AirHint found the following cheapest return flights from Atlanta (ATL) to Buenos Aires (AEP) in December 2025 (see full year).
Return flights
| 06 Dec - 09 Dec | Spirit Airlines | ||
| 05 Dec - 20 Dec | Spirit Airlines | ||
| 29 Dec - 09 Jan | Frontier Airlines | ||
| 26 Dec - 08 Jan | Frontier Airlines | ||
| 24 Dec - 03 Jan | Frontier Airlines |
Also check the deals for one-way flights from Atlanta 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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