Cheap flights from London to Mammoth Lakes

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Mammoth Lakes flight facts

What you need to know

What are the cheapest airlines?

  • British Airways
  • United Airlines
  • Alaska Airlines

These airlines usually offer the cheapest flights from London to Mammoth Lakes.

What airlines fly indirectly?

  • American Airlines
  • Delta Airlines
  • JetBlue Airways

These airlines fly from London to Mammoth Lakes, but you’ll have at least one layover.

How long is the flight?

12 hours

This is the shortest flight time from London to Mammoth Lakes.

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Today alone, Netflights has searched over five flights. 05 / Feb / 2026 is currently the lowest priced day of the year to fly the London/Mammoth Lakes route. There are around 35 flights on any given week from the UK to Mammoth Lakes and the cheapest month to fly right now is February. Not suitable? Try running another search or viewing all cheap flight deals.

How to get cheap flights from London to Mammoth Lakes

Tips and advice from our flight experts

You've searched for flights from London to Mammoth Lakes. We've found 25 flights and compared them to give you the best offers. On average, British Airways is the cheapest for this route, so keep an eye on them. The cheapest offer we've found is a one-way ticket for £55 from London to Mammoth Lakes on 22/05/2026 at 02:00.

We've scanned hundreds of airfares from dozens of airlines across the globe. In total, we've found 15 airlines that operate the 8,800 km flight from London to Mammoth Lakes.

To find the best offers, consider booking 2-3 months in advance or looking for last-minute deals. Try flying with Alaska Airlines, which is popular and offers an average flight duration of 12 hours. After selecting an offer, fill out your information, make the payment, and consider booking a hotel with us or using our flight + hotel service to save time and money.