7 Largest Airports in Southeast Asia, 2 of Which are from Indonesia

Illustration (Freepik/@fanjianhua)

YOGYAKARTA - Airports in Southeast Asia are growing rapidly as people's mobility and international tourism increase. Several airports have recorded large areas to accommodate the surge in passenger demand and increased services. So which airports are the largest airports in Southeast Asia? Here's the review.

7 Largest Airports in Southeast Asia

Quoted from VnExpress International, here are the 7 largest airports in Southeast Asia based on area.

Kuala Lumpur International Airport (KLIA), Malaysia

Kuala Lumpur International Airport is the largest airport in Southeast Asia with an area of more than 100 square kilometers. The airport is located in the Sepang District, Selangor, about 45 km (28 miles) south of the city.

KLIA is equipped with several runways and extensive supporting facilities. This infrastructure allows operations to run efficiently even though passenger and cargo demand increases.

Suvarnabhumi Airport, Thailand

With an area of about 35 square kilometers, Suvarnabhumi Airport has become Thailand's main gateway since it opened in 2006. Its presence replaced most international operations from Don Mueang International Airport, which has become too crowded. This makes flight services more efficient.

Long Thanh International Airport, Vietnam

The airport has an area of about 50 square kilometers. Long Thanh International Airport is planned to start operating commercially by the end of 2026. Its presence is projected to replace Suvarnabhumi Airport as the second largest airport in Southeast Asia.

Techo International Airport, Cambodia

Techo International Airport has an area of about 26 square kilometers. The airport is located in Kandal and Takeo provinces, about 19-20 kilometers from the center of Phnom Penh. The airport is scheduled to open in 2025 as part of Cambodia's efforts to attract more international tourists.

Clark International Airport, Philippines

This airport has an area of approximately 23.67 square kilometers and is located about 80 kilometers from Manila. Access is supported by a toll road network that facilitates passenger mobility. This airport is also a hub for several major airlines in the Philippines.

In 2025, the number of passengers reached 2.75 million people. This figure increased by 14 percent compared to the previous year.

Soekarno-Hatta International Airport, Indonesia

Covering an area of about 18 square kilometers, Soekarno-Hatta International Airport is one of the busiest in Southeast Asia. The airport has two runways and 2 main terminals, with Terminal 1 serving Garuda Indonesia and Merpati Nusantara Airlines, and Terminal 2 serving other airlines.

Hang Nadim Airport, Indonesia

Batam Airport or officially known as Hang Nadim Airport has an area of approximately 17.6 square kilometers and is known for having the longest runway in Indonesia. The length of the runway reaches more than 4,025 meters, the second longest in Southeast Asia. This allows large-bodied aircraft to land easily.

Those are the 7 airports with the largest area in Southeast Asia. The large area allows for continuous expansion and capacity increase. This is an important factor in facing the future passenger surge.

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