Southeast Asia aviation market briefing

Latest Southeast Asia flight data insights and analysis

November 2026

Access data instantly
50.9m seats
▲ +1.3% YoY vs 50.2m in
Top airline
AirAsia ▼ −7.9% YoY
2.60m
Top airport
Singapore Changi · SIN ▲ +3.1% YoY
3.58m
Top country
Indonesia ▲ +1.0% YoY
10.3m

How much airline capacity does Southeast Asia have in 2026?

Overall capacity in Southeast Asia increased by 1.3% vs last year to 50.9 million seats.

Domestic capacity increased by 0.5% and represents 43% of the market. International capacity made a 1.9% increase to 28.9m seats and represents 57% market share.

Domestic & international · seats (millions)

Monthly scheduled capacity: November 2025 vs November 2026

Domestic 2026 Domestic 2025 International 2026 International 2025
Source: OAG · November 2026 scheduled capacity

SE Asia capacity to the rest of Asia Pacific remains the largest international market with 17.1m seats, an increase of 1.5% (250,100 additional seats) vs last year.

Capacity within the region increased by 0.6% vs November 25 to 6.7m seats.

Capacity to Europe grew at the fastest rate increasing by 10.3% to 2m seats.

How are low cost carriers performing in Southeast Asia?

Whilst mainline carriers grew capacity by 6.8% in November 25, LCCs reduced capacity by 5%. As highlighted in the recent OAG blog on the latest capacity trends in the region, Southeast Asia’s LCCs are fragile, with aircraft shortages, maintenance issues and operating margins too thin to absorb the unpredictable fuel price increases.

Market share & year-on-year change

Mainline vs low-cost

Source: OAG · November 2026 scheduled capacity

Which Southeast Asian country has the most airline seats?

Indonesia remains the largest Southeast Asia market with 10.3m seats, an increase of 1% vs November 25.

Thailand is the second largest market in Southeast Asia with 7.7m seats, an increase of 1.2% vs last year (91,800 additional seats). Viet Nam is the third largest market, growing by 6.1% to 6.3m seats.

Capacity reduced in Malaysia, Cambodia and Laos with 250,500, 62,200 and 37,000 fewer seats respectively.

Departing seats · November 2026

Top 10 countries by seat capacity

Indonesia
10.3m
+1.0%
Thailand
7.7m
+1.2%
Viet Nam
6.3m
+6.1%
Malaysia
5.5m
−4.4%
Philippines
5.3m
+1.8%
Singapore
3.6m
+3.1%
Cambodia
0.4m
−13.0%
Myanmar
0.3m
+6.1%
Lao PDR
0.2m
−13.9%
Brunei
0.1m
−2.8%
Positive YoYNegative YoYCell size = seats
Source: OAG · November 2026 scheduled capacity

Capacity reduced in Malaysia, Cambodia and Laos with 250,500, 62,200 and 37,000 fewer seats respectively.

Which Southeast Asian country has the most domestic flights?

Indonesia is the largest domestic market in the region, with 8.3m seats in November 26, an increase of 0.8% in capacity (68,300 additional seats).

Domestic capacity increased most in Viet Nam by 183,400 seats in November 26 to 3.7m seats. Followed by Thailand where it increased by 156,800 seats to 3.6m seats.

Volume wise domestic capacity in Malaysia declined most, by 343,900 seats in November 26 to 2.5m seats.

Domestic departing seats · November 2026

Top domestic markets by seat capacity

Positive YoY Negative YoY
Source: OAG · November 2026 scheduled capacity

Which is the biggest airline in Southeast Asia?

AirAsia is the busiest airline in the region with 2.6m seats, despite a reduction of 7.9% (224,110 fewer seats) vs last year.

Departing seats · November 2026

Seat capacity by airline

Source: OAG · November 2026 scheduled capacity

Top 10 airlines by seats · November 2026 · Search-readable table

No IATA Airline Seats (Nov 2026) YoY
1.AKAirAsia2.60m−7.9%
2.5JCebu Pacific Air2.38m+9.3%
3.VNVietnam Airlines2.37m+10.1%
4.JTLion Air2.02m−14.5%
5.FDThai AirAsia1.82m−11.5%
6.SQSingapore Airlines1.81m+2.4%
7.VJVietjet1.77m−18.1%
8.PRPhilippine Airlines1.67m+10.4%
9.QGCitilink1.43m+33.6%
10.IDBatik Air1.35m+3.3%

Cebu Pacific and Vietnam Airlines are a close second and third busiest airline with 2.38m seats and 2.37m seats respectively, increasing by 9.3% (202,000 additional seats) and 10.1% (217,800 additional seats) vs November 25.

Vietjet, Lion Air and Thai AirAsia reduced capacity by 392,200, 342,800 and 236,700 seats respectively.

Citilink increased capacity at the fastest rate of 33.6% vs last year (359,800 additional seats) to 1.4m seats in November 26.

The region has scheduled traffic operated by 191 airlines at 297 airports.

What is the busiest airport in Southeast Asia?

Singapore Changi remains the largest airport in the region, with 3.6m seats. This represents a 3.1% increase in capacity compared to last year. Bangkok, Thailand, is second busiest airport, with capacity of 3.4m an increase of 7% vs November 25.

Capacity at Bangkok Don Mueang, Kuala Lumpur and Denpasar reduced by 12.1%, 3.7% and 2%, with 210,200, 126,500 and 24,000 fewer seats respectively.

Capacity increased at the fastest rate of 9.3% (162,200 additional seats) vs last year in Hanoi, Vietnam.

No Code Airport Seats YoY
1.SINSingapore Changi3.58m+3.1%
2.BKKBangkok Suvarnabhumi3.44m+7.0%
3.KULKuala Lumpur3.26m−3.7%
4.CGKJakarta3.17m−0.4%
5.MNLManila2.83m+5.9%
6.SGNHo Chi Minh City2.21m+1.0%
7.HANHanoi1.90m+9.3%
8.DMKBangkok Don Mueang1.53m−12.1%
9.DPSDenpasar-Bali1.20m−2.0%
10.HKTPhuket0.96m+4.3%
YoY change vs seats
Airport capacity and year-on-year growth
0.96m → 3.58m seats + YoY − YoY

Source: OAG · hover chart or click a table row to cross-highlight

Where do Southeast Asian airlines fly internationally?

SE Asia capacity to the rest of Asia Pacific remains the largest international market with 17.1m seats, an increase of 1.5% (250,100 additional seats) vs last year.

Capacity within the region increased by 0.6% vs November 25 to 6.7m seats.

Capacity to Europe grew at the fastest rate increasing by 10.3% to 2m seats.

International departing seats · November 2026

Capacity by destination region

28.9m
int'l seats
Source: OAG · November 2026 scheduled capacity

Southeast Asia aviation: frequently asked questions

AirAsia is the largest airline in Southeast Asia in November 2026 with 2.60 million seats, despite a reduction of 7.9% vs November 2025. Cebu Pacific Air is second with 2.38 million seats (+9.3%) and Vietnam Airlines third with 2.37 million seats (+10.1%). Source: OAG scheduled capacity data, November 2026.
Singapore Changi Airport (SIN) is the busiest airport in Southeast Asia in November 2026 with 3.58 million seats, up 3.1% vs November 2025. Bangkok Suvarnabhumi (BKK) is second with 3.44 million seats (+7.0%) and Kuala Lumpur (KUL) third with 3.26 million seats (−3.7%). Hanoi grew fastest at +9.3%. Source: OAG scheduled capacity data, November 2026.
Indonesia is the largest capacity market in Southeast Asia in November 2026 with 10.35 million seats, up 1.0% vs November 2025. Thailand is second with 7.74 million seats (+1.2%) and Viet Nam third with 6.33 million seats (+6.1%) — the fastest growth in the top 5. Malaysia contracted (−4.4%). Source: OAG scheduled capacity data, November 2026.
Total Southeast Asian seat capacity in November 2026 is 50.9 million seats, up 1.3% vs November 2025. Domestic capacity grew 0.5% to 22.0 million seats and international capacity grew 1.9% to 28.9 million seats. Low cost carriers contracted 5.0% while mainline carriers grew 6.8%, with LCCs holding 44% market share. Source: OAG scheduled capacity data, November 2026.
Total Southeast Asian capacity grew +1.3% in November 2026. Vietjet shed 392,200 seats (−18.1%), Lion Air 342,800 (−14.5%), Thai AirAsia 236,700 (−11.5%) and AirAsia 224,110 (−7.9%). Citilink was the fastest grower in the top 10 at +33.6% (359,800 additional seats), while Vietnam Airlines grew +10.1% (217,800 additional seats). Capacity within Southeast Asia grew 0.6% vs November 2025. Source: OAG scheduled capacity data, November 2026.


Download this month's SE Asia data

More resources from OAG

Airline Capacity By Region | march 2026

Where do International Flights From SOUTHEAST Asia Go?

  • Capacity to the rest of Asia Pacific remains the largest international market with 18.5m seats, an increase of 9.9% (1.7m more seats) vs last year.
  • International capacity within SE Asia, the next largest market with 7.2m seats, grew by 6.9% (460k more seats) vs Mar 2025.
  • Capacity to North America continues at the fastest rate this month, increasing by 13.8%.

  • Busiest Routes Right Now > the world's busiest airline routes | View Now
China Dash

China Aviation market Data

The busiest airports, largest airlines, biggest cities for airline capacity and more

View Data
Busiest Airports

Busiest Airports

Data and analysis on the busiest global, international and regional airports, updated monthly.

View Data
US Square

US Aviation Market Data

This month's leading airlines, airports, states and more from the US market.

View Data
Infographics

Infographics

View the latest easy to digest aviation data infographics.

View Now
Webinars

Webinars

Catch up on our latest live webinar with industry experts.

Watch Now
Aviation Market Analysis

Aviation Market Analysis

Analysis of the latest data and developments in the aviation world.

Read Now