Southeast Asia is one of the rapidly growing aviation markets in the world, characterized by its growing middle class, booming tourism sector, and dynamic economies. Over the years, Southeast Asian airlines have played an indispensable role in connecting people, fostering trade, and boosting tourism.
At the heart of this ecosystem are carriers that cater to the booming demands from budget-conscious travelers flying on low-cost airlines to luxury seekers enjoying world-class service on premium carriers.
This article delves into the top 10 Southeast Asian airlines ranked by one-way seat capacity in January 2025.
Photo: Melvin Loi | Flickr1. AirAsia (AK) – 2,912,458 Seats
AirAsia is the largest airline in Southeast Asia in terms of seat capacity, commanding a 7% share of the regional market. Known for its low-cost business model, AirAsia has revolutionized air travel in the region, making it accessible to millions. Its expansive network connects key cities and smaller destinations across Southeast Asia, with a strong focus on affordability and efficiency.
The budget carrier’s extensive fleet of Airbus A320s and A321s enables it to maintain a high-frequency schedule, catering to both leisure and business travelers.
2. Lion Air (JT) – 2,833,937 Seats
Close on AirAsia’s heels is Lion Air, also holding a 7% market share with 2.8 million seats in January. Based in Indonesia, Lion Air is a prominent airline in the region’s aviation sector. The airline primarily operates domestic routes within Indonesia, the world’s largest archipelago, but also has an expanding international presence.
Lion Air’s low-cost model and aggressive fleet expansion have helped it secure a dominant position, particularly in the Indonesian market.
Photo: Jeffry Surianto | Pexels3. Cebu Pacific Air (5J) – 2,445,185 Seats
The Philippines’ Cebu Pacific Air ranks third with over 2.4 million seats offered in January this year. Renowned for its budget-friendly fares and innovative marketing campaigns, Cebu Pacific has become a household name in the Philippines.
Cebu Pacific Air operates a mix of domestic and international routes, connecting the Philippines to major hubs across Asia and the Middle East. Its fleet of Airbus A320 and A321 aircraft supports its extensive network.
4. Vietnam Airlines (VN) – 2,442,974 Seats
Vietnam Airlines is a full-service carrier and the national airline of Vietnam, offering 2.4 million seats. Known for its high-quality service and modern fleet, including Boeing 787 Dreamliners and Airbus A350s, Vietnam Airlines caters to both domestic and international markets.
The Vietnamese flag carrier continues to play a crucial role in connecting Vietnam to global destinations, while also supporting the country’s growing tourism industry.
Photo: VietJet5. Vietjet (VJ) – 2,184,512 Seats
Ranking fifth is Vietnam’s leading low-cost carrier Vietjet, with a seating capacity exceeding 2.1 million seats. The airline has gained popularity for its affordable fares and extensive domestic network.
Vietjet also operates international routes to countries such as Thailand, South Korea, and Japan. Its youthful branding and dynamic marketing strategies have made it one of the fastest-growing airlines in the region.
6. Thai AirAsia (FD) – 1,983,860 Seats
As a subsidiary of the AirAsia Group, Thai AirAsia is a leading budget carrier in Thailand’s aviation market. With nearly 2 million seats, the airline serves a mix of domestic and international destinations. Its low-cost model and efficient operations have made it a preferred choice for travelers seeking budget-friendly options.
Photo: Robin HARDY7. Singapore Airlines (SQ) – 1,792,511 Seats
Singapore Airlines stands out as the premium carrier with the highest seat capacity in the region, with a seating capacity of over 1.7 million. Renowned for its world-class service, Singapore Airlines consistently ranks among the best airlines globally.
The Changi-based carrier operates an extensive international network, connecting Southeast Asia to Europe, the Americas, and beyond. Its modern fleet, including Airbus A350s and Boeing 787s, further highlights its commitment to comfort and efficiency.
8. Philippine Airlines (PR) – 1,549,524 Seats
As the Philippines’ flag carrier, Philippine Airlines (PAL) caters to the majority of international travelers traveling to and from the Philippines. With a seating capacity of over 1.5 million, PAL offers both domestic and international flights.
Known for its full-service offerings, the airline serves destinations across Asia, North America, and the Middle East, operating a mix of narrow-body and wide-body aircraft.
9. Super Air Jet (IU) – 1,528,380 Seats
Super Air Jet is one of the newest entrants in the Southeast Asian aviation market but has already made a remarkable impact. Based in Indonesia, the airline focuses on the low-cost segment, targeting millennials and Gen Z travelers with its tech-savvy approach and affordable fares.
Despite being a relatively young airline, its impressive seat capacity reflects its rapid growth and strong market demand.
Photo: Clément Alloing10. Malaysia Airlines (MH) – 1,440,792 Seats
Rounding out the top 10 is Malaysia Airlines, with a seating capacity of over 1.4 million in January 2025. The Malaysian flag carrier operates numerous domestic and international routes.
Known for its warm hospitality and premium services, Malaysia Airlines has faced challenges in recent years but remains a noteworthy airline in the region’s aviation industry.
Conclusion: Top 10 Southeast Asian Airlines
The top 10 airlines in Southeast Asia reflect the dynamic nature of the region’s aviation market. From low-cost carriers like AirAsia and Lion Air to premium global carriers like Singapore Airlines, these airlines cater to a diverse range of passengers.
Moreover, the rapid recovery of tourism post-pandemic is boosting air travel demand, with leisure destinations across Thailand, Vietnam, and Indonesia drawing increasing numbers of visitors.
Their collective efforts not only connect the region but also drive economic growth and tourism. As competition intensifies and travel demand evolves, these carriers will continue to innovate and adapt, shaping the future of aviation in Southeast Asia.
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