Cheapest return flights from London to Helsinki in December from $197

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

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

Return flights

11 Dec - 14 Dec Scandinavian Airlines
17 Dec - 17 Dec Scandinavian Airlines
09 Dec - 13 Dec Scandinavian Airlines
22 Dec - 29 Dec Lufthansa
16 Dec - 25 Dec Scandinavian Airlines
23 Dec - 02 Jan Scandinavian Airlines
23 Dec - 03 Jan Scandinavian Airlines
30 Dec - 02 Jan Scandinavian Airlines
30 Dec - 04 Jan Scandinavian Airlines
18 Dec - 29 Dec Lufthansa
05 Dec - 27 Dec Lufthansa
09 Dec - 13 Dec Finnair direct
16 Dec - 25 Dec Finnair direct
26 Dec - 29 Dec Lufthansa
30 Dec - 02 Jan Finnair direct
28 Dec - 02 Jan Lufthansa
21 Dec - 05 Jan Lufthansa
28 Dec - 02 Jan Finnair direct
30 Dec - 04 Jan Finnair direct
27 Dec - 03 Jan Scandinavian Airlines

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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