How many hours is it from washiton dc to California?

The flight time from Washington, D.C. to California varies depending on the destination city in California and the airline. The average flight time from Washington Dulles International Airport (IAD) to Los Angeles International Airport (LAX) is approximately 5 hours and 30 minutes. The average flight time from Washington Reagan National Airport (DCA) to San Francisco International Airport (SFO) is approximately 6 hours.