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Cheap flights from Seoul to Jeju City from S$ 23

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 29-6. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — CJU
31 May — 7 Jun1
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 9 days in advance, depart on a Tuesday or Monday 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
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 1 May 2026.

Mon 29-618:05
ICN
-
CJU
Nonstop1h 20m
Jeju Air
Fri 3-715:55
CJU
-
ICN
Nonstop1h 15m
Jeju Air
Deal found 28-4S$ 87
Mon 6-718:05
ICN
-
CJU
Nonstop1h 20m
Jeju Air
Mon 13-715:55
CJU
-
ICN
Nonstop1h 15m
Jeju Air
Deal found 29-4S$ 94
Mon 20-718:05
ICN
-
CJU
Nonstop1h 20m
Jeju Air
Fri 24-715:55
CJU
-
ICN
Nonstop1h 15m
Jeju Air
Deal found 27-4S$ 106
Mon 1-618:05
ICN
-
CJU
Nonstop1h 20m
Jeju Air
Mon 15-615:55
CJU
-
ICN
Nonstop1h 15m
Jeju Air
Deal found 27-4S$ 107
Tue 19-518:05
ICN
-
CJU
Nonstop1h 20m
Jeju Air
Sat 23-515:55
CJU
-
ICN
Nonstop1h 15m
Jeju Air
Deal found 29-4S$ 112
Mon 1-618:05
ICN
-
CJU
Nonstop1h 20m
Jeju Air
Fri 5-615:55
CJU
-
ICN
Nonstop1h 15m
Jeju Air
Deal found 27-4S$ 116
Tue 26-518:05
ICN
-
CJU
Nonstop1h 20m
Jeju Air
Mon 1-615:55
CJU
-
ICN
Nonstop1h 15m
Jeju Air
Deal found 27-4S$ 119
Sat 30-518:05
ICN
-
CJU
Nonstop1h 20m
Jeju Air
Mon 1-615:55
CJU
-
ICN
Nonstop1h 15m
Jeju Air
Deal found 28-4S$ 132
Fri 26-618:05
ICN
-
CJU
Nonstop1h 20m
Jeju Air
Mon 29-615:55
CJU
-
ICN
Nonstop1h 15m
Jeju Air
Deal found 27-4S$ 137
Fri 3-718:05
ICN
-
CJU
Nonstop1h 20m
Jeju Air
Mon 6-715:55
CJU
-
ICN
Nonstop1h 15m
Jeju Air
Deal found 28-4S$ 138

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 1 May 2026.

Round-trip from

S$ 87

One-way from

S$ 23

Popular in

October

Cheapest in

January

Average price

S$ 117

Good round-trip deal

S$ 66 or less

Good one-way deal

S$ 35 or less
Jeju Air
  • Jeju Air
  • 29-6-3-7
  • Nonstop
  • 2h 35m total
  • Seoul to Jeju City
Search Deals
Jeju Air
  • Jeju Air
  • 29-6
  • Nonstop
  • 1h 20m 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 May 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

 
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 1 May 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 return flight
Fastest return journey

IncheonJeju City

ICN - CJU

ICNCJU

Incheon Intl

Mon 6-7

18:05-19:25

Nonstop1h 20m

Jeju City

Mon 13-7

15:55-17:10

Nonstop1h 15m

S$ 94

IncheonJeju City

ICN - CJU

ICNCJU

Incheon Intl

Mon 29-6

18:05-19:25

Nonstop1h 20m

Jeju City

Fri 3-7

15:55-17:10

Nonstop1h 15m

S$ 96

IncheonJeju City

ICN - CJU

ICNCJU

Incheon Intl

Mon 20-7

18:05-19:25

Nonstop1h 20m

Jeju City

Fri 24-7

15:55-17:10

Nonstop1h 15m

S$ 106

IncheonJeju City

ICN - CJU

ICNCJU

Incheon Intl

Tue 26-5

18:05-19:25

Nonstop1h 20m

Jeju City

Mon 1-6

15:55-17:10

Nonstop1h 15m

S$ 106

IncheonJeju City

ICN - CJU

ICNCJU

Incheon Intl

Mon 1-6

18:05-19:25

Nonstop1h 20m

Jeju City

Fri 5-6

15:55-17:10

Nonstop1h 15m

S$ 116

IncheonJeju City

ICN - CJU

ICNCJU

Incheon Intl

Tue 26-5

18:05-19:25

Nonstop1h 20m

Jeju City

Sat 30-5

15:55-17:10

Nonstop1h 15m

S$ 119

IncheonJeju City

ICN - CJU

ICNCJU

Incheon Intl

Mon 15-6

18:05-19:25

Nonstop1h 20m

Jeju City

Mon 22-6

15:55-17:10

Nonstop1h 15m

S$ 144

IncheonJeju City

ICN - CJU

ICNCJU

Incheon Intl

Fri 5-6

18:05-19:25

Nonstop1h 20m

Jeju City

Mon 8-6

15:55-17:10

Nonstop1h 15m

S$ 146

IncheonJeju City

ICN - CJU

ICNCJU

Incheon Intl

Sat 30-5

18:05-19:25

Nonstop1h 20m

Jeju City

Fri 5-6

15:55-17:10

Nonstop1h 15m

S$ 149

IncheonJeju City

ICN - CJU

ICNCJU

Incheon Intl

Mon 1-6

18:05-19:25

Nonstop1h 20m

Jeju City

Mon 8-6

15:55-17:10

Nonstop1h 15m

S$ 152

Flights are sorted by cheapest return flights first.

Deals found on 27-4

Showing 1-10 of 16 resultsSorted by cheapest first
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?

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 8 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$ 70). Flying from Seoul to Jeju City in October is currently the most expensive (average of S$ 147). 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 1 May 2026.

Unlike in the morning, when flights are generally more expensive, you can save up to 51% 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 25 April 2026.

Travellers seeking maximum savings on their Seoul to Jeju City flight should consider departing on Friday evenings when fares are most often at their lowest. Friday 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 1 May 2026.

The most flights from SEL to CJU are scheduled on a Thursday (131 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (122 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 15% of weekly flights between Seoul and Jeju City have experienced delays in the past year, with the average delay time being 82 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, Asiana Airlines have had the lowest number of delays on this route, with just 12% 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 1 May 2026.
Check out reviews from past customers who have flown with Korean Air,Asiana Airlines, andJeju Air 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.
Korean Air
8.4
Very Good
1,216 reviews
Check prices

Comfort

8.3

Entertainment

8.2

Crew

8.7

Boarding

8.5

Overall

8.4

Food

8.1

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
1,216 reviews
Korean Air
8.4
Very Good
1,216 reviews
Check prices

Comfort

8.3

Entertainment

8.2

Crew

8.7

Boarding

8.5

Overall

8.4

Food

8.1

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
525 reviews
Korean Air
8.4
Very Good
1,216 reviews
Check prices

Comfort

8.3

Entertainment

8.2

Crew

8.7

Boarding

8.5

Overall

8.4

Food

8.1

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
1,216 reviews
Check prices

Comfort

8.3

Entertainment

8.2

Crew

8.7

Boarding

8.5

Overall

8.4

Food

8.1

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 126 daily inbound flights from Seoul from 5 different airlines.

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

    For as low as S$ 94, Jeju Air can have you in Jeju City from Seoul in 1h 20m. Seoul and Jeju City are separated by a distance of 438 km. All flights are typically direct.

  • 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$ 26. Additional round-trip tickets that might be worth considering are offered by Jeju Air and T'way Air, with the lowest prices starting at S$ 35 and S$ 43, 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 T'way Air, which is currently one of the cheapest options available, starting at S$ 13. Jeju Air flights start at S$ 23 while deals on Air Seoul start at S$ 27 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$ 70). Flying from Seoul to Jeju City in October is currently the most expensive (average of S$ 147). 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
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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 1 May 2026.
Korean Air flights from Seoul to Jeju City
Jeju Air flights from Seoul to Jeju City
Asiana Airlines flights from Seoul to Jeju City

Top 5 airlines flying from Seoul to Jeju City

Discover the top 5 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 1 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Eastar JetCheapestS$ 26AverageS$ 155FlexibilityNo cancel feeOn-time86%
Search Eastar Jet flights
Jeju AirCheapestS$ 35AverageS$ 94FlexibilityNo cancel feeOn-timeN/A
Search Jeju Air flights
T'way AirCheapestS$ 43AverageS$ 89FlexibilityNo cancel feeOn-time88%
Search T'way Air flights
Asiana AirlinesCheapestS$ 65AverageS$ 115FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
Korean AirCheapestS$ 78AverageS$ 114FlexibilityNo 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.

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