AirHint found the following cheapest return flights from Philadelphia (PHL) to Frankfurt (FRA) in April 2026 (see full year).
Return flights
| 18 Apr - 02 May | Aer Lingus | ||
| 15 Apr - 29 Apr | Air Canada | ||
| 30 Apr - 07 May | Lufthansa | direct | |
| 25 Apr - 02 May | Lufthansa |
Also check the deals for one-way flights from Philadelphia to Frankfurt in April.
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