HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Juan

$111+ Cheap flights from California 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 1/5. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SJU
Jan 26 — Feb 21
Mon 1/26
Mon 2/2
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from California 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.

Cheap flight deals from California to San Juan

Cheapest flights from California to San Juan
Explore the most affordable flight options available from California to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 27, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/27. 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.
Mon 12/2910:01 pmLAS - SJU
1 stop30h 38mFrontier
Sat 1/317:00 pmSJU - LAS
2 stops23h 11mFrontier
Deal found 12/27$359
This Booking.com deal was found by Cheapflights users on 12/24. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2510:01 pmLAS - SJU
1 stop24h 38mFrontier
Wed 12/312:44 pmSJU - LAS
1 stop29h 17mFrontier
Deal found 12/24$364
This Priceline deal was found by Cheapflights users on 12/27. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2710:01 pmLAS - SJU
1 stop16h 10mFrontier
Sat 1/3111:49 amSJU - LAS
1 stop15h 08mFrontier
Deal found 12/27$388
This United Airlines deal was found by Cheapflights users on 12/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:04 amONT - SJU
1 stop11h 22mUnited Airlines
Fri 1/308:10 amSJU - ONT
2 stops17h 48mUnited Airlines
Deal found 12/26$406
This Kiwi.com deal was found by Cheapflights users on 12/26. 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.
Sun 12/2811:59 pmLAX - SJU
1 stop9h 35mFrontier
Fri 1/97:35 amSJU - LAX
1 stop10h 30mFrontier
Deal found 12/26$421
This Cheapflightsfares deal was found by Cheapflights users on 12/26. 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 12/3011:59 pmLAX - SJU
1 stop9h 35mFrontier
Fri 1/97:35 amSJU - LAX
1 stop10h 30mFrontier
Deal found 12/26$426
This American Airlines deal was found by Cheapflights users on 12/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:00 amLAX - SJU
1 stop12h 05mAmerican Airlines
Tue 1/202:28 pmSJU - LAX
1 stop11h 30mAmerican Airlines
Deal found 12/26$435
This Kiwi.com deal was found by Cheapflights users on 12/27. 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.
Sat 12/2710:15 pmLAS - SJU
2 stops33h 43mMultiple Airlines
Sat 1/317:44 pmSJU - LAS
1 stop22h 27mMultiple Airlines
Deal found 12/27$438
This Frontier deal was found by Cheapflights users on 12/26. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2911:59 pmLAX - SJU
1 stop12h 00mFrontier
Thu 1/87:35 amSJU - LAX
1 stop10h 32mFrontier
Deal found 12/26$443
This Cheapflightsfares deal was found by Cheapflights users on 12/25. 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.
Wed 12/3111:43 pmLAX - SJU
1 stop18h 22mSpirit Airlines
Wed 1/77:50 pmSJU - LAX
1 stop20h 43mSpirit Airlines
Deal found 12/25$448
This Cheapflightsfares deal was found by Cheapflights users on 12/26. 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.
Wed 12/3111:43 pmLAX - SJU
1 stop18h 22mSpirit Airlines
Tue 1/61:22 pmSJU - LAX
1 stop11h 53mSpirit Airlines
Deal found 12/26$461
This Trip.com deal was found by Cheapflights users on 12/26. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2811:59 pmLAX - SJU
1 stop9h 35mMultiple Airlines
Thu 1/83:55 amSJU - LAX
2 stops15h 17mMultiple Airlines
Deal found 12/26$463

Find flight deals from California to San Juan

Keep the following information in mind while searching for California to San Juan flight deals. Data was last updated December 27, 2025.

Round-trip from

$176
(Priceline)

One-way from

$111
(Frontier)

Popular in

December

Cheapest in

October

Average price

$571
From California to San Juan
Search Deals
One-way flight from California to San Juan
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($50 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from California 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 December 27, 2025.
Use the filters below to find and compare flights from California to San Juan that are best for you.

Fly from

California

Fly to

San Juan

Route

Depart

Return

Price

Las VegasSan Juan

LAS - SJU

LASSJU

Las Vegas Harry Reid Intl

Fri 1/9

10:45 pm-1:49 pm

1 stop11h 04m

San Juan Luis Munoz Marin Intl

Mon 1/12

3:58 am-11:42 am

1 stop11h 44m

$215

Las VegasSan Juan

LAS - SJU

LASSJU

Las Vegas Harry Reid Intl

Fri 2/27

11:59 pm-4:21 pm

1 stop12h 22m

San Juan Luis Munoz Marin Intl

Tue 3/3

4:11 pm-11:03 pm

1 stop10h 52m

$235

San Luis ObispoSan Juan

SBP - SJU

SBPSJU

San Luis Obispo County

Wed 3/4

4:37 pm-11:41 am

2 stops15h 04m

San Juan Luis Munoz Marin Intl

Thu 3/12

1:30 am-12:00 pm

1 stop13h 30m

$265

San Luis ObispoSan Juan

SBP - SJU

SBPSJU

San Luis Obispo County

Mon 1/19

12:50 pm-10:48 am

2 stops17h 58m

San Juan Luis Munoz Marin Intl

Sat 1/24

6:30 am-6:30 pm

2 stops16h 00m

$265

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Tue 1/20

10:45 pm-1:06 pm

1 stop10h 21m

San Juan Luis Munoz Marin Intl

Thu 1/22

2:15 pm-9:20 pm

1 stop11h 05m

$275

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Tue 1/20

5:05 pm-2:10 pm

2 stops17h 05m

San Juan Luis Munoz Marin Intl

Sat 1/24

6:15 am-7:12 pm

2 stops16h 57m

$275

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Sat 1/24

6:00 am-11:56 pm

2 stops13h 56m

San Juan Luis Munoz Marin Intl

Sat 1/31

8:20 am-6:34 pm

2 stops14h 14m

$275

OntarioSan Juan

ONT - SJU

ONTSJU

Ontario

Thu 1/22

5:05 am-10:22 pm

2 stops13h 17m

San Juan Luis Munoz Marin Intl

Tue 1/27

7:45 am-5:43 pm

2 stops13h 58m

$283

OntarioSan Juan

ONT - SJU

ONTSJU

Ontario

Fri 1/23

1:24 pm-6:11 am

2 stops12h 47m

San Juan Luis Munoz Marin Intl

Tue 1/27

3:46 pm-9:58 pm

1 stop10h 12m

$283

Las VegasSan Juan

LAS - SJU

LASSJU

Las Vegas Harry Reid Intl

Mon 1/26

9:46 am-11:57 pm

1 stop10h 11m

San Juan Luis Munoz Marin Intl

Tue 2/24

7:30 am-8:54 pm

2 stops17h 24m

$295

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/26

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from California to San Juan

Have a flexible travel schedule? Discover the best time to fly to San Juan from California 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 California to San Juan

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

Currently, April is the cheapest month in which you can book a flight from California to San Juan (average of $137). Flying from California to San Juan in August is currently the most expensive (average of $269). 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 CA to SJU?

Find hourly flight availability from California 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 December 27, 2025.

One of the essential ways to save on airfare from California to San Juan is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 18% on airfare.

What is the cheapest day to fly from California to San Juan?

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

Travelers seeking maximum savings on their California to San Juan flight should consider departing on Saturday afternoons 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.

Weekly flight availability from California to San Juan

Explore weekly flight availability from California to San Juan. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated December 27, 2025.

The most flights from USCA to PR1 are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

Related info for your journey

Find useful and relevant information for your journey from California to San Juan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from California to San Juan?

    Airlines like Frontier, American Airlines, and Delta fly from California to San Juan in about 10h 21m. The time it takes to get you to your destination can typically vary by up to 4h 43m. The distance between California and San Juan is about 3597 mi. This flight may include one or multiple stops.

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

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $85. Users have also found prices from $89 and $122 on Spirit Airlines and American Airlines, respectively.

  • What are the most popular routes from California to San Juan?

    While some choose either San Francisco - San Juan Luis Munoz Marin Intl or San Diego - San Juan Luis Munoz Marin Intl, Los Angeles - San Juan Luis Munoz Marin Intl is the most popular route from California to San Juan.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from California 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 California to San Juan?

    Currently, April is the cheapest month in which you can book a flight from California to San Juan (average of $137). Flying from California to San Juan in August is currently the most expensive (average of $269). 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 California to San Juan

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Luis Munoz Marin Intl flights
Newark to Luis Munoz Marin Intl flights
LaGuardia to Luis Munoz Marin Intl flights
Dulles Intl to Luis Munoz Marin Intl flights
O'Hare Intl to Luis Munoz Marin Intl flights
Orlando to Luis Munoz Marin Intl flights
Boston to Luis Munoz Marin Intl flights
Atlanta to Luis Munoz Marin Intl flights
Baltimore to Luis Munoz Marin Intl flights
Dallas/Fort Worth to Luis Munoz Marin Intl flights
Philadelphia to Luis Munoz Marin Intl flights
Hartford to Luis Munoz Marin Intl flights
Reagan-National to Luis Munoz Marin Intl flights
Minneapolis to Luis Munoz Marin Intl flights
Fort Lauderdale to Luis Munoz Marin Intl flights
Tampa to Luis Munoz Marin Intl flights
Detroit to Luis Munoz Marin Intl flights
Raleigh to Luis Munoz Marin Intl flights
Hobby to Luis Munoz Marin Intl flights
Miami to Luis Munoz Marin Intl flights
Midway to Luis Munoz Marin Intl flights
Denver to Luis Munoz Marin Intl flights
George Bush Intcntl to Luis Munoz Marin Intl flights
Charlotte to Luis Munoz Marin Intl flights
Cleveland to Luis Munoz Marin Intl flights
Seattle to Luis Munoz Marin Intl flights
Los Angeles to Luis Munoz Marin Intl flights
John F Kennedy Intl to Aguadilla flights
Providence to Luis Munoz Marin Intl flights
Atlantic City to Luis Munoz Marin Intl flights
San Francisco to Luis Munoz Marin Intl flights
Cincinnati to Luis Munoz Marin Intl flights
Indianapolis to Luis Munoz Marin Intl flights
White Plains to Luis Munoz Marin Intl flights
Trenton to Luis Munoz Marin Intl flights
Orlando to Ponce flights
Austin to Luis Munoz Marin Intl flights
Sky Harbor Intl to Luis Munoz Marin Intl flights
West Palm Beach to Luis Munoz Marin Intl flights
Columbus to Luis Munoz Marin Intl flights
Love Field to Luis Munoz Marin Intl flights
Buffalo to Luis Munoz Marin Intl flights
Milwaukee to Luis Munoz Marin Intl flights
Orlando to Aguadilla flights
Islip to Luis Munoz Marin Intl flights
Grand Rapids to Luis Munoz Marin Intl flights
Richmond to Luis Munoz Marin Intl flights
St. Louis to Luis Munoz Marin Intl flights
Newark to Aguadilla flights
Nashville to Luis Munoz Marin Intl flights

Top 9 airlines flying from California to San Juan

Discover the top 9 airlines that operate flights from California 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 December 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$73Average$400FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$225Average$373FlexibilityNo cancel feeOn-time65%
DeltaCheapest$240Average$509FlexibilityNo cancel feeOn-timeN/A
Sun Country AirCheapest$286Average$914FlexibilityNo cancel feeOn-time83%
JetBlueCheapest$289Average$453FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$291Average$576FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$291Average$548FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$382Average$598FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$470Average$585FlexibilityNo cancel feeOn-time75%

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.