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Jeju City

$24+ 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 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — CJU
août 19 — août 261
mar. 8/19
mar. 8/26
1 adult, Economy
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Cheapflights Tip: The best prices from Seoul to Jeju City are usually found in March or January, booked 75 days in advance, depart on a Tuesday or Monday and return on a Sunday

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 août 14, 2025.

Round-trip from

$43
(Jin Air)

One-way from

$24
(Booking.com)

Popular in

October

Cheapest in

March

Average price

$93

Good round-trip deal

$69 or less

Good one-way deal

$35 or less
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. 13% potential increase in price ($11 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($3 potential savings vs. average RT price).
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Average for round-trip flights in August 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 août 14, 2025.

This Asiana Airlines deal was found by Cheapflights users on 8/12. 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.
mar. 8/198:50 pmGMP - CJU
Nonstop1h 15mAsiana Airlines
mer. 8/208:45 amCJU - GMP
Nonstop1h 15mAsiana Airlines
Deal found 8/12$43
This Jin Air deal was found by Cheapflights users on 8/13. 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.
mer. 9/107:00 pmGMP - CJU
Nonstop1h 15mJin Air
sam. 9/139:00 amCJU - GMP
Nonstop1h 15mJin Air
Deal found 8/13$44
This Jeju Air deal was found by Cheapflights users on 8/12. 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.
dim. 8/318:25 pmGMP - CJU
Nonstop1h 15mJeju Air
mar. 9/211:35 amCJU - GMP
Nonstop1h 15mJeju Air
Deal found 8/12$45
This Asiana Airlines deal was found by Cheapflights users on 8/13. 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.
sam. 8/166:30 pmGMP - CJU
Nonstop1h 15mAsiana Airlines
ven. 8/228:00 amCJU - GMP
Nonstop1h 15mAsiana Airlines
Deal found 8/13$46
This Jeju Air deal was found by Cheapflights users on 8/12. 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.
mer. 9/103:55 pmGMP - CJU
Nonstop1h 15mJeju Air
sam. 9/139:40 amCJU - GMP
Nonstop1h 15mJeju Air
Deal found 8/12$47
This Jin Air deal was found by Cheapflights users on 8/13. 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.
sam. 9/67:00 pmGMP - CJU
Nonstop1h 15mJin Air
mar. 9/99:00 amCJU - GMP
Nonstop1h 15mJin Air
Deal found 8/13$48
This Asiana Airlines deal was found by Cheapflights users on 8/14. 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.
mer. 8/206:00 amGMP - CJU
Nonstop1h 10mAsiana Airlines
lun. 8/258:45 amCJU - GMP
Nonstop1h 15mAsiana Airlines
Deal found 8/14$49
This Jin Air deal was found by Cheapflights users on 8/12. 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.
jeu. 9/43:40 pmGMP - CJU
Nonstop1h 15mJin Air
lun. 9/89:00 amCJU - GMP
Nonstop1h 15mJin Air
Deal found 8/12$50
This Asiana Airlines deal was found by Cheapflights users on 8/12. 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.
sam. 8/236:50 pmGMP - CJU
Nonstop1h 10mAsiana Airlines
mer. 8/278:45 amCJU - GMP
Nonstop1h 15mAsiana Airlines
Deal found 8/12$51
This Jin Air deal was found by Cheapflights users on 8/11. 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.
ven. 8/226:00 amGMP - CJU
Nonstop1h 15mJin Air
ven. 8/229:00 amCJU - GMP
Nonstop1h 15mJin Air
Deal found 8/11$52
This Asiana Airlines deal was found by Cheapflights users on 8/13. 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.
dim. 8/176:00 amGMP - CJU
Nonstop1h 10mAsiana Airlines
ven. 8/228:45 amCJU - GMP
Nonstop1h 15mAsiana Airlines
Deal found 8/13$53
This Booking.com deal was found by Cheapflights users on 8/14. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 8/293:55 pmGMP - CJU
Nonstop1h 15mJeju Air
lun. 9/18:45 amCJU - GMP
Nonstop1h 15mJeju Air
Deal found 8/14$54

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 août 14, 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

mar. 8/19

8:50 pm-10:05 pm

Nonstop1h 15m

Jeju City

mer. 8/20

8:45 am-10:00 am

Nonstop1h 15m

$43

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

lun. 9/29

3:10 pm-4:25 pm

Nonstop1h 15m

Jeju City

mar. 9/30

8:40 am-9:55 am

Nonstop1h 15m

$43

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

sam. 9/13

7:00 pm-8:15 pm

Nonstop1h 15m

Jeju City

mar. 9/16

9:00 am-10:15 am

Nonstop1h 15m

$43

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

mar. 8/19

6:55 pm-8:10 pm

Nonstop1h 15m

Jeju City

ven. 8/22

8:00 am-9:15 am

Nonstop1h 15m

$43

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

lun. 8/18

8:50 pm-10:05 pm

Nonstop1h 15m

Jeju City

jeu. 8/21

8:45 am-10:00 am

Nonstop1h 15m

$43

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

mar. 8/19

6:55 pm-8:10 pm

Nonstop1h 15m

Jeju City

jeu. 8/21

8:45 am-10:00 am

Nonstop1h 15m

$43

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

lun. 9/15

8:50 pm-10:05 pm

Nonstop1h 15m

Jeju City

mer. 9/17

8:00 am-9:15 am

Nonstop1h 15m

$43

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

lun. 8/18

8:50 pm-10:05 pm

Nonstop1h 15m

Jeju City

ven. 8/22

8:45 am-10:00 am

Nonstop1h 15m

$43

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

lun. 8/25

7:10 pm-8:25 pm

Nonstop1h 15m

Jeju City

sam. 8/30

9:40 am-10:55 am

Nonstop1h 15m

$44

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

mer. 9/10

7:00 pm-8:15 pm

Nonstop1h 15m

Jeju City

sam. 9/13

9:00 am-10:15 am

Nonstop1h 15m

$44

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

Showing 1-10 of 39 results
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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

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 August 8, 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 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 août 14, 2025.

It’s optimal to fly from Seoul to Jeju City in the evening. By choosing this option you can save up to 27% 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 August 10, 2025.

Travelers seeking maximum savings on their Seoul to Jeju City flight should consider departing on Monday 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 août 14, 2025.

The most flights from SEL to CJU are scheduled on a Thursday (128 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (91 on average).

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 août 14, 2025.
Get a feel of what it's like to fly with 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.
Korean Air
8.4
Very good
1,131 reviews

Boarding

8.5

Crew

8.7

Overall

8.4

Entertainment

8.2

Food

8.1

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Korean Air
8.4
Very good
1,131 reviews
Korean Air
8.4
Very good
1,131 reviews

Boarding

8.5

Crew

8.7

Overall

8.4

Entertainment

8.2

Food

8.1

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Asiana Airlines
8.2
Very good
473 reviews
Korean Air
8.4
Very good
1,131 reviews

Boarding

8.5

Crew

8.7

Overall

8.4

Entertainment

8.2

Food

8.1

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

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 113 inbound flights from Seoul per day.

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

    According to our current data, Air Seoul ($26), Air Busan ($27), and T'way Air ($28) offers the cheapest pricing from Seoul to Jeju City. Air Seoul is currently priced 67% below the average price you’ll pay for this route.

  • 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.

See more FAQs

Traveling to a place near Jeju City?

Book flights to Jeju City if you plan to visit one of these locations
Seogwipo

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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
Daegu to Jeju City flights
Incheon Intl to Jeju City flights
Gimpo Intl to Jeju City flights
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 août 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air SeoulCheapest$26Average$93FlexibilityNo cancel feeOn-timeN/A
Air BusanCheapest$27Average$68FlexibilityNo cancel feeOn-time94%
T'way AirCheapest$28Average$72FlexibilityNo cancel feeOn-time88%
Jin AirCheapest$31Average$72FlexibilityNo cancel feeOn-time78%
Eastar JetCheapest$35Average$79FlexibilityNo cancel feeOn-time86%
Jeju AirCheapest$37Average$74FlexibilityNo cancel feeOn-timeN/A
Asiana AirlinesCheapest$40Average$107FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$51Average$140FlexibilityNo cancel feeOn-time81%

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