CA $248 Cheap Delta fights from Ontario (ONT) to San Jose (SJC)

View CA $248 flight on Thu, Oct. 2, 2025Opens in a new window

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Delta flights from Ontario to San Jose (ONT→SJC)

Prices were available within the past 7 days and start at CA $248 for one-way flights and CA $360 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, Aug. 6 - Tue, Aug. 26
ONT
Ontario
SJC
San Jose
CA $360 Roundtrip, found 6 days ago
CA $360
Roundtrip
found 6 days ago
Select Delta flight, departing Wed, Aug. 6 from Ontario to San Jose, returning Tue, Aug. 26, priced at CA $360 found 6 days ago
Delta
Wed, Aug. 20 - Mon, Sep. 8
ONT
Ontario
SJC
San Jose
CA $374 Roundtrip, found 6 days ago
CA $374
Roundtrip
found 6 days ago
Select Delta flight, departing Wed, Aug. 20 from Ontario to San Jose, returning Mon, Sep. 8, priced at CA $374 found 6 days ago
Delta
Tue, Aug. 12 - Thu, Sep. 4
ONT
Ontario
SJC
San Jose
CA $381 Roundtrip, found 6 days ago
CA $381
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, Aug. 12 from Ontario to San Jose, returning Thu, Sep. 4, priced at CA $381 found 6 days ago
Delta
Sat, Nov. 1 - Wed, Nov. 19
ONT
Ontario
SJC
San Jose
CA $388 Roundtrip, found 6 days ago
CA $388
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, Nov. 1 from Ontario to San Jose, returning Wed, Nov. 19, priced at CA $388 found 6 days ago
Delta
Fri, Aug. 22 - Mon, Sep. 8
ONT
Ontario
SJC
San Jose
CA $408 Roundtrip, found 6 days ago
CA $408
Roundtrip
found 6 days ago
Select Delta flight, departing Fri, Aug. 22 from Ontario to San Jose, returning Mon, Sep. 8, priced at CA $408 found 6 days ago
Delta
Mon, Aug. 11 - Tue, Aug. 26
ONT
Ontario
SJC
San Jose
CA $422 Roundtrip, found 6 days ago
CA $422
Roundtrip
found 6 days ago
Select Delta flight, departing Mon, Aug. 11 from Ontario to San Jose, returning Tue, Aug. 26, priced at CA $422 found 6 days ago
Delta
Fri, Nov. 7 - Tue, Nov. 18
ONT
Ontario
SJC
San Jose
CA $424 Roundtrip, found 6 days ago
CA $424
Roundtrip
found 6 days ago
Select Delta flight, departing Fri, Nov. 7 from Ontario to San Jose, returning Tue, Nov. 18, priced at CA $424 found 6 days ago
Delta
Wed, Aug. 6 - Fri, Aug. 22
ONT
Ontario
SJC
San Jose
CA $430 Roundtrip, found 6 days ago
CA $430
Roundtrip
found 6 days ago
Select Delta flight, departing Wed, Aug. 6 from Ontario to San Jose, returning Fri, Aug. 22, priced at CA $430 found 6 days ago
Delta
Sat, Aug. 30 - Mon, Sep. 15
ONT
Ontario
SJC
San Jose
CA $431 Roundtrip, found 6 days ago
CA $431
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, Aug. 30 from Ontario to San Jose, returning Mon, Sep. 15, priced at CA $431 found 6 days ago
Delta
Sat, Nov. 8 - Thu, Nov. 27
ONT
Ontario
SJC
San Jose
CA $443 Roundtrip, found 6 days ago
CA $443
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, Nov. 8 from Ontario to San Jose, returning Thu, Nov. 27, priced at CA $443 found 6 days ago
Flight from Ontario to San Jose (ONT - SJC) route information
Origin airport
Los Angeles - Ontario Intl.
Destination airport
Norman Y. Mineta San Jose Intl.
Distance
534 km
Average flight time
1 hour 10 mins
*Available to Expedia members.