AirHint found the following cheapest return flights from Brussels (BRU) to Amsterdam (AMS) in December 2025 (see full year).

Return flights

14 Dec - 17 Dec	Ryanair
15 Dec - 15 Dec	Ryanair
02 Dec - 06 Dec	Ryanair
08 Dec - 10 Dec	Ryanair
05 Dec - 08 Dec	Ryanair
11 Dec - 14 Dec	Vueling Airlines
15 Dec - 17 Dec	Ryanair
10 Dec - 14 Dec	Aer Lingus
13 Dec - 14 Dec	Ryanair
18 Dec - 01 Jan	Ryanair
14 Dec - 17 Dec	KLM	direct
24 Dec - 06 Jan	KLM	direct
18 Dec - 01 Jan	KLM	direct
31 Dec - 01 Jan	Ryanair
31 Dec - 01 Jan	KLM	direct

Also check the deals for one-way flights from Brussels to Amsterdam 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 Brussels to Amsterdam in December from 154€

Return flights