# Alaska Cruises: Inside Passage, Glaciers and Choosing a Ship URL: https://emptvl.vercel.app/cruises/alaska-cruises Publisher: Empyrean Travel (https://emptvl.vercel.app/) Last reviewed: 2026-10-19 Plan an Alaska cruise: Inside Passage vs. Gulf of Alaska routes, Glacier Bay, big ships vs. small expedition ships, the best months and which cabin to book. **Quick answer:** Alaska’s cruise season runs from about May to September. Most voyages sail the Inside Passage round trip from Seattle or Vancouver, or one-way between Vancouver and the Gulf of Alaska near Anchorage, calling at Juneau, Ketchikan and Skagway with a day of glacier viewing. Small expedition ships reach quieter inlets; big ships can add a Denali land tour. - Season: About May–September - Departure ports: Seattle, Vancouver, Seward, Whittier - Typical length: 7 nights; 10–14 with a land tour - Signature sights: Glacier Bay, Hubbard Glacier, Tracy Arm - Best for: Glaciers, wildlife, multigenerational groups ## When is the best time to cruise Alaska? June through August brings the longest days, the mildest temperatures and the busiest ports. July and August are prime for salmon runs, which draw bears to the streams, and humpback whales feed in the Inside Passage all summer. May and September are the value months. May is often drier, with snow still on the peaks; September brings fall color, more rain and fewer ships in port. Pack layers and rain gear whenever you go; see our cruise packing list. ## Should you choose a round-trip Inside Passage or a one-way Gulf of Alaska cruise? Round trips from Seattle or Vancouver are simplest: one airport, seven nights, and usually Juneau, Ketchikan, Skagway and a glacier day. Under US cabotage law, foreign-flagged ships sailing round trip from Seattle must call at a foreign port, which is why Victoria, British Columbia, often appears at the end. One-way voyages between Vancouver and Seward or Whittier, the ports for Anchorage, reach further north to Hubbard Glacier or College Fjord. You fly into one city and home from another, an open-jaw ticket, and you can add Denali by rail or motorcoach before or after. ## Big ship, small ship or expedition ship? Large ships offer stability, choice and value, and suit families and groups. Holland America Line and Princess Cruises have sailed Alaska for decades and run their own land tours to Denali. Expect to share Juneau or Skagway with several other ships on busy days. Small-ship and expedition operators such as Lindblad Expeditions and UnCruise Adventures carry fewer than about 100 guests, use kayaks and skiffs, and visit small towns and inlets the big ships can’t. Luxury lines including Seabourn, Silversea and Regent Seven Seas also sail Alaska. Our expedition cruising guide explains the difference. ## Which glaciers and ports will you see in Alaska? Most itineraries feature one major glacier day and three or four towns. Ask which glacier your sailing includes before you book, because it varies by ship and date. - Glacier Bay National Park: the National Park Service limits how many large ships may enter each day, and rangers come aboard to narrate. - Hubbard Glacier: one of North America’s largest tidewater glaciers, usually on Gulf of Alaska itineraries. - Tracy Arm and Endicott Arm: narrow, steep-walled fjords south of Juneau, best reached on smaller ships. - Juneau: whale watching and the Mendenhall Glacier. Ketchikan: totem poles and floatplanes over Misty Fjords. Skagway: the White Pass & Yukon Route Railway. Sitka: Tlingit and Russian history. ## Which cabin is best, and how far ahead should you book? A balcony earns its keep in Alaska: glacier mornings, whale sightings and long evening light are best enjoyed from your own private outdoor space. Scenic-cruising days put both sides of the ship on view, as captains usually turn the ship to give everyone a look. Book 9 to 12 months ahead for June to August, and earlier for suites, connecting cabins for families, and cruisetours with Denali lodges. Floatplane and bear-viewing excursions have small capacities, so reserve them early; see our shore excursion guide. ## Alaska itineraries to consider - **Classic Inside Passage** (7 nights · Seattle or Vancouver round trip): Juneau, Ketchikan, Skagway and a glacier day. The easiest choice for first-timers and family groups. - **Gulf of Alaska one-way** (7 nights · Vancouver to Seward or Whittier): Adds Hubbard Glacier or College Fjord and ends near Anchorage. Fly home from Alaska or continue north by land. - **Cruisetour with Denali** (10–14 nights · Cruise plus land): A one-way cruise paired with rail and lodge nights near Denali National Park. Book early, as lodges near the park are limited. - **Small-ship Inside Passage** (7–14 nights · Under about 100 guests): Kayaks, skiffs, hikes and wildlife-led days in quiet inlets. Ideal for active travelers who want nature over nightlife. — https://emptvl.vercel.app/cruises/expedition-cruising-explained - **Luxury Alaska** (7–12 nights · Small luxury ships): Suites with verandas, inclusive drinks and smaller ports. Best for couples who want comfort with their glaciers. — https://emptvl.vercel.app/cruises/luxury-cruise-lines-explained ## Frequently asked questions **Q: What is the best month for an Alaska cruise?** A: July is the best all-round month, with long days, mild weather, salmon runs and active wildlife, though it is also the busiest and most expensive. June is similar with slightly fewer crowds. May and September offer lower fares and quieter ports in exchange for cooler, sometimes wetter weather and a shorter list of available excursions. **Q: Do you need a passport for an Alaska cruise?** A: A passport is strongly recommended. As of 2026, US citizens on closed-loop cruises that begin and end at the same US port can generally sail with a birth certificate and government photo ID, but if you miss the ship or must fly home from Canada, you’ll need a passport. Vancouver departures require one. Check current rules with the State Department. **Q: Does every Alaska cruise go to Glacier Bay?** A: No. The National Park Service limits how many large ships may enter Glacier Bay each day, so only some sailings include it. Others substitute Hubbard Glacier, Tracy Arm or Endicott Arm, which are spectacular in their own right. If Glacier Bay matters to you, confirm it is on your specific sailing date before booking. **Q: Is an Alaska cruise good for families?** A: Very good. Large ships offer kids’ clubs, connecting cabins and easy logistics, and Alaska’s wildlife, glaciers and floatplane rides appeal across generations. Book connecting cabins or a family suite early, choose excursions with age-appropriate activity levels, and consider a small-ship sailing if your kids are older and love kayaking and hiking. ## Sources - [National Park Service: Glacier Bay](https://www.nps.gov/glba/index.htm) - [National Park Service: Kenai Fjords](https://www.nps.gov/kefj/index.htm) - [Travel Alaska](https://www.travelalaska.com) - [US State Department: Travel](https://travel.state.gov/)