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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 August , September 2026

19 Aug - 16 Sep $ 465.00
ONT
Ontario
Alaska Airlines
1 STOPS
EWR
Newark
EWR
Newark
Alaska Airlines
1 STOPS
ONT
Ontario
Pick dates
18 Aug - 09 Sep $ 470.00
ONT
Ontario
Alaska Airlines
1 STOPS
EWR
Newark
EWR
Newark
Alaska Airlines
1 STOPS
ONT
Ontario
Pick dates
18 Aug - 01 Sep $ 799.00
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

19 Aug - 31 Aug $ 550.00
ONT
Ontario
Alaska Airlines
1 STOPS
EWR
Newark
EWR
Newark
Alaska Airlines
1 STOPS
ONT
Ontario
Pick dates
29 Aug - 31 Aug $ 569.00
ONT
Ontario
United Airlines
1 STOPS
EWR
Newark
EWR
Newark
United Airlines
1 STOPS
ONT
Ontario
Pick dates
18 Aug - 31 Aug $ 839.00
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

5:32 PM - 9:31 PM
Alaska Airlines
1 Stops
9h 27m
ONT - EWR
$ 281
Kiwi
Pick dates
6:00 AM - 12:02 PM
United Airlines
1 Stops
7h 40m
ONT - EWR
$ 297
Kiwi
Pick dates
1:18 PM - 6:05 PM
United Airlines
1 Stops
7h 38m
ONT - EWR
$ 335
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.