$118 Cheap Flights from Seoul (GMP) to Jeju (CJU)

View $118 flight on Wed, May 7, 2025Opens in a new window

Popular airlines from Gimpo Intl. Airport (GMP) to Jeju Intl. Airport (CJU)

Find available prices by choosing your travel dates.

Cheap Flights from Seoul to Jeju (GMP-CJU)

Prices were available within the past 7 days and start at $118 for one-way flights and $237 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Korean Air
Thu, Jun 19 - Sun, Jun 22
GMP
Seoul
CJU
Jeju City
$237 Roundtrip, just found
$237
Roundtrip
just found
Select Korean Air flight, departing Thu, Jun 19 from Seoul to Jeju City, returning Sun, Jun 22, priced at $237 just found
Asiana Airlines
Thu, Jun 19 - Sun, Jun 22
GMP
Seoul
CJU
Jeju City
$242 Roundtrip, just found
$242
Roundtrip
just found
Select Asiana Airlines flight, departing Thu, Jun 19 from Seoul to Jeju City, returning Sun, Jun 22, priced at $242 just found
Korean Air
Wed, Jun 4 - Fri, Jun 6
GMP
Seoul
CJU
Jeju City
$244 Roundtrip, just found
$244
Roundtrip
just found
Select Korean Air flight, departing Wed, Jun 4 from Seoul to Jeju City, returning Fri, Jun 6, priced at $244 just found
Korean Air
Wed, Jun 4 - Sat, Jun 7
GMP
Seoul
CJU
Jeju City
$246 Roundtrip, just found
$246
Roundtrip
just found
Select Korean Air flight, departing Wed, Jun 4 from Seoul to Jeju City, returning Sat, Jun 7, priced at $246 just found
Asiana Airlines
Thu, Jun 19 - Sun, Jun 22
GMP
Seoul
CJU
Jeju City
$247 Roundtrip, just found
$247
Roundtrip
just found
Select Asiana Airlines flight, departing Thu, Jun 19 from Seoul to Jeju City, returning Sun, Jun 22, priced at $247 just found
Asiana Airlines
Sat, May 10 - Sun, May 11
GMP
Seoul
CJU
Jeju City
$252 Roundtrip, found 2 hours ago
$252
Roundtrip
found 2 hours ago
Select Asiana Airlines flight, departing Sat, May 10 from Seoul to Jeju City, returning Sun, May 11, priced at $252 found 2 hours ago
Asiana Airlines
Sat, May 10 - Mon, May 12
GMP
Seoul
CJU
Jeju City
$253 Roundtrip, found 1 day ago
$253
Roundtrip
found 1 day ago
Select Asiana Airlines flight, departing Sat, May 10 from Seoul to Jeju City, returning Mon, May 12, priced at $253 found 1 day ago
Asiana Airlines
Wed, Apr 30 - Thu, May 1
GMP
Seoul
CJU
Jeju City
$300 Roundtrip, found 1 hour ago
$300
Roundtrip
found 1 hour ago
Select Asiana Airlines flight, departing Wed, Apr 30 from Seoul to Jeju City, returning Thu, May 1, priced at $300 found 1 hour ago
Asiana Airlines
Wed, Apr 30 - Thu, May 1
GMP
Seoul
CJU
Jeju City
$301 Roundtrip, found 21 hours ago
$301
Roundtrip
found 21 hours ago
Select Asiana Airlines flight, departing Wed, Apr 30 from Seoul to Jeju City, returning Thu, May 1, priced at $301 found 21 hours ago
Asiana Airlines
Sun, May 4 - Wed, May 7
GMP
Seoul
CJU
Jeju City
$317 Roundtrip, found 2 days ago
$317
Roundtrip
found 2 days ago
Select Asiana Airlines flight, departing Sun, May 4 from Seoul to Jeju City, returning Wed, May 7, priced at $317 found 2 days ago
Asiana Airlines
Thu, May 1 - Mon, May 5
GMP
Seoul
CJU
Jeju City
$352 Roundtrip, found 19 hours ago
$352
Roundtrip
found 19 hours ago
Select Asiana Airlines flight, departing Thu, May 1 from Seoul to Jeju City, returning Mon, May 5, priced at $352 found 19 hours ago
Asiana Airlines
Wed, Apr 30 - Mon, May 5
GMP
Seoul
CJU
Jeju City
$369 Roundtrip, found 19 hours ago
$369
Roundtrip
found 19 hours ago
Select Asiana Airlines flight, departing Wed, Apr 30 from Seoul to Jeju City, returning Mon, May 5, priced at $369 found 19 hours ago
Asiana Airlines
Thu, May 1 - Mon, May 5
GMP
Seoul
CJU
Jeju City
$370 Roundtrip, found 2 days ago
$370
Roundtrip
found 2 days ago
Select Asiana Airlines flight, departing Thu, May 1 from Seoul to Jeju City, returning Mon, May 5, priced at $370 found 2 days ago
Asiana Airlines
Wed, Apr 30 - Wed, May 7
GMP
Seoul
CJU
Jeju City
$387 Roundtrip, found 3 days ago
$387
Roundtrip
found 3 days ago
Select Asiana Airlines flight, departing Wed, Apr 30 from Seoul to Jeju City, returning Wed, May 7, priced at $387 found 3 days ago
Flights from Seoul (GMP) to Jeju (CJU)
Origin airport
Gimpo Intl.
Destination airport
Jeju Intl.
Airlines serving
Asiana Airlines, Korean Air
Roundtrip price
$237
Distance
280 mi

Seoul to Jeju Flights

The cheapest times to fly from Seoul to Jeju

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Seoul to Jeju are during the month of June. You can find some of the cheapest flights from Seoul to Jeju with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Seoul to Jeju

Sunday is one of the best days to book for cheap flights from Seoul to Jeju: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Seoul to Jeju

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Seoul to Jeju in 2025. You can also book with separate airlines for your outbound and return journeys, from $118 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Seoul to Jeju flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Seoul to Jeju airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How much does a flight from Gimpo Intl. Airport (GMP) to Jeju Intl. Airport (CJU) cost?
Cheap return flights from Gimpo Intl. Airport (GMP) to Jeju Intl. Airport (CJU) start at $229. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Korean Air flight leaving GMP on April 27 2025 and touching down at CJU. The price was last updated on April 23 2025 and has not changed since.
What is the cheapest month to fly from GMP to CJU?
The cheapest flights from GMP to CJU are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Gimpo Intl. Airport (GMP) to Jeju Intl. Airport (CJU)?
Take your pick of 8 carriers offering direct routes from Gimpo Intl. Airport (GMP) to Jeju Intl. Airport (CJU). These include:

  • Korean Air
  • Asiana Airlines
  • Jeju Air
  • EASTAR JET
  • TWay Air

What is the cheapest airline that flies from GMP to CJU?
With prices as low as $119 for a one-way journey from GMP to CJU, Korean Air is currently the cheapest carrier for this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from GMP on July 16 2025. Prices were last updated on April 23 2025 and have not changed since.
How many flights per day from Gimpo Intl. Airport (GMP) to Jeju Intl. Airport (CJU)?
When flying out of Gimpo Intl. Airport (GMP), you can choose from an average of 104 daily direct flights to Jeju Intl. Airport (CJU).
What are the most popular departure times for flights from Gimpo Intl. Airport (GMP) to Jeju Intl. Airport (CJU)?
More people fly between GMP and CJU at 12 PM than at any other time of day. Rather go when it’s quieter? Travel outside of rush hours and it’s possible you’ll save on your fare as well.
What day of the week has the most flights from GMP to CJU?
If you fly on a Saturday, you’ll get the widest range of choices for flights from Gimpo Intl. Airport (GMP) to Jeju Intl. Airport (CJU).
What is the earliest flight from Gimpo Intl. Airport (GMP) to Jeju Intl. Airport (CJU)?
Gimpo Intl. Airport (GMP)’s first flight to Jeju Intl. Airport (CJU) departs at approximately 6:05AM UTC+9. With a total travel time of 1h 10m, you’ll touch down at around 7:15AM UTC+9.
How long does it take to fly from Gimpo Intl. Airport (GMP) to Jeju Intl. Airport (CJU)?
Flights from GMP to CJU have an average travel time of 1 hour and 10 minutes. The distance between the two airports is 280 mi.
What airline has the least delays from GMP to CJU?
Consider traveling with Air Busan if you’d like to fly straight from Gimpo Intl. Airport (GMP) to Jeju Intl. Airport (CJU) without any interruptions. This carrier has the best track record for punctuality, with an on-time performance of 91%. Want real-time updates? You can keep an eye on your flight status using the Expedia App.
What is the best time to fly from Gimpo Intl. Airport (GMP) to Jeju Intl. Airport (CJU)?
To avoid possible delays on the Gimpo Intl. Airport (GMP) to Jeju Intl. Airport (CJU) route, travel before 3 PM. Flights after this time have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for Jeju City from Gimpo Intl. Airport (GMP)?
Check out your flight options from Gimpo Intl. Airport (GMP) to Jeju Intl. Airport (CJU). This is the only Jeju City airport you can jet into if you’re taking a direct flight.
Is it cheaper to buy a plane ticket from Gimpo Intl. Airport (GMP) to Jeju Intl. Airport (CJU) last-minute?
Booking your plane ticket from GMP to CJU just before your getaway is generally more expensive. But if you’re flexible with your travel times and dates, you could snag a cheap last-minute fare.
Is it cheaper to book a GMP to CJU flight and hotel package?
Compared with arranging flights and hotels separately, booking a GMP to CJU flight and hotel package with Expedia could lead to significant savings. Better still, managing everything in one place will take the hassle out of travel planning. Simply secure your flights and select from our extensive range of stays, then tailor your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Gimpo Intl. Airport (GMP) to Jeju Intl. Airport (CJU)?
In most instances, you can modify or cancel your GMP to CJU flight. However, additional charges may apply, especially if you booked over 24 hours ago. Check your itinerary for the airline’s fees and guidelines on flight changes, or if you need further details, go to our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.