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Cheap flights from Seoul to Jeju City from C$ 18

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 5/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — CJU
15 Jan — 22 Jan1
1 adult
1 adult, Economy, 0 bags

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 16 December 2025.

Mon 15/128:10 p.m.GMP - CJU
Nonstop1h 15mJin Air
Thu 18/127:00 a.m.CJU - GMP
Nonstop1h 15mJin Air
Deal found 14/12C$ 32
Mon 15/127:30 p.m.GMP - CJU
Nonstop1h 15mJeju Air
Tue 16/127:25 a.m.CJU - GMP
Nonstop1h 20mJeju Air
Deal found 14/12C$ 33
Wed 17/128:10 p.m.GMP - CJU
Nonstop1h 15mJin Air
Thu 18/127:00 a.m.CJU - GMP
Nonstop1h 15mJin Air
Deal found 15/12C$ 34
Mon 22/127:30 p.m.GMP - CJU
Nonstop1h 15mJeju Air
Fri 26/127:10 a.m.CJU - GMP
Nonstop1h 15mJeju Air
Deal found 15/12C$ 36
Tue 23/127:55 p.m.GMP - CJU
Nonstop1h 15mEastar Jet
Thu 25/127:50 a.m.CJU - GMP
Nonstop1h 15mEastar Jet
Deal found 16/12C$ 37
Mon 22/127:05 p.m.GMP - CJU
Nonstop1h 15mT'way Air
Fri 26/128:15 a.m.CJU - GMP
Nonstop1h 15mT'way Air
Deal found 14/12C$ 39
Tue 16/127:30 p.m.GMP - CJU
Nonstop1h 15mJeju Air
Sun 21/127:10 a.m.CJU - GMP
Nonstop1h 15mJeju Air
Deal found 16/12C$ 40
Tue 16/126:35 p.m.GMP - CJU
Nonstop1h 15mAsiana Airlines
Wed 17/126:10 a.m.CJU - GMP
Nonstop1h 15mAsiana Airlines
Deal found 15/12C$ 41
Mon 15/128:30 p.m.GMP - CJU
Nonstop1h 15mAsiana Airlines
Sat 20/126:05 a.m.CJU - GMP
Nonstop1h 15mAsiana Airlines
Deal found 14/12C$ 43
Wed 17/127:05 p.m.GMP - CJU
Nonstop1h 15mJeju Air
Sun 21/127:10 a.m.CJU - GMP
Nonstop1h 15mJeju Air
Deal found 16/12C$ 44
Mon 22/128:25 p.m.GMP - CJU
Nonstop1h 15mAsiana Airlines
Thu 25/126:45 a.m.CJU - GMP
Nonstop1h 15mAsiana Airlines
Deal found 15/12C$ 45
Wed 17/128:20 p.m.GMP - CJU
Nonstop1h 15mAsiana Airlines
Sun 21/126:10 a.m.CJU - GMP
Nonstop1h 15mAsiana Airlines
Deal found 14/12C$ 48

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 16 December 2025.

Round-trip from

C$ 39

One-way from

C$ 18

Popular in

October

Cheapest in

November

Average price

C$ 84

Good round-trip deal

C$ 60 or less
Jeju Air
  • Jeju Air
  • 5/1-7/1
  • Nonstop
  • 2h 30m total
  • Seoul to Jeju City
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Jeju Air
  • Jeju Air
  • 5/1
  • Nonstop
  • 1h 15m total
  • Seoul to Jeju City
Search Deals
Highest demand for flights based on searches. 0% potential increase in price (C$ 1 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Seoul (SEL) to Jeju City.
Search Deals

Cheapflights Fare Finder

 
Customize 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 629,999 searches. Data last updated 16 December 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

Sat 3/1

7:30 p.m.-8:45 p.m.

Nonstop1h 15m

Jeju City

Tue 6/1

9:55 a.m.-11:10 a.m.

Nonstop1h 15m

C$ 39

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

Sat 3/1

7:55 p.m.-9:10 p.m.

Nonstop1h 15m

Jeju City

Thu 8/1

7:50 a.m.-9:05 a.m.

Nonstop1h 15m

C$ 41

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

Mon 5/1

6:20 p.m.-7:35 p.m.

Nonstop1h 15m

Jeju City

Wed 7/1

7:10 a.m.-8:25 a.m.

Nonstop1h 15m

C$ 41

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

Mon 19/1

7:05 p.m.-8:20 p.m.

Nonstop1h 15m

Jeju City

Wed 21/1

7:55 a.m.-9:10 a.m.

Nonstop1h 15m

C$ 44

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

Tue 13/1

6:25 a.m.-7:40 a.m.

Nonstop1h 15m

Jeju City

Fri 16/1

7:10 a.m.-8:25 a.m.

Nonstop1h 15m

C$ 45

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

Tue 20/1

6:55 p.m.-8:10 p.m.

Nonstop1h 15m

Jeju City

Wed 21/1

6:15 a.m.-7:30 a.m.

Nonstop1h 15m

C$ 47

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

Mon 19/1

7:50 p.m.-9:05 p.m.

Nonstop1h 15m

Jeju City

Wed 21/1

7:15 a.m.-8:30 a.m.

Nonstop1h 15m

C$ 47

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

Tue 3/2

7:50 p.m.-9:05 p.m.

Nonstop1h 15m

Jeju City

Thu 5/2

7:15 a.m.-8:30 a.m.

Nonstop1h 15m

C$ 48

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

Sun 4/1

8:25 p.m.-9:40 p.m.

Nonstop1h 15m

Jeju City

Thu 8/1

6:45 a.m.-8:00 a.m.

Nonstop1h 15m

C$ 48

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

Mon 2/2

7:50 p.m.-9:05 p.m.

Nonstop1h 15m

Jeju City

Wed 4/2

7:15 a.m.-8:30 a.m.

Nonstop1h 15m

C$ 48

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/12

Showing 1-10 of 34 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 round-trip 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 round-trip flight from Seoul to Jeju City. Price data was last updated on 12 December 2025.

To ensure you get the cheapest price possible for a flight from Seoul to Jeju City, you should look to book at least 9 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 C$ 30). Flying from Seoul to Jeju City in October is currently the most expensive (average of C$ 59). 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 16 December 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 23% on flights from Seoul to Jeju City by exploring options for tickets in the morning.

What is the cheapest day to fly from Seoul to Jeju City?

Use this chart to determine the cheapest time to fly round-trip from Seoul to Jeju City. Price data was last updated on 13 December 2025.

Travelers seeking maximum savings on their Seoul to Jeju City flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Friday mornings 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 16 December 2025.

The most flights from SEL to CJU are scheduled on a Tuesday (137 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (114 on average).

How much does it cost to fly round-trip from Seoul to Jeju City?

How often are flights from Seoul to Jeju City delayed?

About 17% of weekly flights between Seoul and Jeju City have experienced delays in the past year, with the average delay time being 83 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, Air Busan has had the lowest number of delays on this route, with just 11% 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 16 December 2025.
See what other customers who have flown with Jin Air,Korean Air, andAsiana Airlines 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.
Jin Air
8.7
Very good
20 reviews
Check prices

Entertainment

7.9

Comfort

8.3

Food

7.9

Overall

8.7

Boarding

8.8

Crew

9.1
Jin Air
8.7
Very good
20 reviews
Jin Air
8.7
Very good
20 reviews
Check prices

Entertainment

7.9

Comfort

8.3

Food

7.9

Overall

8.7

Boarding

8.8

Crew

9.1
Korean Air
8.4
Very good
1,186 reviews
Jin Air
8.7
Very good
20 reviews
Check prices

Entertainment

7.9

Comfort

8.3

Food

7.9

Overall

8.7

Boarding

8.8

Crew

9.1
Asiana Airlines
8.2
Very good
493 reviews
Jin Air
8.7
Very good
20 reviews
Check prices

Entertainment

7.9

Comfort

8.3

Food

7.9

Overall

8.7

Boarding

8.8

Crew

9.1
Jeju Air
7.6
Good
36 reviews
Jin Air
8.7
Very good
20 reviews
Check prices

Entertainment

7.9

Comfort

8.3

Food

7.9

Overall

8.7

Boarding

8.8

Crew

9.1

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?

    For a flight from Seoul to Jeju City, you will be flying into Jeju. Jeju City (CJU) is just 2.7 km from the centre of the city. Jeju is the only Jeju City airport and it handles 123 inbound flights from Seoul per day. 5 airlines have flights to Jeju City from Seoul on a regular basis.

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

    Airlines like Jeju Air, Eastar Jet, and T'way Air fly from Seoul to Jeju City in about 1h 15m. The time it takes to get you to your destination is usually consistent. The distance from Seoul to Jeju City is about 451 km. Generally, flights for this route are direct.

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

    Our cheapest airline available from Seoul to Jeju City is T'way Air. Our recent data shows that you can find tickets from as low as C$ 33 on this airline. Additional options worth looking into are Jin Air and Asiana Airlines, starting at C$ 39 and C$ 48 round-trip. These flights start at 68% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Seoul to Jeju City one-way?

    To fly one-way, consider booking your trip with Jin Air, which is currently one of the cheapest options available, starting at C$ 15. Jeju Air flights start at C$ 17 while deals on Asiana Airlines start at C$ 29 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 vacation 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 C$ 30). Flying from Seoul to Jeju City in October is currently the most expensive (average of C$ 59). 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

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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
Gimpo Intl to Jeju City flights

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 629,999 searches. Data last updated 16 December 2025.
AirlineCheapestAverageFlexibilityOn-time
T'way AirCheapestC$ 33AverageC$ 107FlexibilityNo cancel feeOn-time88%
Search T'way Air flights
Jin AirCheapestC$ 39AverageC$ 106FlexibilityNo cancel feeOn-time78%
Search Jin Air flights
Asiana AirlinesCheapestC$ 48AverageC$ 83FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
Jeju AirCheapestC$ 51AverageC$ 94FlexibilityNo cancel feeOn-timeN/A
Search Jeju Air flights
Korean AirCheapestC$ 82AverageC$ 137FlexibilityNo cancel feeOn-time81%
Search Korean Air flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers 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 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?

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! Cheapflights helps users easily find flights from Seoul to Jeju City with no change fees.

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

Yes, Cheapflights offers price alerts on Seoul to Jeju City flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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