Find the cheapest Thai Airways International flights on Expedia from Osaka (OSA) to Udon Thani (UTH). Flight ticket prices change frequently based on availability and demand. We send price-drop alerts to make air travel simple and flexible. The lowest one-way fare found on Expedia with Thai Airways International for this route in the past 7 days starts at S$1,120 for travel on 14 November 2026.
S$1,120 Cheap Thai Airways International flights Osaka (OSA) to Udon Thani (UTH)
Prices were available within the past 7 days and start at S$1,120 for one-way flights, for the period specified. Prices and availability are subject to change.