AirHint found the following cheapest return flights from Philadelphia (PHL) to Frankfurt (FRA) in April 2026 (see full year).
Return flights
| 16 Apr - 24 Apr | Air France | ||
| 23 Apr - 26 Apr | Delta | ||
| 17 Apr - 25 Apr | Delta | ||
| 27 Apr - 30 Apr | Frontier Airlines | ||
| 23 Apr - 26 Apr | Discover Airlines | direct | |
| 16 Apr - 24 Apr | Lufthansa | direct |
Also check the deals for one-way flights from Philadelphia to Frankfurt in April.
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