Cheap flights from California to Ontario

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The city of Ontario has been considered as the fastest growing city in the state of California in the United States of America. The small city with its wonderful temperature and steady economic development has been able attract a lot of people to this area. The city has temperatures similar to that of the Mediterranean region with moderate temperatures and lower amount of humidity throughout the year. The rainfall in the region is also moderate and mostly you can find clear skies with bright... (read more in our Ontario Travel Guide)

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Cheapest flights found for the next 6 months

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Sacramento 

Check our newest flight offers to Ontario:

  • $113Southwest Airlines flight Southwest Airlines 
    FromToDepartureTime
    Oakland, CA (OAK)Ontario, CA (ONT)02/16/201706:35 am
    Ontario, CA (ONT)Oakland, CA (OAK)03/03/201709:20 am
    flyfar.ca check price
  • $114Southwest Airlines flight Southwest Airlines 
    FromToDepartureTime
    Oakland, CA (OAK)Ontario, CA (ONT)02/16/201706:35 am
    Ontario, CA (ONT)Oakland, CA (OAK)03/03/201709:20 am
    flightnetwork.com check price
  • $123Southwest Airlines flight Southwest Airlines 
    FromToDepartureTime
    San Jose, CA (SJC)Ontario, CA (ONT)02/22/201710:05 am
    Ontario, CA (ONT)San Jose, CA (SJC)03/15/201709:35 am
    flyfar.ca check price
  • $134Southwest Airlines flight Southwest Airlines 
    FromToDepartureTime
    Sacramento, CA (SMF)Ontario, CA (ONT)03/03/201706:20 am
    Ontario, CA (ONT)Sacramento, CA (SMF)03/18/201708:25 pm
    flightnetwork.com check price
  • $143United Airlines flight United Airlines 
    FromToDepartureTime
    San Francisco, CA (SFO)Ontario, CA (ONT)02/16/201706:00 am
    Ontario, CA (ONT)San Francisco, CA (SFO)03/03/201707:16 pm
    faredepot.com check price
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