Cheap Emirates flights from Washington to Samui Intl. Airport (IAD→USM) - Expedia.co.th

A serene garden with a pond, vibrant flowers, and a small bus in the background.

Be in the know
Get alerts if flight prices drop or rise*
Book smarter
Save up to 40% on select hotels after you book a flight*
Earn twice
Earn your airline miles on top of our rewards
Sign in

Travel information

Origin airport	Washington Dulles International Airport
Destination airport	Samui Intl. Airport
Distance	14,615 km away
Airline name	Emirates
Airline code	EK

Explore a world of travel with Expedia

*Available to Expedia members.