Book IndiGo Airlines flight ticket & save Rs. 200 on Domestic Flight Booking by paying through Airtel Payment Bank. No Coupon code is required. Just for domestic flights as well as on international flights. IndiGo is a low-cost carrier set up in 2006 by a group of people from India and abroad. IndiGo is an Indian budget airline company headquartered at Gurgaon, India. It is the fastest growing and also the largest airline in India with a market share of 37.8% as of April 2015