Cheap Flights to Jeju International Airport
Jeju International Airport serves South Korea’s most beloved island getaway, a UNESCO World Heritage-listed volcanic paradise known for dramatic landscapes, pristine beaches, and Hallasan, the country’s highest peak. As one of the busiest domestic air routes in the world connects Jeju to Seoul, CJU welcomes millions of Korean and international visitors each year to this unique island escape.
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or request an offerAbout Jeju International Airport (CJU)
CJU is one of South Korea’s busiest airports, driven overwhelmingly by domestic tourism from mainland Korea, with Korean Air, Asiana, Jeju Air, and Jin Air all operating extensive service. The Seoul-Jeju route consistently ranks among the world’s busiest air corridors by passenger volume, reflecting the island’s status as Korea’s premier domestic vacation destination, alongside growing international connectivity from China and Southeast Asia.
IATA/ICAO codes
CJU / RKPC
Location
A few kilometers from Jeju City
Key airline
Korean Air, Asiana Airlines, Jeju Air, Jin Air
Notable feature
One of the world’s busiest air routes connects Jeju to Seoul
Popular Routes
CJU’s network is dominated by extremely high-frequency domestic service, with growing international connections.
Route Type
Popular Connections
Domestic South Korea
Seoul (Gimpo), Busan, Daegu
International — China
Shanghai, Beijing (select routes)
International — Southeast
Best Time to Book Cheap Flights
Booking several weeks ahead of travel is a wise strategy given the island’s popularity, particularly around major Korean holidays like Lunar New Year and Chuseok, when domestic demand surges dramatically. The peak summer beach season from July through August also sees significant demand, while spring cherry blossom season is similarly popular.
About Jeju
Jeju is South Korea’s largest island and a UNESCO World Heritage Site, formed by volcanic activity and known for its unique basalt landscapes, waterfalls, and mild subtropical climate. The island offers everything from beach resorts and theme parks to challenging mountain hikes, making it Korea’s most popular vacation destination for both domestic and increasingly international travelers.
Things to Know When Flying Into Jeju
Jeju is a UNESCO World Heritage Site, recognized for its unique volcanic geology, including extensive lava tube cave systems.
Hallasan, South Korea’s highest peak at over 1,900 meters, offers popular hiking trails within Hallasan National Park.
The Jeju Olle Trail, a network of coastal walking paths, has become a major draw for hikers seeking scenic ocean views.
As a hugely popular domestic destination, flights and accommodations should be booked well in advance during Korean holiday periods.
Why Book Your Jeju Flights with Airline Tickets Services
Fare comparisons across Korean Air, Asiana, Jeju Air, and Jin Air for CJU itineraries
Guidance on booking early for Korean holiday and peak summer travel
Flexible booking for hiking, beach, and volcanic landscape tourism
Real-time pricing to help you find the lowest available fares
Support for combining Jeju with a broader South Korea itinerary
FAQs — Flights to International Airport
Jeju is a UNESCO World Heritage-listed volcanic island known for its dramatic landscapes, including Hallasan Mountain, lava tube caves, and beautiful beaches, making it South Korea's top domestic vacation destination.
Korean Air, Asiana Airlines, Jeju Air, and Jin Air operate extensive domestic service from Seoul and other Korean cities, with growing international connectivity to China and Southeast Asia.
Seoul (Gimpo) to Jeju is one of the busiest air routes in the world by passenger volume, reflecting the island's massive popularity as a domestic Korean getaway.
The airport is located just a few kilometers from Jeju City, making it one of the more centrally located airports relative to its main city.
Booking several weeks ahead is recommended, particularly for Korean holiday periods and the peak summer beach season, when domestic demand surges significantly.
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Compare live fares to Jeju International Airport (CJU) and start planning your trip to South Korea today.
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