Hotels.com Discount Code - 30% Off in October 2022 - VoucherCodes Select a hotel that matches the terms and conditions of the code to ensure your booking is eligible. Once on the checkout page, there will be a price summary located on the right-hand side. Click on the ‘Apply a coupon’ text under the total price to display the coupon code box. Enter your code in the coupon box and click ‘Apply’.