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

Return flights

02 Dec - 31 Jan	Turkish Airlines
03 Dec - 31 Jan	Turkish Airlines
06 Dec - 31 Jan	Turkish Airlines
05 Dec - 29 Dec	Ethiopian Airlines
01 Dec - 29 Dec	KLM
01 Dec - 28 Dec	British Airways
02 Dec - 05 Jan	Ethiopian Airlines
05 Dec - 05 Jan	British Airways
31 Dec - 05 Jan	British Airways
05 Dec - 04 Jan	Ethiopian Airlines

Also check the deals for one-way flights from Chicago to Nairobi 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 Nairobi in December from 749€

Return flights