LAX to SJU, Los Angeles International Airport to Luis Munoz Marin International Airport Cheap Flights

Based on HopeGoo data, Frontier Airlines offers one-way fares as low as US$103 on Cheapest nonstop routes (e.g. LAX to SJU on Tue, Mar 17), while Frontier Airlines offers Cheapest nonstop round-trips from US$208 departing on Mon, Mar 2 and returning on Sat, Mar 7.

At the moment, several airlines serve connecting flights from Los Angeles to San Juan, including: United Airlines Selected airlines are based on historical data collected from flight bookings made by users on HopeGoo within the last 90 days.

It takes about 8 hours 40 minutes to fly from Los Angeles to San Juan.

By analyzing data from all airlines on the HopeGoo flight calendar, it looks like the best time to book a flight from Los Angeles to San Juan is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

Based on HopeGoo data in the past 4 weeks, there is 6 flight per week flying from Los Angeles to San Juan. You can check the weekly schedule for popular airlines on this route below: United Airlines: S/M/T/W/T/F/S -- UA1339 (05:10)

To find best deals on flights from Los Angeles to San Juan, you can use various tools on HopeGoo: · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Tue, Mar 17, with one-way flights priced at just US$103. · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is United Airlines. · Set up price alerts to easily monitor ticket prices without having to check every day. · Check HopeGoo flight deals and promo codes frequently. · Avoid peak season unless you book very early. It seems the peak season for San Juan travel is around July. · Get exclusive promo codes for HopeGoo app users.

The cheapest months to fly from Los Angeles to San Juan is November, when demand for travel is lower.

After crunching the numbers on our February flight calendar, it's currently cheapest to fly from Los Angeles to San Juan on February 23, 2026 with Frontier Airlines, with prices starting at US$86.

You can land at any one of the following hubs in San Juan, with Los Angeles International Airport to Luis Munoz Marin International Airport (LAX-SJU) is by far the most common option on this route: Fernando Luis Ribas Dominicci Airport (SIG) Luis Munoz Marin International Airport (SJU).

The time difference between San Juan and Los Angeles is 4h.

Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your HopeGoo, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.