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

Return flights

30 Dec - 13 Jan	jetBlue
04 Dec - 11 Dec	United
24 Dec - 31 Dec	Air France
17 Dec - 24 Dec	jetBlue
14 Dec - 21 Dec	United
23 Dec - 02 Jan	Lufthansa
17 Dec - 24 Dec	Iberia	direct
18 Dec - 03 Jan	Air Canada
18 Dec - 03 Jan	Finnair	direct
23 Dec - 02 Jan	Finnair	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 $597

Return flights