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

Return flights

02 Sep - 06 Sep	Ryanair
22 Sep - 25 Sep	Ryanair
03 Sep - 08 Sep	Wizz Air Malta
26 Sep - 28 Sep	Ryanair
09 Sep - 09 Sep	Ryanair
11 Sep - 14 Sep	Ryanair
01 Sep - 05 Sep	Wizz Air Malta
06 Sep - 07 Sep	Ryanair
19 Sep - 21 Sep	Vueling Airlines
04 Sep - 07 Sep	Ryanair
25 Sep - 27 Oct	Ryanair
30 Sep - 14 Oct	Vueling Airlines
30 Sep - 20 Oct	Vueling Airlines
30 Sep - 02 Oct	Vueling Airlines
30 Sep - 15 Oct	Vueling Airlines
30 Sep - 08 Oct	Vueling Airlines
30 Sep - 01 Oct	Vueling Airlines
23 Sep - 02 Oct	Vueling Airlines
30 Sep - 16 Oct	Vueling Airlines
30 Sep - 07 Oct	Vueling Airlines

Also check the deals for one-way flights from Paris to Brussels in September.

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 September from 142€

Return flights