AirHint found the following cheapest return flights from Southampton (SOU) to Charleroi (CRL) in October 2025 (see full year).
Return flights
| 17 Oct - 18 Oct | Aer Lingus | ||
| 18 Oct - 25 Oct | easyJet | ||
| 19 Oct - 26 Oct | easyJet | ||
| 24 Oct - 26 Oct | Aurigny |
Also check the deals for one-way flights from Southampton to Charleroi in October.
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