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
09/04/25
1 Stopover (DEN)
F94918, F91499
11h 33min
Return
09/28/25
1 Stopover (DEN)
F92908, F94917
17h 21min
Frontier Airlines
$190
Best option
San Jose
Ontario
Outbound
09/04/25
1 Stopover (PHX)
AA1358, AA2661
05h 25min
Return
09/28/25
1 Stopover (PHX)
AA2738, AA1537
05h 13min
American Airlines ?
$306
San Jose
Ontario
Outbound
09/04/25
1 Stopover (DEN)
F94918, F91499
11h 33min
Return
09/28/25
1 Stopover (DEN)
F92908, F94917
17h 21min
Frontier Airlines
$201
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
10/18/25
1 Stopover (PDX)
AS2240, AS1066
08h 49min
Return
11/17/25
1 Stopover (SEA)
AS0594, AS1341
14h 17min
Alaska Airlines ?
$308
San Jose
Ontario
Outbound
09/04/25
1 Stopover (PHX)
AA1358, AA2661
05h 25min
Return
09/28/25
1 Stopover (PHX)
AA2738, AA1537
05h 13min
American Airlines ?
$341
San Jose
Ontario
Outbound
09/04/25
1 Stopover (SEA)
AS1193, AS1040
15h 59min
Return
09/28/25
1 Stopover (SEA)
AS1119, AS1226
18h 07min
Alaska Airlines ?
$343
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
09/19/25
1 Stopover (PHX)
AA1358, AA2661
05h 25min
Return
09/29/25
1 Stopover (PHX)
AA2738, AA1537
05h 13min
American Airlines ?
$385
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 $189.01
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