Cheapest return flights from London to Helsinki in October from $167

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

Return flights

03 Oct - 07 Oct Scandinavian Airlines
03 Oct - 06 Oct Scandinavian Airlines
09 Oct - 13 Oct Scandinavian Airlines
02 Oct - 06 Oct Scandinavian Airlines
02 Oct - 07 Oct Scandinavian Airlines
08 Oct - 13 Oct Scandinavian Airlines
27 Oct - 31 Oct Scandinavian Airlines
02 Oct - 09 Oct Scandinavian Airlines
03 Oct - 13 Oct Scandinavian Airlines
07 Oct - 08 Oct Scandinavian Airlines
28 Oct - 02 Nov Scandinavian Airlines
30 Oct - 02 Nov Scandinavian Airlines
31 Oct - 03 Nov Scandinavian Airlines
31 Oct - 02 Nov Scandinavian Airlines
30 Oct - 12 Nov Scandinavian Airlines
24 Oct - 01 Nov Scandinavian Airlines
25 Oct - 03 Nov Finnair
25 Oct - 07 Nov Finnair
28 Oct - 02 Nov Finnair direct
30 Oct - 12 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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