Now, Musk estimates that such a Hyperloop would only cost $6 billion to construct, which may sound like a lot, but high-speed rail between these two cities is estimated to cost $68 billion!

Whether Hyperloop travel will be "cheap" is a subject of intense economic debate. Proponents, including early visionaries like Elon Musk, initially suggested that tickets could be as low as $20 to $50 for a journey between Los Angeles and San Francisco, arguing that high speeds and electric efficiency would drive down costs. However, current 2026 engineering realities suggest that the initial cost of building the vacuum-sealed tubes and magnetic levitation infrastructure is astronomically high—estimated at over $75 million per mile. To recoup these multi-billion dollar investments, initial ticket prices are likely to be priced as a premium service, similar to Business Class or high-speed rail like the Acela. Over the long term, if the technology matures and is adopted on a mass scale, costs could drop through "economies of scale." However, for the first generation of Hyperloop passengers, it will likely be a high-end travel luxury rather than a budget-friendly alternative to buses or regional flights.