Air India Express world's second-cheapest airline: Report
Air India Express has been named the world's second-cheapest airline with an average cost of $0.08 per km, according to a study by travel planning website Rome2rio. IndiGo was placed at the fifth position with an average cost of $0.10 per km. With a price per km of $0.07, Malaysia-based AirAsia X grabbed the first position.