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

Return flights

29 Sep - 06 Oct	RwandAir	direct
19 Sep - 25 Sep	KLM
14 Sep - 17 Sep	EgyptAir
19 Sep - 25 Sep	RwandAir	direct
28 Sep - 05 Oct	EgyptAir
13 Sep - 27 Sep	KLM
15 Sep - 18 Sep	Qatar Airways
03 Sep - 09 Sep	Ethiopian Airlines
03 Sep - 08 Sep	Ethiopian Airlines
02 Sep - 08 Sep	Qatar Airways
20 Sep - 05 Oct	Qatar Airways
08 Sep - 16 Sep	Qatar Airways
02 Sep - 07 Sep	Qatar Airways

Also check the deals for one-way flights from Kigali to London 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 Kigali to London in September from 575€

Return flights