Flights Chiang Mai — Udon Thani is a popular route. The straight-line distance is 437 km. Flight time 1h 1m. Time difference +0h.
From Chiang Mai (CNX) flights depart from 1 airport: CNX. To Udon Thani (UTH) — 1 arrival airport: UTH.
2 airlines operate on this route: Thai AirAsia, Nok Air.
The minimum price for the next 3 months — from $47 (18.11.2026). The cheapest dates are highlighted in the calendar above.
The average ticket price — $59, ranging from $47 to $71. Book 1–3 months in advance to get the best deals.
Cheapest day to fly — Wednesday.