Cheapest one-way flights from London to Helsinki in October from $104

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

02 Oct Scandinavian Airlines
31 Oct Scandinavian Airlines
19 Oct Scandinavian Airlines
01 Oct Scandinavian Airlines
06 Oct Scandinavian Airlines
07 Oct Scandinavian Airlines
24 Oct Scandinavian Airlines
06 Oct Finnair direct
07 Oct Finnair direct
11 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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