Cheap flights from Washington DC to Ontario, CA

Travel > North America > United States > Washington DC to Ontario, CA flights

Check our current prices for flights from Washington DC to Ontario, CA. 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, CA, you will need to run a search below.

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From $496 / RT details

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Cheap Ontario airfares from $496/RT are provided by Cheapoair.com. Outbound flight is leaving on 05/31/2022, 07:00 am from Reagan National (DCA) airport and arrives at Ontario Int`l (ONT) at 01:56 pm. The flight time is 6 hours and 56 minutes. The Returning flight departes on 06/14/2022, 11:59 pm (other return dates are also available). Date posted: 26 Jan 2022

Price evolution for flights From Washington DC To Ontario, CA

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

• $496 Frontier Airlines 

  From	To	Departure	Time
  Washington DC, DC (DCA)	Ontario, CA (ONT)	05/31/2022	07:00 am
  Ontario, CA (ONT)	Washington DC, DC (DCA)	06/14/2022	11:59 pm

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• $599 Frontier Airlines 

  From	To	Departure	Time
  Washington DC, DC (DCA)	Ontario, CA (ONT)	07/26/2022	07:00 am
  Ontario, CA (ONT)	Washington DC, DC (DCA)	08/10/2022	12:38 am

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• $603 Multiple Airlines 

  From	To	Departure	Time
  Washington DC, DC (DCA)	Ontario, CA (ONT)	05/31/2022	08:00 am
  Ontario, CA (ONT)	Washington DC, DC (DCA)	06/14/2022	11:59 pm

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• $605 Frontier Airlines 

  From	To	Departure	Time
  Washington DC, DC (DCA)	Ontario, CA (ONT)	08/03/2022	06:47 pm
  Ontario, CA (ONT)	Washington DC, DC (DCA)	08/09/2022	11:59 pm

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• $653 Multiple Airlines 

  From	To	Departure	Time
  Washington DC, DC (IAD)	Ontario, CA (ONT)	05/31/2022	07:20 pm
  Ontario, CA (ONT)	Washington DC, DC (IAD)	06/14/2022	11:59 pm

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• $264 Frontier Airlines 

  From	To	Departure	Time
  Washington DC, DC (DCA)	Ontario, CA (ONT)	06/21/2022	07:00 am

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• $294 Frontier Airlines 

  From	To	Departure	Time
  Washington DC, DC (DCA)	Ontario, CA (ONT)	05/21/2022	01:14 pm

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• $354 Frontier Airlines 

  From	To	Departure	Time
  Washington DC, DC (DCA)	Ontario, CA (ONT)	05/20/2022	01:14 pm

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• $397 Alaska Airlines 

  From	To	Departure	Time
  Washington DC, DC (IAD)	Ontario, CA (ONT)	06/21/2022	06:00 am

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• $398 Alaska Airlines 

  From	To	Departure	Time
  Washington DC, DC (DCA)	Ontario, CA (ONT)	06/21/2022	08:00 am

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