Cheap flights from Seoul to Jeju City from S$ 348

This is the cheapest retur 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
12 Oct — 19 Oct1
1 adult
1 adult, Economy

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 Sunday or Wednesday and return on a Monday

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 12 September 2025.

Round-trip from

S$ 348

Popular in

October

Cheapest in

March

Average price

S$ 103

Good round-trip deal

S$ 90 or less

Good one-way deal

S$ 42 or less
9-11-11-11
  • 9-11-11-11
  • 4 total stops
  • 59h 35m total
  • Seoul to Jeju City
Highest demand for flights based on searches. 12% potential increase in price (S$ 17 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (S$ 5 potential savings vs. average return price).
Average for round-trip flights in September 2025
Price to beat on a round-trip flight from Seoul (SEL) to Jeju City.
Price to beat on a one-way flight from Seoul (SEL) to Jeju City.

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 12 September 2025.

Sun 9-1121:45ICN - CJU
2 stops23h 35mMultiple Airlines
Tue 11-1122:20CJU - ICN
2 stops36h 00mMultiple Airlines
Deal found 9-9S$ 348
Wed 10-1209:25ICN - CJU
1 stop11h 30mMultiple Airlines
Mon 22-1222:20CJU - ICN
2 stops18h 10mMultiple Airlines
Deal found 12-9S$ 368
Wed 10-1220:50ICN - CJU
2 stops21h 05mMultiple Airlines
Fri 12-1215:40CJU - ICN
1 stop20h 15mMultiple Airlines
Deal found 10-9S$ 398
Wed 10-1220:50ICN - CJU
2 stops16h 00mChina Eastern
Wed 17-1213:50CJU - ICN
2 stops21h 25mChina Eastern
Deal found 10-9S$ 405
Wed 10-1216:10ICN - CJU
1 stop20h 40mMultiple Airlines
Wed 17-1213:50CJU - ICN
1 stop22h 05mMultiple Airlines
Deal found 10-9S$ 412
Sun 9-1120:50ICN - CJU
2 stops16h 00mChina Eastern
Sun 16-1118:55CJU - ICN
2 stops16h 20mChina Eastern
Deal found 9-9S$ 414
Sun 26-1011:20ICN - CJU
2 stops22h 45mMultiple Airlines
Sun 2-1111:10CJU - ICN
2 stops24h 25mMultiple Airlines
Deal found 11-9S$ 425

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 12 September 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

Sun 9-11

11:20-10:05

2 stops22h 45m

Jeju City

Tue 11-11

22:20-11:00

1 stop12h 40m

S$ 348

IncheonJeju City

ICN - CJU

ICNCJU

Incheon Intl

Wed 10-12

09:25-20:55

1 stop11h 30m

Jeju City

Mon 22-12

22:20-16:30

2 stops18h 10m

S$ 368

IncheonJeju City

ICN - CJU

ICNCJU

Incheon Intl

Sun 9-11

14:30-12:50

1 stop22h 20m

Jeju City

Sun 16-11

18:55-11:15

2 stops16h 20m

S$ 419

IncheonJeju City

ICN - CJU

ICNCJU

Incheon Intl

Sun 26-10

11:20-10:05

2 stops22h 45m

Jeju City

Sun 2-11

11:10-11:35

2 stops24h 25m

S$ 425

IncheonJeju City

ICN - CJU

ICNCJU

Incheon Intl

Wed 10-12

16:20-12:50

1 stop20h 30m

Jeju City

Mon 22-12

13:50-11:55

1 stop22h 05m

S$ 435

IncheonJeju City

ICN - CJU

ICNCJU

Incheon Intl

Tue 3-2

15:45-06:40

1 stop14h 55m

Jeju City

Thu 5-2

07:55-21:05

1 stop13h 10m

S$ 670

IncheonJeju City

ICN - CJU

ICNCJU

Incheon Intl

Sat 25-10

13:05-21:35

1 stop8h 30m

Jeju City

Sat 1-11

22:35-21:55

1 stop23h 20m

S$ 691

IncheonJeju City

ICN - CJU

ICNCJU

Incheon Intl

Wed 8-10

22:40-10:40

1 stop12h 00m

S$ 349

IncheonJeju City

ICN - CJU

ICNCJU

Incheon Intl

Wed 8-10

18:25-12:30

1 stop18h 05m

S$ 458

IncheonJeju City

ICN - CJU

ICNCJU

Incheon Intl

Tue 7-10

12:55-12:30

1 stop23h 35m

S$ 489

Flights are sorted by cheapest return flights first.

Deals found on 11-9

Showing 1-10 of 14 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 29 August 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 75 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, January is the cheapest month in which you can book a flight from Seoul to Jeju City (average of S$ 250). Flying from Seoul to Jeju City in October is currently the most expensive (average of S$ 462). 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 12 September 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 29% 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 7 September 2025.

Travellers 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.

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 12 September 2025.

The most flights from SEL to CJU are scheduled on a Thursday (123 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (102 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 12 September 2025.
Check out reviews from past customers who have flown with Korean Air and Asiana 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.

Boarding

8.5

Overall

8.4

Entertainment

8.2

Food

8.1

Crew

8.7

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!!

Boarding

8.5

Overall

8.4

Entertainment

8.2

Food

8.1

Crew

8.7

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!!

Boarding

8.5

Overall

8.4

Entertainment

8.2

Food

8.1

Crew

8.7

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?

    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 114 daily inbound flights from Seoul from 6 different airlines.

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

    For as low as S$ 419, China Eastern can have you in Jeju City from Seoul in 22h 20m. 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 Jin Air is currently your cheapest option to Jeju City, with prices starting at S$ 46. Additional round-trip tickets that might be worth considering are offered by Eastar Jet and Jeju Air, with the lowest prices starting at S$ 46 and S$ 51, respectively. Jin Air is currently priced 55% 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 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, January is the cheapest month in which you can book a flight from Seoul to Jeju City (average of S$ 250). Flying from Seoul to Jeju City in October is currently the most expensive (average of S$ 462). 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

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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 12 September 2025.

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 12 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Jin AirCheapestS$ 46AverageS$ 93FlexibilityNo cancel feeOn-time78%
Search Jin Air flights
Eastar JetCheapestS$ 46AverageS$ 77FlexibilityNo cancel feeOn-time86%
Search Eastar Jet flights
Jeju AirCheapestS$ 51AverageS$ 103FlexibilityNo cancel feeOn-timeN/A
Search Jeju Air flights
Asiana AirlinesCheapestS$ 73AverageS$ 126FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
T'way AirCheapestS$ 75AverageS$ 100FlexibilityNo cancel feeOn-time88%
Search T'way Air flights
Korean AirCheapestS$ 78AverageS$ 125FlexibilityNo cancel feeOn-time81%
Search Korean Air flights

Fly with Cheapflights

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

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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.

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