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

Return flights

01 Dec - 08 Dec	Delta
09 Dec - 01 Jan	Delta
01 Dec - 04 Jan	Ethiopian Airlines
09 Dec - 11 Jan	Ethiopian Airlines
05 Dec - 06 Jan	Ethiopian Airlines
26 Dec - 24 Jan	Delta
17 Dec - 23 Dec	British Airways
01 Dec - 05 Jan	Qatar Airways
23 Dec - 24 Jan	Ethiopian Airlines
25 Dec - 31 Dec	Ethiopian Airlines
22 Dec - 10 Jan	Ethiopian Airlines
17 Dec - 18 Dec	Ethiopian Airlines
17 Dec - 10 Jan	Ethiopian Airlines
18 Dec - 03 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 820€

Return flights