Cheapest return flights from Los Angeles to San Juan in December from $337

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

Return flights

03 Dec - 10 Dec United
01 Dec - 09 Dec United
01 Dec - 04 Dec United
07 Dec - 14 Dec United
03 Dec - 14 Dec jetBlue
14 Dec - 23 Dec American Airlines
04 Dec - 14 Dec jetBlue
07 Dec - 21 Dec American Airlines
30 Dec - 07 Jan American Airlines
13 Dec - 20 Dec jetBlue
14 Dec - 21 Dec American Airlines
28 Dec - 12 Jan Sun Country Airlines
28 Dec - 11 Jan Sun Country Airlines
28 Dec - 18 Jan Sun Country Airlines
24 Dec - 12 Jan Sun Country Airlines
30 Dec - 12 Jan Sun Country Airlines
30 Dec - 18 Jan Sun Country Airlines
26 Dec - 12 Jan Sun Country Airlines
28 Dec - 04 Jan Sun Country Airlines
21 Dec - 04 Jan Sun Country Airlines

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

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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