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Jeju City

$16+ 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 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — CJU
Aug 31 — Sep 71
Mon 8/31
Mon 9/7
1 adult, Economy
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Find cheap flights from Seoul to Jeju City with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from Seoul to Jeju City are usually found in January or March, booked 9 days in advance, depart on a Tuesday or Sunday and return on a Wednesday

Cheap 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 August 1, 2026.

This CheapOair deal was found by Cheapflights users on 7/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/117:05 pm
GMP
-
CJU
Nonstop1h 15m
Jin Air
Thu 8/137:20 am
CJU
-
GMP
Nonstop1h 15m
Jin Air
Deal found 7/29$61
This Jin Air deal was found by Cheapflights users on 7/30. 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.
Tue 8/257:00 pm
GMP
-
CJU
Nonstop1h 15m
Jin Air
Thu 8/278:25 am
CJU
-
GMP
Nonstop1h 15m
Jin Air
Deal found 7/30$62
This T'way Air deal was found by Cheapflights users on 7/30. 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.
Tue 8/186:00 pm
GMP
-
CJU
Nonstop1h 15m
T'way Air
Fri 8/217:50 am
CJU
-
GMP
Nonstop1h 15m
T'way Air
Deal found 7/30$63
This Eastar Jet deal was found by Cheapflights users on 7/30. 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 Eastar Jet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/167:10 pm
GMP
-
CJU
Nonstop1h 15m
Eastar Jet
Thu 8/208:55 am
CJU
-
GMP
Nonstop1h 15m
Eastar Jet
Deal found 7/30$64
This T'way Air deal was found by Cheapflights users on 7/29. 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.
Tue 8/187:00 pm
GMP
-
CJU
Nonstop1h 15m
T'way Air
Thu 8/207:50 am
CJU
-
GMP
Nonstop1h 15m
T'way Air
Deal found 7/29$65
This Jeju Air deal was found by Cheapflights users on 7/29. 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.
Tue 8/186:05 pm
ICN
-
CJU
Nonstop1h 20m
Jeju Air
Fri 8/213:55 pm
CJU
-
ICN
Nonstop1h 15m
Jeju Air
Deal found 7/29$65
This Jeju Air deal was found by Cheapflights users on 8/1. 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.
Sat 8/227:15 pm
GMP
-
CJU
Nonstop1h 15m
Jeju Air
Mon 8/248:15 am
CJU
-
GMP
Nonstop1h 15m
Jeju Air
Deal found 8/1$66
This Jin Air deal was found by Cheapflights users on 7/29. 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.
Tue 8/257:05 pm
GMP
-
CJU
Nonstop1h 15m
Jin Air
Fri 8/287:20 am
CJU
-
GMP
Nonstop1h 15m
Jin Air
Deal found 7/29$67
This T'way Air deal was found by Cheapflights users on 7/31. 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.
Sat 8/226:00 pm
GMP
-
CJU
Nonstop1h 15m
T'way Air
Wed 8/267:50 am
CJU
-
GMP
Nonstop1h 15m
T'way Air
Deal found 7/31$68
This Jeju Air deal was found by Cheapflights users on 7/31. 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.
Mon 8/108:25 pm
GMP
-
CJU
Nonstop1h 15m
Jeju Air
Thu 8/137:10 am
CJU
-
GMP
Nonstop1h 15m
Jeju Air
Deal found 7/31$69
This Jin Air deal was found by Cheapflights users on 7/28. 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.
Mon 8/107:00 pm
GMP
-
CJU
Nonstop1h 15m
Jin Air
Thu 8/137:05 am
CJU
-
GMP
Nonstop1h 15m
Jin Air
Deal found 7/28$70
This Jin Air deal was found by Cheapflights users on 7/28. 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.
Thu 8/67:05 pm
GMP
-
CJU
Nonstop1h 15m
Jin Air
Wed 8/127:20 am
CJU
-
GMP
Nonstop1h 15m
Jin Air
Deal found 7/28$71

Find 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 August 1, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$61
(CheapOair)

One-way from

$16
(Booking.com)

Popular in

October

Cheapest in

January

Average price

$95

Good round-trip deal

$86 or less

Good one-way deal

$38 or less
Provider with most accurate pricing for Seoul (SEL)-Jeju City flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seoul (SEL)-Jeju City flights.
Search Deals
From Seoul (SEL) to Jeju City
Search Deals
One-way flight from Seoul (SEL) to Jeju City
Search Deals
High demand for flights, 1% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($3 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals
Price to beat on a round-trip flight from Seoul (SEL) to Jeju City.
Search Deals
Price to beat on a one-way flight from Seoul (SEL) to Jeju City.
Search Deals

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 August 1, 2026.
Use the filters below to find and compare flights from Seoul to Jeju City that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

Mon 8/24

6:00 pm-7:15 pm

Nonstop1h 15m

Jeju City

Wed 8/26

7:50 am-9:05 am

Nonstop1h 15m

$66

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

Tue 10/13

6:20 am-7:35 am

Nonstop1h 15m

Jeju City

Tue 10/13

8:40 am-9:55 am

Nonstop1h 15m

$72

IncheonJeju City

ICN - CJU

ICNCJU

Incheon Intl

Tue 8/18

6:05 pm-7:25 pm

Nonstop1h 20m

Jeju City

Fri 8/21

3:55 pm-5:10 pm

Nonstop1h 15m

$73

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

Sat 8/29

7:05 pm-8:20 pm

Nonstop1h 15m

Jeju City

Tue 9/1

7:00 am-8:15 am

Nonstop1h 15m

$74

IncheonJeju City

ICN - CJU

ICNCJU

Incheon Intl

Mon 8/31

6:05 pm-7:25 pm

Nonstop1h 20m

Jeju City

Fri 9/4

3:55 pm-5:10 pm

Nonstop1h 15m

$80

IncheonJeju City

ICN - CJU

ICNCJU

Incheon Intl

Sat 8/29

6:05 pm-7:25 pm

Nonstop1h 20m

Jeju City

Mon 8/31

3:55 pm-5:10 pm

Nonstop1h 15m

$86

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

Tue 10/6

6:15 am-7:30 am

Nonstop1h 15m

Jeju City

Wed 10/7

7:20 am-8:35 am

Nonstop1h 15m

$90

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

Fri 8/28

6:20 am-7:35 am

Nonstop1h 15m

Jeju City

Sun 8/30

7:10 am-8:25 am

Nonstop1h 15m

$92

IncheonJeju City

ICN - CJU

ICNCJU

Incheon Intl

Mon 8/24

6:05 pm-7:25 pm

Nonstop1h 20m

Jeju City

Mon 8/31

3:55 pm-5:10 pm

Nonstop1h 15m

$98

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

Mon 8/24

7:05 am-4:50 pm

1 stop9h 45m

Jeju City

Wed 8/26

7:05 am-8:20 am

Nonstop1h 15m

$108

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 32 resultsSorted by cheapest first
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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 August.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy2 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

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

Currently, January is the cheapest month in which you can book a flight from Seoul to Jeju City (average of $55). Flying from Seoul to Jeju City in October is currently the most expensive (average of $114). 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 August 1, 2026.

It’s optimal to fly from Seoul to Jeju City in the evening. By choosing this option you can save up to 24% on the cost of your flight, compared to a flight in the afternoon.

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 August 1, 2026.

The most flights from SEL to CJU are scheduled on a Wednesday (127 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (120 on average).

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

Airfare is below average for this route at the moment.
Seoul to Jeju City flights typically cost between $64 and $134 in August.
The cheapest round-trip price found within the last 5 days was $61 on Jin Air (Aug 11-Aug 13).

How often are flights from Seoul to Jeju City delayed?

About 14% of weekly flights between Seoul and Jeju City have experienced delays in the past year, with the average delay time being 81 minutes.

What is the most punctual flight time for Seoul to Jeju City flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Sunday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Seoul to Jeju City flights?

Over the last year, Korean Air have had the lowest number of delays on this route, with just 11% of flights being delayed.

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

The best time to book flights from Seoul to Jeju City is 82 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 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 July 25, 2026.

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. Friday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

The best insider tips for Seoul to Jeju City flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Seoul to Jeju City trip
Our travel experts
John Walton

John Walton

Expert on GMP

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 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 August 1, 2026.
Get a feel of what it's like to fly with Jin Air,Korean Air, andAsiana 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
8.6
Very good
23 reviews

Entertainment

7.6

Food

7.8

Comfort

8.0

Boarding

8.9

Crew

9.2

Overall

8.6
Jin Air
8.6
Very good
23 reviews
Jin Air
8.6
Very good
23 reviews

Entertainment

7.6

Food

7.8

Comfort

8.0

Boarding

8.9

Crew

9.2

Overall

8.6
Korean Air
8.4
Very good
1,223 reviews
Jin Air
8.6
Very good
23 reviews

Entertainment

7.6

Food

7.8

Comfort

8.0

Boarding

8.9

Crew

9.2

Overall

8.6
Asiana Airlines
8.1
Very good
555 reviews
Jin Air
8.6
Very good
23 reviews

Entertainment

7.6

Food

7.8

Comfort

8.0

Boarding

8.9

Crew

9.2

Overall

8.6
Jeju Air
7.6
Good
38 reviews
Jin Air
8.6
Very good
23 reviews

Entertainment

7.6

Food

7.8

Comfort

8.0

Boarding

8.9

Crew

9.2

Overall

8.6

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 $63. 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 ($25), Air Busan ($27), and Jin Air ($33) offers the cheapest pricing from Seoul to Jeju City. T'way Air is currently priced 67% below the average price you’ll pay for this route.

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

    $10 is the cheapest one-way deal found within the past few days, from T'way Air. You may also be able to find cheap deals on Air Seoul and Jin Air, with prices starting from $11 and $11, respectively.

  • What are the cheapest flights from Seoul to Jeju City?

    The cheapest flight price from Seoul to Jeju City is $112. On average you can expect to pay $125. The most popular route, (Seoul Gimpo Intl - Jeju City), can usually be booked for $46.

  • 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, January is the cheapest month in which you can book a flight from Seoul to Jeju City (average of $55). Flying from Seoul to Jeju City in October is currently the most expensive (average of $114). 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.
Daegu to Jeju City flights
Gimpo Intl to Jeju City flights
Incheon 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 August 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
T'way AirCheapest$25Average$84FlexibilityNo cancel feeOn-time88%
Air BusanCheapest$27Average$90FlexibilityNo cancel feeOn-time94%
Jin AirCheapest$33Average$71FlexibilityNo cancel feeOn-time78%
Air SeoulCheapest$33Average$86FlexibilityNo cancel feeOn-timeN/A
Jeju AirCheapest$35Average$104FlexibilityNo cancel feeOn-timeN/A
Asiana AirlinesCheapest$37Average$91FlexibilityNo cancel feeOn-time76%
Eastar JetCheapest$45Average$93FlexibilityNo cancel feeOn-time86%
Korean AirCheapest$56Average$114FlexibilityNo cancel feeOn-time81%

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