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

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0 Children (2~11)
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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 March , April 2026

30 Mar - 13 Apr $ 457.00
ONT
Ontario
United Airlines
1 STOPS
PIT
Pittsburgh
PIT
Pittsburgh
United Airlines
1 STOPS
ONT
Ontario
Pick dates
30 Mar - 13 Apr $ 457.00
ONT
Ontario
United Airlines
1 STOPS
PIT
Pittsburgh
PIT
Pittsburgh
United Airlines
1 STOPS
ONT
Ontario
Pick dates
30 Mar - 13 Apr $ 457.00
ONT
Ontario
United Airlines
1 STOPS
PIT
Pittsburgh
PIT
Pittsburgh
United Airlines
1 STOPS
ONT
Ontario
Pick dates

Last minute flights from Ontario to Pittsburgh

25 Mar - 01 Apr $ 446.00
ONT
Ontario
Frontier Airlines
3 STOPS
PIT
Pittsburgh
PIT
Pittsburgh
Frontier Airlines
3 STOPS
ONT
Ontario
Pick dates
25 Mar - 01 Apr $ 467.00
ONT
Ontario
Frontier Airlines
3 STOPS
PIT
Pittsburgh
PIT
Pittsburgh
Frontier Airlines
2 STOPS
ONT
Ontario
Pick dates
25 Mar - 31 Mar $ 540.00
ONT
Ontario
Frontier Airlines
3 STOPS
PIT
Pittsburgh
PIT
Pittsburgh
Frontier Airlines
3 STOPS
ONT
Ontario
Pick dates

One-way flights to Pittsburgh from Ontario

6:00 AM - 10:53 AM
Alaska Airlines
1 Stops
9h 28m
ONT - PIT
$ 178
Kiwi
Pick dates
11:59 PM - 7:10 AM
United Airlines
1 Stops
6h 42m
ONT - PIT
$ 451
Kiwi
Pick dates
11:59 PM - 7:10 AM
United Airlines
1 Stops
6h 42m
ONT - PIT
$ 452
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.