For US citizens, when cruising a closed-loop itinerary that starts and ends in a US port such as a Seattle roundtrip Alaska cruise, you don’t need a US passport. This is no longer 100% valid. If you’re traveling with a minor, please note the following.
Effective now, Princess’ policy, as governed by the US Western Hemisphere Initiative, states:
When minors are traveling with only one adult 21 years of age or older, Princess requires that all passengers must be in possession of a valid passport. Carrier has implemented this requirement so that Your party remains together should an emergency arise that requires one or more in your party to be disembarked in a non-U.S. port. Carrier cannot guarantee that all members of Your party will be allowed to disembark with just a WHTI-compliant document or birth certificate. Failure to present a valid passport for all passengers traveling together will result in denial of boarding without refund of the of the cruise or cruisetour fare.
Whether or not you’re traveling with a minor on a Seattle roundtrip cruise, it’s always a good idea to have a passport that’s valid up to 6 months after the last day of your trip. It’s the one travel document that guarantees you get back to the US in a timely manner in case of an emergency. Read here for more on how it can come in handy when you’re sailing the noted itinerary.
Should you have any further questions regarding this, your dedicated Cruise Specialist can certainly answer them. Call 1-800-565-2784.