The Flipkart Big Billion Days 2025 sale ends on October 2, 2025, at 11:59 PM. The sale started on September 23, 2025, for all users, with early access starting on September 22 for Flipkart Plus and Black members. The sale runs for a total of 11 days. After the Big Billion Days sale ends, Flipkart will have subsequent sales including the Dussehra Sale starting on October 3, followed by Big Bachat Days, Big Shopping Utsav Sale, and Big Diwali Sale throughout October 2025.