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

Return flights

01 Sep - 04 Sep	Kenya Airways	direct
16 Sep - 14 Oct	Kenya Airways	direct
26 Sep - 30 Sep	Kenya Airways	direct
10 Sep - 14 Sep	Jambojet
05 Sep - 07 Sep	Kenya Airways	direct
12 Sep - 14 Sep	Kenya Airways	direct
08 Sep - 10 Sep	Jambojet
09 Sep - 16 Sep	Kenya Airways	direct
16 Sep - 22 Sep	Ethiopian Airlines	direct
10 Sep - 14 Sep	Ethiopian Airlines	direct
01 Sep - 03 Sep	Ethiopian Airlines	direct
29 Sep - 06 Oct	Ethiopian Airlines	direct

Also check the deals for one-way flights from Nairobi to Addis Ababa 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 Addis Ababa in September from 386€

Return flights