Cheapest return flights from Atlanta to San Juan in December from 161€

AirHint found the following cheapest return flights from Atlanta (ATL) to San Juan (SJU) in December 2025 (see full year).

Return flights

31 Dec - 07 Jan Frontier Airlines
31 Dec - 14 Jan Spirit Airlines
31 Dec - 16 Jan Spirit Airlines
31 Dec - 15 Jan Spirit Airlines
31 Dec - 09 Jan Spirit Airlines
31 Dec - 01 Jan Frontier Airlines
30 Dec - 07 Jan Frontier Airlines
30 Dec - 14 Jan Spirit Airlines
30 Dec - 16 Jan Spirit Airlines
30 Dec - 15 Jan Spirit Airlines
25 Dec - 31 Dec Frontier Airlines
30 Dec - 31 Dec Spirit Airlines
30 Dec - 30 Dec Spirit Airlines
27 Dec - 29 Dec Frontier Airlines
27 Dec - 30 Dec Frontier Airlines
27 Dec - 31 Dec Frontier Airlines
26 Dec - 30 Dec Frontier Airlines
25 Dec - 29 Dec Frontier Airlines
25 Dec - 28 Dec Frontier Airlines
25 Dec - 27 Dec Frontier Airlines

Also check the deals for one-way flights from Atlanta to San Juan in December.

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