Cheapest one-way flights from London to Helsinki in August from $104

Best time to book flights for London (LHR) to Helsinki (HEL) flights at AirHint

AirHint found the following cheapest one-way flights from London (LHR) to Helsinki (HEL) in August 2025 (see full year).

One-Way flights

17 Aug Scandinavian Airlines
16 Aug Scandinavian Airlines
24 Aug Scandinavian Airlines
11 Aug Finnair direct
16 Aug Finnair direct
13 Aug Finnair direct
17 Aug Finnair direct
09 Aug Finnair direct
07 Aug Finnair direct
14 Aug Finnair direct

Also check the deals for return flights from London to Helsinki in August.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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