Cheap flights from Washington DC to Ontario, CA
Travel > North America > United States > Washington DC to Ontario, CA flights
Travel tip: Visit Ontario on your holidays!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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Cheap Ontario airfares from $818/RT are provided by Cheapoair.com. Outbound flight is leaving on 06/11/2023, 07:05 am from Reagan National (DCA) airport and arrives at Ontario Int`l (ONT) at 12:20 am. The flight time is 17 hours and 15 minutes. The Returning flight departes on 06/24/2023, 05:15 am (other return dates are also available). Date posted: 26 May 2023
Price evolution for flights From Washington DC To Ontario, CA

Recent Deals on Flights from Washington DC to Ontario, CA:Roundtrip / Oneway
- $818
Frontier Airlines
cheapoair.com check priceFrom To Departure Time Washington DC, DC (DCA) Ontario, CA (ONT) 06/11/2023 07:05 am Ontario, CA (ONT) Washington DC, DC (DCA) 06/24/2023 05:15 am - $860
Multiple Airlines
cheapoair.com check priceFrom To Departure Time Washington DC, DC (IAD) Ontario, CA (ONT) 06/11/2023 09:00 am Ontario, CA (ONT) Washington DC, DC (IAD) 06/24/2023 05:15 am - $909
Multiple Airlines
cheapoair.com check priceFrom To Departure Time Washington DC, DC (DCA) Ontario, CA (ONT) 07/31/2023 06:54 pm Ontario, CA (ONT) Washington DC, DC (DCA) 08/14/2023 12:18 pm - $917
Multiple Airlines
cheapoair.com check priceFrom To Departure Time Washington DC, DC (DCA) Ontario, CA (ONT) 06/11/2023 06:40 pm Ontario, CA (ONT) Washington DC, DC (DCA) 06/24/2023 05:15 am - $924
Alaska Airlines
cheapoair.com check priceFrom To Departure Time Washington DC, DC (IAD) Ontario, CA (ONT) 06/12/2023 06:55 pm Ontario, CA (ONT) Washington DC, DC (IAD) 06/22/2023 04:15 pm - $110
Frontier Airlines
cheapoair.com check priceFrom To Departure Time Washington DC, DC (DCA) Ontario, CA (ONT) 06/07/2023 07:00 am - $474
Frontier Airlines
cheapoair.com check priceFrom To Departure Time Washington DC, DC (DCA) Ontario, CA (ONT) 06/18/2023 06:01 pm - $493
Alaska Airlines
cheapoair.com check priceFrom To Departure Time Washington DC, DC (DCA) Ontario, CA (ONT) 06/07/2023 02:55 pm - $588
Alaska Airlines
cheapoair.com check priceFrom To Departure Time Washington DC, DC (DCA) Ontario, CA (ONT) 06/18/2023 08:00 am
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