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Cheap flights from Seoul to Jeju City from £16

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 20/9. 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 Thursday 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 12 September 2025.

Round-trip from

£36

One-way from

£16

Popular in

October

Cheapest in

March

Average price

£59

Good round-trip deal

£31 or less

Good one-way deal

£20 or less
Jin Air
  • Jin Air
  • 25/9-26/9
  • Nonstop
  • 2h 30m total
  • Seoul to Jeju City
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Jeju Air
  • Jeju Air
  • 20/9
  • Nonstop
  • 1h 15m total
  • Seoul to Jeju City
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£5 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£2 potential savings vs. average return price).
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Average for round-trip flights in September 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 12 September 2025.

Sat 13/918:55GMP - CJU
Nonstop1h 15mAsiana Airlines
Fri 19/906:55CJU - GMP
Nonstop1h 15mAsiana Airlines
Deal found 9/9£36
Thu 18/919:00GMP - CJU
Nonstop1h 15mJin Air
Mon 22/909:00CJU - GMP
Nonstop1h 15mJin Air
Deal found 11/9£37
Mon 13/1020:50GMP - CJU
Nonstop1h 15mAsiana Airlines
Thu 16/1008:00CJU - GMP
Nonstop1h 15mAsiana Airlines
Deal found 12/9£38
Thu 27/1117:55GMP - CJU
Nonstop1h 15mJin Air
Thu 4/1208:15CJU - GMP
Nonstop1h 15mJin Air
Deal found 11/9£38
Thu 18/915:55GMP - CJU
Nonstop1h 15mJeju Air
Sun 21/907:35CJU - GMP
Nonstop1h 15mJeju Air
Deal found 12/9£39
Thu 18/915:55GMP - CJU
Nonstop1h 15mJeju Air
Mon 22/907:35CJU - GMP
Nonstop1h 15mJeju Air
Deal found 12/9£40
Thu 18/918:50GMP - CJU
Nonstop1h 10mAsiana Airlines
Sun 21/906:15CJU - GMP
Nonstop1h 15mAsiana Airlines
Deal found 12/9£41
Sat 20/920:55GMP - CJU
Nonstop1h 15mJin Air
Mon 22/909:00CJU - GMP
Nonstop1h 15mJin Air
Deal found 11/9£41
Mon 20/1019:10GMP - CJU
Nonstop1h 15mJin Air
Wed 22/1007:00CJU - GMP
Nonstop1h 15mJin Air
Deal found 11/9£42
Sun 7/1221:05GMP - CJU
Nonstop1h 10mAsiana Airlines
Tue 9/1207:10CJU - GMP
Nonstop1h 15mAsiana Airlines
Deal found 12/9£43
Thu 11/915:00GMP - CJU
Nonstop1h 15mAsiana Airlines
Mon 15/908:45CJU - GMP
Nonstop1h 15mAsiana Airlines
Deal found 10/9£44

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 858,174 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

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

Thu 25/9

06:10-07:25

Nonstop1h 15m

Jeju City

Fri 26/9

08:40-09:55

Nonstop1h 15m

£36

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

Mon 19/1

20:25-21:40

Nonstop1h 15m

Jeju City

Thu 22/1

20:55-22:10

Nonstop1h 15m

£37

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

Wed 15/10

19:10-20:25

Nonstop1h 15m

Jeju City

Thu 16/10

08:40-09:55

Nonstop1h 15m

£37

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

Mon 13/10

20:50-22:05

Nonstop1h 15m

Jeju City

Thu 16/10

08:00-09:15

Nonstop1h 15m

£38

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

Tue 14/10

19:10-20:25

Nonstop1h 15m

Jeju City

Thu 16/10

08:40-09:55

Nonstop1h 15m

£38

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

Thu 27/11

17:55-19:10

Nonstop1h 15m

Jeju City

Tue 2/12

08:15-09:30

Nonstop1h 15m

£38

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

Sun 12/10

06:15-07:30

Nonstop1h 15m

Jeju City

Wed 15/10

07:00-08:15

Nonstop1h 15m

£39

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

Wed 4/2

19:05-20:15

Nonstop1h 10m

Jeju City

Thu 5/2

07:10-08:25

Nonstop1h 15m

£41

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

Mon 2/2

19:05-20:15

Nonstop1h 10m

Jeju City

Thu 5/2

07:10-08:25

Nonstop1h 15m

£41

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

Sat 10/1

21:05-22:15

Nonstop1h 10m

Jeju City

Tue 13/1

09:50-11:05

Nonstop1h 15m

£41

Flights are sorted by cheapest return flights first.

Deals found on 11/9

Showing 1-10 of 22 results
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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 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 12 September 2025.

It’s optimal to fly from Seoul to Jeju City in the afternoon. By choosing this option you can save up to 20% 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 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 Sunday at midday when fares are most often at their lowest. Thursday at midday 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.
See what other customers who have flown with Korean Air and Asiana Airlines from Seoul to Jeju City have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very Good
1,139 reviews
Check prices

Food

8.1

Boarding

8.5

Overall

8.4

Entertainment

8.2

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!!
Korean Air
8.4
Very Good
1,139 reviews
Korean Air
8.4
Very Good
1,139 reviews
Check prices

Food

8.1

Boarding

8.5

Overall

8.4

Entertainment

8.2

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!!
Asiana Airlines
8.2
Very Good
479 reviews
Korean Air
8.4
Very Good
1,139 reviews
Check prices

Food

8.1

Boarding

8.5

Overall

8.4

Entertainment

8.2

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?

    If you book a flight to Jeju City from Seoul, you will be flying to Jeju, which is the city’s only airport. Jeju City (CJU) is located 1.7 mi from the center of Jeju City. There are 114 flights from Seoul to Jeju per day from 6 different airlines.

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

    There are many flights that can get you from Seoul to Jeju City in 1h 15m. Fly via Jin Air, Jeju Air, or Asiana Airlines to get the fastest option. 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?

    Flying on Air Seoul is currently your cheapest option to Jeju City, with prices starting at £20. Additional return tickets that might be worth considering are offered by Jeju Air and Asiana Airlines, with the lowest prices starting at £22 and £32, respectively. Air Seoul is 65% cheaper than the average price of flights available within the next 90 days to this destination.

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

    £17 is the cheapest one-way deal found within the past few days, from Jin Air. You may also be able to find cheap deals on T'way Air and Asiana Airlines, with prices starting from £17 and £18, 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 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.

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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Alternative routes for Seoul to Jeju City

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

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 858,174 searches. Data last updated 12 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Air SeoulCheapest£20Average£73FlexibilityNo cancel feeOn-timeN/A
Search Air Seoul flights
Jeju AirCheapest£22Average£48FlexibilityNo cancel feeOn-timeN/A
Search Jeju Air flights
Asiana AirlinesCheapest£32Average£61FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
T'way AirCheapest£36Average£60FlexibilityNo cancel feeOn-time88%
Search T'way Air flights
Korean AirCheapest£36Average£69FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
Jin AirCheapest£37Average£77FlexibilityNo cancel feeOn-time78%
Search Jin Air flights

Fly with Cheapflights

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

Cheapflights makes it easy to find Seoul to Jeju City flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

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

Need flexible booking options for your flight to Jeju City from Seoul? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Jeju City from Seoul today and book when prices fit your budget.

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