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Cheap flights from Ontario (ONT) to San Jose (SJC)

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0 Children (2~11)
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How to find the cheapest flight from Ontario (ONT) to San Jose (SJC)

How to find the cheapest flight from Ontario (ONT) to San Jose (SJC)
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How to find the cheapest flight from Ontario (ONT) to San Jose (SJC)
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How to find the cheapest flight from Ontario (ONT) to San Jose (SJC)
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Cheap flights from Ontario to San Jose in November , December 2025

24 Nov - 14 Dec $ 390.00
ONT
Ontario
Frontier Airlines
1 STOPS
SJC
San Jose
SJC
San Jose
Frontier Airlines
1 STOPS
ONT
Ontario
Pick dates
28 Nov - 10 Dec $ 585.00
ONT
Ontario
Alaska Airlines
1 STOPS
SJC
San Jose
SJC
San Jose
Alaska Airlines
2 STOPS
ONT
Ontario
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20 Nov - 10 Dec $ 853.00
ONT
Ontario
Hawaiian Airlines
1 STOPS
SJC
San Jose
SJC
San Jose
Hawaiian Airlines
1 STOPS
ONT
Ontario
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Last minute flights from Ontario to San Jose

24 Nov - 30 Nov $ 546.00
ONT
Ontario
Frontier Airlines
1 STOPS
SJC
San Jose
SJC
San Jose
Frontier Airlines
1 STOPS
ONT
Ontario
Pick dates
28 Nov - 01 Dec $ 1,286.00
ONT
Ontario
Hawaiian Airlines
1 STOPS
SJC
San Jose
SJC
San Jose
Hawaiian Airlines
1 STOPS
ONT
Ontario
Pick dates
20 Nov - 30 Nov $ 1,702.00
ONT
Ontario
Hawaiian Airlines
1 STOPS
SJC
San Jose
SJC
San Jose
Hawaiian Airlines
1 STOPS
ONT
Ontario
Pick dates

One-way flights to San Jose from Ontario

6:30 AM - 2:12 PM
Frontier Airlines
1 Stops
9h 25m
ONT - SJC
$ 274
Kiwi
Pick dates
6:00 AM - 11:27 AM
Hawaiian Airlines
1 Stops
7h 40m
ONT - SJC
$ 467
Kiwi
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7:00 AM - 10:45 AM
Hawaiian Airlines
1 Stops
5h 35m
ONT - SJC
$ 540
Kiwi
Pick dates

How to find the cheapest flight from Ontario (ONT) to San Jose (SJC)

Related info for your journey
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How to find the cheapest flight from Ontario (ONT) to San Jose (SJC)
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 San Jose (SJC)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.