Chiang Mai (CNX) to Udon Thani (UTH) flights
2 airlines fly nonstop from Chiang Mai (CNX) to Udon Thani (UTH): 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 CNX to UTH
- DDNok AirNot in an alliance
- Thai AirAsiaNot in an alliance
CNX to UTH 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 Airways International and Thai Vietjet Air the whole way
VZ+1VZ - Via Utapao (UTP)Thai Lion Air the whole way
CNX to UTH: common questions
Which airlines fly nonstop from CNX to UTH?
Nok Air and Thai AirAsia fly nonstop from Chiang Mai (CNX) to Udon Thani (UTH).
How far is Chiang Mai from Udon Thani by plane?
Chiang Mai (CNX) and Udon Thani (UTH) 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 CNX to UTH cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for CNX to UTH with taxes and fees.
Where can I connect between Chiang Mai and Udon Thani?
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.