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$133+ 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 7/26. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — SJU
May 17 — May 241
Sat 5/17
Sat 5/24
1 adult, Economy
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Cheapflights Tip: The best prices from San Jose to San Juan are usually found in September or July, booked 52 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 May 12, 2025.

Round-trip from

$277
(FlightHub)

One-way from

$133
(Delta)

Popular in

May

Cheapest in

September

Average price

$605
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. 10% potential increase in price ($59 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 12, 2025.

This FlightHub deal was found by Cheapflights users on 5/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/284:28 pmSJC - SJU
2 stops16h 03mSpirit Airlines
Sun 6/18:12 pmSJU - SJC
2 stops19h 21mSpirit Airlines
Deal found 5/11$277
This Delta deal was found by Cheapflights users on 5/12. 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 10/17:00 amSJC - SJU
2 stops12h 08mDelta
Sat 10/1112:57 pmSJU - SJC
1 stop10h 07mDelta
Deal found 5/12$304
This United Airlines deal was found by Cheapflights users on 5/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/26:26 pmSJC - SJU
2 stops14h 31mUnited Airlines
Fri 6/61:05 amSJU - SJC
2 stops15h 16mUnited Airlines
Deal found 5/12$307
This American Airlines deal was found by Cheapflights users on 5/12. 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.
Sat 9/137:16 pmSJC - SJU
2 stops16h 29mAmerican Airlines
Tue 9/168:30 amSJU - SJC
2 stops16h 52mAmerican Airlines
Deal found 5/12$420
This Southwest deal was found by Cheapflights users on 5/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/138:55 pmSJC - SJU
1 stop12h 30mSouthwest
Tue 9/167:20 amSJU - SJC
1 stop13h 15mSouthwest
Deal found 5/12$450

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 May 12, 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

Wed 5/28

4:28 pm-11:31 am

2 stops16h 03m

San Juan Luis Munoz Marin Intl

Sun 6/1

8:12 pm-12:33 pm

2 stops19h 21m

$277

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Mon 6/2

6:26 pm-11:57 am

2 stops14h 31m

San Juan Luis Munoz Marin Intl

Fri 6/6

1:05 am-1:21 pm

2 stops15h 16m

$307

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Thu 5/29

6:30 am-10:47 pm

2 stops13h 17m

San Juan Luis Munoz Marin Intl

Tue 6/3

1:55 pm-11:41 pm

2 stops12h 46m

$424

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Wed 6/4

12:10 pm-5:12 am

1 stop14h 02m

San Juan Luis Munoz Marin Intl

Mon 6/9

12:59 am-10:53 am

1 stop12h 54m

$505

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Fri 8/1

8:55 pm-12:15 pm

1 stop12h 20m

San Juan Luis Munoz Marin Intl

Wed 8/6

11:50 am-9:15 pm

2 stops12h 25m

$583

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Sat 7/26

10:55 pm-1:20 pm

1 stop11h 25m

$133

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Mon 7/21

6:00 am-5:06 am

2 stops20h 06m

$163

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Sun 5/25

2:33 pm-5:04 pm

2 stops23h 31m

$201

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Sun 5/25

6:00 am-10:38 pm

3 stops37h 38m

$221

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Sun 7/20

6:24 pm-11:57 am

2 stops14h 33m

$298

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/11

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 May 9, 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 52 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 December is currently the most expensive (average of $336). 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 May 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 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.

Rainfall in San Juan by month

Plan your trip to San Juan by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Juan 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 when rainfall is around 2.2 in.

Temperature in San Juan by month

Plan your trip to San Juan by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Juan, 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 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 May 12, 2025.
Read through reviews of airlines operating flights from San Jose to San Juan, such as Southwest, Delta and United Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,290 reviews

Crew

8.6

Boarding

8.2

Food

7.1

Comfort

8.0

Overall

8.0

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Southwest
8.0
Very good
4,290 reviews
Southwest
8.0
Very good
4,290 reviews

Crew

8.6

Boarding

8.2

Food

7.1

Comfort

8.0

Overall

8.0

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Delta
8.0
Very good
7,950 reviews
Southwest
8.0
Very good
4,290 reviews

Crew

8.6

Boarding

8.2

Food

7.1

Comfort

8.0

Overall

8.0

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
United Airlines
7.4
Good
8,724 reviews
Southwest
8.0
Very good
4,290 reviews

Crew

8.6

Boarding

8.2

Food

7.1

Comfort

8.0

Overall

8.0

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,290 reviews

Crew

8.6

Boarding

8.2

Food

7.1

Comfort

8.0

Overall

8.0

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Spirit Airlines
6.3
Okay
7,984 reviews
Southwest
8.0
Very good
4,290 reviews

Crew

8.6

Boarding

8.2

Food

7.1

Comfort

8.0

Overall

8.0

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

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 Spirit Airlines is currently your cheapest option to San Juan, with prices starting at $277. Additional round-trip tickets that might be worth considering are offered by Delta and United Airlines, with the lowest prices starting at $304 and $355, respectively. Users have found that Spirit Airlines is 45% 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 $133 on Delta. Other airlines that offer cheap prices include American Airlines from $163 and Frontier from $201 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 December is currently the most expensive (average of $336). 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 May 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$238Average$453FlexibilityNo cancel feeOn-time65%
DeltaCheapest$255Average$474FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$294Average$648FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$328Average$596FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$383Average$566FlexibilityNo cancel feeOn-time63%

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