Find the cheapest Thai Airways International flights on Expedia from Seoul (ICN) to Vientiane (VTE). 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$590 for travel on 13 January 2027.
S$590 Cheap Thai Airways International flights Seoul (ICN) to Vientiane (VTE)
Prices were available within the past 7 days and start at S$590 for one-way flights, for the period specified. Prices and availability are subject to change.