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 $158 / RT details

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Cheap Ontario airfares from $158/RT are provided by Cheapoair.com. Outbound flight is leaving on 01/31/2025, 01:01 pm from Reagan National (DCA) airport and arrives at Ontario Int`l (ONT) at 05:28 pm. The flight time is 4 hours and 27 minutes. The Returning flight departes on 02/13/2025, 12:59 am (other return dates are also available). Date posted: 05 Dec 2024

Price evolution for flights From Washington DC To Ontario, CA

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

• $158 Frontier Airlines 

  From	To	Departure	Time
  Washington DC, DC (DCA)	Ontario, CA (ONT)	01/31/2025	01:01 pm
  Ontario, CA (ONT)	Washington DC, DC (DCA)	02/13/2025	12:59 am

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• $235 Multiple Airlines 

  From	To	Departure	Time
  Washington DC, DC (DCA)	Ontario, CA (ONT)	01/31/2025	01:01 pm
  Ontario, CA (ONT)	Washington DC, DC (DCA)	02/13/2025	05:55 pm

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• $268 Frontier Airlines 

  From	To	Departure	Time
  Washington DC, DC (DCA)	Ontario, CA (ONT)	01/27/2025	01:01 pm
  Ontario, CA (ONT)	Washington DC, DC (DCA)	02/10/2025	06:34 pm

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• $277 Frontier Airlines 

  From	To	Departure	Time
  Washington DC, DC (DCA)	Ontario, CA (ONT)	01/01/2025	01:01 pm
  Ontario, CA (ONT)	Washington DC, DC (DCA)	01/12/2025	08:11 pm

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• $748 Frontier Airlines 

  From	To	Departure	Time
  Washington DC, DC (DCA)	Ontario, CA (ONT)	03/19/2025	12:59 pm
  Ontario, CA (ONT)	Washington DC, DC (DCA)	04/02/2025	12:49 am

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• $95 Frontier Airlines 

  From	To	Departure	Time
  Washington DC, DC (DCA)	Ontario, CA (ONT)	01/15/2025	01:01 pm

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• $109 Frontier Airlines 

  From	To	Departure	Time
  Washington DC, DC (DCA)	Ontario, CA (ONT)	01/01/2025	01:01 pm

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• $149 Frontier Airlines 

  From	To	Departure	Time
  Washington DC, DC (DCA)	Ontario, CA (ONT)	01/27/2025	01:01 pm

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• $155 Frontier Airlines 

  From	To	Departure	Time
  Washington DC, DC (DCA)	Ontario, CA (ONT)	01/23/2025	07:00 am

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