Cheap IAD to Siem Reap flights

Book your IAD to REP flights with Expedia and find last-minute Washington, DC to Siem Reap airfare. Expedia offers discount airfare on multiple airline carriers that fly direct and indirect routes between IAD and REP, with new flight deals and promotions almost daily. When you book your next trip from Washington Dulles Intl. to Siem Reap 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 REP Route Map

Washington, DC to Siem Reap Flights, Stats and Airplanes

Route information for flights from Washington Dulles Intl. to Siem Reap Intl..

Destination:
Distance:
8,818.05 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.

REP - Siem Reap Intl. Airlines

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