Flight Routes from San Jose to Ontario

Trip type

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.

Flight schedule from San Jose (SJC) to Ontario (ONT)

Select a travel date in the flight schedule for the route from San Jose (SJC) to Ontario (ONT) and compare affordable flight deals.

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Matching outbound flights13 of 13
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  1. August 23 – 29, 2026
  2. Aug 30 – Sep 5, 2026
  3. September 6 – 12, 2026
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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 %

      Flight information: San Jose - Ontario

      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
      Departure airport - Destination country San Jose International Airport, CA - United States
      Alternative routes to United States
      Alternative flights to Ontario