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

Return flights

11 Sep - 18 Sep	Etihad Airways
10 Sep - 17 Sep	China Eastern
11 Sep - 18 Sep	Asiana Airlines	direct
04 Sep - 12 Sep	Asiana Airlines	direct

Also check the deals for one-way flights from Seoul to Addis Ababa 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 Addis Ababa in September from $725

Return flights