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$135+ Cheap flights from Pasadena, CA 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 8/7. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SJU
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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Cheapflights Tip: The best prices from Pasadena to San Juan are usually found in October or April, booked 13 days in advance, depart on a Tuesday or Monday and return on a Wednesday

Cheap flight deals from Pasadena to San Juan

Keep the following information in mind while searching for Pasadena to San Juan flight deals. Data was last updated July 31, 2025.

Round-trip from

$281
(Kiwi.com)

One-way from

$135
(Priceline)

Popular in

December

Cheapest in

October

Average price

$532
From Pasadena to San Juan
Search Deals
One-way flight from Pasadena to San Juan
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($62 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Pasadena to San Juan

Cheapest flights from Pasadena to San Juan
Explore the most affordable flight options available from Pasadena to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

This Kiwi.com deal was found by Cheapflights users on 7/29. 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.
Fri 8/110:32 pmLAX - SJU
1 stop22h 27mMultiple Airlines
Thu 8/144:12 pmSJU - LAX
1 stop10h 12mMultiple Airlines
Deal found 7/29$281
This CheapOair deal was found by Cheapflights users on 7/29. 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.
Mon 9/1510:59 pmLAX - SJU
2 stops12h 12mSpirit Airlines
Mon 9/2210:42 amSJU - LAX
1 stop14h 16mSpirit Airlines
Deal found 7/29$282
This Kiwi.com deal was found by Cheapflights users on 7/31. 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.
Tue 8/51:57 pmLAX - SJU
1 stop9h 42mFrontier
Fri 8/1510:04 amSJU - LAX
1 stop10h 04mFrontier
Deal found 7/31$285
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Sun 9/2112:56 amLAX - SJU
1 stop11h 46mUnited Airlines
Mon 9/291:05 amSJU - LAX
1 stop10h 50mUnited Airlines
Deal found 7/29$312
This Southwest deal was found by Cheapflights users on 7/31. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/107:20 pmLAX - SJU
2 stops11h 05mSouthwest
Wed 12/1711:20 amSJU - LAX
1 stop10h 45mSouthwest
Deal found 7/31$313

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pasadena 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 31, 2025.
Use the filters below to find and compare flights from Pasadena to San Juan that are best for you.

Fly from

Pasadena

Fly to

San Juan

Route

Depart

Return

Price

Los AngelesSan Juan

LAX - SJU

LAXSJU

Los Angeles

Sun 8/3

10:32 pm-11:59 pm

1 stop22h 27m

San Juan Luis Munoz Marin Intl

Thu 8/14

4:12 pm-11:24 pm

1 stop10h 12m

$281

Los AngelesSan Juan

LAX - SJU

LAXSJU

Los Angeles

Mon 9/15

10:59 pm-2:11 pm

2 stops12h 12m

San Juan Luis Munoz Marin Intl

Mon 9/22

10:42 am-9:58 pm

1 stop14h 16m

$282

Los AngelesSan Juan

LAX - SJU

LAXSJU

Los Angeles

Mon 8/18

1:57 pm-2:39 am

1 stop9h 42m

San Juan Luis Munoz Marin Intl

Fri 8/22

3:55 am-8:08 am

1 stop31h 13m

$283

Los AngelesSan Juan

LAX - SJU

LAXSJU

Los Angeles

Sun 9/21

12:56 am-3:42 pm

1 stop11h 46m

San Juan Luis Munoz Marin Intl

Tue 9/30

1:30 pm-9:34 pm

1 stop11h 04m

$312

Los AngelesSan Juan

LAX - SJU

LAXSJU

Los Angeles

Thu 8/7

10:32 pm-8:39 pm

1 stop19h 07m

$135

Los AngelesSan Juan

LAX - SJU

LAXSJU

Los Angeles

Sun 9/21

10:59 pm-2:11 pm

2 stops12h 12m

$136

Los AngelesSan Juan

LAX - SJU

LAXSJU

Los Angeles

Tue 9/30

8:35 am-10:00 pm

1 stop10h 25m

$138

Los AngelesSan Juan

LAX - SJU

LAXSJU

Los Angeles

Tue 9/9

7:30 am-10:32 pm

1 stop12h 02m

$181

Los AngelesSan Juan

LAX - SJU

LAXSJU

Los Angeles

Tue 9/9

7:20 am-11:57 pm

2 stops13h 37m

$183

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Best time to book a flight from Pasadena to San Juan

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

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

Use this chart to determine the optimal time to book a round-trip flight from Pasadena to San Juan. Price data was last updated on July 25, 2025.

To ensure you get the cheapest price possible for a flight from Pasadena to San Juan, you should look to book at least 13 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, September is the cheapest month in which you can book a flight from Pasadena to San Juan (average of $254). Flying from Pasadena 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 P4S to SJU?

Find hourly flight availability from Pasadena 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 31, 2025.

When flying from Pasadena 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.

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

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

Travelers seeking maximum savings on their Pasadena 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 31, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and JetBlue from Pasadena 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.
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

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.
Delta
8.0
Very good
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

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.
United Airlines
7.4
Good
8,900 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

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.
JetBlue
7.3
Good
2,914 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

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.
Spirit Airlines
6.3
Okay
8,049 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

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.
Frontier
5.9
Fair
3,239 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

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

    One-way options have recently been found by users for as low as $135 on Frontier. Other airlines that offer cheap prices include Spirit Airlines from $136 and Delta from $138 one-way.

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

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

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

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

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

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

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

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Top 7 airlines flying from Pasadena to San Juan

Discover the top 7 airlines that operate flights from Pasadena 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 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$73Average$354FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$221Average$376FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$281Average$494FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$291Average$606FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$317Average$566FlexibilityNo cancel feeOn-time69%
DeltaCheapest$332Average$544FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$404Average$560FlexibilityNo cancel feeOn-time63%

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