Seoul (GMP) to Jeju (CJU) flights
9 airlines fly nonstop from Seoul (GMP) to Jeju (CJU): Air Busan, Air Seoul, Asiana Airlines, Eastar Jet, Jeju Air, Jin Air, Korean Air, T´Way Air and Thai Smile. The two airports are 281 miles (452 km) apart. Asiana Airlines is in Star Alliance and Korean Air is in SkyTeam. There are also 7 ways to fly it with one stop, through Gwangju, Yeosu and Jinju and more.
Airlines flying nonstop from GMP to CJU
- BXAir BusanNot in an alliance
- RSAir SeoulNot 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 SmileNot in an alliance
Book GMP to CJU with points
Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.
- Aeromexico RewardsBooks Korean Air
- Air Canada AeroplanBooks Asiana Airlines
- Air France-KLM Flying BlueBooks Korean Air
- Air New Zealand AirpointsBooks Asiana Airlines
- Alaska Atmos RewardsBooks Korean Air
- ANA Mileage ClubBooks Asiana Airlines
- Avianca LifeMilesBooks Asiana Airlines
- China Eastern Eastern MilesBooks Korean Air
- Delta SkyMilesBooks Korean Air
- Emirates SkywardsBooks Korean Air
- EVA Air Infinity MileageLandsBooks Asiana Airlines
- Garuda Indonesia GarudaMilesBooks Korean Air
- Korean Air SKYPASSBooks Korean Air
- Lufthansa Miles & MoreBooks Asiana Airlines
- SAS EuroBonusBooks Korean Air
- Singapore Airlines KrisFlyerBooks Asiana Airlines
- TAP Miles&GoBooks Asiana Airlines
- Thai Royal Orchid PlusBooks Asiana Airlines
- Turkish Airlines Miles&SmilesBooks Asiana Airlines
- United MileagePlusBooks Asiana Airlines
- Virgin Atlantic Flying ClubBooks Korean Air
GMP to CJU with one stop
7 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Gwangju (KWJ)Asiana Airlines the whole way+2
- Via Yeosu (RSU)Asiana Airlines and Jin Air the whole way
- Via Jinju (HIN)Jin Air, then Korean Air
- Via Busan (PUS)Jeju Air, Air Busan and 3 more the whole wayBX+3BX+2
- Via Ulsan (USN)Korean Air the whole wayBX
- Via Pohang (KPO)Jin Air the whole way
- Via Osaka (KIX)Jeju Air, Korean Air and 2 more, then T´Way Air+1
GMP to CJU: common questions
Which airlines fly nonstop from GMP to CJU?
Air Busan, Air Seoul, Asiana Airlines (Star Alliance), Eastar Jet, Jeju Air, Jin Air, Korean Air (SkyTeam), T´Way Air and Thai Smile fly nonstop from Seoul (GMP) to Jeju (CJU).
How far is Seoul from Jeju by plane?
Seoul (GMP) and Jeju (CJU) are 281 miles (452 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book GMP to CJU award flights?
21 programs can book at least one of the nonstop airlines: Aeromexico Rewards, Air Canada Aeroplan, Air France-KLM Flying Blue, Air New Zealand Airpoints, Alaska Atmos Rewards, ANA Mileage Club, Avianca LifeMiles, China Eastern Eastern Miles and 13 more. Which flights each can book depends on its partners, so check the airline before you transfer points.
How many miles does GMP to CJU cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for GMP to CJU with taxes and fees.
Where can I connect between Seoul and Jeju?
The most direct connections are through Gwangju (KWJ), Yeosu (RSU), Jinju (HIN), Busan (PUS) and Ulsan (USN). On 5 of them the same airline flies both flights, for example Asiana Airlines through Gwangju.
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.