AirHint found the following cheapest return flights from Washington (IAD) to Charleroi (CRL) in May 2026 (see full year).
Return flights
| 05 May - 09 May | Air Canada | ||
| 06 May - 11 May | Air Canada | ||
| 05 May - 23 May | Austrian Airlines | ||
| 05 May - 10 May | Air Canada | ||
| 09 May - 16 May | Aer Lingus | ||
| 24 May - 30 May | Scandinavian Airlines | ||
| 05 May - 21 May | TAP |
Also check the deals for one-way flights from Washington to Charleroi in May.
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