HDFC SmartBuy is an online platform offered by HDFC Bank that provides customers with an opportunity to earn reward points and discounts on various purchases made through the platform. In 2023, the platform will continue to offer a wide range of products and services, including flight bookings. To use HDFC SmartBuy for flight bookings, customers can simply log in to the platform using their HDFC Bank net banking credentials and select the 'Flight' option. They will be able to browse through a list of available flights and select the one that suits their travel needs. When making a flight booking on HDFC SmartBuy, customers can earn reward points based on the amount of the booking. These reward points can later be redeemed for discounts on future purchases made through the platform. To earn maximum reward points, customers can also make use of HDFC Bank credit cards when making purchases on HDFC SmartBuy. This way, they can earn reward points not only on the booking amount but also on the credit card spend. In summary, using HDFC SmartBuy for flight bookings in 2023 is simple and rewarding. Customers can earn reward points and discounts on flight bookings by using the platform and can also earn additional rewards by using HDFC Bank credit cards.