Flights Udon Thani — Chiang Mai is a popular route. The straight-line distance is 437 km. Flight time 1h 1m. Time difference +0h.
From Udon Thani (UTH) flights depart from 1 airport: UTH. To Chiang Mai (CNX) — 1 arrival airport: CNX.
2 airlines operate on this route: Nok Air, Thai AirAsia.
The minimum price for the next 3 months — from $66 (27.12.2026). The cheapest dates are highlighted in the calendar above.
The average ticket price — $66, ranging from $66 to $66. Book 1–3 months in advance to get the best deals.
Cheapest day to fly — Thursday.