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

Return flights

01 Sep - 08 Sep	IndiGo
08 Sep - 22 Sep	IndiGo
01 Sep - 30 Sep	IndiGo
24 Sep - 15 Oct	IndiGo
24 Sep - 12 Oct	IndiGo
29 Sep - 12 Oct	IndiGo
26 Sep - 12 Oct	IndiGo
22 Sep - 13 Oct	IndiGo
15 Sep - 15 Oct	Qatar Airways
21 Sep - 12 Oct	Qatar Airways
21 Sep - 21 Sep	Emirates
20 Sep - 11 Oct	Qatar Airways

Also check the deals for one-way flights from Sydney 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 Sydney to Nairobi in September from $1065

Return flights