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

Return flights

27 Nov - 30 Nov	KLM
15 Nov - 17 Nov	KLM
01 Nov - 05 Nov	KLM
01 Nov - 02 Nov	KLM
13 Nov - 16 Nov	KLM
13 Nov - 17 Nov	KLM
07 Nov - 12 Nov	KLM
18 Nov - 22 Nov	KLM
20 Nov - 24 Nov	KLM
14 Nov - 20 Nov	KLM
27 Nov - 02 Dec	KLM
27 Nov - 01 Dec	KLM
29 Nov - 07 Dec	KLM
29 Nov - 01 Dec	KLM
28 Nov - 02 Dec	Lufthansa
28 Nov - 01 Dec	Lufthansa
30 Nov - 05 Dec	Lufthansa

Also check the deals for one-way flights from London to Helsinki in November.

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

Return flights