All persons, including U.S. citizens, traveling by air between the United States and Canada, Mexico, Central and South America, the Caribbean, and Bermuda are required to present a valid passport, Air NEXUS card, U.S. Coast Guard Merchant Mariner Document, or an Alien Registration Card, Form I-551. International visitors who need a visa to travel to the US must apply for one at an American embassy or consulate. For details, visit
embassies - link clicktravel.state.gov.