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

Return flights

04 Dec - 03 Jan	Ethiopian Airlines
04 Dec - 02 Jan	EgyptAir
02 Dec - 29 Dec	EgyptAir
05 Dec - 28 Jan	Emirates
11 Dec - 15 Dec	Iberia
02 Dec - 07 Dec	British Airways
01 Dec - 06 Dec	Ethiopian Airlines
05 Dec - 27 Dec	Ethiopian Airlines
04 Dec - 04 Jan	EgyptAir
04 Dec - 05 Jan	EgyptAir
14 Dec - 14 Jan	Ethiopian Airlines
27 Dec - 19 Jan	EgyptAir
14 Dec - 23 Jan	Royal Air Maroc
09 Dec - 02 Jan	EgyptAir
13 Dec - 08 Jan	Ethiopian Airlines
16 Dec - 26 Dec	EgyptAir
17 Dec - 24 Dec	RwandAir
16 Dec - 23 Dec	RwandAir
18 Dec - 29 Dec	EgyptAir
17 Dec - 31 Dec	Royal Air Maroc

Also check the deals for one-way flights from Washington to Lagos 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 Lagos in December from $1115

Return flights