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Jeju City

$159+ Cheap flights from Incheon Intl (ICN) to Jeju City (CJU)

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 3/14. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — CJU
Jan 31 — Feb 71
Sat 1/31
Sat 2/7
1 adult, Economy
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Cheap flight deals from Incheon Intl to Jeju City

Cheapest flights from Incheon Intl to Jeju City
Explore the most affordable flight options available from Incheon Intl to Jeju City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 1, 2026.

This Jetabroad deal was found by Cheapflights users on 12/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/318:50 pmICN - CJU
2 stops21h 05mChina Eastern
Mon 1/51:50 pmCJU - ICN
2 stops21h 10mChina Eastern
Deal found 12/30$610
This Kiwi.com deal was found by Cheapflights users on 12/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:35 pmICN - CJU
2 stops18h 35mMultiple Airlines
Fri 1/24:00 pmCJU - ICN
1 stop7h 55mMultiple Airlines
Deal found 12/30$631
This Kiwi.com deal was found by Cheapflights users on 12/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/314:10 pmICN - CJU
1 stop17h 55mMultiple Airlines
Mon 1/52:20 pmCJU - ICN
1 stop15h 05mMultiple Airlines
Deal found 12/30$636
This Kiwi.com deal was found by Cheapflights users on 12/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/318:50 pmICN - CJU
1 stop14h 20mMultiple Airlines
Wed 1/710:10 amCJU - ICN
1 stop11h 35mMultiple Airlines
Deal found 12/31$700

Find flight deals from Incheon Intl to Jeju City

Discover tips and strategies to find the most affordable flight options for your journey from Incheon Intl (ICN) 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 January 1, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$318
(Mytrip)

One-way from

$159
(Mytrip)

Popular in

July

Cheapest in

June

Average price

$105
Provider with most accurate pricing for Incheon Intl-Jeju City flight deals.
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Provider most trusted by Cheapflights users for Incheon Intl-Jeju City flights.
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From Incheon Intl to Jeju City
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One-way flight from Incheon Intl to Jeju City
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($12 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Incheon Intl 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 2,558,603 searches. Data last updated January 1, 2026.
Use the filters below to find and compare flights from Incheon Intl Airport to Jeju City that are best for you.

Fly from

Incheon Intl

Fly to

Jeju City

Route

Depart

Return

Price

IncheonJeju City

ICN - CJU

ICNCJU

Incheon Intl

Tue 3/17

1:40 pm-9:20 pm

2 stops31h 40m

Jeju City

Thu 3/19

10:20 pm-11:00 am

1 stop12h 40m

$287

IncheonJeju City

ICN - CJU

ICNCJU

Incheon Intl

Mon 1/12

9:50 pm-11:05 am

1 stop13h 15m

Jeju City

Thu 1/15

12:05 pm-8:50 pm

1 stop8h 45m

$347

IncheonJeju City

ICN - CJU

ICNCJU

Incheon Intl

Tue 3/3

12:10 pm-2:00 pm

1 stop25h 50m

Jeju City

Wed 3/4

4:00 pm-1:25 pm

1 stop21h 25m

$349

IncheonJeju City

ICN - CJU

ICNCJU

Incheon Intl

Mon 1/12

8:50 pm-5:55 pm

2 stops21h 05m

Jeju City

Thu 1/15

6:55 pm-11:00 am

2 stops16h 05m

$358

IncheonJeju City

ICN - CJU

ICNCJU

Incheon Intl

Wed 1/14

12:55 pm-6:10 pm

2 stops29h 15m

Jeju City

Sat 1/17

8:00 pm-11:40 am

1 stop15h 40m

$374

IncheonJeju City

ICN - CJU

ICNCJU

Incheon Intl

Fri 3/13

9:25 am-8:55 pm

1 stop11h 30m

Jeju City

Tue 3/17

10:10 am-6:50 pm

1 stop8h 40m

$380

IncheonJeju City

ICN - CJU

ICNCJU

Incheon Intl

Tue 1/13

2:20 am-7:10 pm

1 stop16h 50m

Jeju City

Sat 1/17

8:00 pm-11:40 am

1 stop15h 40m

$385

IncheonJeju City

ICN - CJU

ICNCJU

Incheon Intl

Wed 1/28

12:55 pm-12:50 pm

1 stop23h 55m

Jeju City

Fri 1/30

3:40 pm-11:00 am

2 stops19h 20m

$387

IncheonJeju City

ICN - CJU

ICNCJU

Incheon Intl

Thu 1/15

8:50 pm-2:50 pm

2 stops18h 00m

$161

IncheonJeju City

ICN - CJU

ICNCJU

Incheon Intl

Wed 1/28

8:50 pm-5:55 pm

2 stops21h 05m

$167

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/30

Showing 1-10 of 18 results
1
2

Compare providers for flights from Incheon Intl to Jeju City

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Incheon Intl to Jeju City in January.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Incheon Intl Airport-Jeju City flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Incheon Intl Airport-Jeju City flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Incheon Intl Airport-Jeju City flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Incheon Intl Airport-Jeju City flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Incheon Intl Airport-Jeju City flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Incheon Intl to Jeju City

Have a flexible travel schedule? Discover the best time to fly to Jeju City from Incheon Intl 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 Incheon Intl Airport to Jeju City

How far ahead should I book a flight from Incheon Intl Airport to Jeju City?

Use this chart to determine the optimal time to book a round-trip flight from Incheon Intl to Jeju City. Price data was last updated on December 26, 2025.

To ensure you get the cheapest price possible for a flight from Incheon Intl Airport to Jeju City, you should look to book at least 18 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 Incheon Intl Airport to Jeju City?

Currently, February is the cheapest month in which you can book a flight from Incheon Intl Airport to Jeju City (average of $28). Flying from Incheon Intl Airport to Jeju City in October is currently the most expensive (average of $57). 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.

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 January 1, 2026.
See what other customers who have flown with Korean Air, Asiana Airlines, and Jeju Air from Incheon Intl Airport 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
1,184 reviews

Crew

8.7

Entertainment

8.2

Overall

8.4

Boarding

8.5

Comfort

8.3

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
1,184 reviews
Korean Air
8.4
Very good
1,184 reviews

Crew

8.7

Entertainment

8.2

Overall

8.4

Boarding

8.5

Comfort

8.3

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
8.2
Very good
502 reviews
Korean Air
8.4
Very good
1,184 reviews

Crew

8.7

Entertainment

8.2

Overall

8.4

Boarding

8.5

Comfort

8.3

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
36 reviews
Korean Air
8.4
Very good
1,184 reviews

Crew

8.7

Entertainment

8.2

Overall

8.4

Boarding

8.5

Comfort

8.3

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

Find useful and relevant information for your journey from Incheon Intl 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 Incheon Intl?

    If you book a flight to Jeju City from Incheon Intl, you will be flying to Jeju, which is the city’s only airport. Jeju City (CJU) is located 1.7 mi from the center of Jeju City. There are 0 flights from Incheon Intl to Jeju per day from 3 different airlines.

  • How long is the flight from Incheon Intl Airport to Jeju City?

    Departing from Incheon Intl Airport to Jeju City will take you 25h 50m. There are 272 mi between Incheon Intl Airport and Jeju City.

  • What are the cheapest airlines flying from Incheon Intl Airport to Jeju City round-trip?

    Currently priced at $30, Jeju Air will fly you from Incheon Intl Airport to Jeju City and back. In addition to Jeju Air, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Asiana Airlines and Korean Air - these airlines can fly you to your destination from $35 and $53, respectively. You may be able to fly from Incheon Intl Airport to Jeju City for 71% less than the average price by searching for these airlines.

  • Can I find deals for flights from Incheon Intl to Jeju City that include hotel bookings?

    Yes. In addition to deals on Incheon Intl to Jeju City flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Incheon Intl to Jeju City?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Incheon Intl to Jeju City.

  • Can I find deals for business class flights from Incheon Intl to Jeju City?

    Yes. Cheapflights offers flight deals from Incheon Intl 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 Incheon Intl Airport to Jeju City?

    Currently, February is the cheapest month in which you can book a flight from Incheon Intl Airport to Jeju City (average of $28). Flying from Incheon Intl Airport to Jeju City in October is currently the most expensive (average of $57). 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

Traveling to a place near Jeju City?

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Alternative routes for Incheon Intl to Jeju City

See prices for flight routes from nearby airports that may be better suited for you.
Gimpo Intl to Jeju City flights

Top 3 airlines flying from Incheon Intl to Jeju City

Discover the top 3 airlines that operate flights from Incheon Intl 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 2,558,603 searches. Data last updated January 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
Jeju AirCheapest$30Average$76FlexibilityNo cancel feeOn-timeN/A
Korean AirCheapest$54Average$176FlexibilityNo cancel feeOn-time81%
Asiana AirlinesCheapest$61Average$113FlexibilityNo cancel feeOn-time76%

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