Cheap Flights from Seoul to Chiang Mai Starting at $112

A direct flight is the most convenient and comfortable way to fly from Seoul to Chiang Mai, despite the fact that sometimes flights with transfers can cost significantly less.

The Seoul — Chiang Mai route is served by a wide range of airlines: 8 in total, including Korean Air, Eastar Jet, T'way Air, Jeju Air, Air China, AirAsia X, Thai AirAsia X, and China Eastern Airlines. Competition among carriers gives passengers the opportunity to find tickets at attractive fares — with prices starting from $112. Our service helps compare all available offers within seconds and choose the most convenient option. You can filter flights by price, departure time, or baggage rules to make your trip as comfortable as possible. With so many airlines, there’s always a chance to catch special promotions and save.

The minimum one-way ticket price from Seoul to Chiang Mai is $102 (December 2025), while the maximum is $123 (January 2026). On average, a ticket costs $111–$230.