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$113+ 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 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — SJU
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
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 Tuesday or Wednesday and return on a Wednesday

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 July 29, 2025.

Round-trip from

$223
(Booking.com)

One-way from

$113
(Delta)

Popular in

December

Cheapest in

September

Average price

$472
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. 16% potential increase in price ($83 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($19 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 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 July 29, 2025.

This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/257:19 pmSAT - SJU
2 stops17h 52mSpirit Airlines
Mon 9/2910:42 amSJU - SAT
Nonstop5h 32mSpirit Airlines
Deal found 7/28$223
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/245:00 amSAT - SJU
2 stops12h 14mAmerican Airlines
Wed 10/112:01 pmSJU - SAT
1 stop12h 54mAmerican Airlines
Deal found 7/27$225
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/117:45 amSAT - SJU
1 stop16h 50mMultiple Airlines
Thu 8/143:40 amSJU - SAT
1 stop6h 50mMultiple Airlines
Deal found 7/27$239
This Delta deal was found by Cheapflights users on 7/29. 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.
Tue 12/95:30 amSAT - SJU
1 stop6h 45mDelta
Thu 12/116:20 pmSJU - SAT
1 stop8h 05mDelta
Deal found 7/29$265
This Southwest deal was found by Cheapflights users on 7/29. 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 8/319:00 amSAT - SJU
1 stop11h 05mSouthwest
Sat 9/67:45 amSJU - SAT
1 stop11h 20mSouthwest
Deal found 7/29$275
This Frontier deal was found by Cheapflights users on 7/29. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/119:00 amSAT - SJU
1 stop8h 59mFrontier
Thu 8/143:40 amSJU - SAT
1 stop6h 50mFrontier
Deal found 7/29$278

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 July 29, 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

Thu 9/25

7:19 pm-2:11 pm

2 stops17h 52m

San Juan Luis Munoz Marin Intl

Mon 9/29

10:42 am-3:14 pm

Nonstop5h 32m

$223

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Wed 9/24

5:00 am-6:14 pm

2 stops12h 14m

San Juan Luis Munoz Marin Intl

Wed 10/1

12:01 pm-11:55 pm

1 stop12h 54m

$225

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Mon 8/11

7:45 am-1:35 am

1 stop16h 50m

San Juan Luis Munoz Marin Intl

Thu 8/14

3:40 am-9:30 am

1 stop6h 50m

$239

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Wed 9/24

2:00 pm-10:00 pm

1 stop7h 00m

San Juan Luis Munoz Marin Intl

Wed 10/1

2:26 pm-11:59 pm

1 stop10h 33m

$265

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Sun 8/31

9:00 am-9:05 pm

1 stop11h 05m

San Juan Luis Munoz Marin Intl

Sat 9/6

7:45 am-6:05 pm

1 stop11h 20m

$275

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Mon 8/11

9:00 am-6:59 pm

1 stop8h 59m

San Juan Luis Munoz Marin Intl

Thu 8/14

3:40 am-9:30 am

1 stop6h 50m

$278

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Sun 9/7

5:25 am-4:36 pm

1 stop10h 11m

$113

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Thu 9/25

7:19 pm-11:04 am

1 stop14h 45m

$114

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Fri 8/1

10:16 am-6:38 pm

1 stop7h 22m

$138

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Fri 9/26

5:00 am-11:37 pm

2 stops17h 37m

$149

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 12 results
1
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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 July 25, 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 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 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 July 29, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 44% on flights from San Antonio to San Juan by exploring options for tickets at noon.

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 December 16, 2024.

Travelers seeking maximum savings on their San Antonio to San Juan flight should consider departing on Tuesday afternoons 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.

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 29, 2025.
Read through reviews of airlines operating flights from San Antonio to San Juan, such as Southwest, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,238 reviews

Food

7.0

Comfort

8.0

Overall

8.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
Southwest
8.0
Very good
4,238 reviews
Southwest
8.0
Very good
4,238 reviews

Food

7.0

Comfort

8.0

Overall

8.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
Delta
8.0
Very good
7,979 reviews
Southwest
8.0
Very good
4,238 reviews

Food

7.0

Comfort

8.0

Overall

8.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
United Airlines
7.4
Good
8,896 reviews
Southwest
8.0
Very good
4,238 reviews

Food

7.0

Comfort

8.0

Overall

8.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,238 reviews

Food

7.0

Comfort

8.0

Overall

8.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
Spirit Airlines
6.3
Okay
8,044 reviews
Southwest
8.0
Very good
4,238 reviews

Food

7.0

Comfort

8.0

Overall

8.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.

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 $223. Additional round-trip tickets that might be worth considering are offered by American Airlines and Delta, with the lowest prices starting at $225 and $265, respectively. These flights start at 46% 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?

    $113 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on Spirit Airlines and Frontier, with prices starting from $114 and $138, 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 $223, our data indicates the cheapest price to be $98. The most popular route (San Antonio - San Juan Luis Munoz Marin Intl), is priced around $181.

  • 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.

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

    Wynwood Art District, Bayfront Park, and Bayside Marketplace are currently the most popular points of interest in Miami at the moment. Wynwood Art District, Bayfront Park and Bayside Marketplace 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 $25 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 $35 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 Houston. Atlanta 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 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.

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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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$130Average$443FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$166Average$291FlexibilityNo cancel feeOn-time65%
DeltaCheapest$265Average$445FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$273Average$547FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$292Average$465FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$300Average$559FlexibilityNo cancel feeOn-time63%

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