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

Return flights

28 Sep - 05 Oct	RwandAir
26 Sep - 03 Oct	RwandAir
24 Sep - 26 Sep	RwandAir
24 Sep - 27 Sep	RwandAir
28 Sep - 02 Oct	ASKY Airlines
22 Sep - 27 Sep	Kenya Airways
22 Sep - 03 Oct	Air Tanzania
23 Sep - 07 Oct	Air Tanzania
28 Sep - 01 Oct	Air Tanzania
24 Sep - 28 Sep	ASKY Airlines
30 Sep - 05 Oct	Air Tanzania
27 Sep - 30 Sep	Air Tanzania
27 Sep - 04 Oct	Air Tanzania
26 Sep - 28 Sep	ASKY Airlines
24 Sep - 26 Sep	Kenya Airways	direct
24 Sep - 27 Sep	Kenya Airways	direct
22 Sep - 27 Sep	Kenya Airways	direct
24 Sep - 28 Sep	Kenya Airways	direct
26 Sep - 03 Oct	Kenya Airways	direct
28 Sep - 05 Oct	Kenya Airways	direct

Also check the deals for one-way flights from Johannesburg 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 Johannesburg to Nairobi in September from 287€

Return flights