How long is the flight from California to San Juan?

Airlines like United Airlines, Spirit Airlines, and JetBlue fly from California to San Juan in about 9h 25m. The time it takes to get you to your destination can typically vary by up to 25h 30m. The distance between California and San Juan is about 3380 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 Spirit Airlines. According to our data, you can fly for as low as $133. Users have also found prices from $133 and $148 on Frontier and Southwest, respectively.

In terms of precipitation, rainfall in San Juan ranges from 2.2 - 6.1 inches per month. November is typically the wettest month, when rainfall can reach 6.1 in. February is typically the driest time to visit San Juan when rainfall is around 2.2 in.

If weather is an important factor for your trip to San Juan, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 77.0 F).

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.

What are the most popular airlines that fly from California to San Juan?

The most popular airlines flying from California to San Juan are American Airlines, JetBlue and Delta. Something to consider prior to booking your flight.

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

Users have found that booking a flight from California to San Juan at least 14 days early can save you up to 37% on average compared to booking a flight this week. If booking 14 days before your flight isn’t an option for you, users have found flights from California to San Juan for as little as $333 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $550 for flights departing within the next 3 days.

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

October can be a great time to fly to San Juan from California with a flight ticket averaging about $469. Cheapflights users have found deals in the month of October for as cheap as $228. The most expensive prices can be found in the month of December.

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.

$126+ Cheap Flights from California to San Juan

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

Airfare is below average for this route at the moment. California to San Juan flights typically cost between $351 and $545 in October. The cheapest round-trip price found within the last 3 days was $276 on Spirit Airlines (Oct 8-Oct 17).

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

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

Round-trip from	$255 (Cheapflightsfares)
One-way from	$126 (eDestinos)
Popular in	December
Cheapest in	October
Average price	$445

From California to San Juan

Search Deals

One-way flight from California to San Juan

Search Deals

Highest demand for flights based on searches. 11% potential increase in price ($59 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($17 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

Find 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 September 15, 2025.

Wed 11/512:15 amLAS - SJU

1 stop16h 29mSpirit Airlines

Sat 11/156:00 amSJU - LAS

1 stop19h 51mSpirit Airlines

Deal found 9/13

$255

Mon 12/810:35 pmLAS - SJU

1 stop12h 19mFrontier

Thu 12/113:59 pmSJU - LAS

1 stop33h 31mFrontier

Deal found 9/14

$266

Fri 11/712:49 pmLAS - SJU

1 stop11h 51mSpirit Airlines

Sat 11/156:00 amSJU - LAS

1 stop19h 51mSpirit Airlines

Deal found 9/14

$271

Fri 10/179:27 pmLAS - SJU

1 stop14h 57mFrontier

Sun 10/196:22 amSJU - LAS

1 stop30h 12mFrontier

Deal found 9/13

$272

Mon 9/229:31 pmLAX - SJU

1 stop11h 30mFrontier

Sat 9/2712:28 amSJU - LAX

1 stop23h 08mFrontier

Deal found 9/15

$275

Sun 10/266:35 amSJC - SJU

1 stop12h 24mDelta

Thu 10/3012:46 pmSJU - SJC

1 stop13h 12mDelta

Deal found 9/15

$275

Sat 10/182:27 pmLAX - SJU

1 stop9h 03mFrontier

Wed 10/226:22 amSJU - LAX

1 stop11h 18mFrontier

Deal found 9/13

$276

Tue 9/307:35 amLAX - SJU

1 stop15h 23mMultiple Airlines

Mon 10/62:49 amSJU - LAX

1 stop32h 39mMultiple Airlines

Deal found 9/14

$277

Thu 10/92:27 pmLAX - SJU

1 stop9h 03mFrontier

Tue 10/216:22 amSJU - LAX

1 stop11h 18mFrontier

Deal found 9/12

$278

Thu 11/66:30 amLAS - SJU

2 stops23h 22mMultiple Airlines

Sat 11/159:00 amSJU - LAS

1 stop29h 31mMultiple Airlines

Deal found 9/14

$279

Sat 10/259:20 amLAX - SJU

2 stops22h 36mSpirit Airlines

Wed 10/293:19 pmSJU - LAX

2 stops19h 47mSpirit Airlines

Deal found 9/13

$279

Tue 10/212:27 pmLAX - SJU

1 stop9h 03mMultiple Airlines

Sun 10/264:04 pmSJU - LAX

1 stop10h 44mMultiple Airlines

Deal found 9/14

$280

Best flights from California to San Juan
Discover carefully curated flight deals from California to San Juan that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2025.

Tue 10/285:00 amLAX - SJU

1 stop9h 25mUnited Airlines

Sat 11/14:50 pmSJU - LAX

1 stop11h 09mUnited Airlines

Deal found 9/12

$291

Mon 10/2011:49 amRNO - SJU

3 stops34h 55mSpirit Airlines

Thu 10/302:49 amSJU - RNO

3 stops33h 20mSpirit Airlines

Deal found 9/15

$339

Tue 10/218:00 amSFO - SJU

1 stop10h 24mJetBlue

Wed 11/52:33 pmSJU - SFO

1 stop13h 26mJetBlue

Deal found 9/14

$356

Tue 1/132:15 pmSJC - SJU

2 stops18h 52mDelta

Thu 1/152:10 pmSJU - SJC

1 stop11h 22mDelta

Deal found 9/13

$364

Sat 11/85:00 amSMF - SJU

1 stop14h 15mSouthwest

Tue 11/118:55 amSJU - SMF

1 stop14h 15mSouthwest

Deal found 9/13

$372

Wed 10/156:53 amONT - SJU

2 stops16h 37mFrontier

Wed 10/226:22 amSJU - ONT

2 stops20h 28mFrontier

Deal found 9/15

$376

Mon 11/36:15 amSAN - SJU

2 stops17h 18mMultiple Airlines

Sat 11/152:11 amSJU - SAN

2 stops17h 03mMultiple Airlines

Deal found 9/14

$426

Mon 10/204:31 pmBUR - SJU

2 stops18h 37mAmerican Airlines

Mon 10/277:00 pmSJU - BUR

2 stops19h 42mAmerican Airlines

Deal found 9/14

$435

Thu 2/195:52 amSJC - SJU

1 stop19h 03mAlaska Airlines

Thu 2/268:04 amSJU - SJC

1 stop16h 41mAlaska Airlines

Deal found 9/14

$475

Sun 10/265:00 amLAX - SJU

1 stop9h 25mUnited Airlines

Tue 10/284:50 pmSJU - LAX

1 stop11h 09mUnited Airlines

Deal found 9/14

$291

Sat 11/88:00 amSMF - SJU

1 stop10h 22mUnited Airlines

Tue 11/112:05 amSJU - SMF

2 stops15h 45mUnited Airlines

Deal found 9/12

$303

Thu 11/137:00 amBUR - SJU

2 stops17h 40mSpirit Airlines

Mon 11/175:28 pmSJU - BUR

2 stops19h 50mSpirit Airlines

Deal found 9/14

$353

Last-minute flights from California to San Juan
Discover last-minute flight deals from California to San Juan. Data last updated September 15, 2025 and is based on user searches.

Mon 9/229:31 pmLAX - SJU

1 stop11h 30mFrontier

Sat 9/2712:28 amSJU - LAX

1 stop23h 08mFrontier

Deal found 9/15

$275

Fri 9/2611:00 pmLAS - SJU

1 stop12h 11mFrontier

Fri 10/33:39 amSJU - LAS

1 stop15h 00mFrontier

Deal found 9/14

$282

Tue 9/307:35 amLAX - SJU

1 stop15h 23mMultiple Airlines

Mon 10/62:49 amSJU - LAX

1 stop32h 39mMultiple Airlines

Deal found 9/14

$277

Fri 10/35:05 pmLAS - SJU

1 stop18h 06mMultiple Airlines

Mon 10/63:22 pmSJU - LAS

1 stop32h 25mMultiple Airlines

Deal found 9/13

$271

Thu 10/92:27 pmLAX - SJU

1 stop9h 03mFrontier

Tue 10/216:22 amSJU - LAX

1 stop11h 18mFrontier

Deal found 9/12

$278

Sat 10/119:20 amLAX - SJU

2 stops26h 39mMultiple Airlines

Fri 10/171:59 amSJU - LAX

1 stop21h 37mMultiple Airlines

Deal found 9/13

$282

Fri 10/179:27 pmLAS - SJU

1 stop14h 57mFrontier

Sun 10/196:22 amSJU - LAS

1 stop30h 12mFrontier

Deal found 9/13

$272

Fri 10/179:27 pmLAS - SJU

1 stop14h 57mFrontier

Sun 10/193:40 amSJU - LAS

1 stop8h 55mFrontier

Deal found 9/13

$281

Sat 10/182:27 pmLAX - SJU

1 stop9h 03mFrontier

Wed 10/226:22 amSJU - LAX

1 stop11h 18mFrontier

Deal found 9/13

$276

Tue 10/212:27 pmLAX - SJU

1 stop9h 03mMultiple Airlines

Sun 10/264:04 pmSJU - LAX

1 stop10h 44mMultiple Airlines

Deal found 9/14

$280

Sat 10/259:20 amLAX - SJU

2 stops22h 36mSpirit Airlines

Wed 10/293:19 pmSJU - LAX

2 stops19h 47mSpirit Airlines

Deal found 9/13

$279

Sun 10/266:35 amSJC - SJU

1 stop12h 24mDelta

Thu 10/3012:46 pmSJU - SJC

1 stop13h 12mDelta

Deal found 9/15

$275

One-way flights from California to San Juan
Search for one-way flight options from California to San Juan. Find affordable one-way fares based on user searches. Data last updated September 15, 2025.

Thu 10/3011:02 pmLAS - SJU

1 stop9h 17mFrontier

Deal found 9/14

$126

Wed 11/512:15 amLAS - SJU

1 stop16h 29mSpirit Airlines

Deal found 9/14

$127

Fri 10/176:59 pmLAS - SJU

2 stops41h 00mSpirit Airlines

Deal found 9/15

$129

Wed 11/56:30 amLAS - SJU

2 stops23h 22mSpirit Airlines

Deal found 9/14

$132

Thu 10/306:45 amSNA - SJU

2 stops14h 51mSpirit Airlines

Deal found 9/14

$133

Fri 10/102:27 pmLAX - SJU

1 stop9h 03mFrontier

Deal found 9/13

$133

Sun 9/2111:00 pmSFO - SJU

1 stop12h 11mFrontier

Deal found 9/14

$133

Thu 10/306:59 pmLAS - SJU

2 stops27h 45mSpirit Airlines

Deal found 9/14

$134

Mon 9/299:31 pmLAX - SJU

1 stop11h 30mFrontier

Deal found 9/13

$134

Sat 11/810:23 pmSFO - SJU

1 stop12h 51mFrontier

Deal found 9/13

$134

Sun 12/710:30 pmLAX - SJU

1 stop12h 24mFrontier

Deal found 9/15

$135

Thu 10/1611:53 pmLAX - SJU

2 stops22h 51mSpirit Airlines

Deal found 9/13

$136

Cheapflights Fare Finder

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

Los AngelesSan Juan

LAX - SJU

LAXSJU

Los Angeles

Tue 10/28

5:00 am-5:25 pm

1 stop9h 25m

San Juan Luis Munoz Marin Intl

Sat 11/1

4:50 pm-12:59 am

1 stop11h 09m

$291

Los AngelesSan Juan

LAX - SJU

LAXSJU

Los Angeles

Sun 10/26

5:00 am-5:25 pm

1 stop9h 25m

San Juan Luis Munoz Marin Intl

Tue 10/28

4:50 pm-12:59 am

1 stop11h 09m

$291

SacramentoSan Juan

SMF - SJU

SMFSJU

Sacramento Intl

Sat 11/8

8:00 am-10:22 pm

1 stop10h 22m

San Juan Luis Munoz Marin Intl

Tue 11/11

2:05 am-1:50 pm

2 stops15h 45m

$303

SacramentoSan Juan

SMF - SJU

SMFSJU

Sacramento Intl

Mon 10/27

5:00 am-5:25 pm

1 stop9h 25m

San Juan Luis Munoz Marin Intl

Sat 11/1

7:30 am-5:30 pm

2 stops13h 00m

$303

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Sat 10/18

6:15 am-8:38 pm

1 stop11h 23m

San Juan Luis Munoz Marin Intl

Wed 10/22

1:30 pm-11:41 pm

2 stops13h 11m

$337

RenoSan Juan

RNO - SJU

RNOSJU

Reno

Mon 10/20

11:49 am-1:44 am

3 stops34h 55m

San Juan Luis Munoz Marin Intl

Thu 10/30

2:49 am-9:09 am

3 stops33h 20m

$339

BurbankSan Juan

BUR - SJU

BURSJU

Burbank Bob Hope

Thu 11/13

7:00 am-4:40 am

2 stops17h 40m

San Juan Luis Munoz Marin Intl

Mon 11/17

5:28 pm-9:18 am

2 stops19h 50m

$353

BurbankSan Juan

BUR - SJU

BURSJU

Burbank Bob Hope

Sat 11/1

6:30 pm-1:17 pm

2 stops15h 47m

San Juan Luis Munoz Marin Intl

Wed 11/5

7:45 am-7:16 pm

2 stops15h 31m

$355

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Tue 10/21

8:00 am-9:24 pm

1 stop10h 24m

San Juan Luis Munoz Marin Intl

Wed 11/5

2:33 pm-11:59 pm

1 stop13h 26m

$356

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Tue 1/13

2:15 pm-1:07 pm

2 stops18h 52m

San Juan Luis Munoz Marin Intl

Thu 1/15

2:10 pm-9:32 pm

1 stop11h 22m

$364

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 60 results

...

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, September is the cheapest month in which you can book a flight from California to San Juan (average of $254). Flying from California 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 CA to SJU?

When flying from California to San Juan, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

Related info for your journey

How long is the flight from California to San Juan?
Airlines like United Airlines, Spirit Airlines, and JetBlue fly from California to San Juan in about 9h 25m. The time it takes to get you to your destination can typically vary by up to 25h 30m. The distance between California and San Juan is about 3380 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 Spirit Airlines. According to our data, you can fly for as low as $133. Users have also found prices from $133 and $148 on Frontier and Southwest, 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, September is the cheapest month in which you can book a flight from California to San Juan (average of $254). Flying from California 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

Top 9 airlines flying from California to San Juan

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$73	Average$385	FlexibilityNo cancel fee	On-time62%
Spirit Airlines	Cheapest$125	Average$377	FlexibilityNo cancel fee	On-time65%
Delta	Cheapest$240	Average$542	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$291	Average$570	FlexibilityNo cancel fee	On-time71%
JetBlue	Cheapest$298	Average$485	FlexibilityNo cancel fee	On-time62%
Sun Country Air	Cheapest$310	Average$974	FlexibilityNo cancel fee	On-time83%
United Airlines	Cheapest$312	Average$575	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$382	Average$600	FlexibilityNo cancel fee	On-time63%
Alaska Airlines	Cheapest$474	Average$584	FlexibilityNo cancel fee	On-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.

$126+ 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 10/30. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from California to San Juan with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap 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 September 15, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from California to San Juan

Cheapest flights from California to San JuanExplore 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 September 15, 2025.

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 September 15, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from California to San Juan that are best for you.

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.

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?

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 September 15, 2025.

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

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?

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

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

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

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

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

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

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.

Top 9 airlines flying from California to San Juan

100% Free

Book with Flexibility

Travel Smart

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 September 15, 2025.