Cheapest one-way flights from London to Helsinki in December from $99

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

One-Way flights

15 Dec Scandinavian Airlines
03 Dec Scandinavian Airlines
05 Dec Scandinavian Airlines
01 Dec Scandinavian Airlines
10 Dec Scandinavian Airlines
09 Dec Scandinavian Airlines
08 Dec Scandinavian Airlines
11 Dec Scandinavian Airlines
18 Dec Scandinavian Airlines
12 Dec Scandinavian Airlines

Also check the deals for return 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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