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

Return flights

15 Sep - 20 Sep	RwandAir	direct
04 Sep - 04 Sep	RwandAir	direct
07 Sep - 15 Sep	Kenya Airways	direct
14 Sep - 23 Sep	Kenya Airways	direct
20 Sep - 23 Sep	Kenya Airways	direct
02 Sep - 07 Sep	Kenya Airways	direct
07 Sep - 08 Sep	Kenya Airways	direct
10 Sep - 13 Sep	Kenya Airways	direct
13 Sep - 16 Sep	Kenya Airways	direct
14 Sep - 14 Sep	Kenya Airways	direct

Also check the deals for one-way flights from Nairobi 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 Nairobi to Kigali in September from $372

Return flights