Cheap flights from London to Helsinki

from as little as £371

43 nights in Helsinki, departing London Heathrow on 19 / Jul / 2025 with KLM (price found 40 hours ago)

Subject to availability, prices correct of the last 24 hours
Helsinki

Cheap return flights from London to Helsinki

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The London / Helsinki route

All 1859 km of it

Cheap flight deals for this route

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Helsinki flight facts

What you need to know

Alternative flights from the UK to Helsinki

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Helsinki

Today alone, Netflights has searched over 25 flights. 19 / Jul / 2025 is currently the lowest priced day of the year to fly the London/Helsinki route. There are around 30 flights on any given week from the UK to Helsinki and the cheapest month to fly right now is July.

Not suitable? Try running another search or viewing all cheap flight deals.

Min / Max Temperature (°C)
LOWEST

-9 °C

AVG

4 °C

HIGHEST

21 °C

Rainfall (mm)
LOWEST

35 mm

AVG

53.2 mm

HIGHEST

75 mm

Key facts about Helsinki

How to get cheap flights from London to Helsinki

Tips and advice from our flight experts

Weekly, there are 30 flights connecting Helsinki to London. We've gone through them all to help you find the right flight for you. If you can't find what you're looking for, consider widening your search by looking at flights from a different airport.

London Heathrow (LHR) is the most popular airport in this city for flights to Helsinki, and the most popular airlines are Air France, Finnair & British Airways. Both flight prices and accommodation rates fluctuate throughout the year, but searching by month will reveal the cheapest times to fly.

The 1859 km journey from London to Helsinki takes at least 2 hrs 50 mins. On average, Air Baltic have the cheapest flights, but check your search results, as this isn’t always the case. Another way to get a cheap flight is to book last minute – but this does mean you may not be able to get the exact flights you want.

Today alone, we’ve scanned 25 flights worldwide to bring you the best flight deals in one place. Did you know you can also compare car hire and hotel prices in Finland with Netflights? Take a look to get an idea of prices in Helsinki.

Other popular destinations near Helsinki

Where other people are flying to

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