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Cheap flights from Seoul to Jeju City from $30

SEL — CJU
8 Nov — 15 Nov1
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 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

Wed 9/1218:50 -
Nonstop1h 15m
Fri 11/1216:20 -
Nonstop1h 10m
Deal found 6/10$63
Sun 11/1006:05 -
Nonstop1h 15m
Wed 14/1008:00 -
Nonstop1h 15m
Deal found 7/10$72
Mon 12/1019:15 -
Nonstop1h 15m
Wed 14/1011:15 -
Nonstop1h 15m
Deal found 8/10$73
Tue 13/1006:25 -
Nonstop1h 15m
Tue 13/1008:45 -
Nonstop1h 15m
Deal found 8/10$75
Tue 6/1018:05 -
Nonstop1h 20m
Fri 9/1015:55 -
Nonstop1h 15m
Deal found 5/10$75
Tue 29/1219:55 -
Nonstop1h 15m
Thu 7/107:50 -
Nonstop1h 15m
Deal found 5/10$76
Mon 12/1019:00 -
Nonstop1h 15m
Wed 14/1011:30 -
Nonstop1h 15m
Deal found 6/10$78
Sat 10/1006:25 -
Nonstop1h 15m
Tue 13/1008:45 -
Nonstop1h 15m
Deal found 4/10$79
Mon 5/1019:00 -
Nonstop1h 15m
Wed 7/1009:50 -
Nonstop1h 15m
Deal found 5/10$81
Mon 5/1018:30 -
Nonstop1h 15m
Thu 8/1007:50 -
Nonstop1h 15m
Deal found 5/10$82
Tue 6/1015:45 -
Nonstop1h 15m
Wed 7/1008:45 -
Nonstop1h 15m
Deal found 5/10$83
Sun 20/1218:50 -
Nonstop1h 15m
Wed 23/1209:50 -
Nonstop1h 15m
Deal found 8/10$85

Find flight deals from Seoul to Jeju City

Round-trip from

$63

One-way from

$30

Popular in

August

Cheapest in

January

Average price

$142

Good round-trip deal

$91 or less

Good one-way deal

$46 or less
Jeju Air
  • Jeju Air
  • 9/12-11/12
  • Nonstop
  • 2h 25m total
  • Seoul to Jeju City
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Jeju Air
  • Jeju Air
  • 23/12-31/12
  • Nonstop
  • 1h 15m total
  • Seoul to Jeju City
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($20 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease ($6 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 26/10

18:50-20:05

Nonstop1h 15m

Jeju City

Wed 31/12

00:00-00:00

Nonstop0h 00m

$30

IncheonJeju City

ICN Incheon Intl - CJU Jeju City

ICNCJU

Incheon Intl

Mon 23/11

18:50-20:05

Nonstop1h 15m

Jeju City

Wed 31/12

00:00-00:00

Nonstop0h 00m

$30

IncheonJeju City

ICN Incheon Intl - CJU Jeju City

ICNCJU

Incheon Intl

Wed 17/3

18:50-20:05

Nonstop1h 15m

Jeju City

Wed 31/12

00:00-00:00

Nonstop0h 00m

$33

SeoulJeju City

GMP Seoul Gimpo Intl - CJU Jeju City

GMPCJU

Seoul Gimpo Intl

Sat 17/10

19:05-20:20

Nonstop1h 15m

Jeju City

Wed 31/12

00:00-00:00

Nonstop0h 00m

$58

SeoulJeju City

GMP Seoul Gimpo Intl - CJU Jeju City

GMPCJU

Seoul Gimpo Intl

Sat 9/1

20:20-21:35

Nonstop1h 15m

Jeju City

Wed 31/12

00:00-00:00

Nonstop0h 00m

$59

SeoulJeju City

GMP Seoul Gimpo Intl - CJU Jeju City

GMPCJU

Seoul Gimpo Intl

Sun 25/10

19:05-20:20

Nonstop1h 15m

Jeju City

Wed 31/12

00:00-00:00

Nonstop0h 00m

$63

IncheonJeju City

ICN Incheon Intl - CJU Jeju City

ICNCJU

Incheon Intl

Sat 17/10

18:05-19:25

Nonstop1h 20m

Jeju City

Wed 31/12

00:00-00:00

Nonstop0h 00m

$65

IncheonJeju City

ICN Incheon Intl - CJU Jeju City

ICNCJU

Incheon Intl

Fri 8/1

18:50-20:05

Nonstop1h 15m

Jeju City

Mon 11/1

16:20-17:30

Nonstop1h 10m

$66

SeoulJeju City

GMP Seoul Gimpo Intl - CJU Jeju City

GMPCJU

Seoul Gimpo Intl

Tue 29/12

19:55-21:10

Nonstop1h 15m

Jeju City

Thu 7/1

07:50-09:05

Nonstop1h 15m

$76

IncheonJeju City

ICN Incheon Intl - CJU Jeju City

ICNCJU

Incheon Intl

Sat 24/10

18:05-19:25

Nonstop1h 20m

Jeju City

Mon 26/10

16:20-17:30

Nonstop1h 10m

$85

Flights are sorted by cheapest return flights first.

Deals found on 4/10

Showing 1-10 of 33 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 $79). Flying from Seoul to Jeju City in October is currently the most expensive (average of $158). 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 typically best to fly out from Seoul to Jeju City in the evening. Doing so could potentially save you 37% on the flight price compared to flying at midday, which is usually more expensive.

Weekly flight availability from Seoul to Jeju City

The most flights from SEL to CJU are scheduled on a Wednesday (128 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (112 on average).

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

Airfare is below average for this route at the moment.
Seoul to Jeju City flights typically cost between $105 and $183 in December.
The cheapest return price found within the last 5 days was $63 on Jeju Air (9 Dec–11 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 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 82 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 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.

Reviews of airlines servicing Jeju City

Read through reviews of airlines operating flights from Seoul to Jeju City, such as Korean Air and Jeju 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

Overall

8.4

Boarding

8.5

Comfort

8.3

Food

8.1

Crew

8.7

Entertainment

8.2

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

Overall

8.4

Boarding

8.5

Comfort

8.3

Food

8.1

Crew

8.7

Entertainment

8.2

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

Overall

8.4

Boarding

8.5

Comfort

8.3

Food

8.1

Crew

8.7

Entertainment

8.2

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?

    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 119 inbound flights from Seoul per day. You should also have plenty of airline options to choose from since 2 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 and Asiana Airlines 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 438 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 $20 on this airline. An additional option worth looking into is Korean Air, starting at $115. Jeju Air is 82% 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 $32 and $40 on Eastar Jet and Korean Air, 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 $79). Flying from Seoul to Jeju City in October is currently the most expensive (average of $158). 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

Busan to Jeju City flights

Top 2 airlines flying from Seoul to Jeju City

AirlineCheapestAverageFlexibilityOn-time
Jeju AirCheapest$20Average$94FlexibilityNo cancel feeOn-timeN/A
Search Jeju Air flights
Korean AirCheapest$115Average$154FlexibilityNo cancel feeOn-time81%
Search Korean Air flights

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