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

Return flights

11 Dec - 13 Dec	Ryanair	direct
01 Dec - 13 Dec	Ryanair	direct
01 Dec - 07 Dec	Ryanair	direct
01 Dec - 08 Dec	Ryanair	direct
11 Dec - 21 Dec	Ryanair	direct
11 Dec - 28 Dec	Ryanair	direct
01 Dec - 21 Dec	Ryanair	direct
22 Dec - 05 Jan	Ryanair	direct
22 Dec - 28 Dec	Ryanair	direct
21 Dec - 05 Jan	Ryanair	direct
21 Dec - 28 Dec	Ryanair	direct
29 Dec - 04 Jan	Ryanair
24 Dec - 31 Dec	Ryanair

Also check the deals for one-way flights from Charleroi 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 Charleroi to Helsinki in December from $122

Return flights