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Local time zone: Asia/Seoul · currently 6:45 AM local
Gimpo International Airport (GMP) currently has nonstop service to 15 destinations on 20 airlines in our latest departure data. The busiest route is to Jeju City (CJU), served by 9 carriers, and the largest operator here is Korean Air with nonstops to 7 destinations. 8 of its routes are international.
Route data as of August 16, 2026, based on a 7-day departures sample.
You can fly nonstop from GMP to 15 destinations, including 8 international routes. Current schedules show about 183 flights per day across those routes. The busiest options start with Jeju City (CJU), Busan (PUS), Tokyo (HND).
All airports near Seoul (2 compared) →
8 international routes in this schedule set
South Korea 7 · China 3 · Japan 3
115-116/day on 9 airlines
Boeing 737 · Airbus A320 family · Airbus A330
These routes have enough tracked flights or schedule depth for a full guide with duration, distance, airlines, aircraft, and frequency.
Seoul to Jeju City · KR
Busan · 203 mi · 17-18/day
Tokyo · 733 mi · 11-12/day
Osaka · 519 mi · 10/day
Sacheon · 185 mi · 5-6/day
Shanghai · 538 mi · 4/day
Beijing · 576 mi · 3/day
Ulsan · 197 mi · 3/day
Ranked by destinations served, then daily frequency.
Grouped by departure terminal in our schedule data, with each carrier's share of that terminal's captured departures.
Ranked by airlines operating the route. Routes with enough tracked data or schedule depth link to full route guides.
Gimpo International Airport (GMP / RKSS) is located in Seoul, South Korea.
The IATA code is GMP. The ICAO code is RKSS.
The busiest scheduled route from GMP in our current departure data is GMP to CJU (Jeju City), with 115-116/day across 9 airlines.
Korean Air is the largest operator in our GMP schedule data, serving 7 destinations with 36-37/day.
GMP has 8 international routes and 7 domestic routes in the current schedule set.
20 airlines operate at GMP. Top carriers include Korean Air, Asiana Airlines, Jin Air, Jeju Air, T'way Air.
GMP has direct flights to 15 destinations including Jeju City, Busan, Tokyo, Osaka, Sacheon.
View live arrivals and departures at GMP on FlightRadar24.
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