Udon Thani (UTH) to Chiang Mai (CNX) flights
2 airlines fly nonstop from Udon Thani (UTH) to Chiang Mai (CNX): Nok Air and Thai AirAsia. The two airports are 268 miles (432 km) apart. There are also 3 ways to fly it with one stop, through Bangkok, Bangkok and Utapao.
Airlines flying nonstop from UTH to CNX
- DDNok AirNot in an alliance
- Thai AirAsiaNot in an alliance
UTH to CNX with one stop
3 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Bangkok (DMK)Nok Air, Thai AirAsia and 1 more the whole wayDD
DD - Via Bangkok (BKK)Thai Vietjet Air and Thai Airways International the whole wayVZ
VZ+1 - Via Utapao (UTP)Thai Lion Air the whole way
UTH to CNX: common questions
Which airlines fly nonstop from UTH to CNX?
Nok Air and Thai AirAsia fly nonstop from Udon Thani (UTH) to Chiang Mai (CNX).
How far is Udon Thani from Chiang Mai by plane?
Udon Thani (UTH) and Chiang Mai (CNX) are 268 miles (432 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
How many miles does UTH to CNX cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for UTH to CNX with taxes and fees.
Where can I connect between Udon Thani and Chiang Mai?
The most direct connections are through Bangkok (DMK), Bangkok (BKK) and Utapao (UTP). On 3 of them the same airline flies both flights, for example Nok Air through Bangkok.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.