Cheapest return flights from Atlanta to Buenos Aires in December from $749

AirHint found the following cheapest return flights from Atlanta (ATL) to Buenos Aires (EZE) in December 2025 (see full year).

Return flights

09 Dec - 16 Dec Spirit Airlines
07 Dec - 14 Dec Spirit Airlines
05 Dec - 20 Dec Frontier Airlines
16 Dec - 30 Dec Spirit Airlines
27 Dec - 01 Jan Frontier Airlines
26 Dec - 01 Jan Frontier Airlines
20 Dec - 01 Jan Frontier Airlines
26 Dec - 08 Jan Frontier Airlines
16 Dec - 30 Dec Delta direct
27 Dec - 03 Jan Frontier Airlines
07 Dec - 14 Dec Delta direct
05 Dec - 13 Dec Delta
29 Dec - 09 Jan Delta direct
13 Dec - 09 Jan Delta
26 Dec - 08 Jan Delta direct
27 Dec - 01 Jan Delta direct
26 Dec - 01 Jan Delta direct

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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