Cheapest return flights from London to Helsinki in December from 140€

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

Return flights

03 Dec - 16 Dec Scandinavian Airlines
05 Dec - 10 Dec Scandinavian Airlines
11 Dec - 15 Dec Scandinavian Airlines
09 Dec - 16 Dec Scandinavian Airlines
02 Dec - 03 Dec Scandinavian Airlines
02 Dec - 10 Dec Scandinavian Airlines
03 Dec - 08 Dec Scandinavian Airlines
04 Dec - 08 Dec Scandinavian Airlines
05 Dec - 14 Dec Scandinavian Airlines
16 Dec - 17 Dec Scandinavian Airlines
10 Dec - 08 Jan Scandinavian Airlines
15 Dec - 11 Jan Scandinavian Airlines
31 Dec - 09 Jan Scandinavian Airlines
26 Dec - 12 Jan Scandinavian Airlines
29 Dec - 12 Jan Finnair
19 Dec - 11 Jan Scandinavian Airlines
22 Dec - 09 Jan Scandinavian Airlines
22 Dec - 07 Jan Scandinavian Airlines
28 Dec - 08 Jan Scandinavian Airlines
15 Dec - 01 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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