This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9-11. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — CJU
12 Oct — 19 Oct1
Return
1 adult
Economy
Return
1 adult, Economy
Cheapflights Tip: The best prices from Seoul to Jeju City are usually found in March or January, booked 75 days in advance, depart on a Sunday or Wednesday and return on a Monday
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 12 September 2025.
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 12 September 2025.
Sun 9-1121:45ICN - CJU
2 stops23h 35mMultiple Airlines
Tue 11-1122:20CJU - ICN
2 stops36h 00mMultiple Airlines
Deal found 9-9S$ 348
Wed 10-1209:25ICN - CJU
1 stop11h 30mMultiple Airlines
Mon 22-1222:20CJU - ICN
2 stops18h 10mMultiple Airlines
Deal found 12-9S$ 368
Wed 10-1220:50ICN - CJU
2 stops21h 05mMultiple Airlines
Fri 12-1215:40CJU - ICN
1 stop20h 15mMultiple Airlines
Deal found 10-9S$ 398
Wed 10-1220:50ICN - CJU
2 stops16h 00mChina Eastern
Wed 17-1213:50CJU - ICN
2 stops21h 25mChina Eastern
Deal found 10-9S$ 405
Wed 10-1216:10ICN - CJU
1 stop20h 40mMultiple Airlines
Wed 17-1213:50CJU - ICN
1 stop22h 05mMultiple Airlines
Deal found 10-9S$ 412
Sun 9-1120:50ICN - CJU
2 stops16h 00mChina Eastern
Sun 16-1118:55CJU - ICN
2 stops16h 20mChina Eastern
Deal found 9-9S$ 414
Sun 26-1011:20ICN - CJU
2 stops22h 45mMultiple Airlines
Sun 2-1111:10CJU - ICN
2 stops24h 25mMultiple Airlines
Deal found 11-9S$ 425
Best flights from Seoul to Jeju City
Discover carefully curated flight deals from Seoul to Jeju City that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 12 September 2025.
Sun 9-1111:20ICN - CJU
2 stops22h 45mMultiple Airlines
Tue 11-1122:20CJU - ICN
1 stop12h 40mMultiple Airlines
Deal found 9-9S$ 348
Sun 9-1114:30ICN - CJU
1 stop22h 20mChina Eastern
Sun 16-1118:55CJU - ICN
2 stops16h 20mChina Eastern
Deal found 9-9S$ 419
Tue 3-215:45ICN - CJU
1 stop14h 55mHK Express
Thu 5-207:55CJU - ICN
1 stop13h 10mHK Express
Deal found 11-9S$ 670
Sat 25-1013:05ICN - CJU
1 stop8h 30mAir China
Sat 1-1122:35CJU - ICN
1 stop23h 20mAir China
Deal found 10-9S$ 691
Wed 10-1209:25ICN - CJU
1 stop11h 30mMultiple Airlines
Mon 22-1222:20CJU - ICN
2 stops18h 10mMultiple Airlines
Deal found 11-9S$ 368
Wed 10-1216:20ICN - CJU
1 stop20h 30mChina Eastern
Mon 22-1213:50CJU - ICN
1 stop22h 05mChina Eastern
Deal found 10-9S$ 435
Sun 26-1011:20ICN - CJU
2 stops22h 45mMultiple Airlines
Sun 2-1111:10CJU - ICN
2 stops24h 25mMultiple Airlines
Deal found 11-9S$ 425
Last-minute flights from Seoul to Jeju City
Discover last-minute flight deals from Seoul to Jeju City. Data last updated 12 September 2025 and is based on user searches.
Thu 18-909:00ICN - CJU
1 stop12h 20mJuneyao Airlines
Sun 21-922:20CJU - ICN
1 stop13h 10mJuneyao Airlines
Deal found 10-9S$ 1,057
One-way flights from Seoul to Jeju City
Search for one-way flight options from Seoul to Jeju City. Find affordable one-way fares based on user searches. Data last updated 12 September 2025.
Wed 8-1022:40ICN - CJU
1 stop12h 00mMultiple Airlines
Deal found 11-9S$ 349
Wed 8-1018:25ICN - CJU
1 stop18h 05mChina Eastern
Deal found 11-9S$ 458
Tue 7-1012:55ICN - CJU
1 stop23h 35mChina Eastern
Deal found 11-9S$ 489
Sat 4-1012:30ICN - CJU
1 stop9h 15mJuneyao Airlines
Deal found 11-9S$ 582
Sat 18-1016:45ICN - CJU
1 stop14h 30mSingapore Airlines
Deal found 12-9S$ 770
Sat 11-1009:00ICN - CJU
1 stop22h 15mSingapore Airlines
Deal found 12-9S$ 786
Sat 20-916:45ICN - CJU
1 stop14h 30mSingapore Airlines
Deal found 11-9S$ 1,094
Fri 19-923:50ICN - CJU
1 stop31h 25mSingapore Airlines
Deal found 10-9S$ 1,097
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 200,618 searches. Data last updated 12 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
IncheonJeju City
ICN - CJU
ICNCJU
Incheon Intl
Sun 9-11
11:20-10:05
2 stops22h 45m
Jeju City
Tue 11-11
22:20-11:00
1 stop12h 40m
S$ 348
IncheonJeju City
ICN - CJU
ICNCJU
Incheon Intl
Wed 10-12
09:25-20:55
1 stop11h 30m
Jeju City
Mon 22-12
22:20-16:30
2 stops18h 10m
S$ 368
IncheonJeju City
ICN - CJU
ICNCJU
Incheon Intl
Sun 9-11
14:30-12:50
1 stop22h 20m
Jeju City
Sun 16-11
18:55-11:15
2 stops16h 20m
S$ 419
IncheonJeju City
ICN - CJU
ICNCJU
Incheon Intl
Sun 26-10
11:20-10:05
2 stops22h 45m
Jeju City
Sun 2-11
11:10-11:35
2 stops24h 25m
S$ 425
IncheonJeju City
ICN - CJU
ICNCJU
Incheon Intl
Wed 10-12
16:20-12:50
1 stop20h 30m
Jeju City
Mon 22-12
13:50-11:55
1 stop22h 05m
S$ 435
IncheonJeju City
ICN - CJU
ICNCJU
Incheon Intl
Tue 3-2
15:45-06:40
1 stop14h 55m
Jeju City
Thu 5-2
07:55-21:05
1 stop13h 10m
S$ 670
IncheonJeju City
ICN - CJU
ICNCJU
Incheon Intl
Sat 25-10
13:05-21:35
1 stop8h 30m
Jeju City
Sat 1-11
22:35-21:55
1 stop23h 20m
S$ 691
IncheonJeju City
ICN - CJU
ICNCJU
Incheon Intl
Wed 8-10
22:40-10:40
1 stop12h 00m
S$ 349
IncheonJeju City
ICN - CJU
ICNCJU
Incheon Intl
Wed 8-10
18:25-12:30
1 stop18h 05m
S$ 458
IncheonJeju City
ICN - CJU
ICNCJU
Incheon Intl
Tue 7-10
12:55-12:30
1 stop23h 35m
S$ 489
Flights are sorted by cheapest return flights first.
Deals found on 11-9
Showing 1-10 of 14 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 29 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 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 S$ 250). Flying from Seoul to Jeju City in October is currently the most expensive (average of S$ 462). 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 12 September 2025.
Unlike in the morning, when flights are generally more expensive, you can save up to 29% 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 return from Seoul to Jeju City. Price data was last updated on 7 September 2025.
Travellers seeking maximum savings on their Seoul to Jeju City flight should consider departing on Monday evenings 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 12 September 2025.
The most flights from SEL to CJU are scheduled on a Thursday (123 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (102 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 12 September 2025.
Check out reviews from past customers who have flown with Korean Air and Asiana Airlines from Seoul to Jeju City to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
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!!
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!!
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?
Located just 2.7 km from the city centre, Jeju City is the airport most travellers will use when flying to Jeju City from Seoul. Booking flights from Seoul to Jeju (CJU) should be relatively easy as there are 114 daily inbound flights from Seoul from 6 different airlines.
How long is the flight from Seoul to Jeju City?
For as low as S$ 419, China Eastern can have you in Jeju City from Seoul in 22h 20m. Seoul and Jeju City are separated by a distance of 438 km.
What are the cheapest airlines flying from Seoul to Jeju City round-trip?
Flying on Jin Air is currently your cheapest option to Jeju City, with prices starting at S$ 46. Additional round-trip tickets that might be worth considering are offered by Eastar Jet and Jeju Air, with the lowest prices starting at S$ 46 and S$ 51, respectively. Jin Air is currently priced 55% below the average price you’ll pay for this route.
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 S$ 250). Flying from Seoul to Jeju City in October is currently the most expensive (average of S$ 462). 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.
Book flights to Jeju City if you plan to visit one of these locations
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Fly from Seoul to Jeju City on these airlines
Choose from the following airlines for your flight from Seoul to Jeju City. Flights are based on user searches made on Cheapflights and were last updated on 12 September 2025.
Explore flights to Jeju City departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 12 September 2025.
Discover the top 6 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 200,618 searches. Data last updated 12 September 2025.
Find the best flight deals on Cheapflights, where travellers 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 goes through 900+ travel sites to look for the best flight deals for flights from Seoul to Jeju City. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.
Why should you use Cheapflights to find cheap flight tickets from Seoul to Jeju City?
Millions of users choose and trust Cheapflights to book the best flight deals from Seoul to Jeju City for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.
Can Cheapflights find flights from Seoul to Jeju City with no change fees?
Users can book flights with no change fees policies with our dedicated filters. Book flights from Seoul to Jeju City flexibly with Cheapflights today.
Can Cheapflights notify me if prices for flights from Seoul to Jeju City become cheaper?
Yes! Start tracking prices for Seoul to Jeju City flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.
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