Flight Routes from Washington DC to Ontario

Compare cheap outbound and return flights from Washington DC (DCA) to Ontario (ONT) and find the best offer from numerous airlines and travel agencies.

Trip type
Flight distance
3,641 km
Time difference

Flight schedule from Washington DC (DCA) to Ontario (ONT)

Select a travel date in the flight schedule for the route from Washington DC (DCA) to Ontario (ONT) and compare affordable flight deals.

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Matching outbound flights1 of 1
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  1. November 8 – 14, 2026
  2. November 15 – 21, 2026
  3. November 22 – 28, 2026
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    1. DCAONT
      nonstop
      1. Southwest Airlines

      Important flight information

      Discover more flights around Washington DC and Ontario

      Departure airport Airport Washington DC - Ronald Reagan National Airport, VA (DCA)
      Arrival airport Airport Ontario-CA (ONT)
      Destination country Flights to United States
      City-Code - Arrival airport Washington-DC - Ontario-CA
      Departure airport - Destination country Washington DC - Ronald Reagan National Airport, VA - United States
      Alternative routes to United States
      Alternative flights to Ontario