Cheapest return flights from Atlanta to San Juan in December from 143€

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

Return flights

01 Dec - 06 Dec Frontier Airlines
01 Dec - 10 Dec Frontier Airlines
05 Dec - 09 Dec Spirit Airlines
06 Dec - 09 Dec Spirit Airlines
09 Dec - 11 Dec Spirit Airlines
02 Dec - 06 Dec Spirit Airlines
12 Dec - 20 Dec Spirit Airlines
11 Dec - 20 Dec Spirit Airlines
07 Dec - 10 Dec Frontier Airlines
01 Dec - 31 Dec Frontier Airlines
31 Dec - 07 Jan Frontier Airlines
31 Dec - 13 Jan Spirit Airlines
31 Dec - 12 Jan Spirit Airlines
31 Dec - 10 Jan Spirit Airlines
31 Dec - 08 Jan Spirit Airlines
30 Dec - 08 Jan Spirit Airlines
30 Dec - 13 Jan Spirit Airlines
30 Dec - 12 Jan Spirit Airlines
30 Dec - 10 Jan Spirit Airlines
31 Dec - 11 Jan Spirit Airlines

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

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