Korean Air

Korean Air flights from Seoul to Jeju

Seoul (SEL) Jeju (CJU) Return direction
from 19 USDCheapest fare found
1 h 15 minFlight time
455 kmDistance
OctoberCheapest month
Seoul20°Cclear · 10…21°C
Jeju21°Cmostly clear · 16…21°C
Weather now

Seoul to Jeju: prices by month

Lowest one-way fares found by travellers for each month. Prices change daily; the link opens live search results for that date. Weather: average temperature and total rainfall for that month last year.

MonthLowest fareAirlineStopsJeju weather
October 2026 42 USD TW direct 21°C · 210 mm Search →
November 2026 46 USD Air Seoul direct 13°C · 75 mm Search →
December 2026 48 USD Air Seoul direct 8°C · 70 mm Search →
January 2027 47 USD Jeju Air direct 5°C · 78 mm Search →
February 2027 121 USD Jin Air direct 4°C · 122 mm Search →
March 2027 44 USD Air Seoul direct 11°C · 137 mm Search →
April 2027 163 USD Korean Air direct 14°C · 96 mm Search →
May 2027 173 USD Korean Air direct 18°C · 179 mm Search →
June 2027 177 USD Korean Air direct 23°C · 154 mm Search →
July 2027 176 USD Korean Air direct 27°C · 161 mm Search →
August 2027 196 USD Korean Air direct 28°C · 223 mm Search →
September 2027 204 USD Korean Air direct 26°C · 174 mm Search →

Cheapest tickets found recently

No Korean Air fares were found in the last 48 hours; these are the lowest prices on the route with the carrier shown on each card.

About Korean Air flights from Seoul to Jeju

Korean Air operates flights from Seoul to Jeju, connecting Gimpo International Airport (GMP) with Jeju International Airport (CJU). This route covers 455 kilometers and typically takes 75 minutes of flight time. The airline usually flies this route non-stop, making it a convenient option for both leisure and business travelers heading to South Korea's popular island destination.

Fares tend to be lowest in September. Korean Air includes one checked bag of up to 23 kg in economy fares. Online check-in opens 48 hours before departure and closes 60 minutes before flight time, allowing passengers to complete this step well in advance of their journey.

Airports on this route

DepartureGimpo International Airport (GMP)
ArrivalJeju International Airport (CJU)
Flight time1 h 15 min
Distance455 km
Quick answer

Checked bag in Economy: 1 piece, 23 kg (51 lb).

ItemAllowanceDetails
Cabin bag 1 piece
Personal item included small bag under the seat
Checked baggage - Economy 1 piece · 23 kg (51 lb) included in the fare
Checked baggage - Business 2 pieces · 32 kg (71 lb) included in the fare
Checked baggage - First 3 pieces · 32 kg (71 lb) included in the fare
Extra bagfrom 200 USDcheaper when added online in advance
Overweight feefrom 100 USDper bag above the allowance

Basic Economy allowance on most routes; premium fares and some destinations get more. Weights are shown in kilograms with pounds in brackets, sizes in centimetres with inches in brackets. Always confirm on the official website before travelling.

Quick answer

Korean Air online check-in opens 2 days before departure and closes 1 h before departure. Online check-in is free.

Online check-in opens2 days before departure
Online check-in closes1 h before departure
Airport counters close1 h before departure
Check-in feeonline check-in is free
Boarding passmobile boarding pass, print at home
Mobile app check-inavailable
Self-service kiosksavailable

Times apply to most routes; long-haul, US and some airport-specific deadlines differ. Confirm on the official website before travelling.

Frequently asked questions

How long does a Korean Air flight from Seoul to Jeju take?
The typical flight time is 75 minutes.
Which airports does Korean Air use for Seoul to Jeju flights?
Korean Air departs from Gimpo International Airport (GMP) in Seoul and arrives at Jeju International Airport (CJU).
Is checked baggage included on Korean Air flights to Jeju?
Yes, one checked bag of up to 23 kg is included in economy fares.
When can I check in online for a Korean Air flight?
Online check-in opens 48 hours before departure and closes 60 minutes before your flight.

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