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Luis Munoz Marin Intl

$173+ Cheap flights from San Jose (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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — SJU
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
1 adult, Economy
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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

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 August 20, 2025.

Round-trip from

$255
(Delta)

One-way from

$173
(United Airlines)

Popular in

June

Cheapest in

September

Average price

$539
From San Jose to San Juan Luis Munoz Marin Intl
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One-way flight from San Jose to San Juan Luis Munoz Marin Intl
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Highest demand for flights based on searches. 8% potential increase in price ($49 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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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 August 20, 2025.

This Delta deal was found by Cheapflights users on 8/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/152:35 pmSJC - SJU
2 stops18h 23mDelta
Wed 11/193:30 pmSJU - SJC
1 stop11h 28mDelta
Deal found 8/19$255
This Delta deal was found by Cheapflights users on 8/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1610:20 pmSJC - SJU
1 stop10h 20mDelta
Thu 11/203:30 pmSJU - SJC
1 stop11h 28mDelta
Deal found 8/19$302
This Alaska Airlines deal was found by Cheapflights users on 8/18. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/312:34 pmSJC - SJU
1 stop10h 31mAlaska Airlines
Tue 1/66:45 amSJU - SJC
1 stop18h 05mAlaska Airlines
Deal found 8/18$323
This Delta deal was found by Cheapflights users on 8/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/910:20 pmSJC - SJU
1 stop10h 20mDelta
Thu 12/183:30 pmSJU - SJC
1 stop11h 28mDelta
Deal found 8/20$341
This United Airlines deal was found by Cheapflights users on 8/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/146:40 pmSJC - SJU
2 stops14h 09mUnited Airlines
Tue 11/182:05 amSJU - SJC
2 stops15h 37mUnited Airlines
Deal found 8/19$345
This SmartFares deal was found by Cheapflights users on 8/20. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/26:35 amSJC - SJU
2 stops15h 08mSpirit Airlines
Thu 10/164:04 pmSJU - SJC
2 stops34h 45mSpirit Airlines
Deal found 8/20$356
This Delta deal was found by Cheapflights users on 8/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/73:45 pmSJC - SJU
2 stops17h 13mDelta
Wed 12/171:50 pmSJU - SJC
1 stop13h 08mDelta
Deal found 8/20$361
This Southwest deal was found by Cheapflights users on 8/18. 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.
Mon 9/228:55 pmSJC - SJU
1 stop12h 50mSouthwest
Fri 9/265:50 amSJU - SJC
1 stop13h 00mSouthwest
Deal found 8/18$362
This Delta deal was found by Cheapflights users on 8/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/156:30 amSJC - SJU
2 stops13h 20mDelta
Fri 11/213:30 pmSJU - SJC
1 stop11h 28mDelta
Deal found 8/19$370
This American Airlines deal was found by Cheapflights users on 8/18. 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 9/206:00 amSJC - SJU
2 stops14h 37mAmerican Airlines
Sat 9/273:55 pmSJU - SJC
2 stops21h 03mAmerican Airlines
Deal found 8/18$373

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 August 20, 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 12/8

5:05 pm-12:40 pm

2 stops15h 35m

San Juan Luis Munoz Marin Intl

Tue 12/16

1:50 pm-10:58 pm

1 stop13h 08m

$255

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Tue 11/11

5:05 pm-12:40 pm

2 stops15h 35m

San Juan Luis Munoz Marin Intl

Wed 11/19

3:30 pm-11:54 pm

2 stops12h 24m

$255

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Mon 11/17

7:00 pm-12:40 pm

2 stops13h 40m

San Juan Luis Munoz Marin Intl

Wed 11/19

1:50 pm-10:58 pm

1 stop13h 08m

$255

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Sun 11/16

10:20 pm-12:40 pm

1 stop10h 20m

San Juan Luis Munoz Marin Intl

Wed 11/19

1:50 pm-10:58 pm

1 stop13h 08m

$255

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Sat 11/15

3:45 pm-12:40 pm

2 stops16h 55m

San Juan Luis Munoz Marin Intl

Wed 11/19

3:30 pm-11:54 pm

2 stops12h 24m

$255

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Sat 11/15

2:35 pm-12:58 pm

2 stops18h 23m

San Juan Luis Munoz Marin Intl

Tue 11/18

7:00 am-5:48 pm

2 stops14h 48m

$255

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Tue 11/11

3:45 pm-12:40 pm

2 stops16h 55m

San Juan Luis Munoz Marin Intl

Tue 11/18

7:00 am-5:48 pm

2 stops14h 48m

$255

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Mon 12/8

5:05 pm-12:40 pm

2 stops15h 35m

San Juan Luis Munoz Marin Intl

Wed 12/17

3:30 pm-10:58 pm

1 stop11h 28m

$255

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Mon 9/15

6:20 pm-12:00 pm

2 stops14h 40m

$173

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Thu 12/4

6:00 am-11:19 pm

2 stops13h 19m

$192

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

Showing 1-10 of 16 results
1
2

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 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 August 8, 2025.

Booking 68 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Jose to San Juan Luis Munoz Marin Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from San Jose to San Juan Luis Munoz Marin Intl Airport?

Currently, September is the cheapest month in which you can book a flight from San Jose to San Juan Luis Munoz Marin Intl Airport (average of $254). Flying from San Jose to San Juan Luis Munoz Marin Intl Airport 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 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 August 20, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 19% on flights from San Jose 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 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 to San Juan Luis Munoz Marin Intl Airport flight should consider departing on Wednesday evenings 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.

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 August 20, 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
4,246 reviews

Overall

8.0

Comfort

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

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
4,246 reviews
Southwest
8.0
Very good
4,246 reviews

Overall

8.0

Comfort

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

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
8.0
Very good
7,982 reviews
Southwest
8.0
Very good
4,246 reviews

Overall

8.0

Comfort

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

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
8,928 reviews
Southwest
8.0
Very good
4,246 reviews

Overall

8.0

Comfort

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

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
10,000 reviews
Southwest
8.0
Very good
4,246 reviews

Overall

8.0

Comfort

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

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
8,039 reviews
Southwest
8.0
Very good
4,246 reviews

Overall

8.0

Comfort

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

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 to San Juan Luis Munoz Marin Intl Airport?

    Departing from San Jose to San Juan Luis Munoz Marin Intl Airport will take you 15h 35m. The distance between San Jose and San Juan Luis Munoz Marin Intl Airport is about 3597 mi.

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

    Cheapflights users have booked flights from San Jose to San Juan Luis Munoz Marin Intl Airport round-trip from $232. Other airlines that can offer you cheap pricing are Delta, from $255, and United Airlines, from $328. Spirit Airlines is currently priced 55% below the average price you’ll pay for this route.

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

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $173. Spirit Airlines flights start at $192 while deals on Delta start at $234 one-way.

  • 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 to San Juan Luis Munoz Marin Intl Airport?

    Currently, September is the cheapest month in which you can book a flight from San Jose to San Juan Luis Munoz Marin Intl Airport (average of $254). Flying from San Jose to San Juan Luis Munoz Marin Intl Airport 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

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 August 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$232Average$434FlexibilityNo cancel feeOn-time65%
DeltaCheapest$255Average$496FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$328Average$575FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$383Average$562FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$414Average$634FlexibilityNo cancel feeOn-time71%

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