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

Return flights

09 Dec - 19 Dec	EgyptAir
29 Dec - 20 Jan	Saudia
29 Dec - 18 Jan	Saudia
29 Dec - 19 Jan	Etihad Airways
31 Dec - 19 Jan	Etihad Airways
08 Dec - 16 Dec	Ethiopian Airlines
29 Dec - 17 Jan	Saudia
10 Dec - 17 Dec	Ethiopian Airlines
29 Dec - 16 Jan	Etihad Airways
28 Dec - 19 Jan	Etihad Airways
11 Dec - 18 Dec	Ethiopian Airlines
12 Dec - 21 Dec	Ethiopian Airlines
27 Dec - 10 Jan	Etihad Airways
09 Dec - 02 Jan	EgyptAir
10 Dec - 02 Jan	Ethiopian Airlines

Also check the deals for one-way flights from Washington to Addis Ababa in December.

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 Washington to Addis Ababa in December from 835€

Return flights