AirHint found the following cheapest one-way flights from Boston (BOS) to Frankfurt (FRA) in April 2026 (see full year).
One-Way flights
| 11 Apr | Icelandair | ||
| 15 Apr | jetBlue | ||
| 21 Apr | Azores Airlines | ||
| 17 Apr | Frontier Airlines | ||
| 11 Apr | Brussels Airlines | direct | |
| 21 Apr | United | direct | |
| 15 Apr | United | direct | |
| 17 Apr | Lufthansa | direct |
Also check the deals for return flights from Boston to Frankfurt in April.
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