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Movies like Flux (2021)

The best movies like Flux (2021) are Vicious (2025), The Quiller Memorandum (1966) and Maniac (1963). If Flux hooked you with its thriller, these 20 similar films are what to watch next, and every pick says why it matches.

Quick picks

  1. Vicious (2025)

    When Polly receives a mysterious box, it comes with one rule: place inside something she needs, something she hates, and something she loves. If she doesn’t obey, it will consume everything—and everyone—she’s ever known.

    Why it matches: Recommended by TMDB viewers · both thriller

    Popcorn FlickMovies like this
  2. The Quiller Memorandum (1966)

    After two British Secret Intelligence Service agents are murdered at the hands of a cryptic neo-Nazi group known as Phoenix, the suave agent Quiller is sent to Berlin to investigate.

    Why it matches: Recommended by TMDB viewers · both thriller

  3. Maniac (1963)

    When a stranger enters a quiet, country town and is seduced by a sensuous married woman he unwittingly finds himself at the centre of a storm of sexual guilt and murder.

    Why it matches: Recommended by TMDB viewers · both thriller

    Popcorn FlickMovies like this
  4. Black Widow (1987)

    Federal agent Alexandra Barnes believes that Catherine Petersen is a serial killer who marries rich men and then murders them for their money. But since Catherine is seemingly a master of disguise and has multiple identities, Alexandra can't prove anything with conventional detective work. With no other option, she goes undercover, pursuing the same man as Catherine, and hoping that Catherine will slip up and reveal her true identity.

    Why it matches: Recommended by TMDB viewers · both thriller

    Popcorn FlickMovies like this
  5. Frank and Penelope (2022)

    A tale of love and violence when a man on his emotional last legs finds a savior seductively dancing in a run-down strip club. And a life most certainly headed off a cliff suddenly becomes redirected - as everything is now worth dying for.

    Why it matches: Recommended by TMDB viewers · both thriller

    Worth the HypeMovies like this
  6. Hider in the House (1989)

    A deranged man hides in the attic of a new house and becomes obsessed with the unsuspecting family that moves in.

    Why it matches: Recommended by TMDB viewers · both thriller

    Popcorn FlickMovies like this
  7. The Wasp (2024)

    Heather bumps into Carla, having not spoken to her in years, and presents her with a very unexpected proposition that could change both of their lives forever.

    Why it matches: Recommended by TMDB viewers · both thriller

    Popcorn FlickMovies like this
  8. Chief of Station (2024)

    After learning that the death of his wife was not an accident, a former CIA Station Chief is forced back into the espionage underworld, teaming up with an adversary to unravel a conspiracy that challenges everything he thought he knew.

    Why it matches: Recommended by TMDB viewers · both thriller

    Popcorn FlickMovies like this
  9. Shades of Desire (2023)

    After her twin sister Aubrey goes missing, Jennifer uncovers the scandalous, secret double-life that Aubrey leads - and that has put both of them in danger.

    Why it matches: Recommended by TMDB viewers · both thriller

    Popcorn FlickMovies like this
  10. Blackwood (2014)

    Having recovered from a shattering emotional breakdown, college professor Ben Marshall relocates to the countryside with his wife and young son, hoping for a fresh start. He has a teaching job lined up and a new home to move into; things finally look to be going Ben's way. Until, that is, he starts to feel that something isn't quite right in the house. Finding himself plagued by spectral visions, Ben becomes obsessed with uncovering the truth behind a local mystery that appears to be putting the lives of his family in danger

    Why it matches: Recommended by TMDB viewers · both thriller

  11. The MacKintosh Man (1973)

    A member of British Intelligence assumes a fictitious criminal identity and allows himself to be caught, imprisoned, and freed in order to infiltrate a spy organization and expose a traitor; only, someone finds him out and exposes him to the gang...

    Why it matches: Recommended by TMDB viewers · both thriller

    Popcorn FlickMovies like this
  12. 6 Below: Miracle on the Mountain (2017)

    An adrenaline seeking snowboarder gets lost in a massive winter storm in the back country of the High Sierras where he is pushed to the limits of human endurance and forced to battle his own personal demons as he fights for survival....

    Why it matches: Recommended by TMDB viewers · both thriller

  13. Rogue Agent (2022)

    Conman Robert Freegard poses as an undercover MI5 agent and kidnaps countless victims amidst a high-stakes manhunt, until the woman who fell for him brings him to justice.

    Why it matches: Recommended by TMDB viewers · both thriller

    Popcorn FlickMovies like this
  14. Border Hunters (2025)

    After his police officer brother is killed by a drug dealer who flees to the protection of his cartel-connected uncle in Mexico, an American man with a diverse law enforcement/military background goes south of the border to get revenge

    Why it matches: Recommended by TMDB viewers · both thriller

    Popcorn FlickMovies like this
  15. Lights Out (2024)

    A drifting ex-soldier turns underground fighter with the help of a just-released ex-con, pitting him against corrupt cops and hired killers now gunning for him and all those he cares about.

    Why it matches: Recommended by TMDB viewers · both thriller

    Worth the HypeMovies like this
  16. The Signal (2007)

    A horror film told in three parts, from three perspectives, in which a mysterious transmission that turns people into killers invades every cell phone, radio, and television.

    Why it matches: Recommended by TMDB viewers · both thriller

  17. Other Side of the Box (2018)

    A couple receives a mysterious package from an old friend.

    Why it matches: Recommended by TMDB viewers · both thriller

    Popcorn FlickMovies like this
  18. Tyler Perry's Duplicity (2025)

    High-powered attorney Marley faces her most personal case yet when she is tasked with uncovering the truth behind the murder of her best friend Fela’s husband. With the help of her boyfriend – a former cop turned private investigator – Marley’s search for what really happened leads her down a treacherous maze of deception and betrayal.

    Why it matches: Recommended by TMDB viewers · both thriller

    Popcorn FlickMovies like this
  19. The Vigilante (2023)

    Returning from Afghanistan, Jessica, a Spec OPS Marine, finds herself in a war she never imagined and discovers middle America suburbia has changed when her thirteen year old sister, Aimee, is abducted by sex traffickers.

    Why it matches: Recommended by TMDB viewers · both thriller

    Worth the HypeMovies like this
  20. MK Ultra (2022)

    Set during the true and unconscionable Central Intelligence Agency MK ULTRA drug experimentations in the early 1960s. The journey of Ford Strauss, a brilliant psychiatrist, whose moral and scientific boundaries are pushed to the limit as he is recruited to run a subsect of the program in a rural Mississippi Mental Hospital.

    Why it matches: Recommended by TMDB viewers · both thriller

Like Flux and something else?

Blend two favourites and we’ll find the films in between.

Frequently asked questions

What are the best movies like Flux?

The closest matches to Flux are Vicious (2025), The Quiller Memorandum (1966) and Maniac (1963). Below are 17 more, each with the reason it matches.

What should I watch after Flux?

Start with Vicious (2025), the closest match to Flux.

What is the highest-rated movie like Flux?

Chief of Station (2024), rated 6.3/10 by 280 TMDB users.

What is the newest movie like Flux?

Border Hunters (2025) is the most recent release on this list.

How are movies similar to Flux chosen?

First come films that Trakt’s viewers watch alongside Flux, then TMDB’s recommendations and films it rates as similar in story and genre. Each pick says which signal put it there.

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