Washington (IAD) to Chiang Mai (CNX) flight deal in economy from $976

Korean AirKEKorean Air
Round Trip•Economy
United StatesIAD

Washington Dulles International Airport

Washington, United States
ThailandCNX

Chiang Mai International Airport

Chiang Mai, Thailand
$1,721 USD
-43%$976 USD
Verified about 5 hours ago
Limited Availability
14% of dates checked are available within 10% of the lowest price

Monday, September 21st, 2026

5 round-trip options

Returning
Wed, Sep 30, 2026•9 Day Trip
$2,229 USD
Google Flights
Returning
Thu, Oct 1, 2026•10 Day Trip
$2,229 USD
Google Flights
Returning
Fri, Oct 2, 2026•11 Day Trip
$2,229 USD
Google Flights
Returning
Sat, Oct 3, 2026•12 Day Trip
$5,479 USD
Google Flights
Returning
Sun, Oct 4, 2026•13 Day Trip
$4,729 USD
Google Flights