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

Return flights

31 Dec - 03 Jan	Ryanair	direct
13 Dec - 03 Jan	Ryanair	direct
13 Dec - 29 Dec	Ryanair	direct
06 Dec - 15 Dec	Ryanair	direct
22 Dec - 29 Dec	Ryanair	direct
01 Dec - 15 Dec	Ryanair	direct
06 Dec - 10 Dec	Ryanair
01 Dec - 08 Dec	Ryanair	direct
13 Dec - 16 Dec	Ryanair
27 Dec - 29 Dec	Vueling Airlines
12 Dec - 15 Dec	Ryanair
13 Dec - 31 Dec	Ryanair	direct
27 Dec - 03 Jan	Ryanair	direct

Also check the deals for one-way flights from Santander to Charleroi 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 Santander to Charleroi in December from 68€

Return flights