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Cheapest cached fares Chiang Mai → Udon Thani; direct flights available (e.g. FD). · Based on 1 fares found by travellers in the last 48h
Cheapest days highlighted · darker = pricier · past days greyed out · cached one-way fares.
Flights from Chiang Mai to Udon Thani start around €46 (direct flights available). Range seen recently: €46–46, based on 1 fares found by travellers.
In Jul, Udon Thani typically sees ~31°C daytime highs and 26 rainy days.
3★+ hotels from €10/night (25 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 2026-07-27. Some links earn Stayonomy a commission at no cost to you.