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

Return flights

18 Aug - 28 Aug	Frontier Airlines
24 Aug - 02 Sep	Frontier Airlines
11 Aug - 24 Aug	Spirit Airlines
18 Aug - 25 Aug	Frontier Airlines
28 Aug - 11 Sep	Spirit Airlines
18 Aug - 26 Aug	Frontier Airlines
14 Aug - 19 Aug	Spirit Airlines
12 Aug - 18 Aug	Frontier Airlines
15 Aug - 19 Aug	Frontier Airlines
14 Aug - 25 Aug	Frontier Airlines
02 Aug - 05 Aug	Frontier Airlines
01 Aug - 08 Aug	Spirit Airlines
29 Aug - 28 Sep	Frontier Airlines

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 608€

Return flights