Bengaluru: Budget carrier AirAsia India on Monday announced 50 percent discount in fare on return flights till May 18, for travel from August 1 to November 30, to mark the airline flying 2.5 million passengers since launching its operations in June 2014. "Seats have to be booked by May 18 on our website (airasia.com) and our mobile app or mobile site (m.airasia.com)," the company said in a statement here. The offer is available on the seven of the airline's destinations across the country and seven overseas destinations in Southeast Asia and Australia and New Zealand. "We have flown 2.5 million guests till date. We will work to serve our guests better and enable many first-time flyers to experience air travel at affordable fares," the airline's chief executive designate Amar Abrol in a statement. With a fleet of six aircraft, AirAsia India connects 10 Indian destinations - Bengaluru, New Delhi, Panaji, Pune, Kochi, Vizag, Chandigarh, Jaipur, Guwahati and Imphal.