Whether you can cancel a hotel the day before departure in 2026 depends entirely on the "Cancellation Policy" of the specific rate you booked. If you booked a "Flexible" or "Refundable" rate, you can typically cancel without penalty up to 24, 48, or 72 hours before your scheduled arrival. However, in 2026, many hotels have moved their "free" window to 48 hours, making a "day-before" cancellation (within 24 hours) subject to a penalty equal to the first night's room and tax. If you booked a "Non-Refundable" or "Prepaid" rate, you generally cannot cancel at all without losing the full amount of your stay. If you find yourself needing to cancel a non-refundable room at the last minute, your best strategy is to call the hotel directly and ask for a "one-time courtesy" move of the date to a future month, or use a third-party marketplace like SpareRoom to sell your reservation to someone else. Always check your confirmation email for the exact "Cancellation Deadline," as missing it by even one hour can trigger an automatic charge on your credit card.