CNX to IAD from $1,046 in economy

KEKorean Air

Round Trip•Economy

CNX

Chiang Mai International Airport

Chiang Mai, Thailand

IAD

Washington Dulles International Airport

Washington, United States

$1,614 USD

-35%$1,046 USD

Verified about 5 hours ago

September 2026

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

31$1,590 1$1,583 2$1,583 3$1,583 4$1,673 5$1,680 6$1,801 7$1,583 8$1,590 9$1,583 10$1,583 11$1,673 12 13$1,673 14 15 16 17$1,941 18$1,673 19$1,673 20$1,673 21$1,583 22$1,583 23$1,583 24$3,085 25$3,130 26 27 28 29 30 1 2 3 4

Limited Availability

17% of dates checked are available within 10% of the lowest price

Sunday, September 20th, 2026

5 round-trip options

Returning

Fri, Sep 25, 2026•5 Day Trip

$1,673 USD

Google Flights

Returning

Sat, Sep 26, 2026•6 Day Trip

$1,673 USD

Google Flights

Returning

Sun, Sep 27, 2026•7 Day Trip

$1,673 USD

Google Flights

Returning

Mon, Sep 28, 2026•8 Day Trip

$1,673 USD

Google Flights

Returning

Tue, Sep 29, 2026•9 Day Trip

$1,719 USD

Google Flights

Chiang Mai (CNX) to Washington (IAD) flight deal in economy from $1,046

Chiang Mai International Airport

Washington Dulles International Airport

September 2026

Sunday, September 20th, 2026