Cheapest one-way flights from Philadelphia to Frankfurt in September from 239€

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

One-Way flights

15 Sep Frontier Airlines
09 Sep United direct
15 Sep United direct
21 Sep Aer Lingus
21 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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