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

Monday, September 28th, 2026

5 round-trip options

Returning
Sat, Oct 3, 20265 Day Trip
$5,727 USD
Returning
Sun, Oct 4, 20266 Day Trip
$4,777 USD
Returning
Wed, Oct 7, 20269 Day Trip
$4,777 USD
Returning
Thu, Oct 8, 202610 Day Trip
$2,188 USD
Returning
Fri, Oct 9, 202611 Day Trip
$2,188 USD