AirHint found the following cheapest return flights from Brussels (BRU) to Santander (SDR) in January 2026 (see full year).

Return flights

17 Jan - 24 Jan	Ryanair	direct
17 Jan - 26 Jan	Ryanair	direct
05 Jan - 24 Jan	Ryanair	direct
19 Jan - 24 Jan	Ryanair	direct
19 Jan - 26 Jan	Ryanair	direct
05 Jan - 10 Jan	Ryanair	direct
05 Jan - 17 Jan	Ryanair	direct
03 Jan - 10 Jan	Ryanair	direct
03 Jan - 24 Jan	Ryanair
03 Jan - 17 Jan	Ryanair	direct

Also check the deals for one-way flights from Brussels to Santander in January.

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 Brussels to Santander in January from $85

Return flights