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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 October , November 2026

29 Oct - 24 Nov $ 441.00
ONT
Ontario
Frontier Airlines
2 STOPS
PIT
Pittsburgh
PIT
Pittsburgh
Frontier Airlines
2 STOPS
ONT
Ontario
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29 Oct - 09 Nov $ 745.00
ONT
Ontario
Alaska Airlines
1 STOPS
PIT
Pittsburgh
PIT
Pittsburgh
Alaska Airlines
1 STOPS
ONT
Ontario
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27 Oct - 09 Nov $ 873.00
ONT
Ontario
Alaska Airlines
2 STOPS
PIT
Pittsburgh
PIT
Pittsburgh
Alaska Airlines
1 STOPS
ONT
Ontario
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Last minute flights from Ontario to Pittsburgh

29 Oct - 31 Oct $ 573.00
ONT
Ontario
Frontier Airlines
2 STOPS
PIT
Pittsburgh
PIT
Pittsburgh
Frontier Airlines
3 STOPS
ONT
Ontario
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29 Oct - 31 Oct $ 1,082.00
ONT
Ontario
United Airlines
1 STOPS
PIT
Pittsburgh
PIT
Pittsburgh
United Airlines
1 STOPS
ONT
Ontario
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29 Oct - 31 Oct $ 1,086.00
ONT
Ontario
United Airlines
1 STOPS
PIT
Pittsburgh
PIT
Pittsburgh
United Airlines
1 STOPS
ONT
Ontario
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One-way flights to Pittsburgh from Ontario

6:25 AM - 4:34 PM
Allegiant Air
2 Stops
9h 36m
ONT - PIT
$ 241
Kiwi
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5:00 AM - 9:35 AM
United Airlines
1 Stops
6h 36m
ONT - PIT
$ 538
Kiwi
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1:32 PM - 5:45 PM
United Airlines
1 Stops
6h 15m
ONT - PIT
$ 540
Kiwi
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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.