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Cheap flights from Seoul to Jeju City from $34

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 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — CJU
31 Aug — 7 Sep1
1 adult

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 26 August 2025.

Round-trip from

$68

One-way from

$34

Popular in

October

Cheapest in

March

Average price

$143

Good round-trip deal

$67 or less

Good one-way deal

$36 or less
Asiana Airlines
  • Asiana Airlines
  • 24/9-30/9
  • Nonstop
  • 2h 25m total
  • Seoul to Jeju City
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Jeju Air
  • Jeju Air
  • 6/9
  • Nonstop
  • 1h 15m total
  • Seoul to Jeju City
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Highest demand for flights based on searches. 12% potential increase in price ($25 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease ($7 potential savings vs. average return price).
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Average for round-trip flights in August 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 26 August 2025.

Thu 4/918:05GMP - CJU
Nonstop1h 15mT'way Air
Sat 6/907:55CJU - GMP
Nonstop1h 15mT'way Air
Deal found 25/8$68
Sun 7/915:10GMP - CJU
Nonstop1h 15mJeju Air
Tue 9/907:30CJU - GMP
Nonstop1h 20mJeju Air
Deal found 26/8$69
Sun 7/914:50GMP - CJU
Nonstop1h 15mAsiana Airlines
Wed 10/907:00CJU - GMP
Nonstop1h 15mAsiana Airlines
Deal found 25/8$71
Wed 10/919:00GMP - CJU
Nonstop1h 15mT'way Air
Sat 13/907:55CJU - GMP
Nonstop1h 15mT'way Air
Deal found 25/8$72
Sun 7/921:30GMP - CJU
Nonstop1h 15mAsiana Airlines
Fri 12/907:00CJU - GMP
Nonstop1h 15mAsiana Airlines
Deal found 26/8$74
Wed 27/817:35GMP - CJU
Nonstop1h 15mT'way Air
Fri 29/807:55CJU - GMP
Nonstop1h 15mT'way Air
Deal found 26/8$76
Sat 6/919:10GMP - CJU
Nonstop1h 15mJeju Air
Sat 13/907:30CJU - GMP
Nonstop1h 20mJeju Air
Deal found 26/8$77
Thu 4/918:30GMP - CJU
Nonstop1h 15mAsiana Airlines
Sat 6/907:00CJU - GMP
Nonstop1h 15mAsiana Airlines
Deal found 24/8$79
Thu 11/917:40GMP - CJU
Nonstop1h 15mJin Air
Sat 13/909:10CJU - GMP
Nonstop1h 15mJin Air
Deal found 26/8$80
Sat 13/918:55GMP - CJU
Nonstop1h 15mAsiana Airlines
Tue 16/906:55CJU - GMP
Nonstop1h 15mAsiana Airlines
Deal found 26/8$82
Thu 11/916:45GMP - CJU
Nonstop1h 15mJeju Air
Mon 15/907:35CJU - GMP
Nonstop1h 15mJeju Air
Deal found 26/8$83
Thu 4/918:50GMP - CJU
Nonstop1h 10mAsiana Airlines
Mon 8/908:00CJU - GMP
Nonstop1h 15mAsiana Airlines
Deal found 26/8$85

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 26 August 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

Wed 24/9

18:50-20:00

Nonstop1h 10m

Jeju City

Tue 30/9

08:45-10:00

Nonstop1h 15m

$68

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

Sun 28/9

20:25-21:40

Nonstop1h 15m

Jeju City

Tue 30/9

08:40-09:55

Nonstop1h 15m

$69

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

Sun 7/9

15:10-16:25

Nonstop1h 15m

Jeju City

Tue 9/9

07:30-08:50

Nonstop1h 20m

$69

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

Wed 10/9

18:50-20:00

Nonstop1h 10m

Jeju City

Tue 16/9

06:55-08:10

Nonstop1h 15m

$69

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

Tue 6/1

19:05-20:20

Nonstop1h 15m

Jeju City

Thu 8/1

20:55-22:10

Nonstop1h 15m

$71

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

Wed 24/9

18:50-20:00

Nonstop1h 10m

Jeju City

Wed 1/10

08:00-09:15

Nonstop1h 15m

$71

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

Mon 8/9

19:10-20:25

Nonstop1h 15m

Jeju City

Mon 15/9

08:45-10:00

Nonstop1h 15m

$71

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

Sun 7/9

14:50-16:05

Nonstop1h 15m

Jeju City

Wed 10/9

07:00-08:15

Nonstop1h 15m

$71

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

Sun 7/9

14:50-16:05

Nonstop1h 15m

Jeju City

Thu 11/9

08:00-09:15

Nonstop1h 15m

$71

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

Mon 29/9

20:50-22:05

Nonstop1h 15m

Jeju City

Wed 1/10

08:45-10:00

Nonstop1h 15m

$71

Flights are sorted by cheapest return flights first.

Deals found on 25/8

Showing 1-10 of 32 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 22 August 2025.

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 75 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 26 August 2025.

It’s typically best to fly out from Seoul to Jeju City in the evening. Doing so could potentially save you 33% 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 24 August 2025.

Travellers seeking maximum savings on their Seoul to Jeju City flight should consider departing on Monday afternoons when fares are most often at their lowest. Friday 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 26 August 2025.

The most flights from SEL to CJU are scheduled on a Monday (121 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (114 on average).

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

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 26 August 2025.
Read through reviews of airlines operating flights from Seoul to Jeju City, such as Korean Air and Asiana Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very Good
1,133 reviews
Check prices

Boarding

8.5

Crew

8.7

Overall

8.4

Entertainment

8.2

Food

8.1

Comfort

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
1,133 reviews
Korean Air
8.4
Very Good
1,133 reviews
Check prices

Boarding

8.5

Crew

8.7

Overall

8.4

Entertainment

8.2

Food

8.1

Comfort

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!!
Asiana Airlines
8.2
Very Good
477 reviews
Korean Air
8.4
Very Good
1,133 reviews
Check prices

Boarding

8.5

Crew

8.7

Overall

8.4

Entertainment

8.2

Food

8.1

Comfort

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

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 117 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 Asiana Airlines and Jeju Air fly from Seoul to Jeju City in about 1h 10m. 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 $72 on this airline. Additional options worth looking into are Asiana Airlines and Korean Air, starting at $86 and $88 round-trip. Jeju Air is 41% 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 $34. Users have also found prices from $35 and $35 on T'way Air 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.

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.
Busan to Jeju City flights

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 26 August 2025.
AirlineCheapestAverageFlexibilityOn-time
Jeju AirCheapest$72Average$110FlexibilityNo cancel feeOn-timeN/A
Search Jeju Air flights
Asiana AirlinesCheapest$86Average$154FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
Korean AirCheapest$88Average$198FlexibilityNo cancel feeOn-time81%
Search Korean Air flights

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

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