Flights from Washington DC to Ontario

Tips and tricks to help you find cheap flights from Washington DC to Ontario

Favorite airline: Alaska Airlines
Alaska Airlines is the most popular airline for flights from Washington DC to Ontario.
Alaska Airlines
62 %
American Airlines
25 %
United Airlines
8 %
Favourite connection: via Seattle-Tacoma
When booking flights from Washington DC to Ontario 68 % of travelers prefer to fly via Seattle-Tacoma.
Route
bookings
1 stopover Seattle-Tacoma International Airport, WA
10h 30min, from $430
68 %
1 stopover Dallas-Fort Worth International Airport, T
09h 10min, from $323
27 %
1 stopover San Francisco International Airport, CA
08h 09min, from $336
5 %
Flight details Washington DC - Ontario
  • Distance: 3604 km