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Cheap flights from Seoul to Jeju City from $40

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 24/6. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — CJU
14 Jun — 21 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 15 days in advance, depart on a Monday or Tuesday and return on a Monday

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 15 May 2026.

Wed 10/606:15
GMP
-
CJU
Nonstop1h 15m
Jeju Air
Thu 11/607:10
CJU
-
GMP
Nonstop1h 15m
Jeju Air
Deal found 13/5$78
Tue 23/620:25
GMP
-
CJU
Nonstop1h 15m
Jeju Air
Thu 25/608:40
CJU
-
GMP
Nonstop1h 15m
Jeju Air
Deal found 13/5$81
Tue 30/619:15
GMP
-
CJU
Nonstop1h 15m
Jeju Air
Thu 2/710:05
CJU
-
GMP
Nonstop1h 15m
Jeju Air
Deal found 13/5$84
Mon 25/506:20
GMP
-
CJU
Nonstop1h 15m
Jeju Air
Thu 28/508:15
CJU
-
GMP
Nonstop1h 15m
Jeju Air
Deal found 14/5$85
Tue 26/506:15
GMP
-
CJU
Nonstop1h 15m
Jeju Air
Thu 28/508:15
CJU
-
GMP
Nonstop1h 15m
Jeju Air
Deal found 14/5$88
Mon 25/506:25
GMP
-
CJU
Nonstop1h 15m
T'way Air
Fri 29/507:50
CJU
-
GMP
Nonstop1h 15m
T'way Air
Deal found 12/5$89
Mon 29/619:15
GMP
-
CJU
Nonstop1h 15m
Jeju Air
Thu 2/709:45
CJU
-
GMP
Nonstop1h 15m
Jeju Air
Deal found 14/5$92
Mon 25/506:05
GMP
-
CJU
Nonstop1h 15m
Eastar Jet
Thu 28/508:00
CJU
-
GMP
Nonstop1h 15m
Eastar Jet
Deal found 12/5$94
Mon 1/618:05
ICN
-
CJU
Nonstop1h 20m
Jeju Air
Fri 5/615:55
CJU
-
ICN
Nonstop1h 15m
Jeju Air
Deal found 12/5$94
Wed 27/506:15
GMP
-
CJU
Nonstop1h 15m
Jeju Air
Fri 29/508:15
CJU
-
GMP
Nonstop1h 15m
Jeju Air
Deal found 13/5$95
Mon 25/506:15
GMP
-
CJU
Nonstop1h 15m
Jin Air
Thu 28/508:25
CJU
-
GMP
Nonstop1h 15m
Jin Air
Deal found 11/5$98
Sat 16/518:30
GMP
-
CJU
Nonstop1h 15m
T'way Air
Tue 19/507:50
CJU
-
GMP
Nonstop1h 15m
T'way Air
Deal found 15/5$99

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 15 May 2026.

Round-trip from

$78

One-way from

$40

Popular in

October

Cheapest in

January

Average price

$127

Good round-trip deal

$122 or less

Good one-way deal

$39 or less
Jeju Air
  • Jeju Air
  • 10/6-11/6
  • Nonstop
  • 2h 30m total
  • Seoul to Jeju City
Search Deals
Jeju Air
  • Jeju Air
  • 24/6
  • Nonstop
  • 1h 15m total
  • Seoul to Jeju City
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($8 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 647,157 searches. Data last updated 15 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

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

Wed 10/6

16:45-18:00

Nonstop1h 15m

Jeju City

Thu 11/6

11:20-12:35

Nonstop1h 15m

$113

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

Mon 1/6

19:15-20:30

Nonstop1h 15m

Jeju City

Wed 3/6

08:40-09:55

Nonstop1h 15m

$116

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

Wed 27/5

06:20-07:35

Nonstop1h 15m

Jeju City

Sun 31/5

07:10-08:25

Nonstop1h 15m

$117

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

Tue 9/6

19:25-20:40

Nonstop1h 15m

Jeju City

Fri 12/6

09:45-11:00

Nonstop1h 15m

$117

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

Mon 7/9

06:15-07:30

Nonstop1h 15m

Jeju City

Mon 7/9

08:40-09:55

Nonstop1h 15m

$126

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

Tue 2/6

06:20-07:35

Nonstop1h 15m

Jeju City

Mon 8/6

10:35-11:50

Nonstop1h 15m

$127

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

$138

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

Tue 21/7

19:00-20:15

Nonstop1h 15m

Jeju City

Thu 23/7

07:05-08:20

Nonstop1h 15m

$140

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

Wed 14/10

21:10-22:25

Nonstop1h 15m

Jeju City

Thu 15/10

06:30-07:45

Nonstop1h 15m

$141

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

Sun 31/5

17:10-18:25

Nonstop1h 15m

Jeju City

Fri 5/6

18:35-19:50

Nonstop1h 15m

$142

Flights are sorted by cheapest return flights first.

Deals found on 13/5

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
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 $77). Flying from Seoul to Jeju City in October is currently the most expensive (average of $162). 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 15 May 2026.

It’s typically best to fly out from Seoul to Jeju City in the evening. Doing so could potentially save you 36% on the flight price compared to flying in the morning, which is usually more expensive.

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 9 May 2026.

Travellers seeking maximum savings on their Seoul to Jeju City flight should consider departing on Sunday afternoons when fares are most often at their lowest. Thursday 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 15 May 2026.

The most flights from SEL to CJU are scheduled on a Wednesday (125 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (116 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, Korean Air 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 15 May 2026.
Read through reviews of airlines operating flights from Seoul to Jeju City, such as Korean Air,Asiana Airlines, andJeju Air. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very Good
1,217 reviews
Check prices

Boarding

8.5

Entertainment

8.2

Overall

8.4

Crew

8.7

Food

8.1

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
1,217 reviews
Korean Air
8.4
Very Good
1,217 reviews
Check prices

Boarding

8.5

Entertainment

8.2

Overall

8.4

Crew

8.7

Food

8.1

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
8.1
Very Good
532 reviews
Korean Air
8.4
Very Good
1,217 reviews
Check prices

Boarding

8.5

Entertainment

8.2

Overall

8.4

Crew

8.7

Food

8.1

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!!
Jeju Air
7.6
Good
38 reviews
Korean Air
8.4
Very Good
1,217 reviews
Check prices

Boarding

8.5

Entertainment

8.2

Overall

8.4

Crew

8.7

Food

8.1

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?

    Jeju City (CJU) is the airport you will fly into if you book a flight from Seoul to Jeju City. You should not have trouble finding flights to Jeju from Seoul; the airport handles an average of 120 inbound flights from Seoul per day. You should also have plenty of airline options to choose from since 3 airlines have flights to the Jeju City airport from Seoul. It is only a 2.7 km journey from Jeju (CJU) to Jeju City’s city centre.

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

    Airlines like Jeju Air fly from Seoul to Jeju City in about 1h 15m. The time it takes to get you to your destination is usually consistent. There are 451 km between Seoul and Jeju City. Most flights are nonstop.

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

    Our cheapest airline available from Seoul to Jeju City is Jeju Air. Our recent data shows that you can find tickets from as low as $19 on this airline. Additional options worth looking into are Asiana Airlines and Korean Air, starting at $21 and $47 round-trip. Jeju Air is 81% 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?

    For one-way options, check prices for Jeju Air. According to our data, you can fly for as low as $17. Users have also found prices from $28 and $30 on Eastar Jet and Asiana Airlines, 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, December is the cheapest month in which you can book a flight from Seoul to Jeju City (average of $77). Flying from Seoul to Jeju City in October is currently the most expensive (average of $162). 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 15 May 2026.
Asiana Airlines flights from Seoul to Jeju City

Top 3 airlines flying from Seoul to Jeju City

Discover the top 3 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 647,157 searches. Data last updated 15 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Jeju AirCheapest$19Average$89FlexibilityNo cancel feeOn-timeN/A
Search Jeju Air flights
Asiana AirlinesCheapest$21Average$81FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
Korean AirCheapest$47Average$125FlexibilityNo 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?

Deals for Seoul to Jeju City flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Seoul to Jeju City for you. Better yet — we are completely free to use.

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

Yes, we can. To see specific flights from Seoul to Jeju City with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Of course! You can now track prices for flights from Seoul to Jeju City and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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