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

Return flights

11 Dec - 18 Dec	Qatar Airways
01 Dec - 15 Dec	British Airways
27 Dec - 17 Jan	Qatar Airways
09 Dec - 20 Jan	British Airways
01 Dec - 19 Dec	British Airways
29 Dec - 14 Jan	British Airways
20 Dec - 20 Jan	Qatar Airways
23 Dec - 11 Jan	Delta
28 Dec - 13 Jan	British Airways
28 Dec - 09 Jan	Delta
12 Dec - 26 Jan	British Airways
23 Dec - 30 Dec	British Airways
19 Dec - 03 Jan	Frontier Airlines
08 Dec - 02 Jan	British Airways

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 $1186

Return flights