Avail Upto Rs 500 cashback on bookings with HDFC Debit/Credit Cards and Net-banking. Offer is only applicable on online bookings. Cashback will be credited to the customer’s wallet. Users can get a maximum of 2 transactions during the offer period. Offer Valid for all transactions made on portal and Mobile app. Apply the above domestic flight coupons at the time of booking to get the discounts. Book now to grab the Hdfc domestic flight offers.