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

Return flights

27 Sep - 10 Oct	Air Arabia
30 Sep - 03 Oct	Air Arabia
25 Sep - 09 Oct	Air Arabia
24 Sep - 03 Oct	Air Arabia
22 Sep - 26 Sep	Air Arabia
21 Sep - 22 Sep	Air Arabia
25 Sep - 30 Sep	Air Arabia
21 Sep - 14 Oct	Air Arabia
25 Sep - 29 Sep	Air Arabia
23 Sep - 30 Sep	Air Arabia
26 Sep - 30 Sep	Air Arabia
26 Sep - 05 Oct	Air Arabia
27 Sep - 31 Oct	Air Arabia
21 Sep - 26 Sep	Air Arabia
19 Sep - 04 Oct	Gulf Air
28 Sep - 05 Oct	Air Arabia
17 Sep - 20 Sep	Kenya Airways
21 Sep - 29 Sep	Air Arabia
20 Sep - 10 Oct	Air Arabia
19 Sep - 30 Sep	Gulf Air

Also check the deals for one-way flights from Nairobi 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 Nairobi to London in September from 576€

Return flights