Cheapest one-way flights from London to Helsinki in October from $107

Best time to book flights for London (LHR) to Helsinki (HEL) flights at AirHint

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

One-Way flights

12 Oct Scandinavian Airlines
21 Oct Scandinavian Airlines
09 Oct Scandinavian Airlines
20 Oct Scandinavian Airlines
17 Oct Scandinavian Airlines
19 Oct Scandinavian Airlines
22 Oct Finnair direct
04 Oct Finnair direct
12 Oct Finnair direct
21 Oct Finnair direct

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

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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