Cheap flights from Ontario, CA to Washington DC

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

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

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From $160 / RT details

Book your flight now with Cheapoair.com and save!

Cheap Washington DC airfares from $160/RT are provided by Cheapoair.com. Outbound flight is leaving on 02/04/2025, 07:45 am from Ontario Int`l (ONT) airport and arrives at Reagan National (DCA) at 09:59 pm. The flight time is 14 hours and 14 minutes. The Returning flight departes on 02/12/2025, 07:00 am (other return dates are also available). Date posted: 03 Jan 2025

Price evolution for flights From Ontario, CA To Washington DC

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

• $160 Frontier Airlines 

  From	To	Departure	Time
  Ontario, CA (ONT)	Washington DC, DC (DCA)	02/04/2025	07:45 am
  Washington DC, DC (DCA)	Ontario, CA (ONT)	02/12/2025	07:00 am

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• $208 Multiple Airlines 

  From	To	Departure	Time
  Ontario, CA (ONT)	Washington DC, DC (DCA)	02/04/2025	07:45 am
  Washington DC, DC (DCA)	Ontario, CA (ONT)	02/12/2025	06:45 am

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• $248 Frontier Airlines 

  From	To	Departure	Time
  Ontario, CA (ONT)	Washington DC, DC (DCA)	02/06/2025	06:45 am
  Washington DC, DC (DCA)	Ontario, CA (ONT)	02/18/2025	06:00 pm

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• $69 Frontier Airlines 

  From	To	Departure	Time
  Ontario, CA (ONT)	Washington DC, DC (DCA)	01/15/2025	07:45 am

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• $75 Frontier Airlines 

  From	To	Departure	Time
  Ontario, CA (ONT)	Washington DC, DC (DCA)	02/11/2025	07:45 am

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• $95 Frontier Airlines 

  From	To	Departure	Time
  Ontario, CA (ONT)	Washington DC, DC (DCA)	01/18/2025	06:45 am

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• $95 Frontier Airlines 

  From	To	Departure	Time
  Ontario, CA (ONT)	Washington DC, DC (DCA)	02/18/2025	12:59 am

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