Cheap IAD to Ontario flights

Book your IAD to ONT flights with Expedia and find last-minute Washington, DC to Ontario airfare. Expedia offers discount airfare on multiple airline carriers that fly direct and indirect routes between IAD and ONT, with new flight deals and promotions almost daily. When you book your next trip from Washington Dulles Intl. to Ontario Intl. with Expedia, you can rest assured you’re getting great ticket prices and excellent service from one of the world’s most trusted travel providers.

Popular Flights from Washington, DC, District of Columbia

Browse popular flight destinations from Washington, DC (IAD), and plan your next exciting trip. Expedia has cheap flights from Washington, DC on multiple airline carriers, so book your next trip today!

IAD to ONT Route Map

Washington, DC to Ontario Flights, Stats and Airplanes

Route information for flights from Washington Dulles Intl. to Ontario Intl..

Destination:
Distance:
2,236.81 miles

IAD - Washington Dulles Intl. Airlines

Browse the most popular airlines servicing the Washington, DC (IAD) airport. Visit their flights pages to learn more about the most popular routes these carriers fly.

ONT - Ontario Intl. Airlines

Browse the most popular airlines servicing the Ontario (ONT) airport. Visit their flights pages to learn more about the most popular routes these carriers fly.

Interesting Facts About Flights from Washington, DC to Ontario (IAD to ONT)

  • The largest aircraft servicing flights between Washington and Ontario from UNITED is the A320-1/2 built by Airbus Industrie with 156 seats.
  • The smallest aircraft servicing flights from IAD to ONT for UNITED is the A320-1/2 built by Airbus Industrie with 156 seats.
  • 156 seats were available on flights from IAD to ONT in 2009. Of those seats, a total of 142 passengers flew on all flights from IAD to ONT that year.
  • UNITED offers flights from Washington, DC to Ontario, CA.
  • UNITED operated flights from IAD to ONT using one type of aircraft in 2009.
  • There were 142 passengers that flew from Washington to Ontario in 2009.
  • The newest aircraft servicing IAD to ONT in 2009 was UNITED's A320-1/2 from Airbus Industrie. The A320-1/2 started flying in 1990.
  • In 2009, there was just one airline company serving flights from Washington to Ontario.
  • UNITED carried a total of 142 passengers from IAD to ONT in 2009.
  • The oldest aircraft servicing trips from Washington, DC to Ontario, CA in 2009 was UNITED's A320-1/2 from Airbus Industrie which started flying in 1990.
  • The average aircraft occupancy on flights from Washington to Ontario in 2009 was 91.03%.

(Source: FAA & BTS 2009 Databases)