Search flights from Washington (WAS) to Siem Reap (SAI)

Book your plane tickets from Washington to Siem Reap with ease

Cheapest flights to Siem Reap

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

Wed 21 Jan
US$501.76
One way
Economy
1 traveller
Tue 20 Jan
US$506.13
One way
Economy
1 traveller
Mon 19 Jan
US$514.64
One way
Economy
1 traveller

Flying from Washington to Siem Reap: things to know

The most popular route is from Washington Dulles International Airport in Washington to Siem Reap-Angkor International Airport in Siem Reap. On average this flight takes 25 hours 42 minutes one way and costs US$2,112 for the round trip.

Most popular route
Washington Dulles International Airport (IAD) to Siem Reap-Angkor International Airport (SAI)
Average flight time
25 hours 42 minutes
Average round-trip price
US$2,112
Fly from Washington 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 selected airfares

Airlines that fly from Washington 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

Research, refine and make plans for your whole trip

Flights from the United States to Cambodia

Flexible on where to fly from? the United States also has many flight options for Cambodia.

Flights from Washington to Cambodia

Plan your next getaway from Washington.

Flights to Siem Reap Province

Reaching Siem Reap Province just got easier!

All flights

Fly to your next dream destination.

Hotels in Siem Reap

A popular choice with visitors to Cambodia.