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Cheap flights from Ontario (ONT) to Pittsburgh (PIT)

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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 Ontario (ONT) to Pittsburgh (PIT)

How to find the cheapest flight from Ontario (ONT) to Pittsburgh (PIT)
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How to find the cheapest flight from Ontario (ONT) to Pittsburgh (PIT)
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How to find the cheapest flight from Ontario (ONT) to Pittsburgh (PIT)
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Cheap flights from Ontario to Pittsburgh in May , June 2026

28 May - 04 Jun $ 537.00
ONT
Ontario
Alaska Airlines
1 STOPS
PIT
Pittsburgh
PIT
Pittsburgh
Alaska Airlines
1 STOPS
ONT
Ontario
Pick dates
29 May - 09 Jun $ 546.00
ONT
Ontario
United Airlines
1 STOPS
PIT
Pittsburgh
PIT
Pittsburgh
United Airlines
1 STOPS
ONT
Ontario
Pick dates
28 May - 04 Jun $ 7,687.00
ONT
Ontario
Alaska Airlines
1 STOPS
PIT
Pittsburgh
PIT
Pittsburgh
Alaska Airlines
2 STOPS
ONT
Ontario
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Last minute flights from Ontario to Pittsburgh

28 May - 31 May $ 737.00
ONT
Ontario
Alaska Airlines
1 STOPS
PIT
Pittsburgh
PIT
Pittsburgh
Alaska Airlines
1 STOPS
ONT
Ontario
Pick dates
29 May - 31 May $ 792.00
ONT
Ontario
United Airlines
1 STOPS
PIT
Pittsburgh
PIT
Pittsburgh
United Airlines
1 STOPS
ONT
Ontario
Pick dates
27 May - 31 May $ 792.00
ONT
Ontario
United Airlines
1 STOPS
PIT
Pittsburgh
PIT
Pittsburgh
United Airlines
1 STOPS
ONT
Ontario
Pick dates

One-way flights to Pittsburgh from Ontario

1:18 PM - 5:38 PM
United Airlines
1 Stops
6h 27m
ONT - PIT
$ 239
Kiwi
Pick dates
5:45 AM - 12:00 PM
United Airlines
1 Stops
7h 11m
ONT - PIT
$ 239
Kiwi
Pick dates
1:18 PM - 5:38 PM
United Airlines
1 Stops
6h 27m
ONT - PIT
$ 344
Kiwi
Pick dates

How to find the cheapest flight from Ontario (ONT) to Pittsburgh (PIT)

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