Cheapest return flights from London to Helsinki in August from $185

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

22 Aug - 25 Aug Scandinavian Airlines
17 Aug - 21 Aug Scandinavian Airlines
17 Aug - 22 Aug Scandinavian Airlines
29 Aug - 02 Sep Scandinavian Airlines
29 Aug - 05 Sep Scandinavian Airlines
22 Aug - 24 Aug Scandinavian Airlines
22 Aug - 31 Aug Scandinavian Airlines
14 Aug - 17 Aug Finnair direct
22 Aug - 24 Aug Finnair direct
15 Aug - 24 Aug Finnair direct
16 Aug - 21 Aug Scandinavian Airlines
07 Aug - 15 Aug Finnair direct
29 Aug - 05 Sep Finnair direct
29 Aug - 02 Sep Finnair direct
28 Aug - 01 Sep Finnair direct
17 Aug - 01 Sep British Airways direct

Also check the deals for one-way 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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