Cheapest one-way flights from Los Angeles to San Juan in December from $124

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

One-Way flights

04 Dec Spirit Airlines
03 Dec Spirit Airlines
07 Dec Spirit Airlines
02 Dec Spirit Airlines
14 Dec Spirit Airlines
13 Dec Frontier Airlines
16 Dec United
11 Dec Spirit Airlines
12 Dec Spirit Airlines
29 Dec Spirit Airlines

Also check the deals for return 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.

Book a cheap hotel in San Juan

Cheap car rent in San Juan

Feel free to contact us with any feedback or request another flight research.