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

Return flights

18 Sep - 25 Sep	KLM
18 Sep - 23 Sep	KLM
20 Sep - 21 Oct	KLM
25 Sep - 09 Oct	KLM
29 Sep - 12 Oct	KLM
25 Sep - 11 Oct	KLM
20 Sep - 24 Sep	KLM
19 Sep - 05 Oct	KLM
30 Sep - 10 Oct	Qatar Airways
27 Sep - 04 Oct	RwandAir
26 Sep - 30 Sep	KLM
20 Sep - 27 Sep	RwandAir
27 Sep - 03 Oct	EgyptAir
18 Sep - 01 Oct	KLM
26 Sep - 03 Oct	Qatar Airways
22 Sep - 30 Sep	KLM
24 Sep - 30 Sep	KLM
22 Sep - 28 Sep	EgyptAir
24 Sep - 28 Sep	Ethiopian Airlines
22 Sep - 29 Sep	KLM

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 $603

Return flights