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

Return flights

15 Dec - 22 Dec	jetBlue
15 Dec - 29 Dec	jetBlue
25 Dec - 30 Dec	Spirit Airlines
16 Dec - 23 Dec	Aer Lingus
17 Dec - 24 Dec	Aer Lingus
20 Dec - 30 Dec	Frontier Airlines
22 Dec - 27 Dec	jetBlue
26 Dec - 28 Dec	Air Canada
16 Dec - 29 Dec	Air Canada
23 Dec - 31 Dec	Frontier Airlines
29 Dec - 01 Jan	Air Canada
17 Dec - 10 Jan	jetBlue
26 Dec - 05 Jan	Air Canada
28 Dec - 02 Jan	Air Canada
29 Dec - 02 Jan	Spirit Airlines
17 Dec - 10 Jan	Finnair	direct
26 Dec - 05 Jan	Finnair	direct
29 Dec - 01 Jan	Finnair	direct
28 Dec - 02 Jan	Finnair	direct
30 Dec - 02 Jan	Iberia	direct

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 $917

Return flights