SOUTHEAST ASIA AVIATION MARKET DATA

How much airline capacity is there in Southeast Asia? Find out with new data each month, detailing:

• Which is the busiest airport in the region?
• What is the biggest airline in Southeast Asia?
• Which Southeast Asian country has the most airline capacity?
• Which regions do most travellers from Southeast Asia visit?
• And more.

Find below flight data and analysis focused on the Southeast Asia aviation market, with data powered by OAG's Schedules Analyser. The data is updated monthly. Seats are calculated as departing seats (one-way).

How Much Airline Capacity is There in SouthEast Asia This Month?

• Overall capacity in the Southeast Asia market grew by 3.3% compared to September 2024, up to 47.6 million seats.
• International capacity increased by 4.2%, whilst domestic capacity has increased by 2.2%.
• International capacity represents a 56% share of the market, and domestic capacity represents the remaining 44% market share.

Which sOUTHeAST aSIAN Country Has The Most Airline Capacity (Domestic + International)?

• Indonesia remains the largest Southeast Asian market with 10.3m seats, despite capacity reducing again this month by 8.8% compared to September 2024.
• Thailand is the next largest market in SE Asia, with 6.7m seats, a 5.9% increase in capacity vs last year.
• The markets showing the largest growth in seats are Vietnam and Malaysia again this month, with growth of 1m and 563,800 additional seats respectively compared with last year.
• Viet Nam is also growing at the fastest rate this month, up 20.3% vs September 2024 followed by Cambodia up 18.3%.
  
• For more insight into airline capacity, get in touch regarding our flight seat data here.

Which sOUTHeAST aSIAN Country Has The Most Domestic Airline Capacity?

• Indonesia is the largest domestic market in SE Asia, with 8.1m seats, despite a 12.2% reduction in capacity - 1.1 million fewer seats.
• Viet Nam increased domestic capacity most by volume, with growth of 780k seats vs last year, followed by Malaysia with 444k and Thailand with 357k additional seats compared to September 2024.
• Domestic capacity in Cambodia has reduced further by 24.9% to 15k seats.
  

Which is the Busiest Airport in SouthEast Asia?

• Singapore Changi remains the largest airport in the region, with 3.4m seats. This represents a decline of 0.1% in capacity compared to last year.
• Kuala Lumpur is the second busiest airport, with capacity of 3.3m, an increase of 11% vs last year.
• Within the Top 10 airports in the region, Hanoi and Ho Chi Minh City grew at the fastest rate, up 20.7% and 16.3% respectively vs last year.
• Within the Top 10, Makassar saw the largest drop in capacity, declining by 21.9% vs September 2024.

Where do International Flights From SOUTHEAST Asia Go?

• SE Asia capacity to the rest of Asia Pacific remains the largest international market with 15.7m seats and increased by 3.9% (586k more seats) vs last year.
• International capacity within SE Asia is the next largest market with 6.4m seats, and grew at a slightly slower rate of 3.5% (214k more seats) vs September 2024.
• Capacity to Europe is growing at the fastest rate this month increasing by 11.8% compared to last year, to 1.5m seats.
•