Since then, he has directed several films for the young audience, including The Olsen Gang Junior and The Fakir from Bilbao.

Flinth directed the Wallander crime novel Mastermind with Krister Henriksson in the lead role, then the Temple Knight saga about Arn, which resulted in two feature films.

In 2009, Flinth worked with Her Majesty Margrethe II of Denmark, on the film adaptation of H. C. Andersen's fairy tale The Wild Swans.

[6] In 2022, Against the Ice, which is based on the true story written by Ejnar Mikkelsen, premiered at the 72nd Berlin International Film Festival and was released on Netflix on March 2, 2022.

[7] The film is a collaboration between director Peter Flinth and actor Nikolaj Coster-Waldau who has written the script and are also portraying the lead character.