SOUTH EAST ASIA AVIATION MARKET DATA
LATEST SE ASIA FLIGHT DATA INSIGHTS AND ANALYSIS
DISCOVER THE BUSIEST AIRPORTS, AIRLINES AND FLIGHT ROUTES IN SOUTH EAST ASIA THIS MONTH | MAY 2025
How much airline capacity is there in Latin America? Find out with new data each month, detailing:
- Which is the busiest airport in the region?
- What is the biggest airline in south East Asia?
- Which South East Asian country has the most airline capacity?
- Which regions do most travellers from South East Asia visit?
- And more.
Find below flight data and analysis focused on the South East Asia aviation market, with data powered by OAG's Schedules Analyser. The data is updated monthly. Seats are calculated as departing seats (one-way).
AIRLINE CAPACITY IN SOUTH EAST ASIA | MAY 2025
How Much Airline Capacity is There in South East Asia This Month?
- Overall capacity in SE Asia market grew by 6.2% this month compared to May 2024 to 39.8 million seats.
- International capacity continues to grow at a faster rate than domestic capacity, with increases of 7.2% and 5.4% respectively.
- Domestic capacity continues to represent 57% share of the market, and international capacity represent the remaining 43% market share.
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SOUTH EAST ASIAN COUNTRIES' AIRLINE CAPACITY | MAY 2025
Which sOUTH eAST aSIAN Country Has The Most Airline Capacity (Domestic + International)?
- Indonesia remains the largest SE Asia market with 10.7m seats, despite a further reduction in capacity of 3.6% compared to May 2024.
- Thailand is the next largest market in SE Asia, with 7.2m seats, adding 320,500 seats year on year, a 4.7% increase in capacity.
- The market showing the largest growth in seats is Viet Nam again this month, with growth of 971,700 seats on last year, which represents a 18.4% increase.
- Timor-leste is growing at the fastest rate this month, up 25.3% on last May, remaining however one of the smallest country markets.
- For more insight in to airline capacity, get in touch regarding our flight seat data here.
Which sOUTH eAST aSIAN Country Has The Most Domestic Airline Capacity?
- Indonesia is the largest domestic market in SE Asia, with 8.6m seats. This is over twice that of the next largest market, Viet Nam with 3.9m seats.
- Viet Nam increased domestic capacity most by volume with growth of 564,900 seats vs last year, followed by Malaysia with 490,000 and the Philippines with growth of 471,800 additional seats this month compared to last year.
- The small markets of Myanmar and Cambodia declined by 24.1% and 26.4% respectively.
Top Ten Largest South East Asian Airports by Departing Seats | May 2025
Which is the Busiest Airport in South East Asia?
- Singapore Changi remains the largest airport in the region, with 3.6m seats. This represents an increase of 5.2% in capacity compared to last year.
- Kuala Lumpur, Jakarta and Bangkok Suvarnabhumi are a close second, third and fourth busiest airports, with capacity of 3.2m and 3.1m seats each respectively.
- Within the Top 10 airports in the region, Vietnamese airports Hanoi and Ho Chi Minh City are showing the fastest rate of growth, up 15.8% and 13.9% respectively vs last year.
- The Indonesian airports Makassar and Jakarta reduced capacity compared with May 2024 by 5.2% and 4.9% respectively.
Airline Capacity By Region | May 2025
Where do International Flights From SE Asia Go?
- SE Asia capacity to the rest of Asia Pacific is the largest international market with 8.1m seats and increased by 6.1% - 461,900 seats vs last year.
- International capacity within SE Asia is the next largest market with 6.7m seats and grew by 521,700 seats (8.4%) vs May 2024.
- Capacity to Europe shows the fastest rate of growth this month increasing by 15% compared to last year to 760,200 seats.
TOP 10 LARGEST SOUTH EAST ASIAN AIRLINES BY SEATS | MAY 2025
- AirAsia continues to be the regional's largest carrier with 2.9m seats this month, with Lion Air the second largest carrier with 2.7m seats.
- Within the Top 10 airlines, Vietjet and Cebu Pacific Air are increasing at the fastest rate compared to last year, with growth in capacity of 28.3% and 25%, which equates to 577,500 and 459,300 more seats than May 2024.
- Within the Top 10, Lion Air was the only carrier to reduce capacity, declining by 10% vs May 2024 and continuing the reduction from last month.
- The region has scheduled traffic operated by 178 airlines at 292 airports.
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