Cheapest return flights from London to Helsinki in September from 192€

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

Return flights

14 Sep - 17 Sep Scandinavian Airlines
26 Sep - 03 Oct Scandinavian Airlines
10 Sep - 13 Sep Scandinavian Airlines
10 Sep - 13 Sep Finnair direct
14 Sep - 17 Sep Finnair direct
26 Sep - 03 Oct Finnair direct

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

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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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