Cheap Flights from Seoul to Jeju — $18

The Seoul — Jeju route is served by a wide range of airlines: 9 in total, including Jeju Air, Eastar Jet, Jin Air, T'way Air, Air Busan, Korean Air, Thai Smile, Sky Regional Airlines, and Asiana Airlines. Competition among carriers gives passengers the opportunity to find tickets at attractive fares — with prices starting from $18. Our service helps compare all available offers within seconds and choose the most convenient option. You can filter flights by price, departure time, or baggage rules to make your trip as comfortable as possible. With so many airlines, there’s always a chance to catch special promotions and save.

The distance between Seoul and Jeju is 453km (281 miles). The average flight duration is 1h 15m. There are 396 direct flights from Seoul to Jeju. Seoul and Jeju are in the same time zone. Flights from Seoul begin at 6:00 AM. The latest flight from Seoul departs at 9:10 PM

Incheon International Airport (ICN) is Seoul’s primary international gateway and a major East Asian hub, typically handling long-haul carriers and full-service airlines alongside some premium regional operators. Located about 48 km west of central Seoul on Yeongjong Island, it usually takes 45–70 minutes by AREX express or airport limousine bus, with fares commonly ranging from moderate to higher depending on service class. Facilities are generally extensive, offering many lounges, shops and transfer services, making connections comfortable but sometimes lengthy during peak periods. The main downside can be the travel time to downtown; the upside is strong transit links and a broad range of flight options. Gimpo International Airport (GMP) functions primarily as Seoul’s domestic and short-haul international airport, often favored by low-cost carriers and regional flights to Japan, China and nearby cities. It sits roughly 15 km west of central Seoul and can typically be reached in 20–40 minutes by subway, taxi or airport bus, with fares usually inexpensive for public transit and moderate by taxi. Gimpo is generally more convenient for quick city access and shorter security/transfer times, but it can be less well equipped for large international transfer needs and may have fewer long-haul choices compared with Incheon.

Jeju International Airport is the island’s main gateway and typically functions as a busy domestic hub with growing international service, so you’ll see a mix of legacy carriers and budget airlines operating here. Flights to and from mainland Korea are usually competitively priced compared with long-haul routes, while seasonal international fares can vary. The airport sits close to Jeju City—roughly 3–5 km from the city center—making transfers quick: taxis take about 10–20 minutes (moderate fares), airport buses 20–40 minutes with inexpensive fares, and some hotels offer shuttle services. Pros: very convenient for island access and frequent schedules; cons: can be crowded during peak vacation periods and limited late-night public transport.

The minimum one-way ticket price from Seoul to Jeju is $21 (July 2026), while the maximum is $86 (June 2027). On average, a ticket costs $47–$47.