$11+ 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 9/14. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — CJU
Sep 30 — Oct 71
Round-trip
1 adult, Economy
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Incheon Intl to Jeju City
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One-way
Cheapest flights from Incheon Intl to Jeju CityExplore 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 August 31, 2026.
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 August 31, 2026.
This Jeju Air deal was found by Cheapflights users on 8/30. 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 Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/316:05 pm -
Nonstop1h 20m
Fri 9/43:55 pm -
Nonstop1h 15m
Deal found 8/30![Jeju Air logo]()
$55
This Jeju Air deal was found by Cheapflights users on 8/27. 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 Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/146:05 pm -
Nonstop1h 20m
Mon 9/213:55 pm -
Nonstop1h 15m
Deal found 8/27![Jeju Air logo]()
$66
This Jeju Air deal was found by Cheapflights users on 8/28. 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 Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/316:05 pm -
Nonstop1h 20m
Mon 9/73:55 pm -
Nonstop1h 15m
Deal found 8/28![Jeju Air logo]()
$80
This Jeju Air deal was found by Cheapflights users on 8/26. 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 Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/76:05 pm -
Nonstop1h 20m
Mon 9/143:55 pm -
Nonstop1h 15m
Deal found 8/26![Jeju Air logo]()
$83
This Jeju Air deal was found by Cheapflights users on 8/28. 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 Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/296:05 pm -
Nonstop1h 20m
Mon 8/313:55 pm -
Nonstop1h 15m
Deal found 8/28![Jeju Air logo]()
$91
This Booking.com deal was found by Cheapflights users on 8/26. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/126:05 pm -
Nonstop1h 20m
Mon 10/193:55 pm -
Nonstop1h 15m
Deal found 8/26![Jeju Air logo]()
$92
This Booking.com deal was found by Cheapflights users on 8/31. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/126:05 pm -
Nonstop1h 20m
Mon 9/143:55 pm -
Nonstop1h 15m
Deal found 8/31![Jeju Air logo]()
$94
This Jeju Air deal was found by Cheapflights users on 8/30. 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 Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/186:05 pm -
Nonstop1h 20m
Mon 9/213:55 pm -
Nonstop1h 15m
Deal found 8/30![Jeju Air logo]()
$96
This Jeju Air deal was found by Cheapflights users on 8/28. 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 Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/216:05 pm -
Nonstop1h 20m
Fri 10/23:55 pm -
Nonstop1h 15m
Deal found 8/28![Jeju Air logo]()
$97
Best flights from Incheon Intl to Jeju CityDiscover carefully curated flight deals from Incheon Intl to Jeju City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 31, 2026.
Discover carefully curated flight deals from Incheon Intl to Jeju City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 31, 2026.
This Jeju Air deal was found by Cheapflights users on 8/28. 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 Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/216:05 pm -
Nonstop1h 20m
Fri 10/23:55 pm -
Nonstop1h 15m
Deal found 8/28![Jeju Air logo]()
$97
This Jeju Air deal was found by Cheapflights users on 8/28. 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 Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/186:05 pm -
Nonstop1h 20m
Mon 9/213:55 pm -
Nonstop1h 15m
Deal found 8/28![Jeju Air logo]()
$100
This Jeju Air deal was found by Cheapflights users on 8/27. 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 Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/216:05 pm -
Nonstop1h 20m
Fri 9/253:55 pm -
Nonstop1h 15m
Deal found 8/27![Jeju Air logo]()
$112
This Jeju Air deal was found by Cheapflights users on 8/31. 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 Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:05 pm -
Nonstop1h 20m
Mon 10/193:55 pm -
Nonstop1h 15m
Deal found 8/31![Jeju Air logo]()
$113
This Jeju Air deal was found by Cheapflights users on 8/28. 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 Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/256:05 pm -
Nonstop1h 20m
Mon 9/283:55 pm -
Nonstop1h 15m
Deal found 8/28![Jeju Air logo]()
$146
This Jeju Air deal was found by Cheapflights users on 8/30. 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 Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:05 pm -
Nonstop1h 20m
Mon 10/123:55 pm -
Nonstop1h 15m
Deal found 8/30![Jeju Air logo]()
$162
Last-minute flights from Incheon Intl to Jeju CityDiscover last-minute flight deals from Incheon Intl to Jeju City. Data last updated August 31, 2026 and is based on user searches.
Discover last-minute flight deals from Incheon Intl to Jeju City. Data last updated August 31, 2026 and is based on user searches.
This Jeju Air deal was found by Cheapflights users on 8/30. 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 Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/316:05 pm -
Nonstop1h 20m
Fri 9/43:55 pm -
Nonstop1h 15m
Deal found 8/30![Jeju Air logo]()
$55
This Jeju Air deal was found by Cheapflights users on 8/28. 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 Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/316:05 pm -
Nonstop1h 20m
Mon 9/73:55 pm -
Nonstop1h 15m
Deal found 8/28![Jeju Air logo]()
$80
This Jeju Air deal was found by Cheapflights users on 8/26. 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 Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/76:05 pm -
Nonstop1h 20m
Mon 9/143:55 pm -
Nonstop1h 15m
Deal found 8/26![Jeju Air logo]()
$83
This Jeju Air deal was found by Cheapflights users on 8/27. 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 Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/126:05 pm -
Nonstop1h 20m
Mon 9/143:55 pm -
Nonstop1h 15m
Deal found 8/27![Jeju Air logo]()
$91
This Jeju Air deal was found by Cheapflights users on 8/27. 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 Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/146:05 pm -
Nonstop1h 20m
Mon 9/213:55 pm -
Nonstop1h 15m
Deal found 8/27![Jeju Air logo]()
$66
This Jeju Air deal was found by Cheapflights users on 8/30. 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 Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/186:05 pm -
Nonstop1h 20m
Mon 9/213:55 pm -
Nonstop1h 15m
Deal found 8/30![Jeju Air logo]()
$96
This Jeju Air deal was found by Cheapflights users on 8/28. 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 Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/216:05 pm -
Nonstop1h 20m
Fri 10/23:55 pm -
Nonstop1h 15m
Deal found 8/28![Jeju Air logo]()
$97
One-way flights from Incheon Intl to Jeju CitySearch for one-way flight options from Incheon Intl to Jeju City. Find affordable one-way fares based on user searches. Data last updated August 31, 2026.
Search for one-way flight options from Incheon Intl to Jeju City. Find affordable one-way fares based on user searches. Data last updated August 31, 2026.
This Booking.com deal was found by Cheapflights users on 8/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/146:05 pm -
Nonstop1h 20m
Deal found 8/27![Jeju Air logo]()
$11
This CheapOair deal was found by Cheapflights users on 8/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/76:05 pm -
Nonstop1h 20m
Deal found 8/28![Jeju Air logo]()
$14
This Booking.com deal was found by Cheapflights users on 8/31. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/216:05 pm -
Nonstop1h 20m
Deal found 8/31![Jeju Air logo]()
$19
This CheapOair deal was found by Cheapflights users on 8/27. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/126:05 pm -
Nonstop1h 20m
Deal found 8/27![Jeju Air logo]()
$23
This Jeju Air deal was found by Cheapflights users on 8/28. 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 Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/286:05 pm -
Nonstop1h 20m
Deal found 8/28![Jeju Air logo]()
$25
This Booking.com deal was found by Cheapflights users on 8/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/196:05 pm -
Nonstop1h 20m
Deal found 8/29![Jeju Air logo]()
$26
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 August 31, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $61 (Booking.com) |
One-way from | $11 (Booking.com) |
Popular in | February |
Cheapest in | June |
Average price | $99 |
Good round-trip deal | $89 or less |
Good one-way deal | $16 or less |
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 7,457,451 searches. Data last updated August 31, 2026.
Use the filters below to find and compare flights from Incheon Intl Airport to Jeju City that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
IncheonJeju City
ICN Incheon Intl - CJU Jeju City
ICNCJU
Incheon Intl
Mon 9/21
6:05 pm-7:25 pm
Nonstop1h 20m
Jeju City
Fri 10/2
3:55 pm-5:10 pm
Nonstop1h 15m
$97
IncheonJeju City
ICN Incheon Intl - CJU Jeju City
ICNCJU
Incheon Intl
Fri 9/18
6:05 pm-7:25 pm
Nonstop1h 20m
Jeju City
Mon 9/21
3:55 pm-5:10 pm
Nonstop1h 15m
$100
IncheonJeju City
ICN Incheon Intl - CJU Jeju City
ICNCJU
Incheon Intl
Mon 9/21
6:05 pm-7:25 pm
Nonstop1h 20m
Jeju City
Fri 9/25
3:55 pm-5:10 pm
Nonstop1h 15m
$112
IncheonJeju City
ICN Incheon Intl - CJU Jeju City
ICNCJU
Incheon Intl
Sat 10/17
6:05 pm-7:25 pm
Nonstop1h 20m
Jeju City
Mon 10/19
3:55 pm-5:10 pm
Nonstop1h 15m
$113
IncheonJeju City
ICN Incheon Intl - CJU Jeju City
ICNCJU
Incheon Intl
Fri 9/25
6:05 pm-7:25 pm
Nonstop1h 20m
Jeju City
Mon 9/28
3:55 pm-5:10 pm
Nonstop1h 15m
$146
IncheonJeju City
ICN Incheon Intl - CJU Jeju City
ICNCJU
Incheon Intl
Fri 10/9
6:05 pm-7:25 pm
Nonstop1h 20m
Jeju City
Mon 10/12
3:55 pm-5:10 pm
Nonstop1h 15m
$162
Cheapest one-way
Quickest one-way
IncheonJeju City
ICN Incheon Intl - CJU Jeju City
ICNCJU
Incheon Intl
Mon 9/7
6:05 pm-7:25 pm
Nonstop1h 20m
$17
IncheonJeju City
ICN Incheon Intl - CJU Jeju City
ICNCJU
Incheon Intl
Mon 10/19
6:05 pm-7:25 pm
Nonstop1h 20m
$19
IncheonJeju City
ICN Incheon Intl - CJU Jeju City
ICNCJU
Incheon Intl
Mon 9/28
6:05 pm-7:25 pm
Nonstop1h 20m
$25
IncheonJeju City
ICN Incheon Intl - CJU Jeju City
ICNCJU
Incheon Intl
Sat 10/17
6:05 pm-7:25 pm
Nonstop1h 20m
$47
Showing 1-10 of 11 resultsSorted by cheapest first
- Most accurate provider: When it comes to deals on Incheon Intl Airport-Jeju City flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Incheon Intl Airport-Jeju City flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.
ICN-CJU
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
Prices
Delays
What is the cheapest month to book a flight from Incheon Intl Airport to Jeju City?
Currently, June is the cheapest month in which you can book a flight from Incheon Intl Airport to Jeju City (average of $86). Flying from Incheon Intl Airport to Jeju City in February is currently the most expensive (average of $781). 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 ICN to CJU?
Find hourly flight availability from Incheon Intl 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 August 31, 2026.
When flying from Incheon Intl Airport to Jeju City, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
How often are flights from Incheon to Jeju City delayed?
About 26% of weekly flights between Incheon and Jeju City have experienced delays in the past year, with the average delay time being 75 minutes.
What is the most punctual flight time for Incheon to Jeju City flights?
Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Friday tends to have the lowest number of delays on this route, whereas Tuesday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Incheon to Jeju City flights?
Over the last year, Jeju Air have had the lowest number of delays on this route, with just 28% 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 August 31, 2026.
See what other customers who have flown with 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.
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.
Traveling to a place near Jeju City?
Book flights to Jeju City if you plan to visit one of these locationsSeogwipo
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Complete your trip
Complete your trip to Jeju City by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from Incheon Intl to Jeju City, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Jeju City
Explore flights to Jeju City departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 31, 2026.
Incheon Intl and Jeju City flights
Browse other Incheon Intl and Jeju City flight options. Last updated on August 31, 2026.
Other flights from Incheon Intl
Browse through other flights departing from Incheon Intl. Flights are based on user searches made on Cheapflights and were last updated on August 31, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Incheon Intl to Jeju City
Discover the top airline 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 7,457,451 searches. Data last updated August 31, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$68 | Average$128 | FlexibilityNo cancel fee | On-timeN/A |