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

Return flights

03 Dec - 10 Dec	Royal Air Maroc
04 Dec - 13 Dec	Delta
08 Dec - 31 Jan	Delta
31 Dec - 27 Jan	Delta
04 Dec - 13 Dec	United	direct
10 Dec - 31 Jan	Virgin Atlantic
05 Dec - 28 Jan	Royal Air Maroc
09 Dec - 17 Dec	Delta
13 Dec - 23 Dec	Delta
11 Dec - 22 Dec	Delta
29 Dec - 22 Jan	Ethiopian Airlines
27 Dec - 30 Jan	Delta
28 Dec - 30 Jan	Delta
27 Dec - 23 Jan	Delta
27 Dec - 21 Jan	Delta
07 Dec - 11 Jan	Royal Air Maroc
06 Dec - 27 Dec	EgyptAir
03 Dec - 10 Dec	United	direct
02 Dec - 29 Dec	Ethiopian Airlines
06 Dec - 29 Dec	EgyptAir

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 918€

Return flights