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Get a day of free entry to the theme park of your choice this summer with Merlin Twice the Fun deal

What's better than visiting one Merlin attractions? Visiting two Merlin attractions, of course!

Man and woman on a log flume ride

Justin Goff Photos/Getty Images

Published: Monday, 6 July 2026 at 9:33 am

Whether you're happy about it or not, the summer holidays are nearly here, so, if you're looking for a way to beat the school break stress, Merlin have got you covered.

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Merlin have brought back their Twice as Fun deal, which can be used at Alton Towers, Thorpe Park, Chessington World of Adventure and LEGOLAND Windsor.

This means you can book a day at one of these parks for £29.75 and get a second day at another one completely for free. Plus, if you're a super fan of one of these parks in particular, you can even book your second day at the same park.

This offer is live until 27 July for all dates between between now and 25 September. We've gathered all the essential info— here's how you can redeem the Merlin Twice the Fun offer today.

For more money-saving Merlin tips, here are the best Alton Towers deals and the best Thorpe Park deals.

What is the Merlin Twice the Fun deal?

Right now, you can get two days at four Merlin attractions; Alton Towers, Thorpe Park, Chessington and LEGOLAND Windsor for £29.75 per person.

When you book a day pass to one of these parks, you'll get another free day pass to the park of your choosing, even spending a free extra day at the same park.

Given the average price of an adult's day pass at these parks is around £32, this deal will save you more than £120 for a family of four.

How long does the Merlin Twice the Fun deal last?

The Merlin Twice the Fun deal is currently live on the websites of the four participating Merlin attractions and will last until 27 July 2026. Both theme park day visits must be booked between now and 25 September.

How to get the Merlin Twice the Fun offer

So, how do you claim this great offer?

Simply head on over to the site of your choice (i.e. where you want to spend your first day) to book your first trip. Be sure to keep your ticket or e-ticket as you'll need it to secure your second visit.

When booking your second visit, enter the unique barcode number from your previous ticket and you'll be able to unlock the Twice the Fun deal.

Simply bring your booking confirmation with you on the day and you're ready to enjoy a second day of adventure, completely free!

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For more Merlin offers, here are our roundups of the best Warwick Castle deals and the best Thorpe Park deals. Plus, the Ramses London exhibition review.

Authors

Joanna Magill

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