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

Return flights

11 Sep - 26 Sep	Turkish Airlines
12 Sep - 27 Sep	Turkish Airlines
08 Sep - 12 Sep	Turkish Airlines
09 Sep - 13 Sep	Air India
08 Sep - 12 Sep	Ethiopian Airlines	direct
12 Sep - 27 Sep	Ethiopian Airlines	direct

Also check the deals for one-way flights from Singapore 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 Singapore to Addis Ababa in September from $1068

Return flights