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

Return flights

05 Dec - 26 Dec	Delta
02 Dec - 15 Dec	Delta
31 Dec - 13 Jan	Delta
10 Dec - 27 Dec	WestJet
10 Dec - 30 Dec	Porter Airlines (Canada) Ltd
10 Dec - 15 Jan	Delta
22 Dec - 01 Jan	Porter Airlines (Canada) Ltd
27 Dec - 12 Jan	Air France
24 Dec - 09 Jan	Delta
24 Dec - 06 Jan	Delta
12 Dec - 06 Jan	Delta
11 Dec - 06 Jan	Delta
25 Dec - 05 Jan	Delta
16 Dec - 05 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 979€

Return flights