Wizz Air Cuts Emissions Per Passenger, But Climate Impact Is Rising

Wizz Air’s path to net zero is paved with low-emissions aircraft and ambitious targets. But without breakthroughs in sustainable fuel and supportive regulation, the airline and the wider industry may fall short of climate goals.

Wizz Air, a Hungarian low-cost carrier, has cut emissions per passenger to some of the lowest levels in the industry. But as the airline rapidly expands, its overall climate impact is rising, with total emissions more than doubling since 2019.

In its latest sustainability report for the year ending March 2025, the low-cost airline said its carbon intensity - a measure of emissions per passenger - fell to 52.2 grams of CO₂ per passenger-kilometer.

That's lower than many of Wizz's rivals and the airline credits the low level to investment in part to more