AirHint found the following cheapest return flights from Charleston (CHS) to Madrid (MAD) in December 2025 (see full year).
Return flights
| 02 Dec - 27 Dec | Finnair | ||
| 23 Dec - 31 Dec | Allegiant Air | ||
| 19 Dec - 31 Dec | Spirit Airlines | ||
| 18 Dec - 01 Jan | Spirit Airlines | ||
| 21 Dec - 02 Jan | Breeze Airways |
Also check the deals for one-way flights from Charleston to Madrid in December.
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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.
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