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

Return flights

15 Dec - 14 Jan	British Airways
15 Dec - 15 Jan	British Airways
15 Dec - 12 Jan	British Airways
14 Dec - 14 Jan	British Airways
14 Dec - 18 Jan	British Airways
14 Dec - 12 Jan	British Airways
17 Dec - 15 Jan	British Airways
17 Dec - 18 Jan	British Airways
17 Dec - 17 Jan	British Airways
25 Dec - 11 Jan	Delta

Also check the deals for one-way flights from Philadelphia 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 Philadelphia to Nairobi in December from 1181€

Return flights