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

Return flights

19 Oct - 31 Oct	Turkish Airlines
16 Oct - 26 Oct	Ethiopian Airlines
22 Oct - 02 Nov	Ethiopian Airlines
12 Oct - 19 Oct	Ethiopian Airlines
08 Oct - 15 Nov	Ethiopian Airlines
15 Oct - 26 Oct	Ethiopian Airlines
07 Oct - 14 Oct	Turkish Airlines
16 Oct - 01 Nov	Delta

Also check the deals for one-way flights from Chicago to Lagos in October.

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 October from $840

Return flights