Italian cruise line Costa Cruises, part of the Carnival Cooperation, offers cruises in many seas on the Northern Hemisphere. Their ships cruise on popular regions like the Mediterranean, the Caribbean Sea or the North Sea. You can currently get an attractive discount on their website: The company offers €100/$100/£100 off balcony cabins for select cruises departing before March 31, 2025.
A different code is required, depending on the currency your cruise is billed in:
You can find all eligible cruises for the €100 discount here.
You can find all eligible cruises for the £100 discount here.
All eligible cruises for the $100 discount are listed he here.
Some sites, like the French and Italian language versions, won’t accept the code. We recommend using English country versions like costacruises.eu to take advantage of the discount.
The code discounts only balcony cabins. You can shave up to 10% off your total, like this 8-night Mediterranean cruise for £938 for two people:

Costa constantly swaps between prices per person and prices per cabin on its website. It also has a knack for adding fees during the booking process. The discount is applied to the price per cabin, without taxes & surcharges. The code is exclusive to Costa’s website, you cannot use it to discount Costa cruises booked via third-party-providers.
Redeem Costa Cruises Promo Voucher
You can add your discount code during the second-to-last step of the booking process. Enter your code in the box labeled Insert promo voucher.

If you have entered a valid code, the price is reduced instantly:

Cover Picture: © Costa Croisières S.p.A.