Cheap flights from District of Columbia to Ontario, CA
Travel > North America > United States > District of Columbia to Ontario, CA flights
A city in the San Bernardino County in California, Ontario offers wonderful living conditions for its residents. Over the years its reputation as a significant tourist attraction has also grown considerably. The city got the name of Ontario from the famous development program of Ontario model colony that was established in the year 1882 by engineers from Canada. They had named the colony after their native province of Ontario in Canada.... (read more in our Ontario Travel Guide)
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Cheapest flights found for the next 6 months
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Check our newest flight offers to Ontario, CA:
- $158
Frontier Airlines
cheapoair.com check priceFrom 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 - $235
Multiple Airlines
cheapoair.com check priceFrom 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 - $268 Frontier Airlines
cheapoair.com check priceFrom 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 - $277 Frontier Airlines
cheapoair.com check priceFrom 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 - $748 Frontier Airlines
cheapoair.com check priceFrom 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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