All air travelers on international flights are required to present a valid passport, Air NEXUS card, or U.S. Coast Guard Merchant Mariner Document, or an Alien Registration Card,  to enter or re-enter the United States.  This includes U.S. citizens returning by air from Canada, Mexico, Central America, South America, the Caribbean and Bermuda.  You can read more about this requirement on the U.S. Department of State website.

Please see these links for further information and assistance obtaining international travel documents:

• More information about the Western Hemisphere Travel Initiative (WHTI)

• How to apply for a new U.S. passport

• How to obtain a U.S. passport quickly

• How to renew your current U.S. passport

• U.S. Locations of passport acceptance centers

• Is a Visa required for my travel?