The best and most common way to reach St. Croix in 2026 is by flying directly into Henry E. Rohlsen Airport (STX). Major carriers like American Airlines, Delta, and Spirit offer non-stop flights from hubs such as Miami, Charlotte, Atlanta, and Fort Lauderdale. If you are already in the region, a high-value strategy is to fly into San Juan, Puerto Rico (SJU) or St. Thomas (STT) and take a short, scenic commuter flight via Silver Airways, Cape Air, or Seaborne Airlines. For a unique experience, you can take a Seaplane from downtown Charlotte Amalie in St. Thomas directly to the Christiansted harbor in St. Croix. It is a peer-to-peer essential for U.S. citizens to know that while a passport is not required to enter the U.S. Virgin Islands, a REAL ID is now mandatory for the return flight to the mainland, and you must clear a specialized U.S. Customs inspection before departing the island.