Originfacts

Airport guide

Gimpo International AirportIATA code GMP

Gimpo International Airport (GMP/RKSS) is the primary air passenger gateway serving Seoul, South Korea in Asia. Originfacts tracks 4 direct destinations across 3 countries departing from GMP.

Serves
Seoul, South Korea
Codes
GMP · RKSS
IATA · ICAO
Time zone
Asia/Seoul
Region
Asia
Airport record, updated 12 Jun 2026Route records, updated 21 May 2026OurAirports, 5 Oct 2026Wikidata, 5 Oct 2026Travelpayouts fares, 5 Oct 2026NASA POWER climate, 2016–2025Terminals and transport not yet verifiedWhere this comes from

Gimpo International Airport (GMP/RKSS) is the primary air passenger gateway serving Seoul, South Korea in Asia. Operating on Asia/Seoul local time at coordinates 37.560°, 126.800°, the airfield functions as an active commercial transit hub for scheduled regional and international flights. Originfacts tracks 4 destinations across 3 countries departing from GMP, with primary carrier operations including Air China, China Southern Airlines, Korean Air and Asiana Airlines, connecting key routes to Beijing, Tokyo, Jeju and Osaka. Passengers traveling through Gimpo International Airport are advised to verify terminal assignments, compare ground transport links into Seoul, and plan check-in times with their operating airline before departure.

Gimpo International Airport details

Airport record · 12 Jun 2026
IATA code
GMP
ICAO code
RKSS
City
Seoul
Country
South Korea
Region
Asia
Time zone
Asia/Seoul
Coordinates
37.558°, 126.791°
From OurAirports

Codes, region and time zone come from the Originfacts airport record (last updated 12 Jun 2026). Fields marked otherwise come from the dataset named on them. None are verified by hand against Gimpo International Airport’s own pages.

GMP airport facts

OurAirports · Wikidata
Size class
Large airport
From OurAirports (5 Oct 2026); OurAirports’ own classification
Elevation
18 m (59 ft)
From OurAirports (5 Oct 2026)
Operator
Korea Airports Corporation
Per Wikidata (opens in a new tab) (retrieved 5 Oct 2026)
Passengers, 2022
24.5 million
Per Wikidata (opens in a new tab) (retrieved 5 Oct 2026), citing airport.co.kr (opens in a new tab)
Named after
Gimpo
Per Wikidata (opens in a new tab) (retrieved 5 Oct 2026)
Nearest airport with scheduled flights
Incheon International Airport ICN · 32 km
OurAirports scheduled-service flag; straight-line distance calculated

Runways at GMP

OurAirports · 5 Oct 2026

Source: OurAirports (opens in a new tab) runways data (public domain), retrieved 5 Oct 2026. Not an aeronautical source — not for navigation.

2 open runways, all lit. Longest 14L/32R: 3,600 m, asphalt.

Runways at GMP: length, width, surface and lighting
RunwayLengthWidthSurface
14L/32R3,600 m11,811 ft45 masphalt
14R/32L3,200 m10,499 ft60 masphalt

Airlines and destinations from GMP

Travelpayouts · 5 Oct 2026

Source: Travelpayouts fare data, 5 Oct 2026 — destinations where travellers found a nonstop fare from GMP in the days before that date. Not a complete or live schedule.

Nonstop fares from GMP to 11 destinations in 4 countries, on 9 airlines. Originfacts’ own route records for GMP are listed separately below.

Airlines named on the fares

The airline on a fare can be the seller of a codeshare flown by a partner. Linked names are matched to Originfacts airline pages by code and name; others are shown as the fare data names them.

Destinations by country

South Korea (4)
Busan, Gwangju, Jeju, Ulsan
Japan (3)
Nagoya, Osaka, Tokyo
China (2)
Beijing, Shanghai
Taiwan (2)
Kaohsiung, Taipei

Linked destinations also have an Originfacts route record from GMP.

Check schedules with the airline or Gimpo International Airport before you book.

Airlines on routes from GMP

Route records · 21 May 2026

Source: Originfacts route records, last updated 21 May 2026. Not verified by hand.

The airlines listed on the 4 routes Originfacts tracks from GMP. Originfacts’ route records cover the routes we track, not Gimpo International Airport’s full network. This is not a complete list of airlines at Gimpo International Airport.

Routes from GMP

Route records · 21 May 2026

Source: Originfacts route records, last updated 21 May 2026. Not verified by hand.

The 4 routes Originfacts tracks from GMP so far, listed with the distance and estimated flight time in each route record. Originfacts’ route records cover the routes we track, not Gimpo International Airport’s full network. Check live schedules with the airline.

Full list of destinations: airport.co.kr/gimpoeng/index.do (opens in a new tab) (the airport’s official site)

Airlines with a hub at GMP

Wikidata · 5 Oct 2026

Per Wikidata (opens in a new tab) (retrieved 5 Oct 2026): airlines whose “airline hub” property names GMP, with no end date and not recorded as dissolved. Community-edited; hubs change.

Where GMP is

Calculated

18 km west

Gimpo International Airport lies 18 km west of Seoul city centre in a straight line. Road distance is longer; transport options are not yet verified (see terminals and transport below).

Calculated from the airport coordinates (OurAirports) and the Wikidata (opens in a new tab) city-centre point.

Terminals, transport and parking at GMP

Not yet verified

Terminal assignments, ground transport into Seoul, parking, lounges and accessibility services have not been verified against Gimpo International Airport’s own pages yet, so none are listed here.

Check directly:airport.co.kr/gimpoeng/index.do (opens in a new tab)Map of the airport location (opens in a new tab)

Before you travel

  • Confirm your terminal with the operating airline.
  • Check the check-in and bag-drop cut-off times on your booking.
  • Allow extra time if you need to change terminals or check bags in again.
  • Check your flight status before you leave for the airport.

Climate at GMP, month by month

NASA POWER · 2016–2025

Source: NASA POWER (opens in a new tab) daily values for 2016–2025 at 37.56°, 126.80° (MERRA-2 reanalysis grid, about 50 km cells), averaged by Originfacts. Modelled, not airport weather-station readings.

Warmest: August (average high 29°C). Coolest: January (2°C high, -6°C low). Wettest: July (304 mm); driest: January (20 mm).

Average daily high and low temperature and average monthly precipitation at GMP, 2016–2025
MonthHighLowRain
Jan2°C-6°C20 mm
Feb4°C-4°C27 mm
Mar11°C0°C44 mm
Apr17°C6°C65 mm
May22°C11°C99 mm
Jun26°C17°C140 mm
Jul29°C22°C304 mm
Aug29°C23°C262 mm
Sep26°C18°C162 mm
Oct19°C10°C90 mm
Nov12°C3°C56 mm
Dec3°C-4°C30 mm

Airports near Seoul

Calculated

Straight-line distances calculated from each airport’s coordinates in the Originfacts airport records. Road distances are longer.

Gimpo International Airport: common questions

Where is Gimpo International Airport?

Gimpo International Airport serves Seoul, South Korea. Its coordinates in OurAirports are 37.558°, 126.791°.

What are the airport codes for Gimpo International Airport?

The IATA code is GMP and the ICAO code is RKSS.

What time zone is GMP in?

Gimpo International Airport is in the Asia/Seoul time zone.

What is the official website of Gimpo International Airport?

The airport’s official website is airport.co.kr/gimpoeng/index.do. For questions about a booking, contact the operating airline.

Which airlines are listed on routes from GMP?

Originfacts’ route records (last updated 21 May 2026) list Air China, China Southern Airlines, Korean Air, Asiana Airlines, All Nippon Airways, Jeju Air, Air Busan, Jin Air, T'way Air and Eastar Jet on routes from GMP. This is not a complete list of airlines at Gimpo International Airport; check current schedules with the airline.

Where can you fly from GMP?

Originfacts’ route records (last updated 21 May 2026) include 4 routes from GMP so far, to 4 destinations in 3 countries: Beijing, Tokyo, Jeju and Osaka. These are the routes Originfacts tracks, not Gimpo International Airport’s full network. For the full list of destinations, check the airport’s official website (airport.co.kr/gimpoeng/index.do) or the airlines.

How many runways does Gimpo International Airport have?

OurAirports lists 2 open runways at GMP: 14L/32R (3,600 m (11,811 ft), asphalt); 14R/32L (3,200 m (10,499 ft), asphalt).

Where can you fly nonstop from GMP?

Travelpayouts fare data retrieved 5 Oct 2026 showed nonstop fares from GMP to 11 destinations in 4 countries, the most in South Korea (4), Japan (3) and China (2). That reflects fares travellers found, not a complete or live schedule.

How many passengers use Gimpo International Airport?

Wikidata records 24.5 million passengers for 2022, the latest year it holds.

Who operates Gimpo International Airport?

Per Wikidata, GMP is operated by Korea Airports Corporation.

Which airlines have a hub at GMP?

Wikidata lists GMP as a hub of Asiana Airlines, Eastar Jet, Jin Air and Korea Express Air.

How far is GMP from Seoul city centre?

Gimpo International Airport is about 18 km west of Seoul city centre in a straight line, calculated from coordinates. The distance by road is longer.

Sources

Nothing on this page is verified by hand yet. Each section comes from the dataset below, with its date where the dataset has one. Terminal, transport and parking details are left out until they can be read from Gimpo International Airport’s own pages.

Background reading:Wikipedia (opens in a new tab)Wikidata (opens in a new tab)