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San Juan

$154+ Cheap flights from San Jose, CA (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 2/21. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — SJU
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap 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 January 29, 2026.

This Delta deal was found by Cheapflights users on 1/26. 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.
Wed 4/296:45 am
SJC
-
SJU
2 stops13h 28m
Delta
Wed 5/131:55 pm
SJU
-
SJC
1 stop10h 53m
Delta
Deal found 1/26$296
This Delta deal was found by Cheapflights users on 1/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/108:35 pm
SJC
-
SJU
2 stops14h 40m
Delta
Thu 4/162:34 pm
SJU
-
SJC
1 stop10h 11m
Delta
Deal found 1/27$360
This Alaska Airlines deal was found by Cheapflights users on 1/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1811:08 am
SJC
-
SJU
1 stop14h 24m
Alaska Airlines
Wed 4/226:47 am
SJU
-
SJC
1 stop18h 13m
Alaska Airlines
Deal found 1/26$378
This Delta deal was found by Cheapflights users on 1/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/216:20 am
SJC
-
SJU
2 stops13h 38m
Delta
Tue 2/246:15 am
SJU
-
SJC
2 stops15h 18m
Delta
Deal found 1/27$385
This American Airlines deal was found by Cheapflights users on 1/26. 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.
Sat 4/187:09 pm
SJC
-
SJU
2 stops12h 39m
American Airlines
Wed 4/2211:59 pm
SJU
-
SJC
1 stop13h 19m
American Airlines
Deal found 1/26$401
This United Airlines deal was found by Cheapflights users on 1/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/156:37 pm
SJC
-
SJU
2 stops14h 27m
United Airlines
Thu 6/182:05 am
SJU
-
SJC
1 stop13h 03m
United Airlines
Deal found 1/28$416
This Delta deal was found by Cheapflights users on 1/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1410:20 pm
SJC
-
SJU
1 stop10h 16m
Delta
Wed 10/217:30 am
SJU
-
SJC
1 stop14h 22m
Delta
Deal found 1/28$421
This Southwest deal was found by Cheapflights users on 1/27. 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.
Sun 5/36:30 am
SJC
-
SJU
2 stops11h 25m
Southwest
Fri 5/1510:00 am
SJU
-
SJC
2 stops15h 25m
Southwest
Deal found 1/27$424
This Southwest deal was found by Cheapflights users on 1/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/59:20 am
SJC
-
SJU
1 stop12h 05m
Southwest
Tue 6/165:30 am
SJU
-
SJC
2 stops11h 00m
Southwest
Deal found 1/28$430
This Delta deal was found by Cheapflights users on 1/26. 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.
Wed 4/226:45 am
SJC
-
SJU
2 stops13h 27m
Delta
Thu 5/76:15 am
SJU
-
SJC
2 stops13h 00m
Delta
Deal found 1/26$441
This United Airlines deal was found by Cheapflights users on 1/26. 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 4/226:30 am
SJC
-
SJU
1 stop11h 04m
United Airlines
Thu 5/71:40 pm
SJU
-
SJC
1 stop10h 52m
United Airlines
Deal found 1/26$450

Find 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 January 29, 2026.

Round-trip from

$296
(Delta)

One-way from

$154
(American Airlines)

Popular in

June

Cheapest in

September

Average price

$409
From San Jose to San Juan
Search Deals
One-way flight from San Jose to San Juan
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($42 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 January 2026
Search Deals

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 January 29, 2026.
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

Wed 4/29

6:45 am-11:13 pm

2 stops13h 28m

San Juan Luis Munoz Marin Intl

Wed 5/13

1:55 pm-9:48 pm

1 stop10h 53m

$296

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Sat 2/21

6:20 am-11:58 pm

2 stops13h 38m

San Juan Luis Munoz Marin Intl

Tue 2/24

6:15 am-5:33 pm

2 stops15h 18m

$385

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Sun 5/3

10:55 pm-1:14 pm

1 stop11h 19m

San Juan Luis Munoz Marin Intl

Fri 5/15

1:55 pm-9:48 pm

1 stop10h 53m

$441

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Fri 5/15

9:45 pm-1:45 pm

1 stop13h 00m

San Juan Luis Munoz Marin Intl

Wed 5/20

11:25 am-9:05 pm

2 stops12h 40m

$449

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Fri 5/1

9:45 pm-10:25 am

1 stop9h 40m

San Juan Luis Munoz Marin Intl

Tue 5/5

8:10 am-6:15 pm

2 stops13h 05m

$449

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Wed 4/22

6:30 am-8:34 pm

1 stop11h 04m

San Juan Luis Munoz Marin Intl

Thu 5/7

1:40 pm-9:32 pm

1 stop10h 52m

$450

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Mon 4/13

2:02 pm-4:32 am

1 stop11h 30m

San Juan Luis Munoz Marin Intl

Mon 4/27

11:59 pm-10:35 pm

2 stops25h 36m

$453

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Fri 4/10

2:45 pm-8:55 am

2 stops15h 10m

San Juan Luis Munoz Marin Intl

Thu 4/16

2:00 pm-10:25 pm

2 stops11h 25m

$465

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Mon 6/1

9:45 pm-1:10 pm

1 stop12h 25m

San Juan Luis Munoz Marin Intl

Mon 6/15

5:30 am-3:25 pm

1 stop12h 55m

$474

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Sat 2/21

4:20 pm-11:56 am

2 stops15h 36m

$154

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 18 results
1
2

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, California 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 January 23, 2026.

The best time to book flights from San Jose, California to San Juan is 68 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, January is the cheapest month in which you can book a flight from San Jose, California to San Juan (average of $169). Flying from San Jose, California to San Juan in February is currently the most expensive (average of $321). 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.

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 January 29, 2026.
Get a feel of what it's like to fly with Southwest, Delta, and United Airlines 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.
Southwest
8.0
Very good
4,267 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Crew

8.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Southwest
8.0
Very good
4,267 reviews
Southwest
8.0
Very good
4,267 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Crew

8.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Delta
7.9
Good
8,128 reviews
Southwest
8.0
Very good
4,267 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Crew

8.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
United Airlines
7.4
Good
9,215 reviews
Southwest
8.0
Very good
4,267 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Crew

8.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
American Airlines
7.2
Good
11,205 reviews
Southwest
8.0
Very good
4,267 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Crew

8.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Spirit Airlines
6.3
Okay
8,393 reviews
Southwest
8.0
Very good
4,267 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Crew

8.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

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.

  • How long is the flight from San Jose, California to San Juan?

    For as low as $296, Delta can have you in San Juan from San Jose, California in 13h 28m. There are 3597 mi between San Jose, California and San Juan.

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

    Currently priced at $232, Spirit Airlines will fly you from San Jose, California to San Juan and back. In addition to Spirit Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and United Airlines - these airlines can fly you to your destination from $238 and $298, respectively. Spirit Airlines is 55% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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, California to San Juan?

    Currently, January is the cheapest month in which you can book a flight from San Jose, California to San Juan (average of $169). Flying from San Jose, California to San Juan in February is currently the most expensive (average of $321). 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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$232Average$361FlexibilityNo cancel feeOn-time65%
DeltaCheapest$238Average$453FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$298Average$547FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$383Average$555FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$414Average$671FlexibilityNo cancel feeOn-time71%

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