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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 May , June 2026

30 May - 10 Jun $ 468.00
ONT
Ontario
Alaska Airlines
1 STOPS
EWR
Newark
EWR
Newark
Alaska Airlines
1 STOPS
ONT
Ontario
Pick dates
30 May - 06 Jun $ 468.00
ONT
Ontario
Alaska Airlines
1 STOPS
EWR
Newark
EWR
Newark
Alaska Airlines
1 STOPS
ONT
Ontario
Pick dates
22 May - 19 Jun $ 807.00
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

27 May - 31 May $ 548.00
ONT
Ontario
Alaska Airlines
1 STOPS
EWR
Newark
EWR
Newark
Alaska Airlines
1 STOPS
ONT
Ontario
Pick dates
27 May - 31 May $ 548.00
ONT
Ontario
Alaska Airlines
1 STOPS
EWR
Newark
EWR
Newark
Alaska Airlines
1 STOPS
ONT
Ontario
Pick dates
30 May - 31 May $ 614.00
ONT
Ontario
Alaska Airlines
1 STOPS
EWR
Newark
EWR
Newark
Alaska Airlines
1 STOPS
ONT
Ontario
Pick dates

One-way flights to Newark from Ontario

6:00 AM - 9:59 AM
Alaska Airlines
1 Stops
9h 26m
ONT - EWR
$ 250
Kiwi
Pick dates
6:00 AM - 9:59 AM
Alaska Airlines
1 Stops
9h 26m
ONT - EWR
$ 253
Kiwi
Pick dates
1:18 PM - 5:50 PM
United Airlines
1 Stops
7h 26m
ONT - EWR
$ 309
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.