The year 2025 cements the Jeju–Seoul flight corridor as one of the busiest domestic air routes in the Asia-Pacific region. This route, spanning approximately 450 kilometers, now offers 14.4 million passenger seats, representing a 1% increase from the previous year. With nearly 39,000 seats available daily, it remains a vital link that exemplifies strong domestic travel demand in South Korea and the region.
Jeju Island’s reliance on air connectivity to Seoul, primarily through Gimpo Airport, highlights its importance for both leisure tourism and economic activity. Despite consistent high rankings, the route operates at volumes 17% below pre-pandemic levels, indicating partial recovery amid ongoing global aviation challenges. The route’s success is reflected in the competitive airline environment, with seven carriers vying for market dominance.
Key Route Highlights
- 14.4 million seats offered in 2025
- Nearly 39,000 daily seats
- Seven airlines competing
- Essential for Jeju’s tourism sector
Overall, the Jeju–Seoul corridor symbolizes a critical and highly served air link that provides insight into regional air travel trends. It often rivals top international routes in terms of frequency and capacity, making it an infrastructure pillar for South Korea’s domestic aviation and tourism sectors.
In the broader region, the Asia-Pacific continues to dominate global short-haul air routes. Other key routes such as Sapporo–Tokyo and Fukuoka–Tokyo in Japan, Hanoi–Ho Chi Minh City in Vietnam, and Melbourne–Sydney in Australia are similarly high-capacity corridors, driven by dense populations and high tourism activity. Saudi Arabia’s Jeddah–Riyadh route ranks fifth among the busiest, illustrating the rapid growth of domestic air travel within the kingdom as part of broader economic initiatives.
Regional international routes, including Hong Kong–Taipei, also rank highly, reaffirming the region’s connectivity. The emphasis on short-haul routes underscores the importance of domestic and regional aviation in the current recovery phase of the industry, with anticipated continued growth as travel demand remains robust.
