Cheapest one-way flights from London to Helsinki in October from 99€

AirHint found the following cheapest one-way flights from London (LHR) to Helsinki (HEL) in October 2025 (see full year).

One-Way flights

31 Oct Scandinavian Airlines
30 Oct Scandinavian Airlines
28 Oct Scandinavian Airlines
27 Oct Scandinavian Airlines
29 Oct Scandinavian Airlines
25 Oct Scandinavian Airlines
26 Oct Scandinavian Airlines
30 Oct Finnair direct
31 Oct Finnair direct
28 Oct Finnair direct

Also check the deals for return flights from London to Helsinki in October.

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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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