Seoul (ICN) to Bangkok (DMK) flights
2 airlines fly nonstop from Seoul (ICN) to Bangkok (DMK): Thai AirAsia and Thai Lion Air. The two airports are 2,272 miles (3,657 km) apart. There are also 37 ways to fly it with one stop, through Changsha, Hanoi and Vientiane and more.
Airlines flying nonstop from ICN to DMK
- Thai AirAsiaNot in an alliance
- Thai Lion AirNot in an alliance
ICN to DMK with one stop
37 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Changsha (CSX)China Southern Airlines, Korean Air and 1 more, then Thai AirAsia and Thai Lion Air
- Via Hanoi (HAN)Jeju Air, Korean Air and 5 more, then Thai AirAsia
+4 - Via Vientiane (VTE)Jeju Air, T´Way Air and 1 more, then Thai AirAsia
QV - Via Wuhan (WUH)China Southern Airlines, Korean Air and 1 more, then Thai AirAsia
- Via Hangzhou (HGH)Air China, Asiana Airlines and 2 more, then Thai AirAsia and Thai Lion Air
+1 - Via Guangzhou (CAN)China Southern Airlines, Korean Air and 1 more, then Thai AirAsia and Thai Lion Air
- Via Shanghai (PVG)Spring Airlines, China Southern Airlines and 5 more, then Thai Lion Air
+4
- Via Shenzhen (SZX)China Southern Airlines, Korean Air and 2 more, then Thai AirAsia and Thai Lion Air+1
- Via Macau (MFM)Jeju Air, Air Macau and 1 more, then Thai AirAsia and Thai Lion Air
- Via Hong Kong (HKG)Jeju Air, Cathay Pacific and 8 more, then Thai Lion Air
+7
- Via Da Nang (DAD)Jeju Air, Korean Air and 8 more, then Thai AirAsia+7
- Via Zhengzhou (CGO)Korean Air, China Southern Airlines and 1 more, then Thai Lion AirZE
- Via Kunming (KMG)Korean Air and China Eastern Airlines, then Thai AirAsia
- Via Chongqing (CKG)Air China and Asiana Airlines, then Thai AirAsia and Thai Lion Air
- Via Chiang Mai (CNX)Jeju Air, Korean Air and 4 more, then Nok Air, Thai AirAsia and 1 more+3DD
ICN to DMK: common questions
Which airlines fly nonstop from ICN to DMK?
Thai AirAsia and Thai Lion Air fly nonstop from Seoul (ICN) to Bangkok (DMK).
How far is Seoul from Bangkok by plane?
Seoul (ICN) and Bangkok (DMK) are 2,272 miles (3,657 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
How many miles does ICN to DMK cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for ICN to DMK with taxes and fees.
Where can I connect between Seoul and Bangkok?
The most direct connections are through Changsha (CSX), Hanoi (HAN), Vientiane (VTE), Wuhan (WUH) and Hangzhou (HGH). On 4 of them the same airline flies both flights, for example Myanmar Airways International through Yangon.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.