HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Luis Munoz Marin Intl

$162+ 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 7/11. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — SJU
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Jose to Luis Munoz Marin Intl 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.

Cheapflights Tip: The best prices from San Jose to San Juan Luis Munoz Marin Intl are usually found in September or January, booked 52 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 June 12, 2025.

Round-trip from

$265
(Delta)

One-way from

$162
(FlightHub)

Popular in

June

Cheapest in

September

Average price

$633
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. 7% potential increase in price ($43 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

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 June 12, 2025.

This Delta deal was found by Cheapflights users on 6/12. 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 9/245:00 pmSJC - SJU
2 stops17h 23mDelta
Tue 9/307:00 amSJU - SJC
2 stops15h 22mDelta
Deal found 6/12$265
This FlightHub deal was found by Cheapflights users on 6/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/111:01 amSJC - SJU
2 stops29h 18mSpirit Airlines
Fri 7/41:27 amSJU - SJC
1 stop13h 59mSpirit Airlines
Deal found 6/10$275
This United Airlines deal was found by Cheapflights users on 6/11. 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 11/76:40 pmSJC - SJU
2 stops14h 37mUnited Airlines
Tue 11/118:30 amSJU - SJC
2 stops17h 58mUnited Airlines
Deal found 6/11$317
This Southwest deal was found by Cheapflights users on 6/11. 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.
Sat 7/126:30 amSJC - SJU
1 stop12h 30mSouthwest
Fri 7/185:30 amSJU - SJC
1 stop15h 05mSouthwest
Deal found 6/11$339
This American Airlines deal was found by Cheapflights users on 6/12. 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 9/17:11 pmSJC - SJU
2 stops12h 58mAmerican Airlines
Tue 9/306:10 amSJU - SJC
2 stops19h 33mAmerican Airlines
Deal found 6/12$375
This Frontier deal was found by Cheapflights users on 6/10. 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.
Fri 10/312:17 pmSJC - SJU
2 stops24h 20mFrontier
Sun 10/53:40 amSJU - SJC
2 stops18h 18mFrontier
Deal found 6/10$418
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/306:30 amSJC - SJU
2 stops26h 02mMultiple Airlines
Sun 8/31:37 amSJU - SJC
3 stops35h 59mMultiple Airlines
Deal found 6/10$465
This Alaska Airlines deal was found by Cheapflights users on 6/9. 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.
Sun 7/276:00 amSJC - SJU
1 stop14h 25mAlaska Airlines
Thu 7/3112:59 amSJU - SJC
2 stops24h 32mAlaska Airlines
Deal found 6/9$521

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 June 12, 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

Wed 9/24

5:00 pm-1:23 pm

2 stops17h 23m

San Juan Luis Munoz Marin Intl

Tue 9/30

7:00 am-7:22 pm

2 stops15h 22m

$265

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Tue 7/1

11:01 am-7:19 pm

2 stops29h 18m

San Juan Luis Munoz Marin Intl

Fri 7/4

1:27 am-12:26 pm

1 stop13h 59m

$275

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Fri 11/7

6:40 pm-1:17 pm

2 stops14h 37m

San Juan Luis Munoz Marin Intl

Tue 11/11

8:30 am-10:28 pm

2 stops17h 58m

$317

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Sat 7/12

6:30 am-10:00 pm

1 stop12h 30m

San Juan Luis Munoz Marin Intl

Fri 7/18

5:30 am-5:35 pm

1 stop15h 05m

$339

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Mon 9/1

7:11 pm-11:09 am

2 stops12h 58m

San Juan Luis Munoz Marin Intl

Tue 9/30

6:10 am-10:43 pm

2 stops19h 33m

$375

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Fri 10/3

12:17 pm-3:37 pm

2 stops24h 20m

San Juan Luis Munoz Marin Intl

Sun 10/5

3:40 am-6:58 pm

2 stops18h 18m

$418

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Wed 7/30

6:30 am-11:32 am

2 stops26h 02m

San Juan Luis Munoz Marin Intl

Sun 8/3

1:37 am-10:36 am

3 stops35h 59m

$465

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Sun 7/27

6:00 am-11:25 pm

1 stop14h 25m

San Juan Luis Munoz Marin Intl

Thu 7/31

12:59 am-10:31 pm

2 stops24h 32m

$521

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Fri 7/11

6:30 am-11:32 am

2 stops26h 02m

$162

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Sat 8/16

5:44 pm-11:40 am

2 stops14h 56m

$207

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 13 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 June 9, 2025.

Booking 52 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 June 12, 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.

Rainfall in Luis Munoz Marin Intl by month

Plan your trip to Luis Munoz Marin Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Juan Luis Munoz Marin Intl Airport 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 Luis Munoz Marin Intl Airport when rainfall is around 2.2 in.

Temperature in Luis Munoz Marin Intl by month

Plan your trip to Luis Munoz Marin Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Juan Luis Munoz Marin Intl Airport, 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).

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 June 12, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta from San Jose to San Juan to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

  • 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 $265. Other airlines that can offer you cheap pricing are Spirit Airlines, from $275, and United Airlines, from $317. Delta is currently priced 48% 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 Spirit Airlines, which is currently one of the cheapest options available, starting at $162. Delta flights start at $207 while deals on American Airlines start at $247 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 Jose?

Book flights to San Jose if you plan to visit one of these locations
Dorado
Fajardo
Luquillo
Rio Grande
Humacao
Bayamón

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 San Jose to Luis Munoz Marin Intl

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Luis Munoz Marin Intl flights
San Francisco to Luis Munoz Marin Intl flights
Ontario to Luis Munoz Marin Intl flights
San Diego to Luis Munoz Marin Intl flights
Las Vegas to Luis Munoz Marin Intl flights
Burbank to Luis Munoz Marin Intl flights
Santa Ana to Luis Munoz Marin Intl flights
Sacramento to Luis Munoz Marin Intl flights
Oakland to Luis Munoz Marin Intl flights
Fresno to Luis Munoz Marin Intl flights
Palm Springs to Luis Munoz Marin Intl flights
Reno to Luis Munoz Marin Intl flights
Medford to Luis Munoz Marin Intl flights
Long Beach to Luis Munoz Marin Intl flights
San Luis Obispo to Luis Munoz Marin Intl flights
Santa Rosa to Luis Munoz Marin Intl flights
Merced to Luis Munoz Marin Intl flights

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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$238Average$433FlexibilityNo cancel feeOn-time65%
DeltaCheapest$255Average$486FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$328Average$577FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$348Average$634FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$383Average$573FlexibilityNo cancel feeOn-time63%

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.