Answer
A voucher code usually requires you to type or paste a code at checkout. A deal can be a sale price, automatic discount, free-delivery promotion or another offer that does not require a code.
Both can have exclusions and expiry dates. Check the retailer’s promotion details before purchasing.
What to check before checkout
Read the retailer’s current promotion terms, confirm that the code applies to the items in your basket, and make sure the expected saving appears before you pay.