Cheapest return flights from London to Helsinki in October from 146€

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

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

Return flights

01 Oct - 29 Oct Scandinavian Airlines
01 Oct - 06 Oct Scandinavian Airlines
30 Oct - 03 Nov Scandinavian Airlines
03 Oct - 06 Oct Scandinavian Airlines
12 Oct - 15 Oct Scandinavian Airlines
30 Oct - 02 Nov Scandinavian Airlines
26 Oct - 31 Oct Scandinavian Airlines
27 Oct - 31 Oct Scandinavian Airlines
01 Oct - 15 Oct Scandinavian Airlines
02 Oct - 13 Oct Scandinavian Airlines
02 Oct - 14 Oct Scandinavian Airlines
07 Oct - 13 Oct Scandinavian Airlines
27 Oct - 01 Nov Scandinavian Airlines
28 Oct - 01 Nov Scandinavian Airlines
25 Oct - 01 Nov Scandinavian Airlines
28 Oct - 10 Nov Finnair direct
25 Oct - 25 Nov KLM
28 Oct - 01 Nov Finnair direct
27 Oct - 01 Nov Finnair direct
30 Oct - 02 Nov Finnair direct

Also check the deals for one-way 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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