Cheapest return flights from London to Helsinki in August from 165€

AirHint found the following cheapest return flights from London (LHR) to Helsinki (HEL) in August 2026 (see full year).

Return flights

20 Aug - 24 Aug Scandinavian Airlines
28 Aug - 31 Aug Scandinavian Airlines
11 Aug - 26 Aug Scandinavian Airlines
11 Aug - 26 Aug Finnair direct
14 Aug - 17 Aug KLM
20 Aug - 24 Aug Finnair direct
14 Aug - 17 Aug Finnair direct
28 Aug - 31 Aug Finnair direct

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

Powered by

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.

Book a cheap hotel in Helsinki

Cheap car rent in Helsinki

Feel free to contact us with any feedback or request another flight research.