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

Return flights

02 Dec - 16 Dec	Delta
05 Dec - 26 Dec	Delta
09 Dec - 30 Dec	Delta
10 Dec - 30 Dec	Delta
27 Dec - 12 Jan	Delta
17 Dec - 17 Jan	Delta
21 Dec - 16 Jan	Delta
21 Dec - 15 Jan	Delta
17 Dec - 15 Jan	Delta
22 Dec - 15 Jan	Virgin Atlantic
23 Dec - 08 Jan	Delta
17 Dec - 03 Jan	Delta

Also check the deals for one-way flights from Chicago 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 Chicago to Lagos in December from 1112€

Return flights