When traveling by air between the U.S. and Canada, Mexico, the Caribbean or Bermuda, you are required to present a U.S. Passport, except as noted below. This applies to everyone including newborns, infants and children.

The only exceptions to this requirement are for:

• U.S. citizen on active duty with the U.S. Armed Forces, traveling with military ID and travel orders
• U.S. citizen merchant mariners traveling in conjunction with maritime business, with U.S. issued Merchant Mariner Document
• Travelers with a NEXUS card for use at a NEXUS kiosk at Canadian Preclearance airports
• U.S. Lawful Permanent Residents with a Permanent Resident Card or other evidence of permanent residence status and required documentation; refugees and asylees with a Refugee Travel Document

For more information on the travel documents required for U.S. citizens to enter or re-enter the United States, please click here.