Norwegian Cruise Line via Dunhill Travel offers a Norwegian Cruise Line 7-Night Alaska Cruise for two, with prices starting from $1,198. That's the lowest price we could find for a comparable cruise in September by $300. Book this travel deal by September 14. Buy Now Tips It's the first offer on the landing page. This roundtrip cruise aboard the Norwegian Joy departs from Seattle, WA, on September 28. Some restrictions may apply; fees, government taxes, and fuel supplements are additional.