https://paytm.com/flights Coupon Code: FLY500 Terms & Conditions: Flat ₹500 Cashback on flight bookings.Minimum trasaction value is ₹3000.Offer is valid six times per user. Cashback will be credited within 24 hours of the transaction. The user needs to have verified mobile number on Paytm to get cash back. Cancelled orders will not be eligible.Offer is valid only on domestic flight bookings.Offer is valid till 30th September.