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

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0 Children (2~11)
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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 December 2025 , January 2026

25 Dec - 08 Jan $ 433.00
ONT
Ontario
United Airlines
1 STOPS
EWR
Newark
EWR
Newark
United Airlines
1 STOPS
ONT
Ontario
Pick dates
25 Dec - 06 Jan $ 488.00
ONT
Ontario
Alaska Airlines
1 STOPS
EWR
Newark
EWR
Newark
Alaska Airlines
2 STOPS
ONT
Ontario
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17 Dec - 18 Jan $ 665.00
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

25 Dec - 01 Jan $ 400.00
ONT
Ontario
Frontier Airlines
2 STOPS
EWR
Newark
EWR
Newark
Frontier Airlines
2 STOPS
ONT
Ontario
Pick dates
24 Dec - 31 Dec $ 640.00
ONT
Ontario
United Airlines
1 STOPS
EWR
Newark
EWR
Newark
United Airlines
1 STOPS
ONT
Ontario
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23 Dec - 31 Dec $ 677.00
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

1:40 PM - 5:50 PM
United Airlines
1 Stops
6h 56m
ONT - EWR
$ 217
Kiwi
Pick dates
11:59 PM - 7:10 AM
United Airlines
1 Stops
7h 27m
ONT - EWR
$ 217
Kiwi
Pick dates
1:40 PM - 5:50 PM
United Airlines
1 Stops
6h 56m
ONT - EWR
$ 254
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.