$22 Cheap Flights from Jeju (CJU) to Seoul (GMP)

View $22 flight on Thu, Oct 16, 2025Opens in a new window

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

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Cheap Flights from Jeju to Seoul (CJU-GMP)

Prices were available within the past 7 days and start at $22 for one-way flights and $24 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

T'way Air with baggage
Thu, Sep 25 - Mon, Sep 29
CJU
Jeju City
GMP
Seoul
$24 Roundtrip, found 7 hours ago
$24
Roundtrip
found 7 hours ago
Select T'way Air with baggage flight, departing Thu, Sep 25 from Jeju City to Seoul, returning Mon, Sep 29, priced at $24 found 7 hours ago
T'way Air with baggage
Thu, Sep 25 - Mon, Sep 29
CJU
Jeju City
GMP
Seoul
$27 Roundtrip, found 7 hours ago
$27
Roundtrip
found 7 hours ago
Select T'way Air with baggage flight, departing Thu, Sep 25 from Jeju City to Seoul, returning Mon, Sep 29, priced at $27 found 7 hours ago
T'way Air with baggage
Thu, Sep 25 - Mon, Sep 29
CJU
Jeju City
GMP
Seoul
$28 Roundtrip, found 7 hours ago
$28
Roundtrip
found 7 hours ago
Select T'way Air with baggage flight, departing Thu, Sep 25 from Jeju City to Seoul, returning Mon, Sep 29, priced at $28 found 7 hours ago
T'way Air with baggage
Thu, Sep 25 - Mon, Sep 29
CJU
Jeju City
GMP
Seoul
$29 Roundtrip, found 7 hours ago
$29
Roundtrip
found 7 hours ago
Select T'way Air with baggage flight, departing Thu, Sep 25 from Jeju City to Seoul, returning Mon, Sep 29, priced at $29 found 7 hours ago
T'way Air with baggage
Thu, Sep 25 - Mon, Sep 29
CJU
Jeju City
GMP
Seoul
$30 Roundtrip, found 7 hours ago
$30
Roundtrip
found 7 hours ago
Select T'way Air with baggage flight, departing Thu, Sep 25 from Jeju City to Seoul, returning Mon, Sep 29, priced at $30 found 7 hours ago
T'way Air with baggage
Thu, Sep 25 - Mon, Sep 29
CJU
Jeju City
GMP
Seoul
$31 Roundtrip, found 7 hours ago
$31
Roundtrip
found 7 hours ago
Select T'way Air with baggage flight, departing Thu, Sep 25 from Jeju City to Seoul, returning Mon, Sep 29, priced at $31 found 7 hours ago
T'way Air with baggage
Thu, Sep 25 - Mon, Sep 29
CJU
Jeju City
GMP
Seoul
$32 Roundtrip, found 7 hours ago
$32
Roundtrip
found 7 hours ago
Select T'way Air with baggage flight, departing Thu, Sep 25 from Jeju City to Seoul, returning Mon, Sep 29, priced at $32 found 7 hours ago
T'way Air with baggage
Thu, Sep 25 - Mon, Sep 29
CJU
Jeju City
GMP
Seoul
$34 Roundtrip, found 7 hours ago
$34
Roundtrip
found 7 hours ago
Select T'way Air with baggage flight, departing Thu, Sep 25 from Jeju City to Seoul, returning Mon, Sep 29, priced at $34 found 7 hours ago
T'way Air with baggage
Thu, Sep 25 - Mon, Sep 29
CJU
Jeju City
GMP
Seoul
$35 Roundtrip, found 7 hours ago
$35
Roundtrip
found 7 hours ago
Select T'way Air with baggage flight, departing Thu, Sep 25 from Jeju City to Seoul, returning Mon, Sep 29, priced at $35 found 7 hours ago
Asiana Airlines
Mon, Sep 22 - Tue, Sep 23
CJU
Jeju City
GMP
Seoul
$254 Roundtrip, just found
$254
Roundtrip
just found
Select Asiana Airlines flight, departing Mon, Sep 22 from Jeju City to Seoul, returning Tue, Sep 23, priced at $254 just found

Find the cheapest month to fly from Jeju City (CJU) to Seoul (GMP)

March is typically the cheapest month to fly

From $26 - $242 per traveler.

Frequently asked questions

How much does a flight from Jeju Intl. Airport (CJU) to Gimpo Intl. Airport (GMP) cost?
Get a cheap one-way flight from $22 or cheap return flight from $24 from Jeju Intl. Airport (CJU) to Gimpo Intl. Airport (GMP) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Jeju Intl. Airport (CJU) to Gimpo Intl. Airport (GMP)?
Planning your trip for September is a good way to save, as it's the cheapest month for flights between CJU and GMP. You'll typically find the lowest prices during the off-season.
Which airlines fly direct from Jeju Intl. Airport (CJU) to Gimpo Intl. Airport (GMP)?
You can catch a nonstop flight from Jeju Intl. Airport (CJU) to Gimpo Intl. Airport (GMP) with 8 carriers, including:

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

What is the cheapest airline that flies from Jeju Intl. Airport (CJU) to Gimpo Intl. Airport (GMP)?
Cheap flights from Jeju Intl. Airport (CJU) to Gimpo Intl. Airport (GMP) are often available with low-cost carriers like Asiana Airlines and Jeju Air. Remember that prices can vary based on travel dates, demand and how early you book. With Expedia's search tool, you can easily filter your results to find a CJU to GMP flight that fits your budget.
How many flights per day from Jeju Intl. Airport (CJU) to Gimpo Intl. Airport (GMP)?
Each day on average, 105 nonstop flights take off from Jeju Intl. Airport (CJU) to Gimpo Intl. Airport (GMP). Choose the departure date that best suits your plans.
What are the most popular departure times for flights from Jeju Intl. Airport (CJU) to Gimpo Intl. Airport (GMP)?
More travelers fly between CJU and GMP at 8 PM than at any other point in the day. Looking to skip the crowds? Try choosing a quieter departure window and there's a chance you'll save on your fare as well.
What day of the week has the most flights from CJU to GMP?
Travel on a Saturday if you're after the best selection of flights from Jeju Intl. Airport (CJU) to Gimpo Intl. Airport (GMP).
What is the earliest flight from Jeju Intl. Airport (CJU) to Gimpo Intl. Airport (GMP)?
Take the earliest flight at around 6:55AM UTC+9, leaving from Jeju Intl. Airport (CJU). You'll be flying for around 1h 15m, touching down at Gimpo Intl. Airport (GMP) at approximately 8:10AM UTC+9.
How long does it take to fly from Jeju Intl. Airport (CJU) to Gimpo Intl. Airport (GMP)?
The average flight duration from CJU to GMP is 1 hour and 11 minutes, covering a total distance of 280 mi.
What airline has the least delays from CJU to GMP?
Consider booking with Air Busan if you'd like to fly straight from Jeju Intl. Airport (CJU) to Gimpo Intl. Airport (GMP) without any delays. This airline has the best track record for punctuality, with an on-time score of 90%. Want real-time updates? You can check your flight status using the Expedia App.
What is the best time to fly from Jeju Intl. Airport (CJU) to Gimpo Intl. Airport (GMP)?
To avoid possible delays on the Jeju Intl. Airport (CJU) to Gimpo Intl. Airport (GMP) route, fly before 3 PM. Departures after this hour have a 22% higher chance of cancellation.**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 Seoul from Jeju Intl. Airport (CJU)?
Gimpo Intl. Airport (GMP) is the only airport in Seoul with direct flights from Jeju Intl. Airport (CJU). Explore your options and find affordable fares on Expedia.
Is it cheaper to buy a plane ticket from Jeju Intl. Airport (CJU) to Gimpo Intl. Airport (GMP) last-minute?
Booking your ticket from CJU to GMP just before your journey is generally more expensive. However, if there's some wiggle room with your departure times and dates, you could bag a cheap last-minute fare.
Is it cheaper to book a CJU to GMP flight and hotel package?
Securing a CJU to GMP flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Select from our wide range of accommodations and then add activities, flights and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Jeju Intl. Airport (CJU) to Gimpo Intl. Airport (GMP)?
In most instances, you're able to cancel or reschedule your CJU to GMP flight. However, additional fees may apply, especially if your booking was made more than 24 hours ago. Check your itinerary for the airline's fees and policies on flight changes, or if you need further information, visit our Customer Service portal.

Travel information

Travel information

Origin airport
Jeju Intl.
Destination airport
Gimpo Intl.
Airlines serving
Asiana Airlines, Korean Air, T'way Air with baggage
Roundtrip price
$22
Distance
280 mi
Average flight time
1 hour 12 mins

Book with confidence

Book with confidence

Jeju to Seoul Flights

The cheapest times to fly from Jeju to Seoul

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 Jeju to Seoul are during the month of September. You can find some of the cheapest flights from Jeju to Seoul with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Jeju to Seoul

Sunday is one of the best days to book for cheap flights from Jeju to Seoul: 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 Jeju to Seoul

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 Jeju to Seoul in 2025. You can also book with separate airlines for your outbound and return journeys, from $22 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 Jeju to Seoul 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 Jeju to Seoul 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.

 

Jeju to Seoul Flights

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