Cheapest one-way flights from London to Helsinki in December from $73

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

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

One-Way flights

01 Dec Norwegian Air Sweden AOC direct
04 Dec Norwegian Air Sweden AOC direct
05 Dec airBaltic
06 Dec airBaltic
12 Dec Norwegian Air Sweden AOC direct
11 Dec Norwegian Air Sweden AOC direct
05 Dec Norwegian Air Sweden AOC direct
15 Dec Norwegian Air Sweden AOC
10 Dec Norwegian Air Sweden AOC
15 Dec Norwegian Air Sweden AOC 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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