Yes, modern Walt Disney World and Disneyland tickets almost always have an expiration date based on the date-based pricing model. A standard 1-day base ticket is only valid for the specific date selected at the time of purchase and expires at the end of that day. Multi-day tickets offer a slightly larger "window" of validity; for example, a 4-day ticket is typically valid for any 4 days within an 8-day window starting from your selected arrival date. Once that window passes, any unused days are forfeited and cannot be used later. However, the unused value of an expired, wholly unused ticket can often be applied toward the purchase of a new ticket at current prices. There is one major exception: "No Expiration" tickets purchased many years ago (prior to 2004) are still honored by Disney today, provided they still have unused days remaining. For 2026, Florida Resident "Discover Disney" tickets have very specific fixed expiration dates (e.g., May 16, 2026), regardless of when they were first used.