As 2025 unfolds, theme park enthusiasts across the United States are gearing up for exciting new seasons at their favorite parks. Whether you're planning a summer thrill ride or a winter getaway, the country's most beloved theme parks are ready to welcome visitors with a variety of opening dates.
In this article we'll roundup the opening dates for every major theme park in North America, so you can start planning your theme park adventures and amusement park road trips.
For more information about each park featured, be sure to follow the links to our comprehensive park guides.
Parks Open Year-Round
Several major theme parks operate every day of the year, weather permitting, offering visitors the chance to experience the magic any time they please. These parks include:
- Busch Gardens Tampa Bay
- Disney California Adventure
- Disneyland
- Disney's Animal Kingdom
- Disney's Hollywood Studios
- EPCOT
- Knott's Berry Farm*
- LEGOLAND California**
- LEGOLAND Florida
- Magic Kingdom
- Peppa Pig Theme Park Florida
- SeaWorld Orlando
- SeaWorld San Diego
- Universal Islands of Adventure
- Universal Studios Florida
- Universal Studios Hollywood
* closed on Christmas Day
** closed on some Wednesdays in off peak periods
Super-Sized Summer Fun
For those looking to dive into the summer fun, many parks extend their year-round opening from weekends and select weekdays to daily operations starting in mid-May, making this the peak time for roller coasters, water rides, and family-friendly attractions:
- Busch Gardens Williamsburg – open daily from May 15
- Six Flags Fiesta Texas – open daily from May 15
- Six Flags Magic Mountain – open daily from May 16
- Six Flags Over Texas – open daily from May 22
- SeaWorld San Antonio – open daily from May 22
- Sesame Place Philadelphia – open daily from May 23
- Sesame Place San Diego – open daily from May 23
- Six Flags Discovery Kingdom – open daily from May 23
Seasonal Park Opening Dates
Many theme parks across North America operate seasonally, with some opening their doors in the early spring, while others kick off daily operations in the summer. Below is a breakdown of key parks' opening dates for the 2025 season:
- Silver Dollar City – opens March 13
- Dollywood – opens March 14
- Wild Adventures – opens March 15 (daily from May 21)
- Carowinds – opens March 15 (daily from May 23)
- Frontier City – opens March 15 (daily from May 23)
- Six Flags Over Georgia – opens March 15 (daily from May 23)
- Six Flags Great Adventure – opens March 29 (daily from May 22)
- Kings Dominion – opens March 29 (daily from May 23)
- Dutch Wonderland – opens April 5 (daily from June 6)
- Hersheypark – opens April 5 (daily from May 22)
- Six Flags St. Louis – opens April 5 (daily from May 23)
- California's Great America – opens April 5 (daily from June 6)
- Six Flags New England – opens April 5 (daily from June 11)
- LEGOLAND New York – opens April 10 (daily from May 23)
- Kennywood – opens April 12 (daily from May 23)
- Six Flags America – opens April 12 (daily from June 11)
- Six Flags Great America – opens April 18 (daily from May 20)
- Kings Island – opens April 19 (daily from May 14)
- Cedar Point – opens May 3 (daily from May 15)
- Six Flags Great Escape – opens May 17 (daily from June 19)
- Holiday World – opens May 3 (daily from May 23)
- Worlds of Fun – opens May 3 (daily from May 23)
- Lake Compounce – opens May 3 (daily from June 12)
- Dorney Park – opens May 9
- Kentucky Kingdom – opens May 10 (daily from May 24)
- Valleyfair – opens May 11 (daily from May 21)
- Six Flags Darien Lake – opens May 16 (daily from June 25)
- Adventureland – opens May 17 (daily from May 30)
- Idlewild – opens May 17 (daily from May 30)
- Michigan's Adventure – opens May 23 (daily from June 4)
- Story Land – opens May 24 (daily from June 13)
