Cheap flights from District of Columbia to Ontario

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A city in the San Bernardino County in California, Ontario offers wonderful living conditions for its residents. Over the years its reputation as a significant tourist attraction has also grown considerably. The city got the name of Ontario from the famous development program of Ontario model colony that was established in the year 1882 by engineers from Canada. They had named the colony after their native province of Ontario in Canada.... (read more in our Ontario Travel Guide)

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Washington DC 

Check our newest flight offers to Ontario:

  • $259Multiple Airlines flight Multiple Airlines 
    FromToDepartureTime
    Washington DC, DC (DCA)Ontario, CA (ONT)05/12/201806:00 pm
    Ontario, CA (ONT)Washington DC, DC (DCA)05/27/201811:40 pm
    flightnetwork.com check price
  • $261Multiple Airlines flight Multiple Airlines 
    FromToDepartureTime
    Washington DC, DC (DCA)Ontario, CA (ONT)05/12/201806:00 pm
    Ontario, CA (ONT)Washington DC, DC (DCA)05/27/201811:40 pm
    flyfar.ca check price
  • $268Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Washington DC, DC (IAD)Ontario, CA (ONT)05/23/201806:00 am
    Ontario, CA (ONT)Washington DC, DC (IAD)06/06/201807:33 pm
    cheapoair.com check price
  • $278Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Washington DC, DC (DCA)Ontario, CA (ONT)05/30/201801:15 pm
    Ontario, CA (ONT)Washington DC, DC (DCA)06/13/201807:33 pm
    cheapoair.com check price
  • $278Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Washington DC, DC (DCA)Ontario, CA (ONT)05/30/201801:15 pm
    Ontario, CA (ONT)Washington DC, DC (DCA)06/06/201807:33 pm
    cheapoair.com check price
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