AirHint found the following cheapest return flights from Charlotte (CLT) to Buenos Aires (AEP) in December 2025 (see full year).
Return flights
| 07 Dec - 14 Dec | Frontier Airlines | ||
| 05 Dec - 04 Jan | Spirit Airlines | ||
| 19 Dec - 30 Dec | Frontier Airlines |
Also check the deals for one-way flights from Charlotte to Buenos Aires 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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