Seoul (ICN) to Bangkok (BKK) flights
9 airlines fly nonstop from Seoul (ICN) to Bangkok (BKK): Air Premia, Asiana Airlines, Eastar Jet, Jeju Air, Jin Air, Korean Air, T´Way Air, Thai Airways International and Thai Vietjet Air. The two airports are 2,278 miles (3,666 km) apart. Asiana Airlines and Thai Airways International are in Star Alliance and Korean Air is in SkyTeam. There are also 50 ways to fly it with one stop, through Nanjing, Yangzhou and Changsha and more.
Airlines flying nonstop from ICN to BKK
- YPAir PremiaNot in an alliance
- Asiana AirlinesStar Alliance · bookable with 11 programsWho books it

- ZEEastar JetNot in an alliance
- Jeju AirNot in an alliance

- Jin AirNot in an alliance

- Korean AirSkyTeam · bookable with 10 programsWho books it

- T´Way AirNot in an alliance

- Thai Airways InternationalStar Alliance · bookable with 12 programsWho books it

- VZThai Vietjet AirNot in an alliance
Book ICN to BKK with points
Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.
- Air Canada AeroplanBooks Asiana Airlines, Thai Airways International
- Air New Zealand AirpointsBooks Asiana Airlines, Thai Airways International
- ANA Mileage ClubBooks Asiana Airlines, Thai Airways International
- Avianca LifeMilesBooks Asiana Airlines, Thai Airways International
- Emirates SkywardsBooks Korean Air, Thai Airways International
- EVA Air Infinity MileageLandsBooks Asiana Airlines, Thai Airways International
- Lufthansa Miles & MoreBooks Asiana Airlines, Thai Airways International
- Singapore Airlines KrisFlyerBooks Asiana Airlines, Thai Airways International
- TAP Miles&GoBooks Asiana Airlines, Thai Airways International
- Thai Royal Orchid PlusBooks Asiana Airlines, Thai Airways International
- Turkish Airlines Miles&SmilesBooks Asiana Airlines, Thai Airways International
- United MileagePlusBooks Asiana Airlines, Thai Airways International
- Aeromexico RewardsBooks Korean Air
- Air France-KLM Flying BlueBooks Korean Air
- Alaska Atmos RewardsBooks Korean Air
- China Eastern Eastern MilesBooks Korean Air
- Delta SkyMilesBooks Korean Air
- Garuda Indonesia GarudaMilesBooks Korean Air
- Korean Air SKYPASSBooks Korean Air
- SAS EuroBonusBooks Korean Air
- Virgin Atlantic Flying ClubBooks Korean Air
ICN to BKK with one stop
50 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Nanjing (NKG)China Eastern Airlines the whole way





- Via Yangzhou (YTY)Spring Airlines the whole way


- Via Changsha (CSX)China Southern Airlines, Korean Air and 1 more, then Xiamen Airlines and Air Travel



A6 - Via Hanoi (HAN)VietJet Air and Vietnam Airlines the whole way

+4

+3
- Via Vientiane (VTE)Lao Airlines the whole way

QVQV
- Via Wuhan (WUH)China Southern Airlines, Korean Air and 1 more, then China Eastern Airlines




- Via Hangzhou (HGH)Air China the whole way

+1

GJ+1 - Via Guangzhou (CAN)China Southern Airlines the whole way




+3
- Via Shanghai (PVG)Spring Airlines, Shanghai Airlines and 1 more the whole way

+4

+4
- Via Haikou (HAK)Hainan Airlines the whole way


- Via Shenzhen (SZX)China Southern Airlines and Shenzhen Airlines the whole way

+1


- Via Yichang (YIH)Jin Air, then Air Changan
9H - Via Qingdao (TAO)Shandong Airlines and Qingdao Airlines the whole way

+4
QW - Via Macau (MFM)Air Macau the whole way



VZ - Via Hong Kong (HKG)Cathay Pacific, Hong Kong Airlines and 1 more the whole way

+7

+4
ICN to BKK: common questions
Which airlines fly nonstop from ICN to BKK?
Air Premia, Asiana Airlines (Star Alliance), Eastar Jet, Jeju Air, Jin Air, Korean Air (SkyTeam), T´Way Air, Thai Airways International (Star Alliance) and Thai Vietjet Air fly nonstop from Seoul (ICN) to Bangkok (BKK).
How far is Seoul from Bangkok by plane?
Seoul (ICN) and Bangkok (BKK) are 2,278 miles (3,666 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book ICN to BKK award flights?
21 programs can book at least one of the nonstop airlines: Air Canada Aeroplan, Air New Zealand Airpoints, ANA Mileage Club, Avianca LifeMiles, Emirates Skywards, EVA Air Infinity MileageLands, Lufthansa Miles & More, Singapore Airlines KrisFlyer and 13 more. Which flights each can book depends on its partners, so check the airline before you transfer points.
How many miles does ICN to BKK 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 BKK with taxes and fees.
Where can I connect between Seoul and Bangkok?
The most direct connections are through Nanjing (NKG), Yangzhou (YTY), Changsha (CSX), Hanoi (HAN) and Vientiane (VTE). On 31 of them the same airline flies both flights, for example China Eastern Airlines through Nanjing.
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.