Cheapest return flights from London to Helsinki in August from $196

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

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

Return flights

16 Aug - 25 Aug Scandinavian Airlines
05 Aug - 12 Aug Scandinavian Airlines
20 Aug - 21 Aug Scandinavian Airlines
16 Aug - 20 Aug Scandinavian Airlines
16 Aug - 18 Aug Scandinavian Airlines
21 Aug - 25 Aug Scandinavian Airlines
15 Aug - 18 Aug Scandinavian Airlines
07 Aug - 16 Aug Scandinavian Airlines
13 Aug - 16 Aug Scandinavian Airlines
12 Aug - 15 Aug Scandinavian Airlines
28 Aug - 02 Sep Scandinavian Airlines
27 Aug - 01 Sep Scandinavian Airlines
20 Aug - 01 Sep Scandinavian Airlines
28 Aug - 01 Sep Scandinavian Airlines
12 Aug - 16 Sep Lufthansa
25 Aug - 01 Sep Scandinavian Airlines
31 Aug - 06 Sep Scandinavian Airlines
27 Aug - 06 Sep Scandinavian Airlines
29 Aug - 04 Sep Scandinavian Airlines
29 Aug - 04 Sep Finnair direct

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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