$124 Cheap Korean Air flights Jeju (CJU) to Seoul (GMP)

View $124 flight on Wed, Jul 30, 2025Opens in a new window

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$124 Cheap Korean Air flights Jeju (CJU) to Seoul (GMP)

Prices were available within the past 7 days and start at $124 for one-way flights and $247 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Korean Air
Tue, Dec 2 - Tue, Dec 9
CJU
Jeju City
GMP
Seoul
$247 Roundtrip, just found
$247
Roundtrip
just found
Select Korean Air flight, departing Tue, Dec 2 from Jeju City to Seoul, returning Tue, Dec 9, priced at $247 just found
Korean Air
Thu, Aug 21 - Tue, Aug 26
CJU
Jeju City
GMP
Seoul
$249 Roundtrip, found 1 day ago
$249
Roundtrip
found 1 day ago
Select Korean Air flight, departing Thu, Aug 21 from Jeju City to Seoul, returning Tue, Aug 26, priced at $249 found 1 day ago
Korean Air
Wed, Jul 30 - Wed, Aug 6
CJU
Jeju City
GMP
Seoul
$254 Roundtrip, found 3 days ago
$254
Roundtrip
found 3 days ago
Select Korean Air flight, departing Wed, Jul 30 from Jeju City to Seoul, returning Wed, Aug 6, priced at $254 found 3 days ago
Korean Air
Thu, Jul 31 - Sat, Aug 16
CJU
Jeju City
GMP
Seoul
$256 Roundtrip, found 1 day ago
$256
Roundtrip
found 1 day ago
Select Korean Air flight, departing Thu, Jul 31 from Jeju City to Seoul, returning Sat, Aug 16, priced at $256 found 1 day ago
Flights from Jeju (CJU) to Seoul (GMP)
Origin airport
Jeju Intl.
Destination airport
Gimpo Intl.
Airlines serving
Asiana Airlines, Korean Air
Popular airline
Asiana Airlines
Distance
280 mi
Average flight time
1 hour 13 mins

Frequently asked questions

How much is a Korean Air flight from Jeju Intl. Airport (CJU) to Gimpo Intl. Airport (GMP)?
Scoring cheap one-way Korean Air flights from CJU to GMP from $124 on Expedia couldn't be simpler --- just filter by "Price (lowest to highest)." Alternatively, check out our affordable round-trip fares from $247 for your next getaway.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from CJU to GMP with Korean Air?
Korean Air flights to Seoul are generally cheaper in the low-season months of January and February. Whether you're in search of a one-way or round-trip ticket, you could score a better deal then.
What is the cheapest time to book flights from Jeju Intl. Airport (CJU) to Gimpo Intl. Airport (GMP) with Korean Air?
For cheap Korean Air fares from Jeju Intl. Airport (CJU) to Gimpo Intl. Airport (GMP), start searching one to three months before your intended departure. Securing domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also affect the price you pay. Sunday is generally the cheapest, while Monday is often the most expensive for domestic flights. You can save 6% on average by choosing to book on a Sunday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Korean Air fly nonstop from Jeju Intl. Airport (CJU) to Gimpo Intl. Airport (GMP)?
Skip the layovers and fly from Jeju Intl. Airport (CJU) to Gimpo Intl. Airport (GMP) on one of Korean Air's 153 direct weekly flights. Use our "Nonstop" and "Airline" filters to find the Korean Air flight that'll arrive at GMP at your preferred time.
How long does it take to fly from CJU to GMP with Korean Air?
It takes approximately 1h 10m to fly nonstop from Jeju Intl. Airport (CJU) to Gimpo Intl. Airport (GMP) with Korean Air.
Which day of the week has the most Korean Air flights from Jeju Intl. Airport (CJU) to Gimpo Intl. Airport (GMP)?
Korean Air has the most flights from Jeju Intl. Airport (CJU) to Gimpo Intl. Airport (GMP) on Friday. With up to 24 daily departures, you'll get the most options and flexibility on this day.
What is the earliest Korean Air flight from CJU to GMP?
The first flight from CJU to GMP with Korean Air leaves at 7:00AM UTC+9. You'll touch down at 8:10AM UTC+9. The last Korean Air flight of the day takes off at 9:10PM UTC+9 and arrives at 10:20PM UTC+9. With approximately 20% fewer cancellations for departures before noon, starting your travel day early is typically the smartest choice.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Korean Air fly into in Seoul?
Jump on a Korean Air flight from Jeju Intl. Airport (CJU) to Seoul, and you'll most likely come in to Gimpo Intl. Airport (GMP). This is the airline's main hub in this destination.
What kind of luggage can I take on a Korean Air flight from Jeju Intl. Airport (CJU) to Gimpo Intl. Airport (GMP)?
For checked luggage, passengers can bring 2 checked-in bags weighing up to 50 lb with dimensions not exceeding 62 inches. You can also travel with 1 cabin bag in the cabin when flying standard economy from CJU to GMP with Korean Air. This carry-on should weigh less than 39 lb and be no larger than 21 inches x 15 inches x 7 inches. Exceeding these restrictions can mean extra charges, so check Korean Air's baggage allowance policies before you pack.
Why fly with Korean Air from CJU to GMP?
With a 5-star airline rating, Korean Air is a favorite of many passengers journeying from CJU to GMP. Plus, if you're a Korean Airlines Skypass and One Key™ member booking through Expedia, you can earn OneKeyCash™* on eligible flights on top of your airline miles.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
What type of plane does Korean Air fly from Jeju Intl. Airport (CJU) to Gimpo Intl. Airport (GMP)?
You'll likely board a Boeing 737-900 or an Airbus A321neo when flying Korean Air from Jeju Intl. Airport (CJU) to Gimpo Intl. Airport (GMP). However, keep in mind that a different plane may be used depending on operational demands.
Can I change or cancel my Korean Air flight from Jeju Intl. Airport (CJU) to Gimpo Intl. Airport (GMP)?
Depending on your fare type, a fee typically applies if you modify or cancel your booking more than 24 hours after it's been confirmed. To find flexible fares, select our "No cancel fee" or "Changes included" filter when you search for flights. For more details on changing or canceling your reservation, go to "Trips," select your flight and click on "Manage Booking."

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