Cheap flights from Pennsylvania to Ontario, CA

Travel > North America > United States > Pennsylvania to Ontario, CA flights

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Cheapest flights found for the next 6 months

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Philadelphia 

Check our newest flight offers to Ontario, CA:

  • $312Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Philadelphia, PA (PHL)Ontario, CA (ONT)08/22/201812:35 pm
    Ontario, CA (ONT)Philadelphia, PA (PHL)09/12/201807:30 pm
    cheapoair.com check price
  • $312Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Philadelphia, PA (PHL)Ontario, CA (ONT)08/15/201812:35 pm
    Ontario, CA (ONT)Philadelphia, PA (PHL)08/29/201807:37 pm
    cheapoair.com check price
  • $402Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Philadelphia, PA (PHL)Ontario, CA (ONT)07/27/201812:52 pm
    Ontario, CA (ONT)Philadelphia, PA (PHL)08/04/201807:26 pm
    cheapoair.com check price
  • $422Multiple Airlines flight Multiple Airlines 
    FromToDepartureTime
    Philadelphia, PA (PHL)Ontario, CA (ONT)08/22/201812:35 pm
    Ontario, CA (ONT)Philadelphia, PA (PHL)09/12/201811:59 pm
    cheapoair.com check price
  • $438United Airlines flight United Airlines 
    FromToDepartureTime
    Philadelphia, PA (PHL)Ontario, CA (ONT)08/22/201806:00 am
    Ontario, CA (ONT)Philadelphia, PA (PHL)09/12/201801:35 pm
    flightnetwork.com check price
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