Cheapest return flights from London to Helsinki in December from $190

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

02 Dec - 15 Dec Scandinavian Airlines
04 Dec - 11 Dec Scandinavian Airlines
01 Dec - 04 Dec Scandinavian Airlines
02 Dec - 08 Dec Scandinavian Airlines
03 Dec - 06 Dec Scandinavian Airlines
01 Dec - 04 Dec Finnair direct
03 Dec - 06 Dec Finnair direct
12 Dec - 12 Dec Scandinavian Airlines
02 Dec - 08 Dec Finnair direct
23 Dec - 30 Dec Lufthansa
24 Dec - 01 Jan Finnair direct
27 Dec - 03 Jan Finnair direct

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

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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