Flight Routes from Ontario to Washington DC

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

Trip type
Flight distance
3,604 km
Time difference

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

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

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Matching outbound flightsONT–IAD · 0 of 0
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  1. October 11 – 17, 2026
  2. October 18 – 24, 2026
  3. October 25 – 31, 2026
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        Important flight information

        Discover more flights around Ontario and Washington DC

        Departure airport Airport Ontario-CA (ONT)
        Arrival airport Airport Washington DC - Dulles International Airport, DC (IAD)
        Destination country Flights to United States
        Departure airport - Destination country Ontario-CA - United States
        Departure airport - City-Code Ontario-CA - Washington-DC
        Alternative routes to United States
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