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

Return flights

06 Sep - 14 Sep	Air India
04 Sep - 10 Sep	Air India
07 Sep - 14 Sep	Air India
21 Sep - 28 Sep	Air India
04 Sep - 11 Sep	Ethiopian Airlines
03 Sep - 13 Sep	Etihad Airways
05 Sep - 12 Sep	Ethiopian Airlines
17 Sep - 20 Sep	Etihad Airways
01 Sep - 04 Sep	Qatar Airways
05 Sep - 13 Sep	Etihad Airways
27 Sep - 12 Oct	Air India
27 Sep - 13 Oct	Etihad Airways
26 Sep - 09 Oct	Etihad Airways
28 Sep - 10 Oct	Ethiopian Airlines
28 Sep - 11 Oct	Ethiopian Airlines
27 Sep - 10 Oct	Ethiopian Airlines
30 Sep - 10 Oct	Etihad Airways
28 Sep - 12 Oct	Etihad Airways

Also check the deals for one-way flights from Seoul 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 Seoul to Nairobi in September from $658

Return flights