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Jeju City

$21+ Cheap flights from Seoul (SEL) to Jeju City (CJU)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/2. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — CJU
Nov 15 — Nov 221
Sat 11/15
Sat 11/22
1 adult, Economy
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Cheapflights Tip: The best prices from Seoul to Jeju City are usually found in March or September, booked 75 days in advance, depart on a Tuesday or Monday and return on a Wednesday

Cheap flight deals from Seoul to Jeju City

Discover tips and strategies to find the most affordable flight options for your journey from Seoul (SEL) to Jeju City (CJU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$45
(Jin Air)

One-way from

$21
(T'way Air)

Popular in

October

Cheapest in

March

Average price

$103

Good round-trip deal

$69 or less

Good one-way deal

$33 or less
Provider with most accurate pricing for Seoul (SEL)-Jeju City flight deals.
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Provider most trusted by Cheapflights users for Seoul (SEL)-Jeju City flights.
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From Seoul (SEL) to Jeju City
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One-way flight from Seoul (SEL) to Jeju City
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Highest demand for flights based on searches. 6% potential increase in price ($4 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($2 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Seoul (SEL) to Jeju City.
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Price to beat on a one-way flight from Seoul (SEL) to Jeju City.
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Find flight deals from Seoul to Jeju City

Cheapest flights from Seoul to Jeju City
Explore the most affordable flight options available from Seoul to Jeju City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 16, 2025.

This Jin Air deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jin Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/238:00 pmGMP - CJU
Nonstop1h 15mJin Air
Tue 11/257:00 amCJU - GMP
Nonstop1h 15mJin Air
Deal found 10/15$45
This T'way Air deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure T'way Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/225:15 pmGMP - CJU
Nonstop1h 15mT'way Air
Sun 10/268:15 amCJU - GMP
Nonstop1h 15mT'way Air
Deal found 10/16$46
This Trip.com deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/85:55 pmGMP - CJU
Nonstop1h 15mJin Air
Thu 11/137:00 amCJU - GMP
Nonstop1h 15mJin Air
Deal found 10/15$47
This Asiana Airlines deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/98:30 pmGMP - CJU
Nonstop1h 15mAsiana Airlines
Tue 11/116:15 amCJU - GMP
Nonstop1h 15mAsiana Airlines
Deal found 10/16$48
This Asiana Airlines deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/58:25 pmGMP - CJU
Nonstop1h 15mAsiana Airlines
Sat 11/86:15 amCJU - GMP
Nonstop1h 15mAsiana Airlines
Deal found 10/15$49
This Asiana Airlines deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/166:55 pmGMP - CJU
Nonstop1h 15mAsiana Airlines
Sun 10/196:55 amCJU - GMP
Nonstop1h 15mAsiana Airlines
Deal found 10/15$50
This Kiwi.com deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/88:00 pmGMP - CJU
Nonstop1h 15mJin Air
Wed 11/127:00 amCJU - GMP
Nonstop1h 15mJin Air
Deal found 10/15$51
This Asiana Airlines deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/189:00 pmGMP - CJU
Nonstop1h 15mAsiana Airlines
Mon 10/208:00 amCJU - GMP
Nonstop1h 15mAsiana Airlines
Deal found 10/16$52
This Asiana Airlines deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/89:30 pmGMP - CJU
Nonstop1h 15mAsiana Airlines
Wed 11/126:15 amCJU - GMP
Nonstop1h 15mAsiana Airlines
Deal found 10/15$53
This Asiana Airlines deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/65:20 pmGMP - CJU
Nonstop1h 15mAsiana Airlines
Wed 11/126:05 amCJU - GMP
Nonstop1h 15mAsiana Airlines
Deal found 10/15$54
This Jeju Air deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/76:20 pmGMP - CJU
Nonstop1h 15mJeju Air
Tue 11/117:25 amCJU - GMP
Nonstop1h 20mJeju Air
Deal found 10/15$55
This Asiana Airlines deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/158:25 pmGMP - CJU
Nonstop1h 15mAsiana Airlines
Sat 11/226:05 amCJU - GMP
Nonstop1h 15mAsiana Airlines
Deal found 10/16$56

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seoul to Jeju City that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 16, 2025.
Use the filters below to find and compare flights from Seoul to Jeju City that are best for you.

Fly from

Seoul

Fly to

Jeju City

Route

Depart

Return

Price

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

Sat 11/8

5:55 pm-7:10 pm

Nonstop1h 15m

Jeju City

Tue 11/11

7:00 am-8:15 am

Nonstop1h 15m

$45

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

Sun 10/26

4:35 pm-6:00 pm

Nonstop1h 25m

Jeju City

Fri 10/31

7:10 am-8:25 am

Nonstop1h 15m

$45

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

Sat 11/1

7:30 pm-8:45 pm

Nonstop1h 15m

Jeju City

Wed 11/5

7:10 am-8:25 am

Nonstop1h 15m

$45

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

Mon 1/19

7:50 pm-9:05 pm

Nonstop1h 15m

Jeju City

Wed 1/21

7:15 am-8:30 am

Nonstop1h 15m

$46

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

Sun 11/9

8:30 pm-9:45 pm

Nonstop1h 15m

Jeju City

Wed 11/12

6:10 am-7:25 am

Nonstop1h 15m

$48

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

Mon 12/1

5:55 pm-7:10 pm

Nonstop1h 15m

Jeju City

Mon 12/1

8:50 pm-10:05 pm

Nonstop1h 15m

$48

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

Sat 11/22

8:25 pm-9:40 pm

Nonstop1h 15m

Jeju City

Tue 11/25

7:25 am-8:45 am

Nonstop1h 20m

$48

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

Tue 11/4

8:30 pm-9:45 pm

Nonstop1h 15m

Jeju City

Fri 11/7

6:10 am-7:25 am

Nonstop1h 15m

$49

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

Mon 3/16

7:50 pm-9:05 pm

Nonstop1h 15m

Jeju City

Wed 3/18

7:15 am-8:30 am

Nonstop1h 15m

$50

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

Sat 11/8

9:30 pm-10:45 pm

Nonstop1h 15m

Jeju City

Tue 11/11

6:05 am-7:20 am

Nonstop1h 15m

$53

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/16

Showing 1-10 of 39 results
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Compare providers for flights from Seoul to Jeju City

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seoul to Jeju City in October.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy2 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Seoul-Jeju City flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seoul-Jeju City flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seoul-Jeju City flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seoul-Jeju City flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seoul-Jeju City flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Seoul to Jeju City

Have a flexible travel schedule? Discover the best time to fly to Jeju City from Seoul with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Seoul to Jeju City

How far ahead should I book a flight from Seoul to Jeju City?

Use this chart to determine the optimal time to book a round-trip flight from Seoul to Jeju City. Price data was last updated on October 10, 2025.

The best time to book flights from Seoul to Jeju City is 75 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Seoul to Jeju City?

Currently, March is the cheapest month in which you can book a flight from Seoul to Jeju City (average of $23). Flying from Seoul to Jeju City in October is currently the most expensive (average of $50). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SEL to CJU?

Find hourly flight availability from Seoul to Jeju City. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 16, 2025.

It’s optimal to fly from Seoul to Jeju City in the evening. By choosing this option you can save up to 42% on the cost of your flight, compared to a flight in the morning.

What is the cheapest day to fly from Seoul to Jeju City?

Use this chart to determine the cheapest time to fly round-trip from Seoul to Jeju City. Price data was last updated on October 12, 2025.

Travelers seeking maximum savings on their Seoul to Jeju City flight should consider departing on Wednesday evenings when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Seoul to Jeju City

Explore weekly flight availability from Seoul to Jeju City. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated October 16, 2025.

The most flights from SEL to CJU are scheduled on a Wednesday (132 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (119 on average).

How much does it cost to fly round-trip from Seoul to Jeju City?

The best insider tips for Seoul to Jeju City flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Seoul to Jeju City trip
Airports
GMP

Security at GMP can get busy, especially during rush-hour periods. Check live boarding times on the airport homepage for updates.

Read more about GMPby John Walton
CJU

The Airport Limousine Bus 600 is the best way to travel from CJU to hotels, running every 15 minutes from 6 am to 11 pm.

Read more about CJUby Joe Minihane
Our travel experts
John Walton

John Walton

Expert on GMP

John Walton

John Walton

Independent aviation journalist John Walton took his first flight at eight weeks old and hasn’t stopped travelling since. A world-renowned expert in airlines and the passenger experience, he writes in depth on aviation, is a resident expert on travel in Japan and France, and offers a uniquely queer perspective on travelling the world.

Read more
Joe Minihane

Joe Minihane

Expert on CJU

Joe Minihane

Joe Minihane

Joe has been obsessed with travel and flying ever since he was a child. He's a freelance travel journalist and author, and his work has appeared in The Times, Guardian and CNN. As a Europe obsessive, he has stayed in Zurich on a swimming adventure around the city, used Geneva as a base for Alpine adventures and spent time in Copenhagen soaking up the world class culture and cuisine, all the while exploring the best hotels these cities have to offer.

Read more

Reviews of airlines servicing Jeju City

Get insights into the airlines that provide service to Jeju City. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Jeju City. Reviews last updated October 16, 2025.
Get a feel of what it's like to fly with Jin Air, Korean Air, and Asiana Airlines from Seoul to Jeju City by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Jin Air
8.7
Very good
20 reviews

Comfort

8.3

Crew

9.1

Overall

8.7

Boarding

8.8

Entertainment

7.9

Food

7.9
Jin Air
8.7
Very good
20 reviews
Jin Air
8.7
Very good
20 reviews

Comfort

8.3

Crew

9.1

Overall

8.7

Boarding

8.8

Entertainment

7.9

Food

7.9
Korean Air
8.4
Very good
1,149 reviews
Jin Air
8.7
Very good
20 reviews

Comfort

8.3

Crew

9.1

Overall

8.7

Boarding

8.8

Entertainment

7.9

Food

7.9
Asiana Airlines
8.2
Very good
486 reviews
Jin Air
8.7
Very good
20 reviews

Comfort

8.3

Crew

9.1

Overall

8.7

Boarding

8.8

Entertainment

7.9

Food

7.9
Jeju Air
7.7
Good
34 reviews
Jin Air
8.7
Very good
20 reviews

Comfort

8.3

Crew

9.1

Overall

8.7

Boarding

8.8

Entertainment

7.9

Food

7.9

Related info for your journey

Find useful and relevant information for your journey from Seoul to Jeju City. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Jeju City from Seoul?

    Jeju City (CJU), located 1.7 mi from the city center, is the airport you fly into when you book flights from Seoul to Jeju City. 8 airlines have flights to Jeju from Seoul on a regular basis. Booking flights from Seoul to Jeju City should not be difficult; the airport handles an average of 123 inbound flights from Seoul per day.

  • How long is the flight from Seoul to Jeju City?

    A quick flight from Seoul to Jeju City can take about 1h 15m. Jin Air provides one of the quickest options available for as low as $45. The distance between Seoul and Jeju City is about 280 mi. Most flights are nonstop.

  • What are the cheapest airlines flying from Seoul to Jeju City round-trip?

    According to our current data, T'way Air ($26), Air Busan ($27), and Air Seoul ($28) offers the cheapest pricing from Seoul to Jeju City. T'way Air is currently priced 66% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Seoul to Jeju City one-way?

    $21 is the cheapest one-way deal found within the past few days, from Jeju Air. You may also be able to find cheap deals on Asiana Airlines and T'way Air, with prices starting from $21 and $21, respectively.

  • Can I find deals for flights from Seoul to Jeju City that include hotel bookings?

    Yes. In addition to deals on Seoul to Jeju City flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seoul to Jeju City?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seoul to Jeju City.

  • Can I find deals for business class flights from Seoul to Jeju City?

    Yes. Cheapflights offers flight deals from Seoul to Jeju City by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seoul to Jeju City?

    Currently, March is the cheapest month in which you can book a flight from Seoul to Jeju City (average of $23). Flying from Seoul to Jeju City in October is currently the most expensive (average of $50). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Jeju City?

Book flights to Jeju City if you plan to visit one of these locations
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Alternative routes for Seoul to Jeju City

See prices for flight routes from nearby airports that may be better suited for you.
Cheongju to Jeju City flights
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Incheon Intl to Jeju City flights
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Busan to Jeju City flights

Top 8 airlines flying from Seoul to Jeju City

Discover the top 8 airlines that operate flights from Seoul to Jeju City. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
T'way AirCheapest$26Average$69FlexibilityNo cancel feeOn-time88%
Air BusanCheapest$27Average$64FlexibilityNo cancel feeOn-time94%
Air SeoulCheapest$28Average$77FlexibilityNo cancel feeOn-timeN/A
Eastar JetCheapest$29Average$70FlexibilityNo cancel feeOn-time86%
Jin AirCheapest$30Average$65FlexibilityNo cancel feeOn-time78%
Jeju AirCheapest$34Average$74FlexibilityNo cancel feeOn-timeN/A
Asiana AirlinesCheapest$46Average$103FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$51Average$140FlexibilityNo cancel feeOn-time81%

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