1. Get your passport, credit or debit card ready, and read the help document. You must have a valid Canadian passport to take a cruise from the United States.Some of the countries you visit will not permit entry without a passport. Quick Facts: Passport Validity: Valid at time of entry. Blank Passport Pages: One page required. A consent letter demonstrates that a child has permission to travel outside Canada from every parent or guardian who is not accompanying them on the trip. Complete travel form DSHS 03-478 and obtain required approvals if CA is paying for the travel. Among those exempted from this new requirement are U.S. citizens and travellers with a valid visa. Travellers must log on to the ESTA website (Electronic System for Travel Authorization) and complete the online request form in English. We provide services to Canadians visiting and living in the United States.