AirHint found the following cheapest return flights from Brussels (BRU) to Willemstad (CUR) in August 2025 (see full year).

Return flights

30 Aug - 06 Sep	TUI fly Belgium
23 Aug - 06 Sep	TUI fly Belgium
27 Aug - 10 Sep	KLM
24 Aug - 07 Sep	KLM
27 Aug - 12 Sep	KLM
30 Aug - 05 Sep	TUI fly Belgium
16 Aug - 30 Aug	TUI fly Belgium
25 Aug - 31 Aug	KLM
09 Aug - 16 Aug	Ryanair
12 Aug - 19 Aug	TUI fly Belgium
21 Aug - 28 Aug	Ryanair
12 Aug - 26 Aug	TUI fly Belgium
20 Aug - 01 Sep	KLM
09 Aug - 19 Aug	TUI fly Belgium
15 Aug - 28 Aug	Aer Lingus
17 Aug - 08 Sep	KLM
11 Aug - 22 Aug	Ryanair
04 Aug - 16 Aug	Ryanair

Also check the deals for one-way flights from Brussels to Willemstad in August.

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 Willemstad in August from 676€

Return flights