STOPS
ONT
Ontario
Pick dates
15 Dec - 19 Jan $ 737.00
ONT
Ontario
United Airlines
1 STOPS
MEX
Mexico City
MEX
Mexico City
United Airlines
2 STOPS
ONT
Ontario
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15 Dec - 17 Jan $ 834.00
ONT
Ontario
United Airlines
1 STOPS
MEX
Mexico City
MEX
Mexico City
United Airlines
1 STOPS
ONT
Ontario
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Last minute flights from Ontario to Mexico City

29 Dec - 31 Dec $ 618.00
ONT
Ontario
Frontier Airlines
1 STOPS
MEX
Mexico City
MEX
Mexico City
Frontier Airlines
1 STOPS
ONT
Ontario
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15 Dec - 31 Dec $ 762.00
ONT
Ontario
United Airlines
1 STOPS
MEX
Mexico City
MEX
Mexico City
United Airlines
1 STOPS
ONT
Ontario
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24 Dec - 31 Dec $ 1,214.00
ONT
Ontario
United Airlines
1 STOPS
MEX
Mexico City
MEX
Mexico City
United Airlines
1 STOPS
ONT
Ontario
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One-way flights to Mexico City from Ontario

6:00 AM - 2:25 PM
VivaAerobus
1 Stops
12h 5m
ONT - MEX
$ 241
Kiwi
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6:00 AM - 1:15 PM
United Airlines
1 Stops
11h 35m
ONT - MEX
$ 396
Kiwi
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6:04 AM - 11:55 AM
United Airlines
1 Stops
6h 16m
ONT - MEX
$ 613
Kiwi
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How to find the cheapest flight from Ontario (ONT) to Mexico City (MEX)

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