Chiang Mai International Airport (CNX) serves Chiang Mai; U-Tapao International Airport (UTP) serves Rayong.
The airports are 442 miles apart by great-circle distance.
Roame's current schedule feed shows nonstop service from CNX to UTP.
Airlines represented in the current schedule are Thai Lion Air (SL).
Published schedule dates span Sep 10, 2026 – Jul 24, 2027.