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

Return flights

15 Nov - 18 Nov	KLM
15 Nov - 19 Nov	KLM
29 Nov - 02 Dec	KLM
29 Nov - 03 Dec	KLM
17 Nov - 24 Nov	KLM
12 Nov - 16 Nov	KLM
15 Nov - 16 Nov	KLM
10 Nov - 14 Nov	KLM
29 Nov - 01 Dec	KLM
24 Nov - 07 Dec	KLM
27 Nov - 03 Dec	KLM
04 Nov - 09 Nov	KLM
08 Nov - 09 Nov	KLM
03 Nov - 09 Nov	KLM
21 Nov - 24 Nov	KLM
28 Nov - 02 Dec	KLM
28 Nov - 01 Dec	KLM

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 $237

Return flights