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

Return flights

11 Dec - 17 Dec	Wizz Air Malta
04 Dec - 10 Dec	Wizz Air Malta
04 Dec - 08 Dec	Wizz Air Malta
04 Dec - 07 Dec	Wizz Air Malta
04 Dec - 09 Dec	Wizz Air Malta
11 Dec - 15 Dec	Wizz Air Malta
10 Dec - 13 Dec	Ryanair
03 Dec - 07 Dec	Wizz Air Malta
25 Dec - 30 Dec	Lufthansa
25 Dec - 31 Dec	Air Europa
29 Dec - 05 Jan	KLM
25 Dec - 03 Jan	Lufthansa
31 Dec - 07 Jan	British Airways
31 Dec - 06 Jan	British Airways
27 Dec - 05 Jan	Air Europa
29 Dec - 03 Jan	Lufthansa
30 Dec - 06 Jan	KLM
25 Dec - 01 Jan	airBaltic
24 Dec - 03 Jan	Air Europa
27 Dec - 03 Jan	Wizz Air Malta

Also check the deals for one-way flights from Madrid 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 Madrid to Helsinki in December from 151€

Return flights