Singapore Changi is the busiest airport in Southeast Asia in September by serving 3.4 million scheduled departing seats, representing a 1.7% increase in capacity year-on-year.
Singapore is set to host a packed lineup of major technology conventions, cultural festivals and entertainment events throughout September, including the Singapore River Festival 2026 from Sept. 11 to 20.
Photo by AFP
Jakarta's Soekarno-Hatta International Airport ranked second with 3.24 million scheduled seats, an increase of 6.1% year-on-year.
The airport resumed operation early Tuesday after days of closure due to ash from a volcanic eruption.
The airport serves the Jakarta metropolitan area, and its closure in recent days has disrupted travel plans for thousands of tourists.
Photo by Reuters
Kuala Lumpur International Airport in Malaysia ranks third with seat capacity of 3.18 million, down 2.6% year on year.
It marked the third consecutive month that it had lost its position as Southeast Asia's second busiest airport to Soekarno-Hatta.
Malaysia closed airspace around Kuala Lumpur International Airport for six days from Aug. 26 to 31 to facilitate rehearsals and the National Day Flypast 2026, according to the Civil Aviation Authority of Malaysia (CAAM).
Located in Sepang, the airport spans roughly 100 square kilometers, making it Southeast Asia's largest airport by land area and a key hub for both domestic and international air travel.
Photo by Reuters
Bangkok Suvarnabhumi International Airport ranks fourth with 3.01 million seats, up 2.1%.
Thailand welcomed 20.9 million foreign tourists during the first eight months of 2026, a decline of 3.08% from the same period last year.
Despite the overall decline during the January-August period, the Ministry of Tourism and Sports expects Thailand's full-year tourist numbers and tourism revenue in 2026 to remain close to 2025 levels and avoid a year-on-year contraction.
Photo by Reuters
Ninoy Aquino International Airport ranks fifth with 2.37 million passengers, marking a 2.37% decrease.
Located between the cities of Pasay and Parañaque, about 7 kilometers south of Manila, it serves as the primary gateway for travelers to the country.
Tan Son Nhat Airport in Ho Chi Minh City has claimed the sixth position with seat capacity of 2.19 million, up 4%.
During the recent five-day National Day holiday from Aug. 29 to Sept. 2, Tan Son Nhat airport served 72,522 passengers, an increase of 9.92% compared to the same period, according to data from the airport.
Photo by Vietnam Airlines
Noi Bai International Airport in Hanoi ranked 7th with 1.83 million seats, up 9.3%, the highest growth rate among the airports listed.
During the National Day holiday, Noi Bai International Airport handled 3,336 take-offs and landings, up 14% year on year.
Passenger traffic was estimated at 531,643, an increase of 22% from the same period last year, Vietnam News Agency reported.
Photo by VnExpress/Giang Huy
Thailand's Don Mueang International Airport ranks 8th with 1.4 million seats, down 6.8%.
It serves as a secondary hub for low-cost flights, both domestic and international destinations.
Photo courtesy of the airport
I Gusti Ngurah Rai Airport serving Bali, 13 km south of Denpasar in Tuban, comes in ninth with 1.27 million seats, down 2.3%.
The airport has canceled dozens of flights over the past days due to Anak Krakatau eruption.
As Indonesia's second busiest airport, it acts as a hub for major carriers, offering duty-free shopping, lounges, and close access to Kuta and Jimbaran.
Photo by Skytrax
Sultan Hasanuddin Airport serving Makassar, the capital of the Indonesian province of South Sulawesi, finishes the top 10 with 940,000 seats, up 4.6%
This airport serves as the main gateway to eastern Indonesia and is a major regional aviation hub.
It is the largest airport in eastern Indonesia and one of only three international airports in Sulawesi.
Photo courtesy of the airport
