Cheapest return flights from Los Angeles to San Juan in December from 235€

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 - 13 Dec Frontier Airlines
02 Dec - 11 Dec Spirit Airlines
02 Dec - 06 Dec Spirit Airlines
07 Dec - 21 Dec Delta
10 Dec - 16 Dec Southwest Airlines
10 Dec - 15 Dec Southwest Airlines
05 Dec - 06 Dec Spirit Airlines
15 Dec - 18 Dec Frontier Airlines
03 Dec - 11 Dec Frontier Airlines
04 Dec - 06 Dec Frontier Airlines
29 Dec - 10 Jan Southwest Airlines
25 Dec - 08 Jan Frontier Airlines
25 Dec - 13 Jan Spirit Airlines
25 Dec - 09 Jan Spirit Airlines
25 Dec - 10 Jan Spirit Airlines
25 Dec - 07 Jan Spirit Airlines
24 Dec - 13 Jan Spirit Airlines
24 Dec - 09 Jan Spirit Airlines
24 Dec - 10 Jan Spirit Airlines
24 Dec - 07 Jan Spirit Airlines

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

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