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Cheap flights from Seoul to Jeju City from £12

SEL — CJU
29 Nov — 6 Dec1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Seoul to Jeju City are usually found in January or March, booked 83 days in advance, depart on a Sunday or Tuesday and return on a Tuesday

Cheap flight deals from Seoul to Jeju City

Enter your travel dates to find the best prices.

Cheapest flights from Seoul to Jeju City

Mon 2/1118:50 -
Nonstop1h 15m
Wed 4/1116:20 -
Nonstop1h 10m
Deal found 30/10£39
Sun 20/1214:35 -
Nonstop1h 15m
Tue 22/1207:30 -
Nonstop1h 15m
Deal found 28/10£40
Sun 20/1206:20 -
Nonstop1h 15m
Wed 23/1209:55 -
Nonstop1h 15m
Deal found 28/10£40
Mon 23/1118:50 -
Nonstop1h 15m
Fri 4/1216:20 -
Nonstop1h 10m
Deal found 30/10£40
Mon 23/1118:40 -
Nonstop1h 15m
Mon 30/1121:25 -
Nonstop1h 15m
Deal found 26/10£41
Wed 9/1216:05 -
Nonstop1h 15m
Fri 11/1209:50 -
Nonstop1h 15m
Deal found 28/10£42
Mon 30/1118:50 -
Nonstop1h 15m
Wed 2/1216:20 -
Nonstop1h 10m
Deal found 30/10£42
Sun 1/1106:25 -
Nonstop1h 15m
Wed 4/1109:55 -
Nonstop1h 15m
Deal found 30/10£43
Wed 9/1215:45 -
Nonstop1h 15m
Fri 11/1210:00 -
Nonstop1h 15m
Deal found 27/10£43
Wed 2/1218:50 -
Nonstop1h 15m
Fri 4/1219:20 -
Nonstop1h 10m
Deal found 30/10£43
Sat 5/1219:20 -
Nonstop1h 20m
Mon 7/1221:20 -
Nonstop1h 15m
Deal found 28/10£45
Sun 1/1106:05 -
Nonstop1h 15m
Tue 3/1109:45 -
Nonstop1h 15m
Deal found 27/10£46

Find flight deals from Seoul to Jeju City

Round-trip from

£40

One-way from

£12

Popular in

August

Cheapest in

January

Average price

£76

Good round-trip deal

£52 or less

Good one-way deal

£66 or less
Jeju Air
  • Jeju Air
  • 20/12-22/12
  • Nonstop
  • 2h 30m total
  • Seoul to Jeju City
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Jeju Air
  • Jeju Air
  • 11/11-31/12
  • Nonstop
  • 1h 15m total
  • Seoul to Jeju City
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£4 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 October 2026
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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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Cheapflights Fare Finder

 
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 return flight
Fastest return journey

IncheonJeju City

ICN Incheon Intl - CJU Jeju City

ICNCJU

Incheon Intl

Mon 30/11

18:50-20:05

Nonstop1h 15m

Jeju City

Wed 31/12

00:00-00:00

Nonstop0h 00m

£15

IncheonJeju City

ICN Incheon Intl - CJU Jeju City

ICNCJU

Incheon Intl

Wed 23/12

18:50-20:05

Nonstop1h 15m

Jeju City

Wed 31/12

00:00-00:00

Nonstop0h 00m

£20

SeoulJeju City

GMP Seoul Gimpo Intl - CJU Jeju City

GMPCJU

Seoul Gimpo Intl

Wed 17/3

19:05-20:20

Nonstop1h 15m

Jeju City

Wed 31/12

00:00-00:00

Nonstop0h 00m

£21

IncheonJeju City

ICN Incheon Intl - CJU Jeju City

ICNCJU

Incheon Intl

Mon 11/1

18:50-20:05

Nonstop1h 15m

Jeju City

Wed 31/12

00:00-00:00

Nonstop0h 00m

£22

SeoulJeju City

GMP Seoul Gimpo Intl - CJU Jeju City

GMPCJU

Seoul Gimpo Intl

Thu 26/11

18:30-19:45

Nonstop1h 15m

Jeju City

Wed 31/12

00:00-00:00

Nonstop0h 00m

£22

SeoulJeju City

GMP Seoul Gimpo Intl - CJU Jeju City

GMPCJU

Seoul Gimpo Intl

Sat 9/1

19:05-20:20

Nonstop1h 15m

Jeju City

Wed 31/12

00:00-00:00

Nonstop0h 00m

£26

SeoulJeju City

GMP Seoul Gimpo Intl - CJU Jeju City

GMPCJU

Seoul Gimpo Intl

Sun 13/12

20:35-21:50

Nonstop1h 15m

Jeju City

Wed 31/12

00:00-00:00

Nonstop0h 00m

£27

SeoulJeju City

GMP Seoul Gimpo Intl - CJU Jeju City

GMPCJU

Seoul Gimpo Intl

Thu 19/11

18:30-19:45

Nonstop1h 15m

Jeju City

Wed 31/12

00:00-00:00

Nonstop0h 00m

£28

IncheonJeju City

ICN Incheon Intl - CJU Jeju City

ICNCJU

Incheon Intl

Mon 15/2

18:50-20:05

Nonstop1h 15m

Jeju City

Wed 31/12

00:00-00:00

Nonstop0h 00m

£28

SeoulJeju City

GMP Seoul Gimpo Intl - CJU Jeju City

GMPCJU

Seoul Gimpo Intl

Sat 28/11

19:50-21:05

Nonstop1h 15m

Jeju City

Wed 31/12

00:00-00:00

Nonstop0h 00m

£30

Flights are sorted by cheapest return flights first.

Deals found on 28/10

Showing 1-10 of 36 resultsSorted by cheapest first
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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

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 £41). Flying from Seoul to Jeju City in October is currently the most expensive (average of £81). 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?

It’s optimal to fly from Seoul to Jeju City in the afternoon. By choosing this option you can save up to 35% on the cost of your flight, compared to a flight in the evening.

Weekly flight availability from Seoul to Jeju City

The most flights from SEL to CJU are scheduled on a Wednesday (120 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (107 on average).

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

Airfare is typical for this route at the moment.
Seoul to Jeju City flights typically cost between £28 and £73 in December.
The cheapest return price found within the last 5 days was £40 on Jeju Air (20 Dec–22 Dec).

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 80 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, 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 7 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?

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

Reviews of airlines servicing Jeju City

See what other customers who have flown with Korean Air,Asiana Airlines, andJeju Air 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
1,219 reviews
Check prices

Boarding

8.5

Overall

8.4

Food

8.1

Comfort

8.3

Entertainment

8.2

Crew

8.7

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
1,219 reviews
Korean Air
8.4
Very Good
1,219 reviews
Check prices

Boarding

8.5

Overall

8.4

Food

8.1

Comfort

8.3

Entertainment

8.2

Crew

8.7

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
8.1
Very Good
569 reviews
Korean Air
8.4
Very Good
1,219 reviews
Check prices

Boarding

8.5

Overall

8.4

Food

8.1

Comfort

8.3

Entertainment

8.2

Crew

8.7

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!!
Jeju Air
7.6
Good
38 reviews
Korean Air
8.4
Very Good
1,219 reviews
Check prices

Boarding

8.5

Overall

8.4

Food

8.1

Comfort

8.3

Entertainment

8.2

Crew

8.7

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

  • 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 4 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 Jeju Air or Jin Air 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 Asiana Airlines is currently your cheapest option to Jeju City, with prices starting at £14. Additional return tickets that might be worth considering are offered by Jeju Air and Korean Air, with the lowest prices starting at £25 and £26, respectively. Asiana Airlines is 76% 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?

    £8 is the cheapest one-way deal found within the past few days, from Jeju Air. You may also be able to find cheap deals on Trinity Airways (Formerly T'way Air) and Korean Air, with prices starting from £19 and £33, 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.

  • 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 £41). Flying from Seoul to Jeju City in October is currently the most expensive (average of £81). 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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Alternative routes for Seoul to Jeju City

Gimpo Intl to Jeju City flights

Top 4 airlines flying from Seoul to Jeju City

AirlineCheapestAverageFlexibilityOn-time
Asiana AirlinesCheapest£14Average£117FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
Jeju AirCheapest£25Average£66FlexibilityNo cancel feeOn-timeN/A
Search Jeju Air flights
Korean AirCheapest£26Average£89FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
Eastar JetCheapest£34Average£80FlexibilityNo cancel feeOn-time86%
Search Eastar Jet flights

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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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