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

Return flights

28 Sep - 18 Oct	Brussels Airlines
29 Sep - 17 Oct	Brussels Airlines
29 Sep - 18 Oct	Brussels Airlines
16 Sep - 07 Oct	RwandAir
16 Sep - 14 Oct	Qatar Airways
25 Sep - 02 Oct	RwandAir
25 Sep - 09 Oct	Qatar Airways
20 Sep - 02 Oct	RwandAir
27 Sep - 18 Oct	RwandAir
13 Sep - 02 Oct	RwandAir
25 Sep - 30 Sep	Qatar Airways
08 Sep - 15 Sep	SWISS
03 Sep - 21 Sep	Brussels Airlines
11 Sep - 27 Sep	Ethiopian Airlines
24 Sep - 28 Sep	Qatar Airways
24 Sep - 30 Sep	Qatar Airways
10 Sep - 29 Sep	Qatar Airways
24 Sep - 29 Sep	Qatar Airways
06 Sep - 30 Sep	EgyptAir
15 Sep - 25 Sep	Brussels Airlines

Also check the deals for one-way flights from Brussels to Kigali 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 Brussels to Kigali in September from $616

Return flights