Cheapest return flights from Los Angeles to San Juan in December from $208

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

Return flights

06 Dec - 11 Dec Spirit Airlines
06 Dec - 13 Dec Spirit Airlines
06 Dec - 07 Dec Spirit Airlines
07 Dec - 11 Dec Spirit Airlines
08 Dec - 13 Dec Spirit Airlines
13 Dec - 16 Dec Spirit Airlines
10 Dec - 16 Dec Frontier Airlines
08 Dec - 11 Dec Spirit Airlines
06 Dec - 24 Dec Spirit Airlines
11 Dec - 17 Dec Spirit Airlines
13 Dec - 10 Jan Spirit Airlines
15 Dec - 26 Jan Spirit Airlines
30 Dec - 12 Jan Spirit Airlines
31 Dec - 11 Jan Frontier Airlines
28 Dec - 12 Jan Spirit Airlines
24 Dec - 12 Jan Spirit Airlines
30 Dec - 13 Jan Frontier Airlines
29 Dec - 10 Jan Spirit Airlines
27 Dec - 12 Jan Spirit Airlines
30 Dec - 09 Jan Spirit Airlines

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

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