AirHint found the following cheapest one-way flights from Boston (BOS) to Frankfurt (FRA) in April 2026 (see full year).
One-Way flights
| 25 Apr | Icelandair | ||
| 20 Apr | Icelandair | ||
| 23 Apr | Icelandair | ||
| 28 Apr | Icelandair | ||
| 13 Apr | Icelandair | ||
| 27 Apr | Aer Lingus | ||
| 14 Apr | Lufthansa | ||
| 12 Apr | SWISS | ||
| 18 Apr | Virgin Atlantic | ||
| 11 Apr | Turkish Airlines |
Also check the deals for return flights from Boston to Frankfurt in April.
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