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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 June , July 2026

30 Jun - 04 Jul $ 571.00
ONT
Ontario
United Airlines
1 STOPS
PIT
Pittsburgh
PIT
Pittsburgh
United Airlines
1 STOPS
ONT
Ontario
Pick dates
19 Jun - 06 Jul $ 893.00
ONT
Ontario
Alaska Airlines
1 STOPS
PIT
Pittsburgh
PIT
Pittsburgh
Alaska Airlines
2 STOPS
ONT
Ontario
Pick dates
17 Jun - 02 Jul $ 952.00
ONT
Ontario
Alaska Airlines
1 STOPS
PIT
Pittsburgh
PIT
Pittsburgh
Alaska Airlines
1 STOPS
ONT
Ontario
Pick dates

Last minute flights from Ontario to Pittsburgh

29 Jun - 30 Jun $ 606.00
ONT
Ontario
United Airlines
1 STOPS
PIT
Pittsburgh
PIT
Pittsburgh
United Airlines
1 STOPS
ONT
Ontario
Pick dates
16 Jun - 30 Jun $ 811.00
ONT
Ontario
United Airlines
1 STOPS
PIT
Pittsburgh
PIT
Pittsburgh
United Airlines
1 STOPS
ONT
Ontario
Pick dates
16 Jun - 30 Jun $ 811.00
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

6:10 AM - 2:25 PM
United Airlines
1 Stops
8h
ONT - PIT
$ 254
Kiwi
Pick dates
1:18 PM - 5:38 PM
United Airlines
1 Stops
6h 27m
ONT - PIT
$ 499
Kiwi
Pick dates
5:26 PM - 10:37 PM
Alaska Airlines
1 Stops
9h 44m
ONT - PIT
$ 499
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.