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$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 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — SJU
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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The best prices from San Jose to San Juan are usually found in January or September, 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 February 20, 2025.

Round-trip from

$225
(FlightHub)

One-way from

$128
(FlightHub)

Popular in

March

Cheapest in

January

Average price

$465
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 ($62 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in February 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 February 20, 2025.

This FlightHub deal was found by Cheapflights users on 2/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/82:29 pmSJC - SJU
1 stop29h 58mSpirit Airlines
Mon 4/1412:32 amSJU - SJC
1 stop21h 05mSpirit Airlines
Deal found 2/20$225
This Trip.com deal was found by Cheapflights users on 2/20. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/54:03 pmSJC - SJU
2 stops29h 05mFrontier
Tue 3/119:35 pmSJU - SJC
2 stops20h 28mFrontier
Deal found 2/20$268
This Delta deal was found by Cheapflights users on 2/19. 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.
Fri 9/126:20 pmSJC - SJU
2 stops15h 50mDelta
Wed 9/177:30 amSJU - SJC
2 stops13h 12mDelta
Deal found 2/19$475
This American Airlines deal was found by Cheapflights users on 2/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/512:15 pmSJC - SJU
1 stop12h 54mAmerican Airlines
Tue 3/116:05 amSJU - SJC
1 stop18h 20mAmerican Airlines
Deal found 2/19$495
This United Airlines deal was found by Cheapflights users on 2/19. 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.
Wed 3/53:54 pmSJC - SJU
2 stops16h 53mUnited Airlines
Wed 3/121:25 pmSJU - SJC
1 stop10h 44mUnited Airlines
Deal found 2/19$504
This Expedia deal was found by Cheapflights users on 2/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/112:46 pmSJC - SJU
1 stop11h 14mMultiple Airlines
Sun 3/1610:59 amSJU - SJC
1 stop16h 00mMultiple Airlines
Deal found 2/19$566
This Alaska Airlines deal was found by Cheapflights users on 2/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/66:10 amSJC - SJU
1 stop19h 50mAlaska Airlines
Mon 4/142:35 pmSJU - SJC
2 stops26h 51mAlaska Airlines
Deal found 2/20$578

Find flights from San Jose to San Juan within your budget

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 February 20, 2025.

Fly from

San Jose

Fly to

San Juan

Route

Depart

Return

Price

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Tue 4/8

2:29 pm-11:27 pm

1 stop29h 58m

San Juan Luis Munoz Marin Intl

Mon 4/14

12:32 am-6:37 pm

1 stop21h 05m

$225

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Wed 3/5

4:03 pm-1:08 am

2 stops29h 05m

San Juan Luis Munoz Marin Intl

Tue 3/11

9:35 pm-3:03 pm

2 stops20h 28m

$268

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Sun 4/27

6:15 am-8:23 pm

1 stop11h 08m

San Juan Luis Munoz Marin Intl

Fri 5/2

12:50 pm-9:56 pm

1 stop12h 06m

$475

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Wed 3/5

12:15 pm-5:09 am

1 stop12h 54m

San Juan Luis Munoz Marin Intl

Tue 3/11

6:05 am-9:25 pm

1 stop18h 20m

$495

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Wed 3/5

3:54 pm-12:47 pm

2 stops16h 53m

San Juan Luis Munoz Marin Intl

Wed 3/12

1:25 pm-9:09 pm

1 stop10h 44m

$504

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Tue 3/11

2:46 pm-5:00 am

1 stop11h 14m

San Juan Luis Munoz Marin Intl

Sun 3/16

10:59 am-11:59 pm

1 stop16h 00m

$566

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Sun 4/6

6:10 am-5:00 am

1 stop19h 50m

San Juan Luis Munoz Marin Intl

Mon 4/14

2:35 pm-2:26 pm

2 stops26h 51m

$578

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Wed 8/13

8:55 pm-12:40 pm

1 stop12h 45m

San Juan Luis Munoz Marin Intl

Sun 8/17

5:05 am-1:35 pm

2 stops11h 30m

$715

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Fri 5/2

7:34 pm-11:27 pm

1 stop24h 53m

$128

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Sat 8/16

7:28 pm-11:10 am

2 stops12h 42m

$248

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 13 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.

Travel insights for flights from San Jose to San Juan

Get recent, data-driven insights about flights from San Jose to San Juan including ideal travel times, pricing trends, and more.

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 February 14, 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 March is currently the most expensive (average of $363). 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 February 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 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 February 25, 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 February 20, 2025.
Read through reviews of airlines operating flights from San Jose to San Juan, such as Alaska Airlines, Delta and United Airlines. 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
9,692 reviews

Crew

8.5

Food

7.1

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.1

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines
8.0
Very good
9,692 reviews
Alaska Airlines
8.0
Very good
9,692 reviews

Crew

8.5

Food

7.1

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.1

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Delta
8.0
Very good
8,220 reviews
Alaska Airlines
8.0
Very good
9,692 reviews

Crew

8.5

Food

7.1

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.1

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

United Airlines
7.4
Good
8,766 reviews
Alaska Airlines
8.0
Very good
9,692 reviews

Crew

8.5

Food

7.1

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.1

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,692 reviews

Crew

8.5

Food

7.1

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.1

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Spirit Airlines
6.3
Okay
8,013 reviews
Alaska Airlines
8.0
Very good
9,692 reviews

Crew

8.5

Food

7.1

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.1

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 6 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 $225. Additional round-trip tickets that might be worth considering are offered by Frontier and American Airlines, with the lowest prices starting at $268 and $415, respectively. Users have found that Spirit Airlines is 58% 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 Spirit Airlines. Other airlines that offer cheap prices include American Airlines from $248 and Delta from $273 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 March is currently the most expensive (average of $363). 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 6 airlines flying from San Jose to San Juan

Discover the top 6 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$192Average$681FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$294Average$652FlexibilityNo cancel feeOn-time71%
Spirit AirlinesCheapest$298Average$498FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$328Average$604FlexibilityNo cancel feeOn-time69%
DeltaCheapest$344Average$484FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$383Average$548FlexibilityNo cancel feeOn-time63%
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