Find the cheapest Thai Airways International flights on Expedia from Penang (PEN) to Khon Kaen (KKC). 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 RM 1,123 for travel on 13 November 2026.
RM 1,123 Cheap Thai Airways International flights Penang (PEN) to Khon Kaen (KKC)
Prices were available within the past 7 days and start at RM 1,123 for one-way flights and RM 1,346 for return, for the period specified. Prices and availability are subject to change.