Flight Routes from Washington DC to Ontario

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

Trip type
Cheapest roundtrip flight
from€451
Flight distance
3,641 km
Time difference
Airports in Washington-DC
  1. Dulles International Airport, DC
  2. Ronald Reagan National Airport, VA

Flight schedule from Washington-DC (WAS) to Ontario (ONT)

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

offers
Active filtersnone
Matching outbound flightsWAS–ONT · 2 of 2
fromto
dep.arr.
durationstopovers
  1. November 8 – 14, 2026
  2. November 15 – 21, 2026
  3. November 22 – 28, 2026
    No flights could be found for the active filters.
    1. DCAONT
      1 stopover
      1. Alaska Airlines
    2. DCAONT
      nonstop
      1. Southwest Airlines

      Important flight information

      Discover more flights around Washington-DC and Ontario

      Departure airport Airport Washington-DC (WAS)
      Arrival airport Airport Ontario-CA (ONT)
      Destination country Flights to United States
      Departure airport - Destination country Washington-DC - United States
      Alternative routes to United States
      Alternative flights to Ontario
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