Cheapest return flights from London to Helsinki in December from 129€

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

Return flights

03 Dec - 07 Dec Scandinavian Airlines
05 Dec - 09 Dec Scandinavian Airlines
02 Dec - 09 Dec Scandinavian Airlines
05 Dec - 07 Dec Scandinavian Airlines
05 Dec - 12 Dec Scandinavian Airlines
15 Dec - 18 Dec Scandinavian Airlines
04 Dec - 07 Dec Scandinavian Airlines
01 Dec - 03 Dec Scandinavian Airlines
16 Dec - 18 Dec Scandinavian Airlines
02 Dec - 04 Dec Scandinavian Airlines
29 Dec - 04 Jan Scandinavian Airlines
31 Dec - 01 Jan KLM
19 Dec - 11 Jan Scandinavian Airlines
29 Dec - 02 Jan Scandinavian Airlines
30 Dec - 02 Jan Scandinavian Airlines
29 Dec - 01 Jan Scandinavian Airlines
26 Dec - 01 Jan Scandinavian Airlines
28 Dec - 03 Jan Lufthansa
28 Dec - 04 Jan Finnair
29 Dec - 01 Jan Finnair direct

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

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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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