C$ 41 Find Cheap Flights from Seoul to Jeju City – Compare and Save

Among airlines operating Seoul Gimpo Intl Airport to Jeju City flights:

• Jeju Air: offers free seat selection
• Eastar Jet: offers free seat selection
• Korean Air: offers extra legroom; offers free seat selection
• Air Seoul: offers free seat selection
• Air Busan: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

9 airlines operate flights between Seoul Gimpo Intl Airport and Jeju City. The airlines offering direct flights on this route include:

• Jeju Air
• Korean Air
• Eastar Jet
• Asiana Airlines
• Jin Air
• Trinity Airways

Flights from Seoul Gimpo Intl Airport to Jeju City usually depart from Seoul Gimpo Intl (GMP) and arrive at Jeju City (CJU).

Here are some options for this route, based on selected ticket types and cabin classes:

• Trinity Airways: a carry-on bag and a checked bag in Economy Class
• Jeju Air: a carry-on bag and a checked bag in Economy Class
• Eastar Jet: a carry-on bag and a checked bag in Economy Class

Bag allowance can vary by ticket type, cabin class, route, and airline, so travellers should check the fare details before booking.

Only Economy Class is available on flights from Seoul Gimpo Intl Airport to Jeju City.

On this route, direct flights are cheaper than layover options on average. Direct fares average C$ 112 round-trip, compared to C$ 159 via a layover through Gwangju (KWJ).

There is no standard. Checked bag policies vary by airline on this route. Most carriers charge C$ 18–C$ 140 for the first checked bag in economy. Premium fares and elite status bookings typically include a free checked bag.

The Boeing 737-800 family is used most often on this route, operated mainly by Eastar Jet and Jeju Air. Other aircraft seen on the route include Airbus A320-100/200 variants.

Connecting flights from Seoul Gimpo Intl Airport to Jeju City most commonly pass through:

• Busan Gimhae (PUS) – 90% of one-stop connections
• Gwangju (KWJ) – 10% of one-stop connections
Together, these airports account for 100% of one-stop bookings on this route.

Yes. Being flexible with your travel dates can save you up to 31% on the Seoul Gimpo Intl Airport to Jeju City route. Monday is the cheapest departure day at C$ 80 round-trip on average, while Friday is the most expensive at C$ 115, a difference of C$ 35. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Seoul Gimpo Intl Airport to Jeju City route, 14% of flights were delayed in the past 3 months, with delays averaging 1 hour 21 minutes.

Morning is the busiest departure period on Seoul Gimpo Intl Airport to Jeju City flights, with 43% leaving in that window. Afternoon departures account for 32%, Evening flights for 24%, and Night flights for 1%.

These are the earliest and latest flight times available from Seoul Gimpo Intl Airport to Jeju City:

• Earliest: departs at 6:00 am and lands at 7:16 am
• Latest: departs at 9:00 pm and lands at 10:16 pm.

The flight takes about 1h 16m.

Last-minute fares on this route – booked within 2 weeks of departure – run 0% above the route average of C$ 112. Book 24 weeks before departure for the lowest fares.

A direct flight from Seoul Gimpo Intl Airport to Jeju City takes 1h 16m, covering 726 km.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about C$ 80 to C$ 745. That means the highest observed fare was about 9x higher than the lowest one.

One-way fares from Seoul Gimpo Intl Airport to Jeju City are currently lower than usual. Average one-way flight prices are about C$ 53, which is 37% below the typical average for this route.

Korean Air is slightly above the route average for timely arrivals, while Asiana Airlines has a lower on-time arrival rate. On-time arrival rates on Seoul Gimpo Intl Airport to Jeju City flights are:

• Korean Air: 88% on time
• Asiana Airlines: 88% on time
• Parata Air: 87% on time

On average, flights on this route are punctual 86% of the time.

Night flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

Flying via Gwangju (KWJ) gives the shortest average 1-stop total travel time at 3h 19m, compared with 5h 55m via Busan Gimhae (PUS).

Jeju City Airport (CJU) hosts 5 major car rental companies, with daily rates starting from around C$ 7 for economy cars. Top options include:
• Rainbow rental
• The Safe Rent A Car
• Yesaway
• Jeju One Car
• Bella Jeju

Round-trip flights from Seoul Gimpo Intl Airport to Jeju City range from C$ 79 to C$ 131, with an average of C$ 112 over the past 12 months. Anything below C$ 79 counts as a good deal.