Carnival Sunshine 15-Night Transatlantic Cruise to Dover £1,341 + $50 Credit

15-night Transatlantic cruise on Carnival Sunshine for 2 adults in an inside cabin, sailing 15 May 2027, priced at £1,341.46 with $50 onboard credit included. Book via Seascanner and apply the voucher code at checkout if provided to secure the deal price. Include a clear screenshot of the booking page or checkout showing the final price and onboard credit for verification