"Hence, LCCs cannot dictate what should be our definition of a
budget carrier. Though such carriers cut costs on in-flight meals,
operate newer, fuel efficient aircraft and offer lower free baggage
allowance, they still have other expenses on crew and
navigation."
Source: Saleh Haroon, Director of the Air
Transport and Airport Affairs arm of Qatar's Civil Aviation
Authority, on the CAA's cap on the differential in airfares between
mainline carriers and low-cost operators flying from Doha
International Airport.