Updated: January 15, 2026
South Korea Asia

Seoul-si Airport (GMP)

Seoul-si Gimpo International Airport averages 173 flights per day to 16 destinations, with 7 domestic and 9 international routes. A total of 18 airlines operate at GMP, led by Asiana Airlines. This airport provides direct service to 4 countries across one continent, with a route network dominated by domestic flights and Japan as its largest international market. The longest nonstop route from Seoul-si connects to Kaohsiung, with a typical flight time of 3 hrs 5 mins.

IATA
GMP
ICAO
RKSS
Elevation
58 ft (18 m) MSL
Local Time
Asia/Seoul (UTC+09:00)
Destinations
16 (7 domestic · 9 international)
Flights per day
173 (137 domestic · 37 international)
Busiest Route
Jeju City (100/day)
Longest Direct Flight
Kaohsiung 3 hrs 5 mins
Shortest Flight
Gwangju 1 hr 30 mins
Top Airline
Asiana Airlines (7 routes)
Top Country
South Korea (137 flights/day)
Longest Runway
11,808 ft / 3,599 m

Weather in Seoul-si

16 Destinations from Seoul-si Airport (GMP)

This week, 16 active routes depart from Seoul-si International Airport. The busiest route connects Seoul-si with Jeju City and is operated by 7 airlines. The longest nonstop flight is to Kaohsiung, and the shortest flight is to Gwangju.

All Destinations

Flights Destination Route Airlines
100 Jeju City GMP → CJU
1 hr 45 mins
 Air Busan, Air Seoul, Asiana Airlines, EASTAR JET, Jeju Air, Jin Air, Korean Air7
24 Busan-si GMP → PUS
1 hr 35 mins
 Air Busan, EASTAR JET, Jeju Air, Jin Air, Korean Air5
14 Tokyo GMP → HND
2 hrs 50 mins
 ANA, Asiana Airlines, Japan Airlines, Korean Air4
10 Osaka GMP → KIX
2 hrs 15 mins
 Asiana Airlines, Jeju Air, Korean Air, Peach Aviation4
3 Beijing (PEK) GMP → PEK
2 hrs 30 mins
 Air China, Asiana Airlines, Korean Air3
3 Ulsan-si GMP → USN
1 hr 35 mins
 Jin Air, Korean Air2
3 Yeosu GMP → RSU
1 hr 35 mins
 Asiana Airlines, Jin Air2
2 Gwangju GMP → KWJ
1 hr 30 mins
 Asiana Airlines1
2 Sacheon GMP → HIN
1 hr 30 mins
 Jin Air1
2 Taipei City GMP → TSA
2 hrs 55 mins
 China Airlines, EASTAR JET, EVA Air, T'Way Air4
2 Tokoname GMP → NGO
2 hrs 10 mins
 Peach Aviation1
2 Kaohsiung GMP → KHH
3 hrs 5 mins
 Jeju Air, Tigerair Taiwan, T'Way Air3
1 Shanghai (SHA) GMP → SHA
2 hrs 35 mins
 Asiana Airlines, China Eastern Airlines, Shanghai Airlines3
1 Beijing (PKX) GMP → PKX
2 hrs 20 mins
 China Southern Airlines1
1 Pohang GMP → KPO
1 hr 35 mins
 Jin Air1
5/week Shanghai (PVG) GMP → PVG
2 hrs 40 mins
 Korean Air1
Route and destination data updated weekly ()

Airlines

Seoul-si International Airport is served by 18 airlines, with Asiana Airlines in the lead at 16% of routes. The top three carriers together cover 47% of routes. 10 carriers operate only one route each. A total of 15 airlines operate international routes, compared with 7 serving domestic routes. Jeju Air is operating the longest nonstop flight, connecting to Kaohsiung with a flight time of 3 hrs 5 mins.

  • Asiana Airlines7 routes
  • Korean Air7 routes
  • Jin Air6 routes
  • Jeju Air4 routes
  • EASTAR JET3 routes
  • Air Busan2 routes
  • Peach Aviation2 routes
  • T'Way Air2 routes
  • Air Seoul1 route
  • ANA1 route
  • Japan Airlines1 route
  • Air China1 route
  • China Airlines1 route
  • EVA Air1 route
  • Tigerair Taiwan1 route
  • China Eastern Airlines1 route
  • Shanghai Airlines1 route
  • China Southern Airlines1 route

Seoul-si International Airport provides direct service to 4 countries across one continents. The route network is 44% domestic and 56% international, with Tokyo, Japan serving as the primary international destination.

  • South Korea137/day
  • Japan26/day
  • China7/day
  • Taiwan4/day

Global Rankings of Seoul-si Airport (GMP)

This snapshot shows how Seoul-si Airport (GMP) ranks globally across multiple operational and network dimensions. Rankings reflect relative position worldwide across destination breadth, flight volume, scheduling density, and long-haul reach.

Destinations

Measures how broadly the airport connects distinct endpoints across its route network.

Flights & Scheduling

Reflects flight volume and how intensively runway infrastructure is scheduled.

Distance & Reach

Highlights long-haul connectivity and how distance is distributed across flights and runways.

4 Runways at Seoul-si Airport (GMP)

Runways:
Name Length Width Surface
14L 11,808 ft · 3,599 m 150 ft · 46 m Asphalt
32R 11,808 ft · 3,599 m 150 ft · 46 m Asphalt
14R 10,502 ft · 3,201 m 197 ft · 60 m Asphalt
32L 10,502 ft · 3,201 m 197 ft · 60 m Asphalt

The runways at this airport are long enough to accomodate all aircraft.