Search flights from Washington, D.C. (WAS) to Siem Reap (SAI)

Book your plane tickets from Washington, D.C. to Siem Reap with ease

Cheapest flights to Siem Reap

The cheapest flights available in the next 60 days – prices are updated regularly

Flying from Washington, D.C. to Siem Reap: things to know

The most popular route is from Washington Dulles International Airport in Washington, D.C. to Siem Reap-Angkor International Airport in Siem Reap. On average this flight takes 26 hours 50 minutes one-way and costs $2,078 round-trip.

Most popular route
Washington Dulles International Airport (IAD) to Siem Reap-Angkor International Airport (SAI)
Average flight time
26 hours 50 minutes
Average round-trip price
$2,078
Fly from Washington, D.C. to Siem Reap
3 airlines

Reasons to book flights with Booking.com

  • Great selection

    Easily compare flights, airlines, and prices – all in one place

  • No hidden fees

    Always know exactly what you’re paying for

  • Flexibility

    Use our flexible plane ticket option to change your dates if needed

Flexible plane ticket options are available for an additional cost on select airfares

Airlines that fly from Washington, D.C. to Siem Reap

Airline options may vary according to recently booked flights and your search terms

  • Turkish Airlines
  • Qatar Airways
  • United Airlines

Frequently asked questions

Fly to more destinations from Washington, D.C.

Research, refine, and make plans for your whole trip

All flights

Take off to your next destination! Choose from a variety of airline, route, and price options for your trip.

Hotels in Siem Reap

A popular choice with visitors to Cambodia.

Flights to Siem Reap Province

Getting to Siem Reap Province just got easier!

Flights from the United States to Cambodia

More options to fly to Cambodia.

Flights from Washington, D.C. to Cambodia

Plan your next getaway from Washington, D.C..
gogless