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

Return flights

05 Dec - 31 Jan	jetBlue
05 Dec - 10 Dec	Aer Lingus
05 Dec - 09 Dec	Aer Lingus
28 Dec - 09 Jan	Air Canada
12 Dec - 15 Dec	Aer Lingus
05 Dec - 10 Dec	Iberia	direct
05 Dec - 09 Dec	Iberia	direct
12 Dec - 21 Jan	Air Canada
11 Dec - 15 Dec	Spirit Airlines
11 Dec - 19 Dec	Air Canada
11 Dec - 14 Dec	jetBlue
12 Dec - 14 Jan	American Airlines
11 Dec - 14 Dec	Iberia	direct
05 Dec - 31 Jan	Iberia	direct
12 Dec - 19 Dec	Air Canada
12 Dec - 21 Jan	Finnair	direct
23 Dec - 17 Jan	Air Canada
25 Dec - 18 Jan	United
26 Dec - 17 Jan	jetBlue
15 Dec - 06 Jan	Icelandair

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 $589

Return flights