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

Return flights

08 Dec - 16 Dec	Aer Lingus
01 Dec - 17 Dec	Aer Lingus
08 Dec - 16 Dec	Iberia	direct
10 Dec - 17 Dec	KLM
29 Dec - 24 Jan	United
15 Dec - 10 Jan	Frontier Airlines
29 Dec - 24 Jan	Finnair	direct
23 Dec - 17 Jan	Air Canada
27 Dec - 17 Jan	Air Canada
04 Dec - 11 Dec	Air France
26 Dec - 17 Jan	United
06 Dec - 13 Dec	KLM
01 Dec - 27 Dec	Lufthansa
02 Dec - 27 Dec	Lufthansa
11 Dec - 29 Dec	Frontier Airlines
13 Dec - 05 Jan	Lufthansa
31 Dec - 07 Jan	Air France
25 Dec - 31 Dec	United
15 Dec - 10 Jan	Finnair	direct
15 Dec - 05 Jan	Frontier Airlines

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 481€

Return flights