Yes, you can absolutely visit Disney for a single day, though your strategy will differ depending on whether you are in California or Florida. In 2026, both Disneyland Resort and Walt Disney World offer one-day base tickets that allow entry to a single theme park. For a one-day trip to Disney World, most guests choose Magic Kingdom for the classic experience or EPCOT for its festivals. At Disneyland in California, a one-day ticket can be upgraded with the Park Hopper option, allowing you to walk between Disneyland Park and Disney California Adventure in the same afternoon. To make the most of a 24-hour window, using the My Disney Experience or Disneyland app is essential for booking Lightning Lane passes and mobile-ordering food. While a single day won't allow you to see everything, it is a popular way for locals or business travelers to catch a specific nighttime spectacular or experience a brand-new attraction like the Tiana's Bayou Adventure or the 70th Anniversary offerings.