AirHint found the following cheapest return flights from Houston (IAH) to Charleroi (CRL) in December 2025 (see full year).
Return flights
| 04 Dec - 11 Dec | WestJet | ||
| 24 Dec - 10 Jan | Spirit Airlines | ||
| 29 Dec - 04 Jan | Lufthansa |
Also check the deals for one-way flights from Houston to Charleroi in December.
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