Cheapest one-way flights from Philadelphia to Frankfurt in September from 293€

AirHint found the following cheapest one-way flights from Philadelphia (PHL) to Frankfurt (FRA) in September 2025 (see full year).

One-Way flights

24 Sep Spirit Airlines
22 Sep Frontier Airlines
21 Sep Spirit Airlines
19 Sep Frontier Airlines
30 Sep Frontier Airlines
30 Sep United direct
24 Sep United direct
21 Sep United direct
22 Sep United direct
25 Sep United direct

Also check the deals for return flights from Philadelphia to Frankfurt in September.

Skyscanner

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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