Jet2 recognised among Europe’s most fuel‑efficient airlines in independent global study

Jet2 has been recognised as one of Europe’s most fuel‑efficient airlines in a major independent global aviation emissions study, published by aviation data specialist Cirium.

In Cirium’s 2025 Flight Emissions Review, which assessed the emissions performance of the world’s 100 largest passenger airlines, Jet2 ranked second in Europe for carbon efficiency, measured as CO₂ emissions per Available Seat Kilometre (ASK), a standard industry metric that reflects emissionsrelativeto passenger capacity.