A list of events in 2025 related to Six Flags.

Timeline

January

• January 1
  • Holiday in the Park 2024 ends at Six Flags Great Adventure.
• January 5
  • Holiday in the Park 2024 ends at Six Flags Discovery Kingdom.
  • Holiday in the Park 2024 ends at Six Flags Magic Mountain.
  • Holiday in the Park 2024 ends at Six Flags Over Georgia.
• January 19
  • Christmas in the Park 2024 ends at Six Flags Mexico.

February

• February 22 — Winter Chill Out 2025 is held at Cedar Point.

March

• March 1 — Grand opening of the revamped DC Universe area at Six Flags Fiesta Texas.
• March 15
  • Frontier City opens for the 2025 season.
  • Six Flags Discovery Kingdom opens for the 2025 season.
  • Six Flags Over Georgia opens for the 2025 season.
• March 22 — Thrill City is held at Six Flags Magic Mountain.
• March 28 — Knott's Boysenberry Festival begins at Knott's Berry Farm.
• March 29
  • Kings Dominion opens for the 2025 season.
  • Six Flags Great Adventure opens for the 2025 season.

April

• April 5
  • Six Flags New England opens for the 2025 season.
  • Six Flags St. Louis opens for the 2025 season.
  • California's Great America opens for the 2025 season.
  • Viva La Fiesta begins at Six Flags Fiesta Texas and Six Flags Over Texas.
• April 10 — Kings Island opens for the 2025 season.
• April 12 — Six Flags America opens for the 2025 season.
• April 18 — Six Flags Great America opens for the 2025 season.
• April 30 — Hurricane Harbor San Antonio opens for the 2025 season.

May

• May 3
  • Cedar Point opens for the 2025 season.
  • Worlds of Fun opens for the 2025 season.
• May 4 — Viva La Fiesta ends at Six Flags Fiesta Texas and Six Flags Over Texas.
• May 9 — Grad Nite is held at Six Flags Over Texas.
• May 11 — Valleyfair opens for the 2025 season.
• May 15 — Grad Nite is held at Six Flags Fiesta Texas.
• May 16
  • Six Flags Darien Lake opens for the 2025 season.
  • 2025 Technology & Engineering Day is held at Six Flags Great America.
• May 17
  • Knott's Soak City opens for the 2025 season.
  • Hurricane Harbor (Darien Lake) opens for the 2025 season.
  • Six Flags Great Escape opens for the 2025 season.
• May 18
  • Knott's Boysenberry Festival ends at Knott's Berry Farm.
  • Michigan's Adventure holds an exclusive preview event for passholders.
• May 23 — Michigan's Adventure opens for the 2025 season.
• May 24
  • Hurricane Harbor (Georgia) opens for the 2025 season.
  • Hurricane Harbor (Maryland) opens for the 2025 season.
  • Hurricane Harbor (The Great Escape) opens for the 2025 season.
  • Hurricane Harbor Los Angeles opens for the 2025 season.
  • Soak City (Kings Island) opens for the 2025 season.
  • South Bay Shores opens for the 2025 season.
  • WildWater Adventure opens for the 2025 season.
  • Push Pop event is held at Six Flags Great Adventure.
• May 25 - Push Pop event ends at Six Flags Great Adventure.
• May 31 — Viva La Fiesta begins at Six Flags America.

June

• June 6 — 2025 Grad Nite is held at Six Flags Great Adventure.
• June 19 — Juneteenth Celebration is held at Six Flags America.
• June 20 — DC Heroes & Villains Fest begins at Six Flags Magic Mountain.
• June 29 — Viva La Fiesta ends at Six Flags America.

July

• July 3 — Star Spangled Nights debuts at Six Flags Great America.
• July 4
  • Star Spangled Nights debuts at Six Flags Discovery Kingdom, Six Flags Magic Mountain, Six Flags New England, Six Flags Over Texas, and California's Great America.
  • Star-Spangled Nights debuts at Six Flags America, Six Flags Fiesta Texas, Six Flags Great Adventure, Six Flags Over Georgia, Carowinds, Dorney Park, Frontier City, Kings Dominion, Kings Island. It is also held for one night at Six Flags St. Louis and Worlds of Fun.
• July 5
  • Star Spangled Nights ends at Six Flags Discovery Kingdom, Six Flags Great America, Six Flags Magic Mountain, Six Flags Over Texas, and California's Great America.
  • Star-Spangled Nights ends at Six Flags America, Six Flags Fiesta Texas, Six Flags Great Adventure, Six Flags Over Georgia, Carowinds, Frontier City, Kings Dominion, Kings Island.
• July 6
  • Star Spangled Nights ends at Six Flags New England.
  • Star-Spangled Nights ends at Dorney Park.
• July 12
  • Great American Nights begins at Six Flags Great America.
  • Héroes y Villanos Fest begins at Six Flags Mexico.
• July 26
  • DC Heroes & Villains Fest ends at Six Flags Magic Mountain.
  • Food & Brew begins at Six Flags New England.

August

• August 3
  • Great American Nights ends at Six Flags Great America.
  • Hurricane Harbor (Georgia) closes for the 2025 season.
• August 8 — DC Heroes & Villains Fest begins at Six Flags Great Adventure.
• August 16 — Viva La Fiesta begins at Six Flags Great America.
• August 16 & 17 — Six Flags Coaster Fest is held at Six Flags Over Georgia.
• August 22
  • Out On The Mountain is held at Six Flags Magic Mountain.
  • Food and Brew begins at Frontier City.
• August 23 — Oktoberfest begins at Six Flags Great Escape.
• August 24
  • Héroes y Villanos Fest ends at Six Flags Mexico.
  • Viva La Fiesta ends at Six Flags Great America.

September

• September 1
  • DC Heroes & Villains Fest ends at Six Flags Great Adventure.
  • Hurricane Harbor (Darien Lake) closes for the 2025 season.
  • Hurricane Harbor Los Angeles closes for the 2025 season.
  • Michigan's Adventure closes for the 2025 season.
• September 6
  • Fright Fest 2025, Kids Boo Fest 2025, and Oktoberfest begin at Six Flags Fiesta Texas.
  • Oktoberfest begins at Six Flags New England.
• September 11
  • Festival del Terror 2025 and Kids Boo Fest 2025 begin at Six Flags Mexico.
  • HalloWeekends 2025 begins at Cedar Point.
• September 12
  • Fright Fest 2025 begins at Six Flags Great Adventure.
  • Fright Fest 2025, Kids Boo Fest 2025, and Oktoberfest begin at Six Flags Over Texas.
• September 13
  • Fright Fest 2025 and Kids BOO Fest 2025 begin at Six Flags America.
  • Fright Fest 2025, Kids Boo Fest 2025, and Oktoberfest begin at Six Flags Great America.
  • Fright Fest 2025, Kids Boo Fest 2025, and Oktoberfest begin at Six Flags Over Georgia.
  • Fright Fest 2025 and Kids Boo Fest 2025 begin at Six Flags St. Louis.
  • Halloween Haunt 2025 and Tricks and Treats begin at Worlds of Fun.
  • Kids Boo Fest 2025 and Oktoberfest begin at Six Flags Great Adventure.
  • Oktoberfest begins at Six Flags Discovery Kingdom.
• September 14 — Food and Brew ends at Frontier City.
• September 18 — Knott's Scary Farm 2025 begins at Knott's Berry Farm.
• September 19
  • Fright Fest 2025 begins at Six Flags Magic Mountain.
  • Halloween Haunt 2025 begins at Kings Dominion.
  • Halloween Haunt 2025 begins at Kings Island.
• September 20
  • Fright Fest 2025 and Kids Boo Fest 2025 begin at Frontier City.
  • Fright Fest 2025 and Tricks and Treats begin at Six Flags Discovery Kingdom.
  • Fright Fest 2025 and Kids Boo Fest 2025 begin at Six Flags New England.
  • Oktoberfest and Tricks and Treats begin at Kings Dominion.
• September 21
  • Oktoberfest ends at Six Flags Great Escape.
  • Tricks and Treats begins at Kings Island.
• September 25 — Knott's Spooky Farm begins at Knott's Berry Farm.
• September 26 — Oktoberfest and Tricks and Treats begin at Six Flags Magic Mountain.
• September 27 — Fright Fest 2025 and Kids Boo Fest 2025 begin at Six Flags Great Escape.

October

• October 25
  • Six Flags Darien Lake closes for the 2025 season.
  • California's Great America closes for the 2025 season.
• October 26
  • Fright Fest 2025 ends at Six Flags Great Escape.
  • Kids Boo Fest! 2025 ends at Frontier City.
  • Oktoberfest ends at Six Flags Fiesta Texas.
  • Oktoberfest ends at Six Flags New England.
• October 27 — Kids Boo Fest 2025 ends at Six Flags Great Escape.
• October 31 — Knott's Spooky Farm ends at Knott's Berry Farm

November

• November 1
  • HalloWeekends 2025 ends at Cedar Point.
  • Halloween Haunt 2025 ends at Kings Island.
  • Fright Fest 2025 ends at Frontier City.
  • Knott's Scary Farm 2025 ends at Knott's Berry Farm.
• November 2
  • Fright Fest 2025 and Kids BOO Fest 2025 end at Six Flags America, which is closed permanently.
  • Fright Fest 2025, Oktoberfest, and Tricks and Treats end at Six Flags Discovery Kingdom.
  • Fright Fest 2025 and Kids Boo Fest 2025 end at Six Flags Fiesta Texas.
  • Fright Fest 2025, Kids Boo Fest 2025, and Oktoberfest end at Six Flags Great Adventure.
  • Fright Fest 2025, Kids Boo Fest 2025, and Oktoberfest end at Six Flags Great America.
  • Fright Fest 2025, Oktoberfest, and Tricks and Treats end at Six Flags Magic Mountain.
  • Fright Fest 2025, Kids Boo Fest 2025, and Oktoberfest end at Six Flags Over Georgia.
  • Fright Fest 2025, Kids Boo Fest 2025, and Oktoberfest end at Six Flags Over Texas.
  • Fright Fest 2025 and Kids Boo Fest 2025 end at Six Flags St. Louis.
  • Halloween Haunt 2025, Oktoberfest, and Tricks and Treats end at Kings Dominion.
  • Halloween Haunt 2025 and Tricks and Treats end at Worlds of Fun.
  • Tricks and Treats ends at Kings Island.
• November 6 - GreatFUL November begins at Six Flags Great Adventure.
• November 8 - DC Heroes Fest begins at Six Flags Over Georgia.
• November 9 - Fright Fest 2025 and Kids Boo Fest 2025 end at Six Flags New England, which closes for an extended 2025 season.
• November 11 — Veterans Day 2025 is celebrated at Six Flags Discovery Kingdom.
• November 17 — Festival del Terror 2025 and Kids Boo Fest 2025 end at Six Flags Mexico.
• November 21
  • Christmas in the Park 2025 begins at Six Flags Mexico.
  • Knott's Merry Farm begins at Knott's Berry Farm.
• November 22
  • Holiday in the Park 2025 begins at Six Flags Fiesta Texas.
  • Holiday in the Park 2025 begins at Six Flags Great Adventure.
  • Holiday in the Park 2025 begins at Six Flags Over Georgia.
  • WinterFest begins at Carowinds.
• November 23 — Holiday in the Park 2025 begins at Six Flags Over Texas.
• November 28
  • Holiday in the Park 2025 begins at Six Flags Magic Mountain.
  • WinterFest begins at Kings Island.
  • WinterFest begins at Six Flags Discovery Kingdom.
• November 29 — GreatFUL November ends at Six Flags Great Adventure, which closes for a shortened 2025 season.
• November 30 — DC Heroes Fest ends at Six Flags Over Georgia, which closes for a shortened 2025 season.

December

• December 8 — John Reilly becomes the CEO of the Six Flags Entertainment Corporation, replacing Richard Zimmerman.
• December 23 — Holiday in the Park 2025 ends at Six Flags Fiesta Texas.
• December 31
  • Holiday in the Park 2025 ends at Six Flags Over Texas.
  • WinterFest ends at Kings Island.
  • Six Flags Qiddiya City officially opens.

Anniversaries

Parks

• ? — 155th anniversary of Six Flags New England.

Attractions

• January 9 — 5th anniversary of West Coast Racers at Six Flags Magic Mountain.
• February 11 — 25th anniversary of Goliath at Six Flags Magic Mountain.
• March 1 — 45th anniversary of Judge Roy Scream at Six Flags Over Texas.
• March 11 — 25th anniversary of Superman: Krypton Coaster at Six Flags Fiesta Texas.
• March 18 — 25th anniversary of Medusa at Six Flags Discovery Kingdom.
• April 7 — 35th anniversary of Viper at Six Flags Magic Mountain.
• April 14 — 25th anniversary of Batman: The Ride at Six Flags Mexico.
• April 16 — 20th anniversary of Pandemonium at Six Flags New England.
• April 22 — 30th anniversary of Batman: The Ride at Six Flags St. Louis.
• April 29
  • 30th anniversary of Viper at Six Flags Great America.
  • 25th anniversary of The Boss at Six Flags St. Louis.
• May ?
  • 20th anniversary of Frankie's Mine Train at Six Flags Great Escape.
• May 5
  • 25th anniversary of Catwoman's Whip at Six Flags New England.
  • 25th anniversary of Flashback at Six Flags New England.
  • 25th anniversary of Superman: The Ride at Six Flags New England.
• May 13 — 25th anniversary of Superman: Ride of Steel at Six Flags America.
• May 15 — 15th anniversary of Ednör – L'Attaque at La Ronde.
• May 20 — 30th anniversary of Mind Eraser at Six Flags America.
• May 21 — 20th anniversary of Kingda Ka at Six Flags Great Adventure.
• May 23
  • 10th anniversary of Batman: The Ride at Six Flags Fiesta Texas.
  • 10th anniversary of Twisted Colossus at Six Flags Magic Mountain.
• May 24 — 10th anniversary of Wicked Cyclone at Six Flags New England.
• May 25 — 35th anniversary of Predator at Six Flags Darien Lake.
• May 27 — 15th anniversary of Little Dipper at Six Flags Great America.
• July 20 — 40th anniversary of Le Monstre at La Ronde.

See also

• Six Flags 2025 New Attractions

External links

• 2025 at Wikipedia

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