Carnival Cruises 2025 Dates 2025. All availability for carnival cruise line cruises with iglucruise. The final alaskan cruise for the season will depart on september 9, 2025.

Discover our selection of carnival cruises for 2025 and benefit from our early booking discounts to make your dream cruise an even more unforgettable experience. Carnival spirit will sail 21 seven night cruises from seattle to alaska starting on april 14, 2025.