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Cheapest cached fares Chiang Mai → Udon Thani; direct flights available (e.g. FD). · Based on 2 fares found by travellers in the last 48h
Best value: Sep — fares from €39 and ~31°C daytime.
Flights from Chiang Mai to Udon Thani start around €39 (direct flights available). Range seen recently: €39–78, based on 2 fares found by travellers.
In Feb, Udon Thani typically sees ~30°C daytime highs and 3 rainy days.
3★+ hotels from €13/night (32 hotels sampled, ~3 weeks out).
Udon Thani (อุดรธานี, also Udorn Thanee) is a city of 131,000 people (2019) in the Isaan region of Thailand. Often referred to as Udon or Udorn (อุดร), the city should not be confused with Ubon — Ubon Ratchathani in southeastern Isaan.
Read the full Udon Thani guide
Guide content from Wikivoyage contributors (CC BY-SA).
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Flight prices are real fares travellers found in the last 48 hours, refreshed daily — the booking site confirms the final price. Train, bus and ferry fares are shown on the operators' booking sites. Weather data by Open-Meteo; exchange rates: ECB reference. Data updated 2026-09-24. Some links earn Stayonomy a commission at no cost to you.