James Cameron's third " Avatar " film is estimated to have a production budget of around $250–300 million. That makes it one of costliest films in history, but is it in the top ten?

We can answer that right now: no. There are ten movies ahead of " Avatar: Fire and Ash " in the rankings (including the previous film in the series, " Avatar: The Way of Water ").

The following ten films are listed in terms of production budget, and adjusted for inflation. That means older movies can compete on equal footing with modern ones. You'll also see where you can watch each film as of 2025.

The scary thing is market budgets haven't even been factored in, making the films cost even more when you take account of the advertising and promotion. Scroll on for the full list.

10 Most Expensive Films

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