Cheap flights from Washington DC to Ontario
Travel > North America > United States > Washington DC to Ontario flights
Check our current prices for flights from Washington DC to Ontario. 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, you will need to run a search below.
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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

Recent Deals on Flights from Washington DC to Ontario:Roundtrip / Oneway
- $496
Frontier Airlines
cheapoair.com check priceFrom 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 - $599
Frontier Airlines
cheapoair.com check priceFrom 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 - $603
Multiple Airlines
cheapoair.com check priceFrom 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 - $605
Frontier Airlines
cheapoair.com check priceFrom 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 - $653
Multiple Airlines
cheapoair.com check priceFrom 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 - $264
Frontier Airlines
cheapoair.com check priceFrom To Departure Time Washington DC, DC (DCA) Ontario, CA (ONT) 06/21/2022 07:00 am - $397
Alaska Airlines
cheapoair.com check priceFrom To Departure Time Washington DC, DC (IAD) Ontario, CA (ONT) 06/21/2022 06:00 am - $398
Alaska Airlines
cheapoair.com check priceFrom To Departure Time Washington DC, DC (DCA) Ontario, CA (ONT) 06/21/2022 08:00 am
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