Cheapest return flights from London to Helsinki in October from $257

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

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

Return flights

28 Oct - 07 Nov KLM
14 Oct - 21 Oct KLM
30 Oct - 03 Nov KLM
09 Oct - 14 Oct KLM
30 Oct - 02 Nov KLM
24 Oct - 03 Nov KLM
24 Oct - 29 Oct KLM
30 Oct - 01 Nov KLM
22 Oct - 26 Oct KLM
17 Oct - 20 Oct Lufthansa
10 Oct - 12 Oct KLM
18 Oct - 06 Nov KLM
23 Oct - 25 Oct KLM
29 Oct - 31 Oct KLM
28 Oct - 30 Oct KLM
26 Oct - 28 Oct KLM

Also check the deals for one-way 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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