Cheapest one-way flights from London to Helsinki in August from $97

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

One-Way flights

14 Aug Scandinavian Airlines
12 Aug Scandinavian Airlines
17 Aug Scandinavian Airlines
26 Aug Scandinavian Airlines
27 Aug Scandinavian Airlines
25 Aug Scandinavian Airlines
20 Aug Scandinavian Airlines
13 Aug Scandinavian Airlines
19 Aug Scandinavian Airlines
29 Aug Scandinavian Airlines

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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