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.

Search and Compare cheap Flights

Enter your travel details:Step 1

Flight only
Flight + HotelSave up to 30% on vacations

From (city or airport):
Rooms: 1 2 3 4 5 6
Travelers: 1 2 3 4 5 6
To (city or airport):
Depart (mm/dd/yyyy):
Return (mm/dd/yyyy):
Weekly newsletter (optional)

Select merchants to compare:Step 2

 

From $215 / RT details

Book your flight now with Cheapoair.com and save!

Cheap Ontario airfares from $215/RT are provided by Cheapoair.com. Outbound flight is leaving on 05/16/2024, 07:00 am from Reagan National (DCA) airport and arrives at Ontario Int`l (ONT) at 12:20 pm. The flight time is 5 hours and 20 minutes. The Returning flight departes on 05/19/2024, 10:49 pm (other return dates are also available). Date posted: 06 Mar 2024

Price evolution for flights From Washington DC To Ontario, CA

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

• $215 Multiple Airlines 

  From	To	Departure	Time
  Washington DC, DC (DCA)	Ontario, CA (ONT)	05/16/2024	07:00 am
  Ontario, CA (ONT)	Washington DC, DC (DCA)	05/19/2024	10:49 pm

  cheapoair.com check price
• $226 Frontier Airlines 

  From	To	Departure	Time
  Washington DC, DC (DCA)	Ontario, CA (ONT)	05/16/2024	07:00 am
  Ontario, CA (ONT)	Washington DC, DC (DCA)	05/19/2024	12:49 am

  cheapoair.com check price
• $274 Multiple Airlines 

  From	To	Departure	Time
  Washington DC, DC (DCA)	Ontario, CA (ONT)	06/08/2024	06:59 pm
  Ontario, CA (ONT)	Washington DC, DC (DCA)	06/13/2024	02:36 pm

  cheapoair.com check price
• $300 Frontier Airlines 

  From	To	Departure	Time
  Washington DC, DC (DCA)	Ontario, CA (ONT)	06/08/2024	12:59 pm
  Ontario, CA (ONT)	Washington DC, DC (DCA)	06/13/2024	11:55 am

  cheapoair.com check price
• $408 Frontier Airlines 

  From	To	Departure	Time
  Washington DC, DC (DCA)	Ontario, CA (ONT)	07/24/2024	06:59 pm
  Ontario, CA (ONT)	Washington DC, DC (DCA)	08/07/2024	12:49 am

  cheapoair.com check price
• $84 Frontier Airlines 

  From	To	Departure	Time
  Washington DC, DC (DCA)	Ontario, CA (ONT)	05/03/2024	06:51 pm

  cheapoair.com check price
• $84 Frontier Airlines 

  From	To	Departure	Time
  Washington DC, DC (DCA)	Ontario, CA (ONT)	05/18/2024	06:57 pm

  cheapoair.com check price
• $86 Frontier Airlines 

  From	To	Departure	Time
  Washington DC, DC (DCA)	Ontario, CA (ONT)	05/02/2024	12:50 pm

  cheapoair.com check price
• $691 Alaska Airlines 

  From	To	Departure	Time
  Washington DC, DC (DCA)	Ontario, CA (ONT)	05/03/2024	05:50 pm

  cheapoair.com check price
• $763 Alaska Airlines 

  From	To	Departure	Time
  Washington DC, DC (DCA)	Ontario, CA (ONT)	05/02/2024	09:46 am

  cheapoair.com check price