Book by June 28 for deals on cruises departing through May 2025SEATTLE, June 4, 2024 /PRNewswire/ -- Travelers looking to plan a summer getaway or book a future vacation next year can take advantage of Holland America Line's "Summer Savings Event" launching Tuesday, June 4, 2024. The special promotion features up to 40% off cruise-only fares, free third and fourth guests when traveling in the same stateroom, onboard credits of up to $100 per stateroom and 50% reduced deposits. (PRNewsfoto/Holland America ...