AirHint found the following cheapest return flights from Boston (BOS) to Charleroi (CRL) in April 2026 (see full year).
Return flights
| 05 Apr - 10 Apr | Icelandair | ||
| 11 Apr - 17 Apr | Icelandair | ||
| 08 Apr - 16 Apr | SWISS | ||
| 01 Apr - 06 Apr | SWISS | ||
| 01 Apr - 05 Apr | SWISS |
Also check the deals for one-way flights from Boston to Charleroi in April.
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