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San Juan

$128+ Cheap flights from San Jose (SJC) 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 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — SJU
Aug 2 — Aug 91
Sat 8/2
Sat 8/9
1 adult, Economy
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Cheapflights Tip: The best prices from San Jose to San Juan are usually found in January or September, booked 68 days in advance, depart on a Sunday or Tuesday and return on a Tuesday

Cheap flight deals from San Jose to San Juan

Discover tips and strategies to find the most affordable flight options for your journey from San Jose (SJC) to San Juan (PR1). 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 July 28, 2025.

Round-trip from

$255
(Delta)

One-way from

$128
(Delta)

Popular in

June

Cheapest in

January

Average price

$499
From San Jose to San Juan
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One-way flight from San Jose to San Juan
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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 ($10 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 San Jose to San Juan

Cheapest flights from San Jose to San Juan
Explore the most affordable flight options available from San Jose to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 28, 2025.

This American Airlines deal was found by Cheapflights users on 7/26. 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.
Wed 9/242:08 pmSJC - SJU
2 stops21h 45mAmerican Airlines
Sat 9/273:55 pmSJU - SJC
2 stops21h 03mAmerican Airlines
Deal found 7/26$255
This FlightHub deal was found by Cheapflights users on 7/27. 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.
Thu 9/258:15 amSJC - SJU
2 stops13h 29mSpirit Airlines
Sun 9/282:48 pmSJU - SJC
2 stops27h 33mSpirit Airlines
Deal found 7/27$378
This Delta deal was found by Cheapflights users on 7/26. 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.
Fri 9/53:17 pmSJC - SJU
2 stops18h 53mDelta
Thu 9/1112:58 pmSJU - SJC
2 stops12h 57mDelta
Deal found 7/26$385
This United Airlines deal was found by Cheapflights users on 7/26. 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.
Wed 9/246:20 pmSJC - SJU
2 stops15h 14mUnited Airlines
Fri 9/261:05 amSJU - SJC
2 stops15h 35mUnited Airlines
Deal found 7/26$416
This Alaska Airlines deal was found by Cheapflights users on 7/28. 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 12/315:59 amSJC - SJU
1 stop19h 06mAlaska Airlines
Mon 1/51:30 amSJU - SJC
2 stops45h 18mAlaska Airlines
Deal found 7/28$465
This Southwest deal was found by Cheapflights users on 7/27. 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.
Thu 9/258:55 pmSJC - SJU
1 stop12h 45mSouthwest
Sun 9/285:05 amSJU - SJC
2 stops12h 40mSouthwest
Deal found 7/27$466

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Jose 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 28, 2025.
Use the filters below to find and compare flights from San Jose to San Juan that are best for you.

Fly from

San Jose

Fly to

San Juan

Route

Depart

Return

Price

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Sun 1/18

6:45 am-11:49 pm

1 stop13h 04m

San Juan Luis Munoz Marin Intl

Fri 1/23

7:30 am-6:51 pm

2 stops15h 21m

$255

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Sun 1/18

12:45 pm-6:12 am

2 stops13h 27m

San Juan Luis Munoz Marin Intl

Sat 1/24

8:35 am-5:43 pm

2 stops13h 08m

$345

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Thu 9/25

8:15 am-12:44 am

2 stops13h 29m

San Juan Luis Munoz Marin Intl

Sun 9/28

2:48 pm-3:21 pm

2 stops27h 33m

$378

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Tue 12/30

5:59 am-10:10 am

2 stops24h 11m

San Juan Luis Munoz Marin Intl

Thu 1/1

7:59 am-10:24 pm

2 stops18h 25m

$463

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Wed 12/31

5:59 am-5:05 am

1 stop19h 06m

San Juan Luis Munoz Marin Intl

Mon 1/5

1:30 am-6:48 pm

2 stops45h 18m

$465

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Thu 9/25

8:55 pm-12:40 pm

1 stop12h 45m

San Juan Luis Munoz Marin Intl

Sun 9/28

5:05 am-2:45 pm

2 stops12h 40m

$466

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Sun 9/7

6:30 am-10:07 pm

1 stop12h 37m

$128

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Sat 8/16

12:39 pm-2:17 pm

2 stops22h 38m

$154

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Tue 11/25

6:30 am-8:50 pm

2 stops10h 20m

$243

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Sat 8/16

6:15 am-11:59 pm

2 stops14h 44m

$253

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Showing 1-10 of 12 results
1
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Best time to book a flight from San Jose to San Juan

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

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

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

The price you pay for your flight from San Jose to San Juan may vary depending on when you book. For the best chance of a lower fare, look to book 68 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

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

Find hourly flight availability from San Jose 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 28, 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 by exploring options for tickets at noon.

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

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

Travelers seeking maximum savings on their San Jose to San Juan 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.

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

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 28, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Delta from San Jose 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.1

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

Comfort

7.8

Boarding

8.1

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.1

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
4,237 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.1

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
7,971 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.1

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
8,893 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.1

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

Comfort

7.8

Boarding

8.1

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.1

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 San Juan. 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?

    Most people fly from San Jose (SJC) if they book a flight from San Jose to San Juan. On average, San Jose has 0 outbound flights to San Juan per day from 5 airlines. San Jose is conveniently located just 2.9 mi from San Jose’s city center.

  • What are the cheapest airlines flying from San Jose to San Juan round-trip?

    Flying on Delta is currently your cheapest option to San Juan, with prices starting at $255. Additional round-trip tickets that might be worth considering are offered by United Airlines and Spirit Airlines, with the lowest prices starting at $345 and $378, respectively. Users have found that Delta is 51% cheaper than the other options available to this destination.

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

    One-way options have recently been found by users for as low as $128 on Delta. Other airlines that offer cheap prices include Spirit Airlines from $154 and Southwest from $243 one-way.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from San Jose to San Juan (average of $254). Flying from San Jose 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 5 airlines flying from San Jose to San Juan

Discover the top 5 airlines that operate flights from San Jose 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 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$232Average$434FlexibilityNo cancel feeOn-time65%
DeltaCheapest$255Average$505FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$328Average$574FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$383Average$563FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$414Average$634FlexibilityNo cancel feeOn-time71%

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