AirHint found the following cheapest return flights from Houston (IAH) to Charleroi (CRL) in December 2025 (see full year).
Return flights
| 31 Dec - 07 Jan | Spirit Airlines | ||
| 10 Dec - 18 Dec | Spirit Airlines | ||
| 28 Dec - 13 Jan | Turkish Airlines | ||
| 13 Dec - 03 Jan | Spirit Airlines | ||
| 29 Dec - 04 Jan | Spirit Airlines | ||
| 17 Dec - 02 Jan | Spirit Airlines |
Also check the deals for one-way flights from Houston to Charleroi in December.
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