Cheapest one-way flights from London to Helsinki in September from 89€

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

One-Way flights

11 Sep Scandinavian Airlines
12 Sep Scandinavian Airlines
01 Sep Scandinavian Airlines
24 Sep Scandinavian Airlines
08 Sep Scandinavian Airlines
16 Sep Scandinavian Airlines
22 Sep Scandinavian Airlines
19 Sep Scandinavian Airlines
20 Sep Scandinavian Airlines
19 Sep Finnair direct

Also check the deals for return 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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