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Luis Munoz Marin Intl

$138+ Cheap flights from San Jose, CA (SJC) to Luis Munoz Marin Intl (SJU)

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 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — SJU
Nov 21 — Nov 281
Fri 11/21
Fri 11/28
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from San Jose to San Juan Luis Munoz Marin Intl are usually found in September or January, booked 68 days in advance, depart on a Sunday or Tuesday and return on a Tuesday

Find flight deals from San Jose to Luis Munoz Marin Intl

Cheapest flights from San Jose to Luis Munoz Marin Intl
Explore the most affordable flight options available from San Jose to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 22, 2025.

This Frontier deal was found by Cheapflights users on 10/20. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/176:19 pmSJC - SJU
2 stops19h 35mFrontier
Sun 11/233:59 amSJU - SJC
2 stops15h 56mFrontier
Deal found 10/20$382
This American Airlines deal was found by Cheapflights users on 10/20. 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.
Thu 12/47:16 pmSJC - SJU
2 stops10h 53mAmerican Airlines
Sat 12/136:25 amSJU - SJC
2 stops16h 07mAmerican Airlines
Deal found 10/20$390
This Delta deal was found by Cheapflights users on 10/22. 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 12/410:25 pmSJC - SJU
1 stop10h 20mDelta
Sat 12/137:00 amSJU - SJC
2 stops16h 18mDelta
Deal found 10/22$429
This Southwest deal was found by Cheapflights users on 10/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/46:50 amSJC - SJU
2 stops13h 45mSouthwest
Tue 11/118:55 amSJU - SJC
2 stops12h 25mSouthwest
Deal found 10/21$467
This Delta deal was found by Cheapflights users on 10/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/46:35 amSJC - SJU
1 stop12h 24mDelta
Tue 11/113:32 pmSJU - SJC
1 stop11h 24mDelta
Deal found 10/21$477
This American Airlines deal was found by Cheapflights users on 10/20. 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.
Mon 11/176:00 amSJC - SJU
1 stop11h 35mAmerican Airlines
Mon 11/246:00 amSJU - SJC
2 stops16h 23mAmerican Airlines
Deal found 10/20$483
This Southwest deal was found by Cheapflights users on 10/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/188:25 amSJC - SJU
2 stops12h 10mSouthwest
Tue 11/253:25 pmSJU - SJC
2 stops11h 30mSouthwest
Deal found 10/19$487
This Southwest deal was found by Cheapflights users on 10/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/147:35 pmSJC - SJU
2 stops10h 20mSouthwest
Mon 11/2411:55 amSJU - SJC
2 stops12h 20mSouthwest
Deal found 10/20$497
This Frontier deal was found by Cheapflights users on 10/21. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/36:19 pmSJC - SJU
2 stops19h 35mFrontier
Thu 11/610:39 pmSJU - SJC
2 stops22h 55mFrontier
Deal found 10/21$499
This Frontier deal was found by Cheapflights users on 10/20. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/244:40 pmSJC - SJU
2 stops14h 58mFrontier
Tue 11/2510:22 pmSJU - SJC
2 stops21h 32mFrontier
Deal found 10/20$508
This American Airlines deal was found by Cheapflights users on 10/21. 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 11/83:30 pmSJC - SJU
2 stops14h 47mAmerican Airlines
Sat 11/157:15 amSJU - SJC
2 stops15h 16mAmerican Airlines
Deal found 10/21$515

Cheap flight deals from San Jose to Luis Munoz Marin Intl

Discover tips and strategies to find the most affordable flight options for your journey from San Jose (SJC) to Luis Munoz Marin Intl (SJU). 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 October 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$275
(Delta)

One-way from

$138
(American Airlines)

Popular in

June

Cheapest in

September

Average price

$555
Provider with most accurate pricing for San Jose-San Juan Luis Munoz Marin Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Jose-San Juan Luis Munoz Marin Intl flights.
Search Deals
From San Jose to San Juan Luis Munoz Marin Intl
Search Deals
One-way flight from San Jose to San Juan Luis Munoz Marin Intl
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($51 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Jose to Luis Munoz Marin Intl 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 October 22, 2025.
Use the filters below to find and compare flights from San Jose to San Juan Luis Munoz Marin Intl Airport that are best for you.

Fly from

San Jose

Fly to

Luis Munoz Marin Intl

Route

Depart

Return

Price

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Mon 4/6

7:28 pm-1:43 pm

2 stops39h 15m

San Juan Luis Munoz Marin Intl

Sat 4/18

6:59 am-8:35 pm

1 stop16h 36m

$502

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Tue 4/7

2:34 pm-4:00 am

1 stop10h 26m

San Juan Luis Munoz Marin Intl

Tue 4/14

6:59 am-8:35 pm

1 stop16h 36m

$523

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Mon 11/3

6:35 am-10:59 pm

1 stop12h 24m

San Juan Luis Munoz Marin Intl

Thu 11/6

7:00 am-8:26 pm

2 stops17h 26m

$525

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Wed 1/21

7:00 am-11:49 pm

2 stops12h 49m

San Juan Luis Munoz Marin Intl

Sun 1/25

6:15 am-4:20 pm

2 stops14h 05m

$563

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Tue 11/18

6:30 am-9:00 pm

1 stop10h 30m

San Juan Luis Munoz Marin Intl

Mon 11/24

2:05 am-1:42 pm

2 stops15h 37m

$612

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Sat 2/14

5:00 pm-9:55 pm

2 stops24h 55m

San Juan Luis Munoz Marin Intl

Fri 2/20

7:20 am-7:23 pm

2 stops16h 03m

$643

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Wed 4/8

5:45 am-9:58 pm

2 stops13h 13m

San Juan Luis Munoz Marin Intl

Fri 4/17

2:20 pm-9:15 pm

1 stop9h 55m

$645

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Sun 4/5

10:30 pm-12:00 pm

1 stop10h 30m

San Juan Luis Munoz Marin Intl

Tue 4/14

12:50 pm-9:15 pm

1 stop11h 25m

$645

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Sun 4/5

10:30 pm-12:00 pm

1 stop10h 30m

San Juan Luis Munoz Marin Intl

Fri 4/17

2:20 pm-9:15 pm

1 stop9h 55m

$645

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Sun 11/2

6:40 pm-1:17 pm

2 stops14h 37m

San Juan Luis Munoz Marin Intl

Tue 11/4

2:05 am-1:42 pm

2 stops15h 37m

$657

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/19

Showing 1-10 of 20 results
1
2

Compare providers for flights from San Jose to Luis Munoz Marin Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Jose to Luis Munoz Marin Intl in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Jose, California-San Juan Luis Munoz Marin Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Jose, California-San Juan Luis Munoz Marin Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Jose, California-San Juan Luis Munoz Marin Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Jose, California-San Juan Luis Munoz Marin Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Jose, California-San Juan Luis Munoz Marin Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from San Jose to Luis Munoz Marin Intl

Have a flexible travel schedule? Discover the best time to fly to Luis Munoz Marin Intl from San Jose 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 San Jose to San Juan Luis Munoz Marin Intl Airport

How far ahead should I book a flight from San Jose, California to San Juan Luis Munoz Marin Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from San Jose to Luis Munoz Marin Intl. Price data was last updated on October 17, 2025.

To ensure you get the cheapest price possible for a flight from San Jose, California to San Juan Luis Munoz Marin Intl Airport, you should look to book at least 68 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 San Jose, California to San Juan Luis Munoz Marin Intl Airport?

Currently, December is the cheapest month in which you can book a flight from San Jose, California to San Juan Luis Munoz Marin Intl Airport (average of $169). Flying from San Jose, California to San Juan Luis Munoz Marin Intl Airport in October is currently the most expensive (average of $329). 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 SJC to SJU?

Find hourly flight availability from San Jose to Luis Munoz Marin Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 22, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 18% on flights from San Jose, California to San Juan Luis Munoz Marin Intl Airport by exploring options for tickets at noon.

What is the cheapest day to fly from San Jose, California to San Juan Luis Munoz Marin Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from San Jose to Luis Munoz Marin Intl. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their San Jose, California to San Juan Luis Munoz Marin Intl Airport flight should consider departing on Thursday afternoons when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from San Jose, California to San Juan Luis Munoz Marin Intl Airport?

Reviews of airlines servicing Luis Munoz Marin Intl

Get insights into the airlines that provide service to Luis Munoz Marin Intl. 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 Luis Munoz Marin Intl. Reviews last updated October 22, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta, and United Airlines from San Jose to San Juan Luis Munoz Marin Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,237 reviews

Overall

8.0

Entertainment

7.5

Comfort

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.
Southwest
8.0
Very good
4,237 reviews
Southwest
8.0
Very good
4,237 reviews

Overall

8.0

Entertainment

7.5

Comfort

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.
Delta
7.9
Good
7,981 reviews
Southwest
8.0
Very good
4,237 reviews

Overall

8.0

Entertainment

7.5

Comfort

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.
United Airlines
7.4
Good
8,990 reviews
Southwest
8.0
Very good
4,237 reviews

Overall

8.0

Entertainment

7.5

Comfort

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.
American Airlines
7.2
Good
11,028 reviews
Southwest
8.0
Very good
4,237 reviews

Overall

8.0

Entertainment

7.5

Comfort

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.
Spirit Airlines
6.3
Okay
8,098 reviews
Southwest
8.0
Very good
4,237 reviews

Overall

8.0

Entertainment

7.5

Comfort

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.

Related info for your journey

Find useful and relevant information for your journey from San Jose to Luis Munoz Marin Intl. 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 San Jose to San Juan Luis Munoz Marin Intl?

    San Jose (SJC) is the airport you will fly out of if you book a flight from San Jose to San Juan Luis Munoz Marin Intl. You should not have trouble finding flights to San Juan Luis Munoz Marin Intl from San Jose; the airport handles an average of 0 outbound flights to San Juan Luis Munoz Marin Intl per day. You should also have plenty of airline options to choose from since 5 airlines have flights from the San Jose airport to San Juan Luis Munoz Marin Intl. It is only a 2.9 mi journey to San Jose (SJC) from San Jose’s city center.

  • How long is the flight from San Jose, California to San Juan Luis Munoz Marin Intl Airport?

    A quick flight from San Jose, California to San Juan Luis Munoz Marin Intl Airport can take about 10h 30m. Alaska Airlines provides one of the quickest options available for as low as $612. San Jose, California and San Juan Luis Munoz Marin Intl Airport are separated by a distance of 3597 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from San Jose, California to San Juan Luis Munoz Marin Intl Airport round-trip?

    Flying on Spirit Airlines is currently your cheapest option to San Juan Luis Munoz Marin Intl Airport, with prices starting at $232. Additional round-trip tickets that might be worth considering are offered by Delta and United Airlines, with the lowest prices starting at $255 and $328, respectively. Users have found that Spirit Airlines is 55% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from San Jose, California to San Juan Luis Munoz Marin Intl Airport one-way?

    The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as $138. However, be on the lookout for offers from Southwest and Delta, as they are both options that can get you from San Jose, California to San Juan Luis Munoz Marin Intl Airport for a low price.

  • Can I find deals for flights from San Jose to Luis Munoz Marin Intl that include hotel bookings?

    Yes. In addition to deals on San Jose to Luis Munoz Marin Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Jose to Luis Munoz Marin Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Jose to Luis Munoz Marin Intl.

  • Can I find deals for business class flights from San Jose to Luis Munoz Marin Intl?

    Yes. Cheapflights offers flight deals from San Jose to Luis Munoz Marin Intl 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 San Jose, California to San Juan Luis Munoz Marin Intl Airport?

    Currently, December is the cheapest month in which you can book a flight from San Jose, California to San Juan Luis Munoz Marin Intl Airport (average of $169). Flying from San Jose, California to San Juan Luis Munoz Marin Intl Airport in October is currently the most expensive (average of $329). 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

Traveling to a place near San Juan Luis Munoz Marin Intl Airport?

Book flights to San Juan Luis Munoz Marin Intl Airport if you plan to visit one of these locations
Dorado
Fajardo
Rio Grande
Luquillo
Humacao

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Alternative routes for San Jose to Luis Munoz Marin Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from San Jose to Luis Munoz Marin Intl

Discover the top 5 airlines that operate flights from San Jose to Luis Munoz Marin Intl. 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 October 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$232Average$431FlexibilityNo cancel feeOn-time65%
DeltaCheapest$255Average$493FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$328Average$602FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$383Average$557FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$414Average$634FlexibilityNo cancel feeOn-time71%

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