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Cheap flights from Seoul to Jeju City from C$ 28

SEL — CJU
29 Nov — 6 Dec1
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 Saturday 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

Mon 2/116:50 p.m. -
Nonstop1h 15m
Wed 4/114:20 p.m. -
Nonstop1h 10m
Deal found 30/10C$ 73
Sun 20/122:35 p.m. -
Nonstop1h 15m
Tue 22/127:30 a.m. -
Nonstop1h 15m
Deal found 28/10C$ 74
Sun 20/126:20 a.m. -
Nonstop1h 15m
Wed 23/129:55 a.m. -
Nonstop1h 15m
Deal found 28/10C$ 76
Mon 23/116:50 p.m. -
Nonstop1h 15m
Fri 4/124:20 p.m. -
Nonstop1h 10m
Deal found 30/10C$ 76
Sun 29/112:20 p.m. -
Nonstop1h 15m
Thu 3/129:50 a.m. -
Nonstop1h 15m
Deal found 26/10C$ 77
Wed 9/124:05 p.m. -
Nonstop1h 15m
Fri 11/129:50 a.m. -
Nonstop1h 15m
Deal found 27/10C$ 78
Mon 30/116:50 p.m. -
Nonstop1h 15m
Wed 2/124:20 p.m. -
Nonstop1h 10m
Deal found 30/10C$ 78
Sun 1/116:25 a.m. -
Nonstop1h 15m
Wed 4/119:55 a.m. -
Nonstop1h 15m
Deal found 30/10C$ 80
Wed 9/123:45 p.m. -
Nonstop1h 15m
Fri 11/1210:00 a.m. -
Nonstop1h 15m
Deal found 27/10C$ 81
Wed 2/126:50 p.m. -
Nonstop1h 15m
Fri 4/127:20 p.m. -
Nonstop1h 10m
Deal found 30/10C$ 81
Sat 5/127:20 p.m. -
Nonstop1h 20m
Mon 7/129:20 p.m. -
Nonstop1h 15m
Deal found 28/10C$ 84
Sun 1/116:05 a.m. -
Nonstop1h 15m
Tue 3/119:45 a.m. -
Nonstop1h 15m
Deal found 27/10C$ 85

Find flight deals from Seoul to Jeju City

Round-trip from

C$ 74

One-way from

C$ 28

Popular in

August

Cheapest in

January

Average price

C$ 141

Good round-trip deal

C$ 41 or less

Good one-way deal

C$ 45 or less
Jeju Air
  • Jeju Air
  • 20/12-22/12
  • Nonstop
  • 2h 30m total
  • Seoul to Jeju City
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Jeju Air
  • Jeju Air
  • 30/11-31/12
  • Nonstop
  • 1h 15m total
  • Seoul to Jeju City
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (C$ 18 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 5 potential savings vs. average RT 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.
Search Deals
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 round-trip
Quickest round-trip

IncheonJeju City

ICN Incheon Intl - CJU Jeju City

ICNCJU

Incheon Intl

Mon 30/11

6:50 p.m.-8:05 p.m.

Nonstop1h 15m

Jeju City

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 29

IncheonJeju City

ICN Incheon Intl - CJU Jeju City

ICNCJU

Incheon Intl

Mon 14/12

6:50 p.m.-8:05 p.m.

Nonstop1h 15m

Jeju City

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 34

IncheonJeju City

ICN Incheon Intl - CJU Jeju City

ICNCJU

Incheon Intl

Mon 7/12

6:50 p.m.-8:05 p.m.

Nonstop1h 15m

Jeju City

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 34

SeoulJeju City

GMP Seoul Gimpo Intl - CJU Jeju City

GMPCJU

Seoul Gimpo Intl

Wed 17/3

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

Nonstop1h 15m

Jeju City

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 39

IncheonJeju City

ICN Incheon Intl - CJU Jeju City

ICNCJU

Incheon Intl

Mon 11/1

6:50 p.m.-8:05 p.m.

Nonstop1h 15m

Jeju City

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 41

SeoulJeju City

GMP Seoul Gimpo Intl - CJU Jeju City

GMPCJU

Seoul Gimpo Intl

Sat 14/11

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

Nonstop1h 15m

Jeju City

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 49

SeoulJeju City

GMP Seoul Gimpo Intl - CJU Jeju City

GMPCJU

Seoul Gimpo Intl

Sat 9/1

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

Nonstop1h 15m

Jeju City

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 49

SeoulJeju City

GMP Seoul Gimpo Intl - CJU Jeju City

GMPCJU

Seoul Gimpo Intl

Thu 19/11

6:30 p.m.-7:45 p.m.

Nonstop1h 15m

Jeju City

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 52

IncheonJeju City

ICN Incheon Intl - CJU Jeju City

ICNCJU

Incheon Intl

Mon 15/2

6:50 p.m.-8:05 p.m.

Nonstop1h 15m

Jeju City

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 52

SeoulJeju City

GMP Seoul Gimpo Intl - CJU Jeju City

GMPCJU

Seoul Gimpo Intl

Sun 29/11

2:35 p.m.-3:50 p.m.

Nonstop1h 15m

Jeju City

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 55

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/10

Showing 1-10 of 35 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 round-trip 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 C$ 77). Flying from Seoul to Jeju City in October is currently the most expensive (average of C$ 151). 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?

Unlike at noon, when flights are generally more expensive, you can save up to 59% on flights from Seoul to Jeju City by exploring options for tickets in the evening.

Weekly flight availability from Seoul to Jeju City

The most flights from SEL to CJU are scheduled on a Wednesday (120 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (107 on average).

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

Airfare is typical for this route at the moment.
Seoul to Jeju City flights typically cost between C$ 52 and C$ 136 in December.
The cheapest round-trip price found within the last 5 days was C$ 74 on Jeju Air (20 Dec-22 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 has 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?

To ensure you get the cheapest price possible for a flight from Seoul to Jeju City, you should look to book at least 7 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 day to fly from Seoul to Jeju City?

Travelers seeking maximum savings on their Seoul to Jeju City flight should consider departing on Saturday 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.

Reviews of airlines servicing Jeju City

See what other customers who have flown with Korean Air,Asiana Airlines, andJeju Air 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
1,219 reviews
Check prices

Comfort

8.3

Crew

8.7

Boarding

8.5

Entertainment

8.2

Overall

8.4

Food

8.1

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
1,219 reviews
Korean Air
8.4
Very good
1,219 reviews
Check prices

Comfort

8.3

Crew

8.7

Boarding

8.5

Entertainment

8.2

Overall

8.4

Food

8.1

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
569 reviews
Korean Air
8.4
Very good
1,219 reviews
Check prices

Comfort

8.3

Crew

8.7

Boarding

8.5

Entertainment

8.2

Overall

8.4

Food

8.1

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
1,219 reviews
Check prices

Comfort

8.3

Crew

8.7

Boarding

8.5

Entertainment

8.2

Overall

8.4

Food

8.1

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?

    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 114 inbound flights from Seoul per day. 6 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 Eastar Jet. Our recent data shows that you can find tickets from as low as C$ 31 on this airline. Additional options worth looking into are Jin Air and Trinity Airways (Formerly T'way Air), starting at C$ 42 and C$ 52 round-trip. These flights start at 72% 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$ 19. Asiana Airlines flights start at C$ 41 while deals on Korean Air start at C$ 66 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, January is the cheapest month in which you can book a flight from Seoul to Jeju City (average of C$ 77). Flying from Seoul to Jeju City in October is currently the most expensive (average of C$ 151). 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Seoul to Jeju City

Busan to Jeju City flights
Gimpo Intl to Jeju City flights

Top 6 airlines flying from Seoul to Jeju City

AirlineCheapestAverageFlexibilityOn-time
Eastar JetCheapestC$ 31AverageC$ 187FlexibilityNo cancel feeOn-time86%
Search Eastar Jet flights
Jin AirCheapestC$ 42AverageC$ 103FlexibilityNo cancel feeOn-time78%
Search Jin Air flights
Trinity Airways (Formerly T'way Air)CheapestC$ 52AverageC$ 117FlexibilityNo cancel feeOn-time88%
Search Trinity Airways (Formerly T'way Air) flights
Jeju AirCheapestC$ 54AverageC$ 129FlexibilityNo cancel feeOn-timeN/A
Search Jeju Air flights
Asiana AirlinesCheapestC$ 61AverageC$ 77FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
Korean AirCheapestC$ 84AverageC$ 184FlexibilityNo cancel feeOn-time81%
Search Korean Air flights

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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.

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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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