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

Return flights

02 Dec - 09 Dec	United
05 Dec - 07 Dec	Delta
29 Dec - 30 Jan	United
28 Dec - 28 Jan	United
05 Dec - 26 Dec	Delta
30 Dec - 14 Jan	United
05 Dec - 29 Dec	Delta
10 Dec - 27 Dec	Aer Lingus
24 Dec - 25 Jan	United
25 Dec - 25 Jan	KLM
25 Dec - 26 Jan	KLM
23 Dec - 25 Jan	Frontier Airlines
23 Dec - 26 Jan	Frontier Airlines
26 Dec - 16 Jan	Spirit Airlines
23 Dec - 12 Jan	Frontier Airlines
10 Dec - 30 Dec	Aer Lingus
17 Dec - 19 Dec	Ethiopian Airlines
22 Dec - 31 Dec	Frontier Airlines
21 Dec - 31 Dec	jetBlue
20 Dec - 31 Dec	Ethiopian Airlines

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