AirHint found the following cheapest return flights from Istanbul (IST) to Charleroi (CRL) in April 2026 (see full year).
Return flights
| 06 Apr - 11 Apr | Turkish Airlines | ||
| 10 Apr - 13 Apr | Wizz Air | ||
| 30 Apr - 04 May | Turkish Airlines | ||
| 19 Apr - 24 Apr | Turkish Airlines | ||
| 10 Apr - 18 Apr | Wizz Air |
Also check the deals for one-way flights from Istanbul to Charleroi in April.
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