San Juan

$139+ Cheap flights from Los Angeles (LAX) to San Juan

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SJU
Jul 7 — Jul 141
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Los Angeles to San Juan with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Los Angeles to San Juan are usually found in October or September, booked 71 days in advance, depart on a Tuesday or Monday and return on a Wednesday

Cheap flight deals from Los Angeles to San Juan

Discover tips and strategies to find the most affordable flight options for your journey from Los Angeles (LAX) to San Juan (PR1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 2, 2025.

Round-trip from

$282
(CheapOair)

One-way from

$139
(Mytrip)

Popular in

December

Cheapest in

October

Average price

$539
From Los Angeles to San Juan
One-way flight from Los Angeles to San Juan
Highest demand for flights based on searches. 11% potential increase in price ($59 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($19 potential savings vs. average RT price).
Average for round-trip flights in July 2025

Find flight deals from Los Angeles to San Juan

Cheapest flights from Los Angeles to San Juan
Explore the most affordable flight options available from Los Angeles to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2025.

This CheapOair deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/244:40 pmLAX - SJU
2 stops26h 08mMultiple Airlines
Thu 8/2812:04 pmSJU - LAX
1 stop11h 12mMultiple Airlines
Deal found 7/2$282
This Kiwi.com deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/31:57 pmLAX - SJU
1 stop9h 38mFrontier
Tue 7/89:30 amSJU - LAX
1 stop10h 38mFrontier
Deal found 6/30$284
This Cheapflightsfares deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/155:45 amLAX - SJU
1 stop13h 05mSpirit Airlines
Mon 7/211:37 amSJU - LAX
1 stop10h 08mSpirit Airlines
Deal found 7/2$287

Cheapflights Fare Finder

Customize your flight search to find flights from Los Angeles to San Juan that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 2, 2025.
Use the filters below to find and compare flights from Los Angeles to San Juan that are best for you.

Fly from

Los Angeles

Fly to

San Juan

Route

Depart

Return

Price

Los AngelesSan Juan

LAX - SJU

LAXSJU

Los Angeles

Sun 8/24

4:40 pm-9:48 pm

2 stops26h 08m

San Juan Luis Munoz Marin Intl

Thu 8/28

12:04 pm-8:16 pm

1 stop11h 12m

$282

Los AngelesSan Juan

LAX - SJU

LAXSJU

Los Angeles

Sat 7/5

1:57 pm-9:04 am

1 stop16h 07m

San Juan Luis Munoz Marin Intl

Wed 7/9

9:30 am-5:08 pm

1 stop10h 38m

$284

Los AngelesSan Juan

LAX - SJU

LAXSJU

Los Angeles

Tue 7/15

5:45 am-9:50 pm

1 stop13h 05m

San Juan Luis Munoz Marin Intl

Mon 7/21

1:37 am-8:45 am

1 stop10h 08m

$287

Los AngelesSan Juan

LAX - SJU

LAXSJU

Los Angeles

Wed 7/9

1:57 pm-8:29 pm

1 stop27h 32m

$139

Los AngelesSan Juan

LAX - SJU

LAXSJU

Los Angeles

Fri 8/8

12:12 am-9:50 pm

1 stop18h 38m

$144

Los AngelesSan Juan

LAX - SJU

LAXSJU

Los Angeles

Tue 9/30

11:30 pm-4:31 pm

2 stops14h 01m

$171

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Best time to book a flight from Los Angeles to San Juan

Have a flexible travel schedule? Discover the best time to fly to San Juan from Los Angeles with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Los Angeles to San Juan

How far ahead should I book a flight from Los Angeles to San Juan?

Use this chart to determine the optimal time to book a round-trip flight from Los Angeles to San Juan. Price data was last updated on June 27, 2025.

Booking 71 days in advance of your planned departure date is, on average, the best time to get cheap flights from Los Angeles to San Juan. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Los Angeles to San Juan?

Currently, September is the cheapest month in which you can book a flight from Los Angeles to San Juan (average of $254). Flying from Los Angeles to San Juan in June is currently the most expensive (average of $339). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LAX to SJU?

Find hourly flight availability from Los Angeles to San Juan. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 2, 2025.

When flying from Los Angeles to San Juan, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 20% versus a flight at noon.

What is the cheapest day to fly from Los Angeles to San Juan?

Use this chart to determine the cheapest time to fly round-trip from Los Angeles to San Juan. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Los Angeles to San Juan flight should consider departing on Saturday at noon when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing San Juan

Get insights into the airlines that provide service to San Juan. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Juan. Reviews last updated July 2, 2025.
Get a feel of what it's like to fly with Delta, Spirit Airlines, and Frontier from Los Angeles to San Juan by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good
8.0
Very good

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Los Angeles to San Juan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from Los Angeles to San Juan?

    If you book a flight to San Juan from Los Angeles, you will be flying from Los Angeles, which is the city’s only airport. Los Angeles (LAX) is located 9.4 mi from the center of Los Angeles. There are 0 flights from Los Angeles to San Juan per day from 7 different airlines.

  • What are the cheapest airlines flying from Los Angeles to San Juan round-trip?

    Our cheapest airline available from Los Angeles to San Juan is Frontier. Our recent data shows that you can find tickets from as low as $284 on this airline. An additional option worth looking into is Spirit Airlines, starting at $287. Frontier is currently priced 39% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Los Angeles to San Juan one-way?

    The cheapest airlines for a one-way flight from Los Angeles to San Juan are Frontier ($139), Spirit Airlines ($144), and Delta ($171).

  • Where are the most common layover locations when flying from Los Angeles to San Juan?

  • What are some popular things to do or see while on a layover in Miami?

    Most Miami visitors opt to spend their time experiencing Wynwood Art District, Bayfront Park, and Bayside Marketplace. Wynwood Art District, Bayfront Park and Bayside Marketplace are located about 5.5 mi, 6.4 mi, and 6.4 mi, respectively from Miami if you are interested in checking them out. Travelers in need of a car in Miami can rent one for about $22 per day.

  • What are some popular points of interest to see during a layover in Dallas?

    Dallas travelers tend to visit American Airlines Center, Dallas World Aquarium, and Reunion Tower more than any other notable places. American Airlines Center, Dallas World Aquarium and Reunion Tower are located about 15.0 mi, 15.5 mi, and 15.6 mi, respectively from Dallas/Fort Worth if you are interested in checking them out. Travelers can rent a car at Dallas/Fort Worth for an average daily rate of $53 to make sightseeing during their layover a little easier.

  • What are points of interest worth seeing during a layover in Atlanta?

    Atlanta travelers tend to visit Georgia Aquarium, Fox Theatre, and World of Coca-Cola more than any other attractions. Georgia Aquarium, Fox Theatre, and World of Coca-Cola can be accessed by traveling approximately 8.6 mi, 9.3 mi, and 8.6 mi, respectively from Atlanta Hartsfield-Jackson. Travelers can rent a car at Atlanta Hartsfield-Jackson for an average daily rate of $47 to make sightseeing during their layover a little easier.

  • Where are the least popular layover locations for Los Angeles to San Juan flights?

  • Can I find deals for flights from Los Angeles to San Juan that include hotel bookings?

    Yes. In addition to deals on Los Angeles to San Juan flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Los Angeles to San Juan?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Los Angeles to San Juan.

  • Can I find deals for business class flights from Los Angeles to San Juan?

    Yes. Cheapflights offers flight deals from Los Angeles to San Juan by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Los Angeles to San Juan?

    Currently, September is the cheapest month in which you can book a flight from Los Angeles to San Juan (average of $254). Flying from Los Angeles to San Juan in June is currently the most expensive (average of $339). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Los Angeles to San Juan

See prices for flight routes from nearby airports that may be better suited for you.

Top 7 airlines flying from Los Angeles to San Juan

Discover the top 7 airlines that operate flights from Los Angeles to San Juan. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$134Average$306FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$219Average$365FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$270Average$477FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$311Average$528FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$325Average$525FlexibilityNo cancel feeOn-time71%
DeltaCheapest$333Average$556FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$402Average$536FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.