Cheap flights from Helsinki to London-Heathrow

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London-Heathrow flight facts

What you need to know

What are the cheapest airlines?

  • Ryanair
  • Norwegian Air
  • Finnair

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

What airlines fly indirectly?

  • KLM
  • Lufthansa
  • Air France

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

How long is the flight?

3 hours 15 minutes

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

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

Tips and advice from our flight experts

You've searched for flights from Helsinki to London-Heathrow. We found 25 flights and compared them to give you the best offer. Ryanair is, on average, the cheapest for this route, so keep an eye on them. The cheapest offer we've found is a one-way ticket for Helsinki to London-Heathrow on 19/02/2026 at 03:40 for £65.

We've scanned hundreds of airfares from dozens of airlines across the globe. In total, we've found 15 airlines that operate the 1880 km flight from Helsinki to London-Heathrow.

To find the best offers, consider booking 2-3 months in advance or look for last-minute deals. Ryanair is a popular cheap airline for this route, and the average flight duration is about 3 hours 15 minutes. After selecting an offer, fill out your information, complete the payment, and consider booking a hotel with us or using our flight + hotel service to save time and money.