Cheapest return flights from Atlanta to Buenos Aires in January from $812

AirHint found the following cheapest return flights from Atlanta (ATL) to Buenos Aires (AEP) in January 2026 (see full year).

Return flights

19 Jan - 27 Jan Frontier Airlines
20 Jan - 27 Jan Spirit Airlines
19 Jan - 22 Jan Spirit Airlines
13 Jan - 21 Jan Spirit Airlines
12 Jan - 16 Jan Frontier Airlines
01 Jan - 08 Jan Spirit Airlines
02 Jan - 12 Jan LATAM Airlines Group

Also check the deals for one-way flights from Atlanta to Buenos Aires in January.

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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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