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

Return flights

08 Dec - 13 Dec	Ryanair
06 Dec - 08 Dec	Ryanair
08 Dec - 13 Dec	Ryanair	direct
06 Dec - 13 Dec	Ryanair	direct
06 Dec - 08 Dec	Ryanair	direct
08 Dec - 20 Dec	Ryanair	direct
06 Dec - 20 Dec	Ryanair	direct
05 Dec - 10 Dec	Vueling Airlines
20 Dec - 24 Dec	Ryanair

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 101€

Return flights