Cheapest return flights from Philadelphia to Frankfurt in August from $651

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

Return flights

11 Aug - 18 Aug Frontier Airlines
19 Aug - 26 Aug Air Canada
05 Aug - 19 Aug Air Canada
13 Aug - 20 Aug Air France
27 Aug - 10 Sep Air Canada
18 Aug - 27 Aug Lufthansa direct
27 Aug - 03 Sep United
10 Aug - 17 Aug Frontier Airlines
24 Aug - 07 Sep Aer Lingus
15 Aug - 22 Aug United
21 Aug - 28 Aug United direct
19 Aug - 26 Aug Discover Airlines direct
07 Aug - 14 Aug Air France
27 Aug - 10 Sep Discover Airlines direct
27 Aug - 03 Sep Discover Airlines direct
25 Aug - 01 Sep United
29 Aug - 05 Sep Lufthansa direct
31 Aug - 07 Sep Discover Airlines direct
24 Aug - 07 Sep Discover Airlines direct
25 Aug - 01 Sep Discover Airlines direct

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

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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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