Here's how to use Discount Codes when shopping in Monsoon: add new products to the Monsoon shopping cart and click the checkout. Log in or create a new account to Monsoon by entering details, then click Continue to pay. Below the listed items, you will see a box that says Add Coupon, choose the Monsoon Discount Codes you are going to use and then the website will automatically return to the checkout page. Now you will see your actual total payment at monsoon.co.uk.