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$93+ Cheap flights from San Antonio (SAT) 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 4/14. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — SJU
Mar 31 — Apr 71
Mon 3/31
Mon 4/7
1 adult, Economy
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Cheapflights Tip: The best prices from San Antonio to San Juan are usually found in September or April, booked 63 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

Cheap flight deals from San Antonio to San Juan

Discover tips and strategies to find the most affordable flight options for your journey from San Antonio (SAT) 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 March 26, 2025.

Round-trip from

$172
(Cheapflightsfares)

One-way from

$93
(Cheapflightsfares)

Popular in

December

Cheapest in

September

Average price

$369
From San Antonio to San Juan
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One-way flight from San Antonio to San Juan
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Highest demand for flights based on searches. 12% potential increase in price ($60 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from San Antonio to San Juan

Cheapest flights from San Antonio to San Juan
Explore the most affordable flight options available from San Antonio to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 26, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 3/24. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/234:37 pmSAT - SJU
Nonstop4h 28mSpirit Airlines
Wed 4/3011:12 amSJU - SAT
Nonstop5h 09mSpirit Airlines
Deal found 3/24$172
This Booking.com deal was found by Cheapflights users on 3/25. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/304:37 pmSAT - SJU
Nonstop4h 28mMultiple Airlines
Sun 5/49:30 pmSJU - SAT
1 stop23h 01mMultiple Airlines
Deal found 3/25$244
This Delta deal was found by Cheapflights users on 3/25. 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 5/91:25 pmSAT - SJU
1 stop8h 22mDelta
Wed 5/145:43 pmSJU - SAT
1 stop7h 38mDelta
Deal found 3/25$289
This CheapOair deal was found by Cheapflights users on 3/25. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/28:31 pmSAT - SJU
1 stop29h 20mFrontier
Sat 5/109:30 pmSJU - SAT
1 stop13h 22mFrontier
Deal found 3/25$308
This American Airlines deal was found by Cheapflights users on 3/25. 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 5/36:10 amSAT - SJU
1 stop13h 18mAmerican Airlines
Sat 5/101:30 pmSJU - SAT
2 stops10h 32mAmerican Airlines
Deal found 3/25$325
This United deal was found by Cheapflights users on 3/24. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/15:45 amSAT - SJU
1 stop8h 57mUnited Airlines
Tue 10/71:05 amSJU - SAT
1 stop11h 58mUnited Airlines
Deal found 3/24$355

Cheapflights Fare Finder

Customize your flight search to find flights from San Antonio 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 March 26, 2025.
Use the filters below to find and compare flights from San Antonio to San Juan that are best for you.

Fly from

San Antonio

Fly to

San Juan

Route

Depart

Return

Price

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Wed 4/23

4:37 pm-10:05 pm

Nonstop4h 28m

San Juan Luis Munoz Marin Intl

Wed 4/30

11:12 am-3:21 pm

Nonstop5h 09m

$172

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Wed 4/30

4:37 pm-10:05 pm

Nonstop4h 28m

San Juan Luis Munoz Marin Intl

Sun 5/4

9:30 pm-7:31 pm

1 stop23h 01m

$244

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Fri 5/9

1:25 pm-10:47 pm

1 stop8h 22m

San Juan Luis Munoz Marin Intl

Wed 5/14

5:43 pm-12:21 am

1 stop7h 38m

$289

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Fri 5/2

8:31 pm-2:51 am

1 stop29h 20m

San Juan Luis Munoz Marin Intl

Sat 5/10

9:30 pm-9:52 am

1 stop13h 22m

$308

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Sat 5/3

6:02 am-5:14 pm

2 stops10h 12m

San Juan Luis Munoz Marin Intl

Sat 5/10

11:50 am-11:22 pm

1 stop12h 32m

$325

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Sat 4/26

12:04 pm-8:38 pm

1 stop7h 34m

San Juan Luis Munoz Marin Intl

Fri 5/30

1:05 am-12:23 pm

2 stops12h 18m

$361

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Mon 4/14

4:37 pm-10:05 pm

Nonstop4h 28m

$93

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Wed 5/7

7:34 pm-5:12 am

1 stop8h 38m

$133

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Thu 4/3

11:00 am-11:14 pm

1 stop11h 14m

$173

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Fri 5/23

10:42 am-2:32 am

1 stop14h 50m

$189

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

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

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

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

Use this chart to determine the optimal time to book a round-trip flight from San Antonio to San Juan. Price data was last updated on March 21, 2025.

To ensure you get the cheapest price possible for a flight from San Antonio to San Juan, you should look to book at least 63 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

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

Find hourly flight availability from San Antonio 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 March 26, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 53% on flights from San Antonio to San Juan by exploring options for tickets in the morning.

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

Use this chart to determine the cheapest time to fly round-trip from San Antonio to San Juan. Price data was last updated on May 12, 2024.

Travelers seeking maximum savings on their San Antonio to San Juan flight should consider departing on Friday mornings when fares are most often at their lowest. Monday at noon 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 March 26, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta and United Airlines from San Antonio to San Juan to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Food

7.1

Overall

8.1

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.1
Very good
4,273 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Food

7.1

Overall

8.1

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,891 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Food

7.1

Overall

8.1

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,608 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Food

7.1

Overall

8.1

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Food

7.1

Overall

8.1

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Sun Country Air
6.9
Okay
348 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Food

7.1

Overall

8.1

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Related info for your journey

Find useful and relevant information for your journey from San Antonio 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 Antonio to San Juan?

    For a flight from San Antonio to San Juan, you will be flying from San Antonio. San Antonio (SAT) is just 7.6 mi from the center of the city. San Antonio is the only San Antonio airport and it handles 0 outbound flights to San Juan per day. 6 airlines have flights to San Juan from San Antonio on a regular basis.

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

    Flying on Spirit Airlines is currently your cheapest option to San Juan, with prices starting at $172. Additional round-trip tickets that might be worth considering are offered by Delta and Frontier, with the lowest prices starting at $289 and $308, respectively. These flights start at 61% lower than the current average price 3 months from now.

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

    $93 is the cheapest one-way deal found within the past few days, from Spirit Airlines. You may also be able to find cheap deals on American Airlines and Delta, with prices starting from $133 and $157, respectively.

  • What are the cheapest flights from San Antonio to San Juan?

    Looking for the cheapest flight from San Antonio to San Juan? While on average our users pay $177, our data indicates the cheapest price to be $85. The most popular route (San Antonio - San Juan Luis Munoz Marin Intl), is priced around $171.

  • Where are the most common layover locations when flying from San Antonio to San Juan?

    San Antonio to San Juan flights have a layover in Miami most of the time. San Antonio to San Juan flights stop in Orlando the next most. Atlanta follows Orlando in terms of the most frequent layover location on San Antonio to San Juan flights.

  • What are some popular things to do or see while on a layover in Miami?

    Wynwood Art District, Bayside Marketplace, and Bayfront Park are currently the most popular points of interest in Miami at the moment. Wynwood Art District, Bayside Marketplace and Bayfront Park are located about 5.5 mi, 6.4 mi, and 6.4 mi, respectively from Miami if you are interested in checking them out. Those looking to explore during their layover in Miami can rent a car from Miami for about $24 per day.

  • What are some popular points of interest to see during a layover in Orlando?

    Walt Disney World Resort, Universal Orlando Resort, and International Drive are currently the most popular points of interest in Orlando at the moment. Those on a layover in Orlando interested in visiting Walt Disney World Resort, Universal Orlando Resort, or International Drive can do so by traveling 16.2 mi, 10.2 mi, and 9.9 mi, respectively from Orlando. Those looking to explore during their layover in Orlando can rent a car from Orlando for about $29 per day.

  • What are points of interest worth seeing during a layover in Atlanta?

    Georgia Aquarium, Fox Theatre, and World of Coca-Cola are the most popular attractions in Atlanta if you're in need of something to do during your layover. Georgia Aquarium, Fox Theatre, and World of Coca-Cola are located about 8.6 mi, 9.3 mi, and 8.6 mi, respectively from Atlanta Hartsfield-Jackson. Travelers in need of a car in Atlanta can rent one for about $49 per day.

  • Where are the least popular layover locations for San Antonio to San Juan flights?

    Of the flights from San Antonio to San Juan that have layovers, the fewest flights stop in Charlotte. Houston sees the next fewest layovers on San Antonio to San Juan flights.

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

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

  • How can I find direct flights from San Antonio 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 Antonio to San Juan.

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

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

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

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Alternative routes for San Antonio to San Juan

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from San Antonio to San Juan

Discover the top 6 airlines that operate flights from San Antonio 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 March 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$133Average$330FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$169Average$295FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$296Average$551FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$309Average$463FlexibilityNo cancel feeOn-time71%
DeltaCheapest$324Average$483FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$398Average$570FlexibilityNo cancel feeOn-time63%
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