Cheapest return flights from London to Helsinki in December from $111

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

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

Return flights

01 Dec - 11 Dec Norwegian Air Sweden AOC direct
04 Dec - 11 Dec Norwegian Air Sweden AOC direct
01 Dec - 12 Dec Norwegian Air Sweden AOC direct
01 Dec - 04 Dec Norwegian Air Sweden AOC direct
04 Dec - 12 Dec Norwegian Air Sweden AOC direct
04 Dec - 15 Dec Norwegian Air Sweden AOC direct
01 Dec - 14 Dec Norwegian Air Sweden AOC direct
01 Dec - 08 Dec Norwegian Air Sweden AOC direct
04 Dec - 14 Dec Norwegian Air Sweden AOC direct
04 Dec - 08 Dec Norwegian Air Sweden AOC direct
28 Dec - 18 Jan Norwegian Air Sweden AOC
28 Dec - 08 Jan Norwegian Air Sweden AOC
28 Dec - 18 Jan Norwegian Air Sweden AOC direct
28 Dec - 08 Jan Norwegian Air Sweden AOC direct
28 Dec - 07 Jan Norwegian Air Sweden AOC
22 Dec - 08 Jan Norwegian Air Sweden AOC direct
18 Dec - 08 Jan Norwegian Air Sweden AOC
28 Dec - 06 Jan Norwegian Air Sweden AOC
18 Dec - 08 Jan Norwegian Air Sweden AOC direct
30 Dec - 18 Jan Norwegian Air Sweden AOC

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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