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

Return flights

20 Sep - 27 Sep	Ethiopian Airlines
21 Sep - 04 Oct	Ethiopian Airlines
20 Sep - 03 Oct	Ethiopian Airlines
19 Sep - 26 Sep	Kenya Airways	direct
22 Sep - 05 Oct	Kenya Airways	direct
17 Sep - 19 Sep	Ethiopian Airlines
19 Sep - 21 Sep	Ethiopian Airlines
21 Sep - 28 Sep	Ethiopian Airlines
17 Sep - 19 Sep	Kenya Airways	direct
20 Sep - 27 Sep	Kenya Airways	direct
20 Sep - 03 Oct	Kenya Airways	direct

Also check the deals for one-way flights from Nairobi to Antananarivo 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 Antananarivo in September from 561€

Return flights