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

Return flights

14 Sep - 28 Sep	Kenya Airways
23 Sep - 14 Oct	Qatar Airways
07 Sep - 14 Sep	Qatar Airways
19 Sep - 25 Sep	Air Canada
20 Sep - 04 Oct	Austrian Airlines
10 Sep - 31 Oct	jetBlue
15 Sep - 03 Oct	jetBlue
09 Sep - 02 Oct	Air Canada
29 Sep - 06 Oct	Emirates
16 Sep - 20 Sep	jetBlue
20 Sep - 30 Sep	Emirates

Also check the deals for one-way flights from Washington 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.

Book a cheap hotel in Addis Ababa

Cheap car rent in Addis Ababa

Cheapest return flights from Washington to Addis Ababa in September from $1299

Return flights