The Best Alaska Cruise Itineraries for Summer 2025

Is an Alaska cruise on your wish list for summer 2025? Whether you're part of a couple, family, or group of friends, or traveling solo, exploring the extraordinary wildlife and scenery of the 49th state is a must-do for anyone who loves nature. And with cruise lines offering Alaska itineraries that range from seven nights to more than three weeks, there's a ship and a cruise fare to fit every travel style and budget. There are two main Alaska cruise routes, the popular Inside Passage (roundtrip from Seattle, Vancouver, or San Francisco) and the one-way Glacier Route (between Seattle or Vancouver and Seward or Whittier). Here's a look at some of our favorite itineraries for a summer 2025 cruise in Alaska.