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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 February , March 2026

27 Feb - 03 Mar $ 376.00
ONT
Ontario
United Airlines
1 STOPS
PIT
Pittsburgh
PIT
Pittsburgh
United Airlines
1 STOPS
ONT
Ontario
Pick dates
15 Feb - 10 Mar $ 663.00
ONT
Ontario
Alaska Airlines
1 STOPS
PIT
Pittsburgh
PIT
Pittsburgh
Alaska Airlines
1 STOPS
ONT
Ontario
Pick dates
16 Feb - 09 Mar $ 677.00
ONT
Ontario
Alaska Airlines
1 STOPS
PIT
Pittsburgh
PIT
Pittsburgh
Alaska Airlines
2 STOPS
ONT
Ontario
Pick dates

Last minute flights from Ontario to Pittsburgh

21 Feb - 28 Feb $ 636.00
ONT
Ontario
United Airlines
1 STOPS
PIT
Pittsburgh
PIT
Pittsburgh
United Airlines
1 STOPS
ONT
Ontario
Pick dates
21 Feb - 28 Feb $ 636.00
ONT
Ontario
United Airlines
1 STOPS
PIT
Pittsburgh
PIT
Pittsburgh
United Airlines
1 STOPS
ONT
Ontario
Pick dates
21 Feb - 28 Feb $ 636.00
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

1:45 PM - 5:55 PM
United Airlines
1 Stops
6h 12m
ONT - PIT
$ 179
Kiwi
Pick dates
8:36 AM - 9:02 PM
Spirit Airlines
3 Stops
36h 8m
ONT - PIT
$ 384
Kiwi
Pick dates
1:45 PM - 5:55 PM
United Airlines
1 Stops
6h 12m
ONT - PIT
$ 441
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.