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

Return flights

29 Sep - 21 Oct	Brussels Airlines
30 Sep - 14 Oct	Brussels Airlines
25 Sep - 07 Oct	EgyptAir
23 Sep - 04 Oct	EgyptAir
23 Sep - 07 Oct	EgyptAir
25 Sep - 11 Oct	EgyptAir
26 Sep - 04 Oct	EgyptAir
24 Sep - 07 Oct	EgyptAir
24 Sep - 11 Oct	EgyptAir
30 Sep - 22 Oct	Brussels Airlines
24 Sep - 27 Sep	Air France
25 Sep - 30 Sep	KLM
25 Sep - 29 Sep	Air France
26 Sep - 30 Sep	KLM
27 Sep - 30 Sep	KLM
22 Sep - 30 Sep	Air France
22 Sep - 27 Sep	Air France
23 Sep - 30 Sep	KLM
23 Sep - 29 Sep	Air France
22 Sep - 29 Sep	Air France

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.

Book a cheap hotel in Nairobi

Cheap car rent in Nairobi

Cheapest return flights from London to Nairobi in September from 483€

Return flights