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

Return flights

08 Dec - 31 Dec	Kenya Airways
24 Dec - 17 Jan	Ethiopian Airlines
09 Dec - 07 Jan	Kenya Airways
23 Dec - 24 Jan	Air Canada
27 Dec - 15 Jan	Ethiopian Airlines
24 Dec - 20 Jan	Air France
27 Dec - 13 Jan	Ethiopian Airlines
12 Dec - 22 Dec	Ethiopian Airlines
14 Dec - 22 Dec	TAP
23 Dec - 17 Jan	Kenya Airways
05 Dec - 06 Jan	Ethiopian Airlines
26 Dec - 02 Jan	Ethiopian Airlines
13 Dec - 04 Jan	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 $1306

Return flights