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

Return flights

03 Dec - 10 Dec	Ryanair
03 Dec - 06 Dec	Ryanair
11 Dec - 14 Dec	Ryanair
10 Dec - 14 Dec	Ryanair
11 Dec - 13 Dec	Ryanair
10 Dec - 12 Dec	Wizz Air Malta
10 Dec - 13 Dec	Ryanair
11 Dec - 15 Dec	Wizz Air Malta
10 Dec - 15 Dec	Wizz Air Malta
12 Dec - 14 Dec	Ryanair
12 Dec - 05 Jan	Norwegian Air Sweden AOC
31 Dec - 08 Jan	Ryanair
15 Dec - 05 Jan	Wizz Air Malta
13 Dec - 05 Jan	Wizz Air Malta
18 Dec - 05 Jan	Vueling Airlines
31 Dec - 06 Jan	Ryanair
25 Dec - 01 Jan	airBaltic
19 Dec - 06 Jan	Norwegian Air Sweden AOC
19 Dec - 07 Jan	Norwegian Air Sweden AOC
22 Dec - 01 Jan	airBaltic

Also check the deals for one-way flights from Barcelona to Helsinki in December.

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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Cheapest return flights from Barcelona to Helsinki in December from $159

Return flights