$206 Cheap Korean Air flights Seoul (ICN) to Jeju (CJU)

View $206 flight on Sat, Feb 7, 2026Opens in a new window

$206 Cheap Korean Air flights Seoul (ICN) to Jeju (CJU)

Prices were available within the past 7 days and start at $206 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Seoul (ICN) to Jeju (CJU)
Origin airport
Incheon Intl.
Destination airport
Jeju Intl.
Airlines serving
Air China, Asiana Airlines, China Eastern Airlines, T'Way Air
Popular airline
China Eastern Airlines
Distance
273 mi

Frequently asked questions

How much is a Korean Air flight from Incheon Intl. Airport (ICN) to Jeju Intl. Airport (CJU)?
Grab budget-friendly return Korean Air flights from ICN to CJU by sorting your results from "Price (lowest to highest)" on Expedia. Or look for bargains from $206 for a one-way journey.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from ICN to CJU with Korean Air?
Look for round-trip or one-way flights to Jeju City in January or February. You could find cheaper fares with Korean Air during these quieter months.
What is the cheapest time to book flights from Incheon Intl. Airport (ICN) to Jeju Intl. Airport (CJU) with Korean Air?
Search for cheap Korean Air flights from Incheon Intl. Airport (ICN) to Jeju Intl. Airport (CJU) one to three months before your day of departure. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. No matter the fare type and journey, the ideal day to book a domestic flight is usually Sunday and the most expensive is typically Monday. Passengers who book on a Sunday can save 6% on average compared to those who book their travel on a Monday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Korean Air fly nonstop from Incheon Intl. Airport (ICN) to Jeju Intl. Airport (CJU)?
Select our "Nonstop" filter when browsing for direct Korean Air flights from ICN to CJU. You can also compare other carriers servicing the same nonstop trip.
What is the earliest Korean Air flight from ICN to CJU?
Sort your results by "Early Morning" and "Morning" to see the earliest flights from ICN to CJU. Leaving early means you're less likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Korean Air fly into in Jeju City?
Korean Air flights from Incheon Intl. Airport (ICN) to Jeju City come in to Jeju Intl. Airport (CJU). This is the main entry point to this destination.
What kind of luggage can I take on a Korean Air flight from Incheon Intl. Airport (ICN) to Jeju Intl. Airport (CJU)?
Korean Air allows travelers to bring 2 checked-in bags weighing up to 50 lb with maximum dimensions of 62 inches on standard economy flights from ICN to CJU. You can also take 1 cabin bag in the cabin. This carry-on luggage must not exceed 21 inches x 15 inches x 7 inches and weigh less than 39 lb. Baggage rules can vary depending on your fare type and cabin class, so check your booking or Korean Air's website to avoid any additional costs at the airport.
Why fly with Korean Air from ICN to CJU?
A 5-star airline rating and the chance to rack up points through Korean Airlines Skypass are the start of the reasons to leave from ICN to CJU with Korean Air. Plus, when you join our One Key™ program, you can earn OneKeyCash™* in addition to Korean Air's loyalty program earnings. It's yours to use wherever your next trip takes you.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Korean Air flight from Incheon Intl. Airport (ICN) to Jeju Intl. Airport (CJU)?
Depending on the ticket type you purchased, a fee may apply if you cancel or reschedule your flight more than 24 hours after it has been confirmed. To secure flexible plane tickets, select our "Changes included" or "No cancel fee" filter when looking for flights. To learn more about canceling or changing your reservation, head to "Trips," select your flight and click on "Manage Booking."

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*Available to One Key members.