Cheapest return flights from Atlanta to San Juan in December from 177€

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

Return flights

06 Dec - 09 Dec Frontier Airlines direct
08 Dec - 12 Dec Spirit Airlines
30 Dec - 13 Jan Frontier Airlines direct
10 Dec - 15 Dec Frontier Airlines
07 Dec - 10 Dec Spirit Airlines
06 Dec - 15 Dec Spirit Airlines
06 Dec - 08 Dec Spirit Airlines
07 Dec - 10 Dec Frontier Airlines direct
30 Dec - 06 Jan Frontier Airlines
11 Dec - 18 Dec Frontier Airlines
06 Dec - 14 Dec Frontier Airlines
04 Dec - 06 Dec Spirit Airlines
29 Dec - 06 Jan Frontier Airlines
23 Dec - 14 Jan Frontier Airlines
30 Dec - 01 Jan Frontier Airlines direct
25 Dec - 08 Jan Frontier Airlines
29 Dec - 01 Jan Frontier Airlines direct
28 Dec - 01 Jan Frontier Airlines direct
14 Dec - 01 Jan Frontier Airlines
26 Dec - 13 Jan Frontier Airlines direct

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

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