Seoul to Jeju City (ICN–CJU) — Airlines, Schedules & Connections

ICN Airport Page →
273 mi airlines 0/wk
On-time Some delays Frequent delays
Connecting Flight Schedule 24 1-stop flights Verified 2mos ago
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  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop

No flights match your filters.

No nonstop flights on this route. connecting options below.

✦ 1-STOP More options, longer trips
✧ 2-STOP Loading... Reach the hardest destinations
Seoul to Jeju City
Connecting service available through multiple hubs.
1 Airlines 273 mi 1h 15m nonstop 24 1-stop hubs

ICN–CJU is served by 1 airline with nonstop service. Korean Air leads the route. The flight covers 273 miles in approximately 1h 15m. Beyond nonstop, 24 hubs offer 1-stop connections.

Also explore ICN Routes CJU Routes ICN Live Flights CJU Live Flights
Carriers on this route

Airline Landscape

All carriers operating nonstop ICN–CJU service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
KE Korean Air 0 – – – SkyTeam –
Alliance coverage
SkyTeam: KE (0 flights/wk, 0%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.
Connections

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for ICN to CJU.
1-STOP
One-Stop Connections
24
Hubs
~3h
Fastest
~23h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
1,148
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 ICN→CJU GMP→CJU CJJ→CJU
Distance from ICN – 20 mi 78 mi
Nonstop airlines 1 9 7
Weekly flights 0 684 173
Flight time 1h 15m 0h 42m 1h 10m
Seoul (GMP) to Jeju City flights · Cheongju (CJJ) to Jeju City flights · Wonju (WJU) to Jeju City flights
Airports within 200 miles of ICN 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.
ICN: KST · CJU: KST

When it's 6:00 PM in Seoul, it's 6:00 PM in Jeju City.
Distance & Flight Time
273 mi / 440 km
Nonstop flight time is approximately 1h 15m.
Getting to ICN

AREX (Airport Railroad Express) runs two services from Seoul Station: the Direct Train (43 min, ₩11,000, reserved seats) and the All-Stop train (66 min, ₩4,550, unreserved). Both trains serve T1 first, then T2; confirm which terminal your airline uses before boarding.Limousine buses depart from major Seoul neighborhoods and hotels (₩16,000–18,000, 60–90 min depending on traffic). KAL and LIMOUSINE services are reliable. Taxis from central Seoul cost ₩65,000–80,000 and take 60–90 minutes. Deluxe (black) taxis are pricier but English-speaking drivers are more common.

Facts

ICN–CJU Quick Facts

Key statistics for the Seoul to Jeju City route.
Route details
Distance273 mi / 440 km
Flight time1h 15m
Time difference0 hours
Airlines (nonstop)1
1-stop connections24 hubs
Origin: ICN
Full nameIncheon International Airport
IATA / ICAOICN / RKSI
TimezoneAsia/Seoul
Passengers/yr71.2M
Elevation23 ft / 7 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 ICN to CJU flights.
Nonstop flights from Incheon International Airport to Jeju International Airport take approximately 1h 15m. The route covers 273 miles.
1 airline operates nonstop service: Korean Air.
Yes, 1-stop connections are available through GMP, TAO, WUX, HGH, NKG, PKX, ANC, PEK, TAE, HKG, TPE, PUS, CAN, PVG, KIX, SIN, RMQ, SHE, MFM, CGO, FUK, SZX, KHH and NRT. These options provide additional schedule flexibility.
Yes, return flights from CJU to ICN are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include GMP, CJJ and WJU. See the Alternatives section for a full comparison.
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.

Flights from ICN to CJU

Incheon International Airport (ICN) and Jeju International Airport (CJU) are connected by nonstop service from Korean Air.

ICN to CJU Flight Duration and Schedule

Nonstop flight time from ICN to CJU ranges from 1 hours 15 minutes. The route covers a distance of 273 miles (440 km).

Connecting Options and Alternatives

24 one-stop connections are available, with the fastest taking approximately 3 hours via GMP. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Seoul (GMP), Cheongju (CJJ) and Wonju (WJU).