Seoul to Jeju City (GMP–CJU) — Airlines, Schedules & Connections
Flight Schedule
155 flights
Verified 7h ago
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No flights match your filters.
No nonstop flights on this route. connecting options below.
✦ 1-Stop Connections
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✧ 2-Stop Connections
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Seoul to Jeju City
9 carriers, 527 flights/week nonstop.
9 Airlines
527 Flights/wk
280 mi
0h 45m nonstop
5 1-stop hubs
GMP–CJU is served by 9 airlines with nonstop service. Jeju Air, Asiana Airlines and Korean Air lead the route. The flight covers 280 miles in approximately 0h 45m. Beyond nonstop, 5 hubs offer 1-stop connections.
Carriers on this route
Airline Landscape
All carriers operating nonstop GMP–CJU service, compared side by side.
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| 7C Jeju Air | 147 | 738, 7M8 | 1h15-1h25 | – | – | – |
| OZ Asiana Airlines | 105 | 321, 333 | 0h45-1h15 | – | Star Alliance | – |
| KE Korean Air | 72 | 223, 32Q, 333, 739 | 1h15 | – | SkyTeam | – |
| ZE Eastar Jet | 56 | 738 | 1h15 | – | – | – |
| TW T'way Air | 54 | 737 | 1h15 | – | – | – |
| BX Air Busan | 37 | 320, 321 | 1h15-1h20 | – | – | – |
| LJ Jin Air | 35 | 738, 739 | 1h15 | – | – | – |
| RS Air Seoul | 14 | 321 | 1h15 | – | – | – |
| WE Parata Air | 7 | 320 | 1h15 | – | – | – |
Aircraft on this route
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.
Schedule
Weekly Schedule Pattern
Nonstop flight frequency by day of week, GMP to CJU direction.
Mon
76
flights
Tue
74
flights
Wed
74
flights
Thu
77
flights
Fri
76
flights
Sat
74
flights
Sun
76
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
80
Nonstop flights
527
Outbound / wk
485
Return / wk
Connections
Connection Landscape
Beyond nonstop. 1-stop and 2-stop options for GMP to CJU.
1-STOP
One-Stop Connections
5
Hubs
~5h
Fastest
~18h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
72
Candidates
Two-stop connections loaded in the connections tab above.
Connections computed from published schedules with minimum connection time verification. Use the interactive explorer above the fold to filter by airline, tier, and layover time.
Alternatives
Other ways to reach Jeju City from Seoul
Nearby airports with service to Jeju International Airport.
| Metric | GMP→CJU | ICN→CJU | CJJ→CJU |
|---|---|---|---|
| Distance from GMP | – | 20 mi | 70 mi |
| Nonstop airlines | 9 | 1 | 4 |
| Weekly flights | 527 | – | 69 |
| Flight time | 0h 45m | 1h 15m | 1h 10m |
Seoul (ICN) to Jeju City flights · Cheongju (CJJ) to Jeju City flights · Gonghang-ro (YNY) to Jeju City flights
Airports within 200 miles of GMP with service to Jeju International Airport.
Know before you go
Travel Essentials
Practical planning for this route.
Time Difference
0h
Jeju City is 0 hours
the same as
Seoul.
GMP: KST · CJU: KST
When it's 6:00 PM in Seoul, it's 6:00 PM in Jeju City.
GMP: KST · CJU: KST
When it's 6:00 PM in Seoul, it's 6:00 PM in Jeju City.
Distance & Flight Time
280 mi / 451 km
Nonstop flight time is approximately 0h 45m to 1h 25m.
Facts
GMP–CJU Quick Facts
Key statistics for the Seoul to Jeju City route.
Route details
Distance280 mi / 451 km
Flight time0h 45m to 1h 25m
Time difference0 hours
Airlines (nonstop)9
Weekly flights527 out / 485 return
1-stop connections5 hubs
Origin: GMP
Full nameGimpo International Airport
IATA / ICAOGMP / RKSS
TimezoneAsia/Seoul
Passengers/yr25.0M
Elevation59 ft / 18 m
Destination: CJU
Full nameJeju International Airport
IATA / ICAOCJU / RKPC
TimezoneAsia/Seoul
Passengers/yr30.0M
Elevation118 ft / 36 m
FAQ
Frequently Asked Questions
Common questions about GMP to CJU flights.
Nonstop flights from Gimpo International Airport to Jeju International Airport take approximately 0h 45m to 1h 25m. The route covers 280 miles.
9 airlines operate nonstop service: Jeju Air, Air Busan, Korean Air, Jin Air, Asiana Airlines, Air Seoul, T'way Air, Parata Air and Eastar Jet.
There are approximately 527 nonstop flights per week from GMP to CJU. The return direction has about 485 weekly flights.
Yes, return flights from CJU to GMP are available. Use the direction toggle at the top to view the return schedule.
Click the 'Search Flights' button to check availability and prices on Google Flights. You can also compare airlines and schedules on this page to find the best option.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.
Yes. The Seoul Gimpo–Jeju corridor consistently ranks in the global top 3 for passenger volume, with hundreds of daily departures. Korean Air, Asiana, Jeju Air, Jin Air, T'way, Air Busan, Eastar Jet, and others all compete on the route, keeping fares low and frequency high.
Jeju sits in the Korea Strait and is exposed to winds and typhoons. Typhoon season (July–October) brings the highest disruption risk, with some flights cancelled during severe storms. Winter fog and crosswinds on Jeju's runway can also cause delays or diversions to the mainland. Check weather several days ahead if flying October through November.
Gimpo Airport Station is on Seoul Metro Line 9 and AREX. Line 9 reaches Yeouido in 11 minutes and Gangnam in about 25–30 minutes. AREX connects to Seoul Station in 45 minutes. Taxis to central Seoul cost ₩15,000–25,000 depending on traffic. Gimpo is much closer to the city than Incheon.
Seoul Gimpo to Jeju: Korea's Domestic Air Bridge
GMP–CJU is one of the world's highest-volume air corridors, connecting the South Korean capital's inner airport to the country's premier island resort destination. With nine carriers and nearly 470 weekly departures, the route operates as a near-continuous shuttle. Flight time is 55 minutes. Jeju Island has no inter-city road or rail connection to the mainland, making aviation the only practical transport option.
Carrier Competition and Fares
Jeju Air, Jin Air, and T'way dominate the low-cost segment, while Korean Air and Asiana serve the full-service market. The intense competition keeps base fares low, though prices spike significantly during Korean national holidays. Chuseok (September) and Seollal (January/February) see the route sold out weeks in advance. Gimpo's closer proximity to Seoul's city center makes it the preferred airport over Incheon for domestic Jeju travelers.