The Flipkart Big Billion Days Sale 2025 is scheduled to start on September 15, 2025, and will run until September 30, 2025. Early access to the sale begins on September 14, 2025, for Flipkart Plus and VIP (Flipkart Black) members, allowing them to shop deals a day in advance. The sale features discounts across a wide range of products including electronics, fashion, home appliances, and more, with special offers such as a Rs. 100 off fashion sale pass available for Rs. 1 during the event period.