Washington → Ontario
Washington (IAD, DCA, BWI) to Ontario (ONT), all airport combinations.
No nonstop flights. Fastest via Las Vegas (LAS), about 5h 16m in the air (IAD→ONT).Award: 15,000 ANA miles+ / 23,000 JAL miles+ (IAD→ONT, economy one way, est.)
Nonstop flights by airport pair
None.
Route pages by airport
Times and miles are estimates. Check schedules and availability with the airline.