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

Return flights

03 Dec - 10 Dec	Aer Lingus
02 Dec - 09 Dec	KLM
12 Dec - 16 Dec	Aer Lingus
05 Dec - 12 Dec	Aer Lingus
12 Dec - 16 Dec	Finnair	direct
10 Dec - 21 Dec	Finnair	direct
16 Dec - 30 Dec	Air Canada
15 Dec - 05 Jan	Lufthansa
10 Dec - 27 Dec	United
04 Dec - 30 Dec	United
06 Dec - 13 Dec	Aer Lingus
29 Dec - 06 Jan	Lufthansa
28 Dec - 06 Jan	United
23 Dec - 06 Jan	Air Canada
23 Dec - 07 Jan	Air Canada
29 Dec - 06 Jan	Iberia	direct
23 Dec - 06 Jan	Iberia	direct
17 Dec - 07 Jan	British Airways
14 Dec - 03 Jan	United
21 Dec - 05 Jan	British Airways

Also check the deals for one-way flights from Philadelphia to Paris 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 Paris in December from 486€

Return flights