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

Return flights

29 Dec - 22 Jan	Delta
23 Dec - 25 Jan	Frontier Airlines
23 Dec - 26 Jan	Frontier Airlines
29 Dec - 13 Jan	Frontier Airlines
25 Dec - 29 Jan	Frontier Airlines
03 Dec - 17 Dec	Virgin Atlantic
22 Dec - 25 Jan	Frontier Airlines
03 Dec - 22 Jan	Frontier Airlines
11 Dec - 27 Dec	Frontier Airlines
25 Dec - 22 Jan	Frontier Airlines
11 Dec - 26 Dec	Frontier Airlines
05 Dec - 26 Dec	Frontier Airlines
20 Dec - 31 Dec	Frontier Airlines
12 Dec - 27 Dec	Frontier Airlines
10 Dec - 27 Dec	Delta
10 Dec - 30 Dec	Delta
25 Dec - 10 Jan	Frontier Airlines
13 Dec - 31 Dec	Frontier Airlines
24 Dec - 06 Jan	Frontier Airlines
17 Dec - 19 Dec	Porter Airlines (Canada) Ltd

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 $1953

Return flights