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Cheap flights from Seoul to Jeju City from C$ 30

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 20/9. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — CJU
11 Oct — 18 Oct1
1 adult
1 adult, Economy

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 11 September 2025.

Round-trip from

C$ 68

One-way from

C$ 30

Popular in

October

Cheapest in

March

Average price

C$ 111

Good round-trip deal

C$ 112 or less

Good one-way deal

C$ 37 or less
Jin Air
  • Jin Air
  • 25/9-26/9
  • Nonstop
  • 2h 30m total
  • Seoul to Jeju City
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Jeju Air
  • Jeju Air
  • 20/9
  • Nonstop
  • 1h 15m total
  • Seoul to Jeju City
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Highest demand for flights based on searches. 11% potential increase in price (C$ 19 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease (C$ 6 potential savings vs. average RT price).
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Average for round-trip flights in September 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 11 September 2025.

Sat 13/96:55 p.m.GMP - CJU
Nonstop1h 15mAsiana Airlines
Fri 19/96:55 a.m.CJU - GMP
Nonstop1h 15mAsiana Airlines
Deal found 9/9C$ 68
Thu 18/97:00 p.m.GMP - CJU
Nonstop1h 15mJin Air
Mon 22/99:00 a.m.CJU - GMP
Nonstop1h 15mJin Air
Deal found 11/9C$ 69
Mon 13/108:50 p.m.GMP - CJU
Nonstop1h 15mAsiana Airlines
Thu 16/106:15 a.m.CJU - GMP
Nonstop1h 15mAsiana Airlines
Deal found 11/9C$ 71
Thu 27/115:55 p.m.GMP - CJU
Nonstop1h 15mJin Air
Thu 4/128:15 a.m.CJU - GMP
Nonstop1h 15mJin Air
Deal found 11/9C$ 72
Thu 25/96:10 a.m.GMP - CJU
Nonstop1h 15mJin Air
Mon 29/98:30 a.m.CJU - GMP
Nonstop1h 15mJin Air
Deal found 10/9C$ 73
Thu 18/97:00 p.m.GMP - CJU
Nonstop1h 15mT'way Air
Mon 22/98:40 a.m.CJU - GMP
Nonstop1h 15mT'way Air
Deal found 11/9C$ 75
Sat 20/98:55 p.m.GMP - CJU
Nonstop1h 15mJin Air
Mon 22/99:00 a.m.CJU - GMP
Nonstop1h 15mJin Air
Deal found 10/9C$ 78
Mon 20/107:10 p.m.GMP - CJU
Nonstop1h 15mJin Air
Wed 22/107:00 a.m.CJU - GMP
Nonstop1h 15mJin Air
Deal found 11/9C$ 79
Thu 18/92:25 p.m.GMP - CJU
Nonstop1h 15mAsiana Airlines
Sat 20/97:00 a.m.CJU - GMP
Nonstop1h 15mAsiana Airlines
Deal found 9/9C$ 80
Thu 11/93:00 p.m.GMP - CJU
Nonstop1h 15mAsiana Airlines
Mon 15/98:45 a.m.CJU - GMP
Nonstop1h 15mAsiana Airlines
Deal found 10/9C$ 82
Fri 19/98:15 p.m.ICN - CJU
2 stops16h 15mChina Eastern
Fri 26/91:40 p.m.CJU - ICN
1 stop7h 05mChina Eastern
Deal found 10/9C$ 618
Sat 20/94:35 p.m.ICN - CJU
2 stops19h 55mChina Eastern
Sat 27/91:40 p.m.CJU - ICN
1 stop23h 50mChina Eastern
Deal found 10/9C$ 655

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 11 September 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

Thu 25/9

6:10 a.m.-7:25 a.m.

Nonstop1h 15m

Jeju City

Fri 26/9

8:40 a.m.-9:55 a.m.

Nonstop1h 15m

C$ 68

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

Mon 19/1

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

Nonstop1h 15m

Jeju City

Thu 22/1

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

Nonstop1h 15m

C$ 69

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

Tue 14/10

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

Nonstop1h 15m

Jeju City

Thu 16/10

8:40 a.m.-9:55 a.m.

Nonstop1h 15m

C$ 71

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

Sun 21/9

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

Nonstop1h 15m

Jeju City

Mon 22/9

9:00 a.m.-10:15 a.m.

Nonstop1h 15m

C$ 71

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

Thu 27/11

5:55 p.m.-7:10 p.m.

Nonstop1h 15m

Jeju City

Thu 4/12

8:15 a.m.-9:30 a.m.

Nonstop1h 15m

C$ 72

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

Wed 4/2

9:05 p.m.-10:15 p.m.

Nonstop1h 10m

Jeju City

Thu 5/2

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

Nonstop1h 15m

C$ 76

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

Sat 10/1

9:05 p.m.-10:15 p.m.

Nonstop1h 10m

Jeju City

Tue 13/1

9:50 a.m.-11:05 a.m.

Nonstop1h 15m

C$ 78

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

Thu 25/9

3:55 p.m.-5:10 p.m.

Nonstop1h 15m

Jeju City

Sat 27/9

7:30 a.m.-8:50 a.m.

Nonstop1h 20m

C$ 80

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

Sun 30/11

9:05 p.m.-10:15 p.m.

Nonstop1h 10m

Jeju City

Wed 3/12

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

Nonstop1h 15m

C$ 85

SeoulJeju City

GMP - CJU

GMPCJU

Seoul Gimpo Intl

Sun 11/1

9:05 p.m.-10:15 p.m.

Nonstop1h 10m

Jeju City

Fri 16/1

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

Nonstop1h 15m

C$ 85

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/9

Showing 1-10 of 40 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 29 August 2025.

To ensure you get the cheapest price possible for a flight from Seoul to Jeju City, you should look to book at least 75 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 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 11 September 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 31% 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 round-trip from Seoul to Jeju City. Price data was last updated on 7 September 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 11 September 2025.

The most flights from SEL to CJU are scheduled on a Thursday (126 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (100 on average).

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 11 September 2025.
See what other customers who have flown with Korean Air and Asiana 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.
Korean Air
8.4
Very good
1,139 reviews
Check prices

Comfort

8.3

Overall

8.4

Boarding

8.5

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
1,139 reviews
Korean Air
8.4
Very good
1,139 reviews
Check prices

Comfort

8.3

Overall

8.4

Boarding

8.5

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!!
Asiana Airlines
8.2
Very good
479 reviews
Korean Air
8.4
Very good
1,139 reviews
Check prices

Comfort

8.3

Overall

8.4

Boarding

8.5

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

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 111 inbound flights from Seoul per day. 4 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 and Jin 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 Asiana Airlines. Our recent data shows that you can find tickets from as low as C$ 49 on this airline. Additional options worth looking into are Jeju Air and Korean Air, starting at C$ 67 and C$ 72 round-trip. These flights start at 55% 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 Jeju Air, which is currently one of the cheapest options available, starting at C$ 30. Jin Air flights start at C$ 30 while deals on China Eastern start at C$ 215 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.

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 4 airlines flying from Seoul to Jeju City

Discover the top 4 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 11 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Asiana AirlinesCheapestC$ 49AverageC$ 88FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
Jeju AirCheapestC$ 67AverageC$ 101FlexibilityNo cancel feeOn-timeN/A
Search Jeju Air flights
Korean AirCheapestC$ 72AverageC$ 134FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
Jin AirCheapestC$ 94AverageC$ 145FlexibilityNo cancel feeOn-time78%
Search Jin Air flights

Fly with Cheapflights

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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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