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

Return flights

29 Sep - 02 Oct	Ethiopian Airlines
21 Sep - 28 Sep	Ethiopian Airlines
14 Sep - 19 Sep	Qatar Airways
08 Sep - 12 Sep	Ethiopian Airlines
29 Sep - 02 Oct	EgyptAir	direct
29 Sep - 06 Oct	EgyptAir	direct
01 Sep - 30 Sep	Etihad Airways
02 Sep - 08 Sep	Ethiopian Airlines
01 Sep - 20 Sep	Air Arabia
01 Sep - 06 Sep	Air Arabia
01 Sep - 14 Sep	Air Arabia
01 Sep - 30 Sep	EgyptAir	direct
01 Sep - 20 Sep	EgyptAir	direct

Also check the deals for one-way flights from Cairo 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.

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Cheapest return flights from Cairo to Nairobi in September from $473

Return flights