Find flights
When to book
Airlines
FAQs

Cheap flights from Seoul to Jeju City from S$ 368

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 29-1. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — CJU
15 Jan — 22 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Seoul to Jeju City

Enter your travel dates to find the best prices.

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 16 December 2025.

Sun 21-1217:35ICN - CJU
2 stops23h 50mMultiple Airlines
Tue 23-1208:30CJU - ICN
2 stops16h 20mMultiple Airlines
Deal found 15-12S$ 568
Tue 16-1202:20ICN - CJU
2 stops16h 40mMultiple Airlines
Fri 19-1208:00CJU - ICN
2 stops34h 10mMultiple Airlines
Deal found 14-12S$ 617
Wed 17-1215:50ICN - CJU
1 stop22h 10mT'way Air
Fri 19-1216:00CJU - ICN
1 stop25h 55mT'way Air
Deal found 14-12S$ 686
Wed 17-1220:50ICN - CJU
2 stops21h 05mChina Eastern
Wed 24-1213:50CJU - ICN
2 stops22h 25mChina Eastern
Deal found 14-12S$ 833
Sun 21-1212:30ICN - CJU
1 stop22h 40mMultiple Airlines
Sun 28-1218:55CJU - ICN
2 stops16h 20mMultiple Airlines
Deal found 15-12S$ 871
Wed 17-1211:15ICN - CJU
2 stops7h 45mMultiple Airlines
Wed 24-1216:00CJU - ICN
1 stop5h 55mMultiple Airlines
Deal found 14-12S$ 884

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 16 December 2025.

Round-trip from

S$ 368

Popular in

October

Cheapest in

November

Average price

S$ 79

Good round-trip deal

S$ 39 or less

Good one-way deal

S$ 32 or less
29-1-5-2
  • 29-1-5-2
  • 2 total stops
  • 20h 25m total
  • Seoul to Jeju City
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (S$ 0 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (S$ 6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
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

 
Customise 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 200,618 searches. Data last updated 16 December 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

IncheonJeju City

ICN - CJU

ICNCJU

Incheon Intl

Thu 29-1

12:30-22:30

1 stop10h 00m

Jeju City

Thu 5-2

07:45-18:10

1 stop10h 25m

S$ 368

IncheonJeju City

ICN - CJU

ICNCJU

Incheon Intl

Thu 30-4

07:30-14:00

1 stop6h 30m

Jeju City

Sun 3-5

07:55-05:30

2 stops21h 35m

S$ 690

IncheonJeju City

ICN - CJU

ICNCJU

Incheon Intl

Fri 23-1

20:00-10:45

1 stop14h 45m

Jeju City

Tue 27-1

11:45-19:20

1 stop7h 35m

S$ 743

IncheonJeju City

ICN - CJU

ICNCJU

Incheon Intl

Wed 29-4

13:35-21:05

1 stop7h 30m

Jeju City

Sun 3-5

22:05-16:35

1 stop18h 30m

S$ 838

IncheonJeju City

ICN - CJU

ICNCJU

Incheon Intl

Thu 30-4

17:50-21:05

1 stop27h 15m

Jeju City

Sun 3-5

22:05-12:35

1 stop14h 30m

S$ 909

IncheonJeju City

ICN - CJU

ICNCJU

Incheon Intl

Wed 20-5

10:45-21:20

1 stop10h 35m

Jeju City

Thu 21-5

22:20-11:30

1 stop13h 10m

S$ 1,213

IncheonJeju City

ICN - CJU

ICNCJU

Incheon Intl

Fri 27-3

10:50-21:25

1 stop10h 35m

Jeju City

Sun 29-3

22:20-11:30

1 stop13h 10m

S$ 1,215

IncheonJeju City

ICN - CJU

ICNCJU

Incheon Intl

Tue 5-5

16:45-07:15

1 stop14h 30m

S$ 681

IncheonJeju City

ICN - CJU

ICNCJU

Incheon Intl

Sat 9-5

16:45-07:15

1 stop14h 30m

S$ 691

IncheonJeju City

ICN - CJU

ICNCJU

Incheon Intl

Fri 20-2

12:35-18:55

1 stop30h 20m

S$ 698

Flights are sorted by cheapest return flights first.

Deals found on 15-12

Showing 1-10 of 15 results
1
2

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 return 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 return flight from Seoul to Jeju City. Price data was last updated on 12 December 2025.

The price you pay for your flight from Seoul to Jeju City may vary depending on when you book. For the best chance of a lower fare, look to book 9 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, December is the cheapest month in which you can book a flight from Seoul to Jeju City (average of S$ 28). Flying from Seoul to Jeju City in October is currently the most expensive (average of S$ 55). 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 16 December 2025.

Unlike at midday, when flights are generally more expensive, you can save up to 33% on flights from Seoul to Jeju City by exploring options for tickets in the evening.

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

Use this chart to determine the cheapest time to fly return from Seoul to Jeju City. Price data was last updated on 13 December 2025.

Travellers seeking maximum savings on their Seoul to Jeju City flight should consider departing on Saturday 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.

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 16 December 2025.

The most flights from SEL to CJU are scheduled on a Friday (137 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (125 on average).

How much does it cost for a return flight from Seoul to Jeju City?

How often are flights from Seoul to Jeju City delayed?

About 17% of weekly flights between Seoul and Jeju City have experienced delays in the past year, with the average delay time being 83 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 past year, Air Busan have had the lowest number of delays on this route, with just 11% of flights being delayed.

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 16 December 2025.
Check out reviews from past customers who have flown with Jin Air, Korean Air, andAsiana Airlines from Seoul to Jeju City to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Jin Air
8.7
Very Good
20 reviews
Check prices

Boarding

8.8

Food

7.9

Comfort

8.3

Overall

8.7

Entertainment

7.9

Crew

9.1
Jin Air
8.7
Very Good
20 reviews
Jin Air
8.7
Very Good
20 reviews
Check prices

Boarding

8.8

Food

7.9

Comfort

8.3

Overall

8.7

Entertainment

7.9

Crew

9.1
Korean Air
8.4
Very Good
1,186 reviews
Jin Air
8.7
Very Good
20 reviews
Check prices

Boarding

8.8

Food

7.9

Comfort

8.3

Overall

8.7

Entertainment

7.9

Crew

9.1
Asiana Airlines
8.2
Very Good
493 reviews
Jin Air
8.7
Very Good
20 reviews
Check prices

Boarding

8.8

Food

7.9

Comfort

8.3

Overall

8.7

Entertainment

7.9

Crew

9.1
Jeju Air
7.6
Good
36 reviews
Jin Air
8.7
Very Good
20 reviews
Check prices

Boarding

8.8

Food

7.9

Comfort

8.3

Overall

8.7

Entertainment

7.9

Crew

9.1

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?

    Located just 2.7 km from the city centre, Jeju City is the airport most travellers will use when flying to Jeju City from Seoul. Booking flights from Seoul to Jeju (CJU) should be relatively easy as there are 128 daily inbound flights from Seoul from 6 different airlines.

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

    For as low as S$ 743, Juneyao Airlines can have you in Jeju City from Seoul in 14h 45m. Seoul and Jeju City are separated by a distance of 438 km.

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

    Flying on Eastar Jet is currently your cheapest option to Jeju City, with prices starting at S$ 27. Additional round-trip tickets that might be worth considering are offered by Jin Air and Jeju Air, with the lowest prices starting at S$ 31 and S$ 36, respectively. Eastar Jet is currently priced 72% below the average price you’ll pay for this route.

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

    To fly one-way, consider booking your trip with Jeju Air, which is currently one of the cheapest options available, starting at S$ 18. T'way Air flights start at S$ 21 while deals on Jin Air start at S$ 21 one-way.

  • 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 holiday 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, December is the cheapest month in which you can book a flight from Seoul to Jeju City (average of S$ 28). Flying from Seoul to Jeju City in October is currently the most expensive (average of S$ 55). 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

Travelling to a place near Jeju City?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly from Seoul to Jeju City on these airlines

Choose from the following airlines for your flight from Seoul to Jeju City. Flights are based on user searches made on Cheapflights and were last updated on 16 December 2025.
Korean Air flights from Seoul to Jeju City
Asiana Airlines flights from Seoul to Jeju City
Jeju Air flights from Seoul to Jeju City

Top 6 airlines flying from Seoul to Jeju City

Discover the top 6 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 200,618 searches. Data last updated 16 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Eastar JetCheapestS$ 27AverageS$ 157FlexibilityNo cancel feeOn-time86%
Search Eastar Jet flights
Jin AirCheapestS$ 31AverageS$ 84FlexibilityNo cancel feeOn-time78%
Search Jin Air flights
Jeju AirCheapestS$ 39AverageS$ 110FlexibilityNo cancel feeOn-timeN/A
Search Jeju Air flights
T'way AirCheapestS$ 44AverageS$ 86FlexibilityNo cancel feeOn-time88%
Search T'way Air flights
Asiana AirlinesCheapestS$ 71AverageS$ 125FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
Korean AirCheapestS$ 79AverageS$ 112FlexibilityNo cancel feeOn-time81%
Search Korean Air flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Seoul to Jeju City?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Seoul to Jeju City. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Seoul to Jeju City?

Millions of users choose and trust Cheapflights to book the best flight deals from Seoul to Jeju City for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Seoul to Jeju City with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Seoul to Jeju City flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Seoul to Jeju City become cheaper?

Yes! Start tracking prices for Seoul to Jeju City flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book With Flexibility

Our users can plan ahead with confidence and find flights with no change fees.

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.