Both Blackpool Pleasure Beach and Fantasy Island have launched promotional offers for free wristbands following the end of the peak summer season.
Those buying a Pleasure Beach wristband online will be able to nominate a day before 21 October on which they can return to the park for free.
While the Lincolnshire-based Fantasy Island is offering a buy one get one free offer on its wristbands until 21 October on production of an e-mail flyer the park sent out on Monday.
Theme parks across the country are now entering quieter periods with reduced opening hours, with these promotions designed to encourage people to visit during the cooler months.