Flights from San Jose to Ontario

Our cheapest offers for flights from San Jose to Ontario

Here you can compare cheap flights from San Jose (SJC) to Ontario (ONT) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Ontario. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
San Jose
Ontario
Outbound
04/29/25
2 Stopovers (SAN, LAS)
AS3377, AS3427, F91283
15h 08min
Return
05/08/25
1 Stopover (LAS)
F94758, F91589
20h 26min
Alaska Airlines, Frontier Airlines ?
$241
Best option
San Jose
Ontario
Outbound
07/25/25
1 Stopover (LAS)
F94104, F92231
06h 34min
Return
08/17/25
1 Stopover (DEN)
F91500, F94917
10h 23min
Frontier Airlines
$262
San Jose
Ontario
Outbound
07/25/25
1 Stopover (LAS)
F94104, F92231
06h 34min
Return
08/17/25
1 Stopover (DEN)
F91500, F94917
10h 23min
Frontier Airlines
$273
San Jose
Ontario
Outbound
09/19/25
1 Stopover (PHX)
AA1358, AA2661
05h 25min
Return
09/29/25
1 Stopover (PHX)
AA2738, AA1537
05h 13min
American Airlines ?
$357
San Jose
Ontario
Outbound
04/29/25
1 Stopover (PHX)
AA1257, AA6475
06h 12min
Return
05/08/25
1 Stopover (PHX)
AA1194, AA1880
05h 57min
American Airlines ?
$368
San Jose
Ontario
Outbound
09/19/25
1 Stopover (PHX)
AA1358, AA2661
05h 25min
Return
09/29/25
1 Stopover (PHX)
AA2738, AA1537
05h 13min
American Airlines ?
$385
San Jose
Ontario
Outbound
04/29/25
1 Stopover (PHX)
AA4969, AA1666
05h 37min
Return
05/08/25
1 Stopover (PHX)
AA1194, AA1880
05h 57min
American Airlines ?
$410
San Jose
Ontario
Outbound
09/19/25
1 Stopover (PHX)
AA1358, AA2661
05h 25min
Return
09/29/25
1 Stopover (PHX)
AA2738, AA1537
05h 13min
American Airlines ?
$413
San Jose
Ontario
Outbound
07/25/25
1 Stopover (PHX)
AA1694, AA3203
06h 00min
Return
08/17/25
1 Stopover (PHX)
AA2661, AA2094
04h 54min
American Airlines ?
$417
San Jose
Ontario
Outbound
07/25/25
1 Stopover (PHX)
AA1694, AA3203
06h 00min
Return
08/17/25
1 Stopover (PHX)
AA2661, AA2094
04h 54min
American Airlines ?
$436
Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from San Jose to Ontario

Favorite airline: e.g. American Airlines, Alaska Airlines, Spirit Airlines
American Airlines is the most popular airline for flights from San Jose to Ontario.
American Airlines
29 %
Alaska Airlines
29 %
Spirit Airlines
29 %
Favourite connection: via Phoenix - Sky Harbor
When booking flights from San Jose to Ontario 67 % of travelers prefer to fly via Phoenix - Sky Harbor.
Route
bookings
1 stopover Phoenix - Sky Harbor International Airport
05h 40min, from 451 $
67 %
1 stopover Seattle-Tacoma International Airport, WA
13h 34min, from 327 $
33 %

Important flight information

Flight information: San Jose - Ontario

Roundtrip from 240,63 $
Flight duration min. 01:10 / max. 12:15
Return flight duration min. 01:10/ max. 01:15
Distance 537 km
Flights per week 38
Departure airport Airport San Jose International Airport, CA (SJC)
Arrival airport Airport Ontario-CA (ONT)
Destination country Flights to United States
Alternative routes to United States
Alternative flights to Ontario
Flight destinations with a similar price
Flight destinations with a similar price