Dune: Part One had its world premiere at the Venice Film Festival on September 3, 2021, and was released in U.S. theaters (and on HBO Max) on October 22, 2021.

Quick Scoop: When did Dune Part 1 come out?

If you’re wondering “when did Dune Part 1 come out?” you’re really asking about two key dates:

  • World premiere: September 3, 2021 at the 78th Venice International Film Festival.
  • U.S. theatrical (and HBO Max) release: October 22, 2021.

In many international markets, the general rollout started around mid‑September 2021, with the original release window stretching from September 15, 2021 onward.

Mini timeline

  1. Originally planned for late 2020, the film was delayed multiple times due to the COVID‑19 pandemic.
  1. Festival debut in Venice on September 3, 2021 put early buzz and reviews into the spotlight.
  1. Wider international release followed mid‑September 2021.
  1. U.S. release landed on October 22, 2021, both in theaters and on streaming via HBO Max.

Why this still feels “current”

  • The film’s success led directly into Dune: Part Two, released in March 2024, keeping the first movie in the conversation for years after its debut.
  • Ongoing re‑releases (including IMAX showings in 2024) kept Part One on big screens even after its original run.

In forum and fan discussions, when someone asks “when did Dune Part 1 come out?” most people answer with the October 22, 2021 U.S. date, then add the Venice premiere for extra detail.

TL;DR: Dune: Part One premiered September 3, 2021 (Venice), and was widely released in the U.S. on October 22, 2021.

Information gathered from public forums or data available on the internet and portrayed here.