Cheapest return flights from London to Helsinki in August from 136€

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

Return flights

25 Aug - 01 Sep Scandinavian Airlines
27 Aug - 02 Sep Scandinavian Airlines
13 Aug - 18 Aug Scandinavian Airlines
12 Aug - 17 Aug Scandinavian Airlines
27 Aug - 06 Sep Scandinavian Airlines
12 Aug - 19 Aug Scandinavian Airlines
13 Aug - 17 Aug Scandinavian Airlines
12 Aug - 14 Aug Scandinavian Airlines
12 Aug - 16 Aug Scandinavian Airlines
15 Aug - 19 Aug Scandinavian Airlines
13 Aug - 16 Aug Scandinavian Airlines
12 Aug - 20 Aug Scandinavian Airlines
13 Aug - 20 Aug Scandinavian Airlines
28 Aug - 06 Sep Scandinavian Airlines
29 Aug - 02 Sep Scandinavian Airlines
14 Aug - 11 Sep Scandinavian Airlines
31 Aug - 06 Sep Scandinavian Airlines
27 Aug - 03 Sep Scandinavian Airlines
25 Aug - 03 Sep Scandinavian Airlines
31 Aug - 02 Sep Scandinavian Airlines

Also check the deals for one-way flights from London to Helsinki in August.

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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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