Indian carrier IndiGo is offering a discount of up to 15 percent on domestic and international flight bookings. A 10 percent discount can be availed on one-way tickets while a 15 percent discount is available for round trips. The last date to avail this offer is 30 August 2018. The sale is applicable for travel between 8 September and 8 October 2018. Use the promo code 'SEP15P' while booking tickets on IndiGo's official website or mobile app.

The offer is subject to availability of seats and the discount under the scheme is not applicable to the airport charges and the government taxes. The tickets need to be booked nearly fifteen days before the departure date. Additionally, the offer can be availed only on non-stop flights in different sectors across the airline's domestic and international network.

The airline has said that the given offer can't be clubbed along with other offers, scheme or promotional offer and is non-transferable, non-exchangeable and non-encashable. Note that in case of cancelled booking the promo code or offer can't be revalidated for making a new booking in its place.