
Kuala Lumpur International Airport (KLIA; IATA: KUL, ICAO: WMKK) is the main international airport of Malaysia. Despite its name, it is not located within Kuala Lumpur, but rather in the Sepang District of Selangor, approximately 45 km (28 mi) south of the city, serving its greater conurbation. KLIA is the largest and busiest airport in the country and a regional mega-hub for Southeast Asia. In 2025, it handled 63.3 million passengers, ranking as the 20th-busiest airport by total passenger traffic. AirAsia is the dominant air carrier in Malaysia, based in KLIA Terminal 2 and serving 14,583 low-cost connections, with a 35% share of flights, followed by Malaysia Airlines. The airport is operated by Malaysia Airports (MAHB) Sepang Sdn Bhd and is the major hub of Malaysia Airlines, MASkargo, Batik Air Malaysia, UPS Airlines and World Cargo Airlines, and the operating base for AirAsia and AirAsia X. In 2024, KLIA was ranked first by OAG (by ratio of connection flight frequency to destinations served) in the Global Low-Cost Megahubs index by 11,188 possible low-cost connections across over 137 destinations. OAG also ranked KLIA as the world's second most connected airport (by ratio of connection flight frequency to destinations served) in 2024, with 33,411 possible connections, according to the OAG Megahub Index, second to London–Heathrow and followed by Tokyo–Haneda, Amsterdam and Seoul–Incheon in the top five.

2.746°N, 101.710°E · 21 m s. n. m. (69 ft)
Lengths and surfaces from the public OurAirports register; open runways only.
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Reference frequencies for enthusiasts, from OurAirports (community database, public domain), checked on Oct 16, 2026. They may be outdated or incomplete and do not replace the AIP or current charts: not for navigation. In Europe the published frequency may be an 8.33 kHz channel (e.g., 118.505 for 118.500). In MHz.
The groundbreaking ceremony for Kuala Lumpur International Airport (KLIA) took place on 1 June 1993 when the government under Mahathir Mohamad decided that the existing Kuala Lumpur airport, then known as Subang International Airport (now Sultan Abdul Aziz Shah Airport) could not handle future demand. The construction of the airport was done mainly by a few state-owned construction companies as well as Ekovest Berhad – helmed by Tan Sri Datuk Lim Kang Hoo. It was created as part of the Multimedia Super Corridor, a grand development plan for Malaysia. The chief architect who designed the new airport terminal was the Japanese architect Kisho Kurokawa. Upon KLIA's completion, Subang Airport's Terminal 1 building was demolished. Malaysia Airports agreed to redevelop the remaining Terminal 3 to create a specialist airport for turboprop and charter planes surrounded by a residential area and a business park. The IATA airport code KUL was transferred from Subang Airport, which handled limited low-cost airline service, turboprops, aircrafts' maintenance, repair and operations (MRO), general aviation and military aircraft after the switch, and recently resumed its own jets operation in 2024. The airport's site spans 100 square kilometres (39 sq mi) of former agricultural land and is one of the world's largest airport sites. An ambitious three-phase development plan anticipates KLIA to have three runways and two terminals each with two satellite terminals. Phase One involved the construction of the main terminal and one satellite terminal, giving a capacity of 25 million passengers, and two full service runways. The Phase One airport had 60 contact piers, 20 remote parking bays with 80 aircraft parking positions, four maintenance hangars and fire stations. Phase Two, designed to increase capacity to 35 million passengers per year, is largely complete. Phase Three is anticipated to increase capacity to 100 million passengers per year. Kuala Lumpur International Airport was officially inaugurated by the tenth Yang di-Pertuan Agong, Tuanku Ja'afar of Negeri Sembilan, on 27 June 1998, shortly before the 1998 Commonwealth Games. The inauguration of the airport was marked with numerous problems. The aerobridge and bay allocation systems broke down, with queues building up throughout the airport and baggage handling failing. Bags were lost, and there were waits of over five to seven hours. Most of these issues were remedied eventually, though the baggage handling system was plagued with problems until it was put up for a complete replacement tender in 2007. The airport suffered greatly reduced traffic with the general reduction in economic activity brought about by the 1997 Asian financial crisis, September 11 attacks, SARS, bird flu epidemic (Avian flu), the 2008 financial crisis, the 2009 swine flu pandemic and the COVID-19 pandemic. The airport is also largely overshadowed by the more internationally renowned Changi Airport located approximately 300 kilometres (190 mi) to the southeast in Singapore, due to a lack of connecting flights served by the airports, especially to European aviation hubs. The first year of opening immediately saw reduction of passenger numbers as some airlines, including All Nippon Airways (resumed on 1 September 2015), British Airways (reinstated on 28 May 2015 until 28 March 2021, and again since April 2025), Lufthansa (resumed between 28 March 2004 until 28 February 2016) discontinued their flights. Qantas moved their Sydney-Kuala Lumpur route to its low-cost subsidiary Jetstar, which continued to operate the route until 2008. Aeroflot terminated their Moscow-Kuala Lumpur via Singapore route in 2001, although there had been discussions about Aeroflot resuming the Kuala Lumpur route, no progress was made, and Northwest Airlines terminated their loss-making route from Osaka to Kuala Lumpur in 2001.
Airlines using it as a main base (hub)
Other airlines with direct routes
Airlines with current passenger routes from here, according to Wikipedia route tables cross-checked from both ends (October 2026).
Photo: Craig · Public domain · view original
Data from OurAirports (public domain) · destinations and airlines from Wikipedia route tables (CC BY-SA, 2026), unless another source is given · profile and photo from Wikidata/Wikimedia Commons (CC0 / CC) · summary and history from Wikipedia (CC BY-SA).
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This page was last updated on October 15, 2026
APA
Vuelopedia. (2026, October 15). Kuala Lumpur International Airport (KUL). Retrieved October 16, 2026, from https://vuelopedia.org/en/airport/KUL
MLA
“Kuala Lumpur International Airport (KUL).” Vuelopedia, Fundación Poderia, 15 Oct. 2026, vuelopedia.org/en/airport/KUL. Accessed 16 Oct. 2026.
Chicago
Vuelopedia. “Kuala Lumpur International Airport (KUL).” Fundación Poderia. Last modified October 15, 2026. https://vuelopedia.org/en/airport/KUL.
Harvard
Vuelopedia (2026) Kuala Lumpur International Airport (KUL). Available at: https://vuelopedia.org/en/airport/KUL (Accessed: 16 October 2026).
BibTeX
@misc{vuelopedia_en_airport_kul,
author = {{Vuelopedia}},
title = {{Kuala Lumpur International Airport (KUL)}},
publisher = {Fundación Poderia},
year = {2026},
date = {2026-10-15},
url = {https://vuelopedia.org/en/airport/KUL},
howpublished = {\url{https://vuelopedia.org/en/airport/KUL}},
urldate = {2026-10-16},
note = {Accessed 2026-10-16}
}Wikipedia
{{cite web |url=https://vuelopedia.org/en/airport/KUL |title=Kuala Lumpur International Airport (KUL) |website=Vuelopedia |publisher=Fundación Poderia |date=2026-10-15 |access-date=2026-10-16 |language=en}}