Offer DetailsMakeMyTrip international flight offer: A user can grab 5% Cashback on international flight booking via HDFC Debit Card. There is No minimum transaction amount required to get this offer. A user must use e-coupon MMTBIG5 on the payment page to get this offer. Customer will receive 5% Cashback to Net Banking account on booking paid through HDFC Bank Debit card only on Thursday, Friday, Saturday, Sunday. Cashback will be posted within 75 Days of the closure of calendar month of transaction. Hurry! Limiter period offers so book your flight now and get the benefit of this deal.