Cheapest one-way flights from London to Helsinki in December from $106

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

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

One-Way flights

04 Dec Scandinavian Airlines
02 Dec Scandinavian Airlines
25 Dec Scandinavian Airlines
15 Dec Scandinavian Airlines
07 Dec Scandinavian Airlines
02 Dec Finnair direct
13 Dec Scandinavian Airlines
04 Dec Finnair direct
07 Dec Finnair direct
15 Dec Finnair direct

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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