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

Return flights

13 Aug - 20 Aug	jetBlue
18 Aug - 26 Aug	Air Canada
07 Aug - 14 Aug	jetBlue
05 Aug - 21 Aug	Aer Lingus
28 Aug - 11 Sep	Frontier Airlines
18 Aug - 26 Aug	Finnair	direct
19 Aug - 26 Aug	United
10 Aug - 17 Aug	jetBlue
11 Aug - 18 Aug	Spirit Airlines
15 Aug - 22 Aug	United
08 Aug - 15 Aug	Spirit Airlines
24 Aug - 02 Sep	Finnair	direct
25 Aug - 01 Sep	United
28 Aug - 04 Sep	United
30 Aug - 06 Sep	United
28 Aug - 11 Sep	Finnair	direct

Also check the deals for one-way flights from Philadelphia to Paris in August.

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 August from 550€

Return flights