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

Return flights

31 Aug - 04 Sep	Vueling Airlines
31 Aug - 08 Sep	Vueling Airlines
31 Aug - 09 Sep	Vueling Airlines
26 Aug - 04 Sep	Vueling Airlines
26 Aug - 08 Sep	Vueling Airlines
31 Aug - 12 Sep	Vueling Airlines
31 Aug - 15 Sep	Vueling Airlines
26 Aug - 09 Sep	Vueling Airlines
26 Aug - 12 Sep	Vueling Airlines
27 Aug - 04 Sep	Vueling Airlines
22 Aug - 28 Aug	KLM
20 Aug - 27 Aug	KLM
28 Aug - 29 Aug	Aer Lingus
21 Aug - 25 Aug	KLM
22 Aug - 25 Aug	KLM
06 Aug - 07 Aug	Vueling Airlines
13 Aug - 26 Aug	easyJet
26 Aug - 27 Aug	Vueling Airlines
26 Aug - 30 Aug	Vueling Airlines
21 Aug - 24 Aug	KLM

Also check the deals for one-way flights from Paris to Brussels 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 Paris to Brussels in August from 161€

Return flights