SOUTHEAST ASIA AVIATION MARKET DATA

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

In November 2025 the top stats from the Southeast Asian aviation market are:

• Busiest Airport: Singapore Changi (SIN)
• Biggest Airline: AirAsia
• Country with Most Airline Capacity: Indonesia
• Top Destination Region: Asia Pacific
• And discover 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 SE Asia market grew by 4.3% compared to November 2024 to 50.4 million seats.
• International capacity increased by 5.8%, whilst domestic capacity has increased by 2.5%.
• International capacity represents 56% share of the market, and domestic capacity represents the remaining 44% share of the market.

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

• Indonesia remains the largest SE Asia market with 10.3m seats, despite reducing capacity again this month by 2.8% compared to November 2024.
• Thailand is the next largest market in SE Asia, with 7.7m seats, a 3.8% increase in capacity vs last year.
• The markets showing the largest growth in seats are Malaysia and Viet Nam again this month, with growth of 753k and 641k additional seats respectively compared with last year.
• Capacity in Myanmar declined by 19.4% vs November 2024, a reduction of 60k seats.
  
• 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 8.3m seats, despite a 4.6% reduction in capacity - 395k fewer seats.
• Malaysia increased domestic capacity most by volume, with growth of 444k seats vs last year, followed by Vietnam with 365k and Thailand with 240k additional seats compared to November 2024.
• Domestic capacity in Myanmar has reduced further by 44.4% to 107k seats.
  

Which is the Busiest Airport in SouthEast Asia?

• Singapore Changi remains the largest airport in the region, with 3.5m seats. This represents a 0.4% reduction in capacity compared to last year.
• Kuala Lumpur is the second busiest airports, with capacity of 3.4m, an increase of 17.6% vs last year.
• Within the Top 10 airports in the region, Kuala Lumpur and Hanoi grew at the fastest rate, up 17.6% and 14% respectively vs last year. 
• Denpasar-Bali declined most within the Top 10, declining by 3.1% vs November 2024.

Where do International Flights From SOUTHEAST Asia Go?

• SE Asia capacity to the rest of Asia Pacific remains the largest international market with 16.9m seats and increased by 5.6% (890k more seats) vs last year.
• International capacity within SE Asia, the next largest market with 6.8m seats, grew by 4.8% (312k more seats) vs November 2024.
• Capacity to North America and Europe continues at the fastest rate this month increasing by 14.1% and 10.3% respectively.
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