Visa rules can be pretty tricky. What's more, they can change. Use this tool to find out which travel documents you'll need to enter the countries you're visiting, or to get back into the country where you started.
Advisory: As of January 23, 2007 passports are required for travel between the United States and Canada, Mexico, the Caribbean (except for travel to or from U.S. territories by U.S. citizens), and Bermuda.
As of October 1, 2007, exceptions are no longer being made for those who have applied for their passport but haven't received it. Please make sure that you have your passport with you when you arrive at the airport for your travel between the areas mentioned above.
For details, see the U.S. Department of State's Western Hemisphere Travel Initiative information.
Check the travel documents you will need to re-enter the U.S. below. For example, if you are traveling from the U.S. to Canada, select "United States" in the Destination country box.