Varadi said business cabins should be “banned” on environmental grounds on journeys of less than five hours.
“These passengers account for twice the carbon footprint of an economy passenger,” said Varadi.
“The industry is guilty of preserving an inefficient and archaic model,” he added.
Wizz doesn’t offer business class, and has committed to expand its fleet with more fuel-efficient aircraft and operate them “with high seat count and high load factors”.