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Cheap flights from Ontario (ONT) to Newark (EWR)

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How to find the cheapest flight from Ontario (ONT) to Newark (EWR)

How to find the cheapest flight from Ontario (ONT) to Newark (EWR)
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How to find the cheapest flight from Ontario (ONT) to Newark (EWR)
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How to find the cheapest flight from Ontario (ONT) to Newark (EWR)
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Cheap flights from Ontario to Newark in April , May 2026

29 Apr - 09 May $ 234.00
ONT
Ontario
Frontier Airlines
1 STOPS
EWR
Newark
EWR
Newark
Frontier Airlines
2 STOPS
ONT
Ontario
Pick dates
15 Apr - 05 May $ 423.00
ONT
Ontario
Alaska Airlines
1 STOPS
EWR
Newark
EWR
Newark
Alaska Airlines
1 STOPS
ONT
Ontario
Pick dates
15 Apr - 09 May $ 423.00
ONT
Ontario
Alaska Airlines
1 STOPS
EWR
Newark
EWR
Newark
Alaska Airlines
1 STOPS
ONT
Ontario
Pick dates

Last minute flights from Ontario to Newark

29 Apr - 30 Apr $ 278.00
ONT
Ontario
Frontier Airlines
1 STOPS
EWR
Newark
EWR
Newark
Frontier Airlines
1 STOPS
ONT
Ontario
Pick dates
15 Apr - 30 Apr $ 425.00
ONT
Ontario
Alaska Airlines
1 STOPS
EWR
Newark
EWR
Newark
Alaska Airlines
1 STOPS
ONT
Ontario
Pick dates
15 Apr - 30 Apr $ 2,093.00
ONT
Ontario
United Airlines
1 STOPS
EWR
Newark
EWR
Newark
United Airlines
1 STOPS
ONT
Ontario
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One-way flights to Newark from Ontario

7:44 PM - 11:00 PM
Spirit Airlines
1 Stops
8h 13m
ONT - EWR
$ 108
Kiwi
Pick dates
10:33 AM - 2:50 PM
Alaska Airlines
1 Stops
9h 38m
ONT - EWR
$ 229
Kiwi
Pick dates
1:34 PM - 5:47 PM
United Airlines
1 Stops
7h 10m
ONT - EWR
$ 264
Kiwi
Pick dates

How to find the cheapest flight from Ontario (ONT) to Newark (EWR)

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How to find the cheapest flight from Ontario (ONT) to Newark (EWR)
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 Newark (EWR)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.