Cheap flights from London-Heathrow to Juneau

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Juneau flight facts

What you need to know

What are the cheapest airlines?

  • British Airways
  • Alaska Airlines
  • Delta Air Lines

These airlines usually offer the cheapest flights from London-Heathrow to Juneau.

What airlines fly indirectly?

  • American Airlines
  • United Airlines
  • Air Canada

These airlines fly from London-Heathrow to Juneau, but you’ll have at least one layover.

How long is the flight?

15 hours 30 minutes

This is the shortest flight time from London-Heathrow to Juneau.

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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-Heathrow/Juneau route. There are around 35 flights on any given week from the UK to Juneau 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-Heathrow to Juneau

Tips and advice from our flight experts

You've searched for flights from London-Heathrow to Juneau. We've found 25 flights and compared them to give you the best offer. 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 £40 from London-Heathrow to Juneau on 01/02/2026 at 22:20.

We've scanned hundreds of airfares from dozens of airlines across the globe. In total, we've found 5 airlines that operate the 7,200 km flight from London-Heathrow to Juneau.

To find the best offers, consider booking 2-3 months in advance or looking for last-minute deals. Try Alaska Airlines for budget options. The average flight duration is about 15 hours 30 minutes. After selecting an offer, fill out your information and proceed to payment. Don't forget to check our flight + hotel service to save time and money!