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

Return flights

03 Sep - 10 Sep	Turkish Airlines
02 Sep - 09 Sep	Turkish Airlines
01 Sep - 01 Oct	Turkish Airlines
18 Sep - 09 Oct	Turkish Airlines
01 Sep - 08 Sep	Turkish Airlines
28 Sep - 15 Oct	Air Canada
27 Sep - 15 Oct	Air Canada

Also check the deals for one-way flights from San Francisco 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 San Francisco to Nairobi in September from $854

Return flights