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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 June , July 2026

29 Jun - 04 Jul $ 604.00
ONT
Ontario
United Airlines
1 STOPS
BUF
Buffalo
BUF
Buffalo
United Airlines
1 STOPS
ONT
Ontario
Pick dates
15 Jun - 08 Jul $ 697.00
ONT
Ontario
JetBlue Airways
1 STOPS
BUF
Buffalo
BUF
Buffalo
JetBlue Airways
1 STOPS
ONT
Ontario
Pick dates
11 Jun - 04 Jul $ 887.00
ONT
Ontario
JetBlue Airways
1 STOPS
BUF
Buffalo
BUF
Buffalo
JetBlue Airways
1 STOPS
ONT
Ontario
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Last minute flights from Ontario to Buffalo

26 Jun - 30 Jun $ 595.00
ONT
Ontario
Frontier Airlines
2 STOPS
BUF
Buffalo
BUF
Buffalo
Frontier Airlines
2 STOPS
ONT
Ontario
Pick dates
15 Jun - 30 Jun $ 974.00
ONT
Ontario
JetBlue Airways
1 STOPS
BUF
Buffalo
BUF
Buffalo
JetBlue Airways
1 STOPS
ONT
Ontario
Pick dates
11 Jun - 30 Jun $ 1,148.00
ONT
Ontario
JetBlue Airways
1 STOPS
BUF
Buffalo
BUF
Buffalo
JetBlue Airways
1 STOPS
ONT
Ontario
Pick dates

One-way flights to Buffalo from Ontario

1:18 PM - 5:33 PM
United Airlines
1 Stops
6h 33m
ONT - BUF
$ 299
Kiwi
Pick dates
11:58 PM - 1:25 PM
JetBlue Airways
1 Stops
11h 57m
ONT - BUF
$ 468
Kiwi
Pick dates
1:18 PM - 5:40 PM
United Airlines
1 Stops
6h 40m
ONT - BUF
$ 499
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.