AirHint found the following cheapest return flights from London (LCY) to Nairobi (NBO) in September 2026 (see full year).

Return flights

15 Sep - 24 Sep	SWISS
17 Sep - 29 Sep	SWISS
15 Sep - 29 Sep	SWISS
11 Sep - 20 Sep	SWISS
11 Sep - 27 Sep	SWISS
02 Sep - 19 Sep	SWISS
14 Sep - 30 Sep	KLM
18 Sep - 30 Sep	KLM
07 Sep - 21 Sep	KLM
11 Sep - 19 Sep	KLM
01 Sep - 01 Oct	KLM
18 Sep - 13 Oct	KLM
19 Sep - 04 Oct	KLM
26 Sep - 26 Oct	KLM
17 Sep - 07 Oct	Lufthansa

Also check the deals for one-way flights from London to Nairobi 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 London to Nairobi in September from $642

Return flights