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Cheap flights from Ontario (ONT) to Buffalo (BUF)

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0 Children (2~11)
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How to find the cheapest flight from Ontario (ONT) to Buffalo (BUF)

How to find the cheapest flight from Ontario (ONT) to Buffalo (BUF)
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How to find the cheapest flight from Ontario (ONT) to Buffalo (BUF)
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How to find the cheapest flight from Ontario (ONT) to Buffalo (BUF)
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Cheap flights from Ontario to Buffalo in April , May 2026

28 Apr - 13 May $ 215.00
ONT
Ontario
Frontier Airlines
2 STOPS
BUF
Buffalo
BUF
Buffalo
Frontier Airlines
2 STOPS
ONT
Ontario
Pick dates
28 Apr - 14 May $ 232.00
ONT
Ontario
Frontier Airlines
2 STOPS
BUF
Buffalo
BUF
Buffalo
Frontier Airlines
2 STOPS
ONT
Ontario
Pick dates
28 Apr - 09 May $ 238.00
ONT
Ontario
Frontier Airlines
2 STOPS
BUF
Buffalo
BUF
Buffalo
Frontier Airlines
2 STOPS
ONT
Ontario
Pick dates

Last minute flights from Ontario to Buffalo

28 Apr - 01 May $ 289.00
ONT
Ontario
Frontier Airlines
2 STOPS
BUF
Buffalo
BUF
Buffalo
Frontier Airlines
2 STOPS
ONT
Ontario
Pick dates
16 Apr - 30 Apr $ 753.00
ONT
Ontario
United Airlines
1 STOPS
BUF
Buffalo
BUF
Buffalo
United Airlines
1 STOPS
ONT
Ontario
Pick dates
16 Apr - 30 Apr $ 793.00
ONT
Ontario
United Airlines
1 STOPS
BUF
Buffalo
BUF
Buffalo
United Airlines
1 STOPS
ONT
Ontario
Pick dates

One-way flights to Buffalo from Ontario

7:44 PM - 10:30 AM
Frontier Airlines
2 Stops
13h 58m
ONT - BUF
$ 116
Kiwi
Pick dates
5:10 AM - 9:59 PM
United Airlines
2 Stops
15h 23m
ONT - BUF
$ 483
Kiwi
Pick dates
1:43 PM - 5:53 PM
United Airlines
1 Stops
6h 27m
ONT - BUF
$ 571
Kiwi
Pick dates

How to find the cheapest flight from Ontario (ONT) to Buffalo (BUF)

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How to find the cheapest flight from Ontario (ONT) to Buffalo (BUF)
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 Ontario (ONT) to Buffalo (BUF)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.