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

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0 Children (2~11)
0 Infants (0~2)
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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 September , October 2026

29 Sep - 29 Oct $ 484.00
ONT
Ontario
Alaska Airlines
1 STOPS
EWR
Newark
EWR
Newark
Alaska Airlines
1 STOPS
ONT
Ontario
Pick dates
29 Sep - 02 Oct $ 602.00
ONT
Ontario
Frontier Airlines
1 STOPS
EWR
Newark
EWR
Newark
Frontier Airlines
1 STOPS
ONT
Ontario
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29 Sep - 11 Oct $ 1,147.00
ONT
Ontario
United Airlines
1 STOPS
EWR
Newark
EWR
Newark
United Airlines
1 STOPS
ONT
Ontario
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Last minute flights from Ontario to Newark

29 Sep - 30 Sep $ 648.00
ONT
Ontario
Alaska Airlines
1 STOPS
EWR
Newark
EWR
Newark
Alaska Airlines
1 STOPS
ONT
Ontario
Pick dates
29 Sep - 30 Sep $ 714.00
ONT
Ontario
United Airlines
1 STOPS
EWR
Newark
EWR
Newark
United Airlines
1 STOPS
ONT
Ontario
Pick dates
29 Sep - 30 Sep $ 721.00
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

6:02 AM - 9:55 AM
Alaska Airlines
1 Stops
9h 27m
ONT - EWR
$ 292
Kiwi
Pick dates
6:02 AM - 9:55 AM
Alaska Airlines
1 Stops
9h 27m
ONT - EWR
$ 298
Kiwi
Pick dates
7:00 AM - 1:55 PM
United Airlines
1 Stops
7h 18m
ONT - EWR
$ 551
Kiwi
Pick dates

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

Related info for your journey
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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.