Vietjet leads Southeast Asia in Emissions Efficiency on Regional Routes

Mumbai, April 22, 2026 – Vietjet has been recognized as the most emissions-efficient airline for intra-Southeast Asia operations, according to the 2025 Flight Emissions Review by Cirium, a leading global aviation data and analytics provider. This achievement reinforces Vietjet’s position among the region’s most efficient and sustainable airlines.

The airline recorded 64.5 grams of CO₂ per Available Seat Kilometre (CO₂/ASK), making it the top performer in the Southeast Asia’s intra-regional ranking by Cirium. The ranking is based on Cirium’s EmeraldSky methodology, which evaluates how efficiently airlines operate relative to passenger capacity. Achieving the lowest emissions intensity in a region dominated by shorter routes—where fuel optimisation is more complex—highlights Vietjet’s strong operational efficiency.

This recognition additionally builds on Vietjet’s growing global sustainability credentials, including being named among the Top 7 global airlines for sustainability in 2025 by AirlineRatings. The airline has also received ESG (Environmental, Social, and Governance) recognition in markets such as Taiwan.

A key driver behind this performance is Vietjet’s modern, fuel-efficient fleet, primarily comprising Airbus A320 and A321 aircraft, including the “NEO” variants that deliver up to 20% fuel savings. The airline also leverages advanced technologies such as SkyBreathe and fuel optimisation initiatives to enhance operational efficiency.

For Indian travellers increasingly seeking affordable yet sustainable international travel options, this milestone positions Vietjet as a compelling choice for routes connecting India to popular Southeast Asian destinations and beyond.The airline currently connects Delhi, Mumbai, Ahmedabad, Hyderabad, and Bengaluru to Hanoi and Ho Chi Minh City, two of Vietnam’s top destinations


About Vietjet

The new-age carrier Vietjet has not only revolutionized the aviation industry in Vietnam but also been a pioneering airline across the region and around the world. The airline currently operates 135 aircraft and has nearly 600 additional aircraft on order, including both wide-body and narrow-body aircraft. With a focus on cost management ability, effective operations, and performance, applying the latest technology to all activities and leading the trend, Vietjet offers flying opportunities with cost-saving and flexible fares as well as diversified services to meet customers' demands.

Vietjet is a fully-fledged member of International Air Transport Association (IATA) with the IATA Operational Safety Audit (IOSA) certificate. As Vietnam's largest private carrier, the airline has been awarded the highest ranking for safety with 7 stars by the world's only safety and product rating website airlineratings.com and listed as one of the world's 50 best airlines for healthy financing and operations by Airfinance Journal in many consecutive years. The airline has also been named as Best Low-Cost Carrier by renowned organizations such as Skytrax, CAPA, Airline Ratings, and many others.

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