Cheap flights from Washington DC to Ontario

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Check our current prices for flights from Washington DC to Ontario. Please note that we also give you historical search data for this city connection. These are all airfares that people found in the past, in order to find more current flight information from Washington DC to Ontario, you will need to run a search below.

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From $230 / RT details

Book your flight now with Cheapoair.com and save!

Cheap Ontario airfares from $230/RT are provided by Cheapoair.com. Outbound flight is leaving on 10/25/2017, 06:15 am from Washington Dulles (IAD) airport and arrives at Ontario Int`l (ONT) at 11:10 am. The flight time is 4 hours and 55 minutes. The Returning flight departes on 11/08/2017, 11:50 am (other return dates are also available). Date posted: 17 Aug 2017

Price evolution for flights From Washington DC To Ontario

Price overview for flights from Washington DC to Ontario

Recent Deals on Flights from Washington DC to Ontario:Roundtrip / Oneway

  • $230Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Washington DC, DC (IAD)Ontario, CA (ONT)10/25/201706:15 am
    Ontario, CA (ONT)Washington DC, DC (IAD)11/08/201711:50 am
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  • $232Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Washington DC, DC (IAD)Ontario, CA (ONT)10/13/201709:15 pm
    Ontario, CA (ONT)Washington DC, DC (IAD)10/21/201711:55 am
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  • $268Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Washington DC, DC (DCA)Ontario, CA (ONT)10/13/201701:20 pm
    Ontario, CA (ONT)Washington DC, DC (DCA)10/21/201711:55 am
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  • $335Multiple Airlines flight Multiple Airlines 
    FromToDepartureTime
    Washington DC, DC (DCA)Ontario, CA (ONT)08/23/201706:55 am
    Ontario, CA (ONT)Washington DC, DC (DCA)09/05/201706:45 pm
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  • $345Multiple Airlines flight Multiple Airlines 
    FromToDepartureTime
    Washington DC, DC (DCA)Ontario, CA (ONT)08/23/201706:55 am
    Ontario, CA (ONT)Washington DC, DC (DCA)09/05/201706:45 pm
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  • $185United Airlines flight United Airlines 
    FromToDepartureTime
    Washington DC, DC (DCA)Ontario, CA (ONT)09/03/201704:15 pm
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  • $215Southwest Airlines flight Southwest Airlines 
    FromToDepartureTime
    Washington DC, DC (DCA)Ontario, CA (ONT)09/16/201703:00 pm
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  • $222Southwest Airlines flight Southwest Airlines 
    FromToDepartureTime
    Washington DC, DC (DCA)Ontario, CA (ONT)09/16/201703:00 pm
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  • $275United Airlines flight United Airlines 
    FromToDepartureTime
    Washington DC, DC (IAD)Ontario, CA (ONT)09/16/201708:15 am
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  • $293United Airlines flight United Airlines 
    FromToDepartureTime
    Washington DC, DC (IAD)Ontario, CA (ONT)09/03/201708:27 am
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