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San Juan

$131+ 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 8/24. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SJU
Jul 23 — Jul 301
Thu 7/23
Thu 7/30
1 adult, Economy
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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 June 23, 2026.

This American Airlines deal was found by Cheapflights users on 6/21. 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.
Sat 9/127:10 pm
LAS
-
SJU
1 stop17h 19m
American Airlines
Fri 9/182:22 pm
SJU
-
LAS
1 stop10h 48m
American Airlines
Deal found 6/21$262
This Delta deal was found by Cheapflights users on 6/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:11 pm
SJC
-
SJU
2 stops13h 52m
Delta
Wed 9/307:30 am
SJU
-
SJC
2 stops17h 38m
Delta
Deal found 6/23$262
This American Airlines deal was found by Cheapflights users on 6/19. 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.
Fri 9/186:40 pm
SMF
-
SJU
2 stops15h 52m
American Airlines
Mon 9/286:27 am
SJU
-
SMF
2 stops19h 39m
American Airlines
Deal found 6/19$266
This American Airlines deal was found by Cheapflights users on 6/19. 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.
Wed 9/92:01 pm
LAS
-
SJU
2 stops16h 23m
American Airlines
Mon 9/142:22 pm
SJU
-
LAS
1 stop10h 48m
American Airlines
Deal found 6/19$267
This American Airlines deal was found by Cheapflights users on 6/19. 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.
Sat 10/1710:45 pm
SAN
-
SJU
1 stop12h 00m
American Airlines
Sat 10/246:00 am
SJU
-
SAN
1 stop17h 39m
American Airlines
Deal found 6/19$322
This American Airlines deal was found by Cheapflights users on 6/21. 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.
Sat 8/156:00 am
LAS
-
SJU
1 stop12h 55m
American Airlines
Sat 8/227:05 am
SJU
-
LAS
1 stop15h 37m
American Airlines
Deal found 6/21$324
This American Airlines deal was found by Cheapflights users on 6/21. 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.
Fri 8/2110:45 pm
SAN
-
SJU
2 stops12h 53m
American Airlines
Fri 8/283:44 pm
SJU
-
SAN
1 stop19h 28m
American Airlines
Deal found 6/21$324
This American Airlines deal was found by Cheapflights users on 6/21. 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.
Wed 8/266:00 am
LAS
-
SJU
2 stops12h 55m
American Airlines
Sun 8/3012:55 am
SJU
-
LAS
1 stop10h 44m
American Airlines
Deal found 6/21$329
This American Airlines deal was found by Cheapflights users on 6/20. 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.
Wed 8/199:40 am
SAN
-
SJU
2 stops11h 19m
American Airlines
Sat 8/226:00 am
SJU
-
SAN
2 stops12h 26m
American Airlines
Deal found 6/20$329
This American Airlines deal was found by Cheapflights users on 6/19. 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.
Fri 8/149:36 pm
SAN
-
SJU
1 stop12h 48m
American Airlines
Sun 8/236:00 am
SJU
-
SAN
2 stops15h 18m
American Airlines
Deal found 6/19$330
This Delta deal was found by Cheapflights users on 6/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1110:10 pm
SAN
-
SJU
1 stop10h 55m
Delta
Thu 11/197:15 am
SJU
-
SAN
2 stops17h 10m
Delta
Deal found 6/23$331
This American Airlines deal was found by Cheapflights users on 6/20. 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.
Fri 8/1411:30 pm
LAS
-
SJU
1 stop19h 25m
American Airlines
Sat 8/226:00 am
SJU
-
LAS
2 stops19h 35m
American Airlines
Deal found 6/20$332

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 June 23, 2026.

Round-trip from

$262
(American Airlines)

One-way from

$131
(American Airlines)

Popular in

June

Cheapest in

October

Average price

$566
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 ($49 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
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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 June 23, 2026.
Use the filters below to find and compare flights from California to San Juan that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Las VegasSan Juan

LAS - SJU

LASSJU

Las Vegas Harry Reid Intl

Tue 8/11

7:45 am-11:50 pm

2 stops13h 05m

San Juan Luis Munoz Marin Intl

Wed 8/26

7:00 am-3:41 pm

1 stop11h 41m

$262

Las VegasSan Juan

LAS - SJU

LASSJU

Las Vegas Harry Reid Intl

Tue 8/11

6:50 am-9:05 pm

2 stops11h 15m

San Juan Luis Munoz Marin Intl

Wed 8/26

10:30 am-8:00 pm

2 stops12h 30m

$329

Las VegasSan Juan

LAS - SJU

LASSJU

Las Vegas Harry Reid Intl

Fri 9/4

7:51 pm-12:08 pm

2 stops13h 17m

San Juan Luis Munoz Marin Intl

Wed 9/9

7:30 am-5:45 pm

1 stop13h 15m

$386

Las VegasSan Juan

LAS - SJU

LASSJU

Las Vegas Harry Reid Intl

Mon 9/14

8:40 pm-11:00 am

2 stops11h 20m

San Juan Luis Munoz Marin Intl

Fri 9/18

2:35 pm-10:05 pm

2 stops10h 30m

$386

Las VegasSan Juan

LAS - SJU

LASSJU

Las Vegas Harry Reid Intl

Tue 8/11

7:05 am-10:29 pm

1 stop12h 24m

San Juan Luis Munoz Marin Intl

Fri 8/21

12:56 pm-10:17 pm

1 stop12h 21m

$386
Quickest round-trip

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Tue 8/4

5:15 pm-5:29 am

1 stop9h 14m

San Juan Luis Munoz Marin Intl

Wed 8/26

2:20 pm-9:25 pm

1 stop10h 05m

$386

Las VegasSan Juan

LAS - SJU

LASSJU

Las Vegas Harry Reid Intl

Sat 9/12

8:25 am-10:19 pm

1 stop10h 54m

San Juan Luis Munoz Marin Intl

Fri 9/18

12:58 pm-11:07 pm

1 stop13h 09m

$386

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Sun 10/18

9:40 pm-11:36 am

1 stop10h 56m

San Juan Luis Munoz Marin Intl

Sat 10/24

12:46 pm-11:03 pm

1 stop13h 17m

$386

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Wed 11/11

10:10 pm-5:20 pm

1 stop15h 10m

San Juan Luis Munoz Marin Intl

Thu 11/19

1:55 pm-9:41 pm

1 stop11h 46m

$386

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Mon 12/7

6:12 pm-12:45 pm

2 stops14h 33m

San Juan Luis Munoz Marin Intl

Thu 12/10

7:00 am-8:58 pm

2 stops17h 58m

$386

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/23

Showing 1-10 of 60 resultsSorted by cheapest first
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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, January is the cheapest month in which you can book a flight from California to San Juan (average of $451). Flying from California to San Juan in October is currently the most expensive (average of $618). 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.

How much does it cost to fly round-trip from California to San Juan?

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

The price you pay for your flight from California to San Juan may vary depending on when you book. For the best chance of a lower fare, look to book 72 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 United Airlines, American Airlines, and Southwest fly from California to San Juan in about 11h 15m. The time it takes to get you to your destination can typically vary by up to 4h 37m. The distance between California and San Juan is about 3214 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 $111. Users have also found prices from $122 and $132 on American Airlines and United 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 Ontario - 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, January is the cheapest month in which you can book a flight from California to San Juan (average of $451). Flying from California to San Juan in October is currently the most expensive (average of $618). 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.
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Top 8 airlines flying from California to San Juan

Discover the top 8 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 June 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$132Average$464FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$134Average$442FlexibilityNo cancel feeOn-time62%
Sun Country AirCheapest$222Average$834FlexibilityNo cancel feeOn-time83%
United AirlinesCheapest$237Average$551FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$263Average$496FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$295Average$611FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$351Average$702FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$365Average$599FlexibilityNo cancel feeOn-time63%

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