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

Return flights

29 Sep - 06 Oct	Air Arabia
24 Sep - 30 Sep	Air Arabia
22 Sep - 30 Sep	Air Arabia
23 Sep - 30 Sep	Air Arabia
20 Sep - 25 Sep	Air Arabia
20 Sep - 26 Sep	Air Arabia
13 Sep - 18 Sep	Air Arabia
19 Sep - 25 Sep	Gulf Air
10 Sep - 20 Sep	Gulf Air
25 Sep - 15 Oct	Air Arabia
24 Sep - 01 Oct	Qatar Airways
28 Sep - 05 Oct	Air Arabia
16 Sep - 23 Sep	Qatar Airways
15 Sep - 20 Sep	Qatar Airways
24 Sep - 01 Oct	Turkish Airlines	direct
29 Sep - 06 Oct	Turkish Airlines	direct
28 Sep - 05 Oct	Turkish Airlines	direct

Also check the deals for one-way flights from Nairobi to Istanbul 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 Istanbul in September from 394€

Return flights