AirHint found the following cheapest one-way flights from Philadelphia (PHL) to Frankfurt (FRA) in October 2025 (see full year).
One-Way flights
| 27 Oct | Frontier Airlines | ||
| 26 Oct | Frontier Airlines | ||
| 20 Oct | Spirit Airlines | ||
| 28 Oct | Aer Lingus | ||
| 28 Oct | Austrian Airlines | direct | |
| 20 Oct | Lufthansa | direct |
Also check the deals for return flights from Philadelphia to Frankfurt in October.
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