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$97+ Cheap flights from San Juan to San Antonio (SAT)

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 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — SAT
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheapflights Tip: The best prices from San Juan to San Antonio are usually found in August or March, booked 61 days in advance, depart on a Tuesday or Thursday and return on a Tuesday

Cheap flight deals from San Juan to San Antonio

Discover tips and strategies to find the most affordable flight options for your journey from San Juan (PR1) to San Antonio (SAT). 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 September 15, 2025.

Round-trip from

$180
(Cheapflightsfares)

One-way from

$97
(Kiwi.com)

Popular in

November

Cheapest in

August

Average price

$345
From San Juan to San Antonio
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One-way flight from San Juan to San Antonio
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Highest demand for flights based on searches. 19% potential increase in price ($84 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from San Juan to San Antonio

Cheapest flights from San Juan to San Antonio
Explore the most affordable flight options available from San Juan to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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.
Fri 10/108:00 amSJU - SAT
Nonstop5h 06mSpirit Airlines
Mon 10/131:01 pmSAT - SJU
Nonstop4h 47mSpirit Airlines
Deal found 9/14$180
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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.
Fri 10/310:42 amSJU - SAT
Nonstop5h 32mSpirit Airlines
Mon 10/131:01 pmSAT - SJU
Nonstop4h 47mSpirit Airlines
Deal found 9/15$181
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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.
Thu 10/211:59 amSJU - SAT
1 stop7h 13mSpirit Airlines
Mon 10/61:01 pmSAT - SJU
Nonstop4h 47mSpirit Airlines
Deal found 9/15$183
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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.
Mon 9/2910:42 amSJU - SAT
Nonstop5h 32mSpirit Airlines
Fri 10/312:45 pmSAT - SJU
1 stop11h 09mSpirit Airlines
Deal found 9/15$195
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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.
Thu 10/911:51 amSJU - SAT
1 stop7h 39mSpirit Airlines
Mon 10/131:01 pmSAT - SJU
Nonstop4h 47mSpirit Airlines
Deal found 9/15$212
This Priceline deal was found by Cheapflights users on 9/13. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/248:00 amSJU - SAT
Nonstop5h 06mSpirit Airlines
Wed 11/126:00 amSAT - SJU
1 stop11h 21mSpirit Airlines
Deal found 9/13$214
This eDestinos deal was found by Cheapflights users on 9/14. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2511:59 amSJU - SAT
1 stop7h 13mSpirit Airlines
Mon 9/294:09 pmSAT - SJU
Nonstop4h 26mSpirit Airlines
Deal found 9/14$220

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Juan to San Antonio 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 September 15, 2025.
Use the filters below to find and compare flights from San Juan to San Antonio that are best for you.

Fly from

San Juan

Fly to

San Antonio

Route

Depart

Return

Price

San JuanSan Antonio

SJU - SAT

SJUSAT

San Juan Luis Munoz Marin Intl

Fri 10/24

8:00 am-12:06 pm

Nonstop5h 06m

San Antonio

Thu 10/30

7:35 pm-2:12 pm

2 stops17h 37m

$245

San JuanSan Antonio

SJU - SAT

SJUSAT

San Juan Luis Munoz Marin Intl

Fri 10/17

1:05 am-1:15 pm

2 stops13h 10m

San Antonio

Tue 10/28

5:30 am-3:36 pm

1 stop9h 06m

$309

San JuanSan Antonio

SJU - SAT

SJUSAT

San Juan Luis Munoz Marin Intl

Sat 10/18

7:15 am-5:16 pm

1 stop11h 01m

San Antonio

Tue 10/28

5:14 am-4:33 pm

1 stop10h 19m

$310

San JuanSan Antonio

SJU - SAT

SJUSAT

San Juan Luis Munoz Marin Intl

Wed 10/29

1:05 am-11:20 am

1 stop11h 15m

San Antonio

Thu 11/13

12:12 pm-10:22 pm

1 stop8h 10m

$352

San JuanSan Antonio

SJU - SAT

SJUSAT

San Juan Luis Munoz Marin Intl

Sat 10/18

7:00 am-5:36 pm

1 stop11h 36m

San Antonio

Tue 10/28

6:00 am-3:54 pm

2 stops8h 54m

$370

San JuanSan Antonio

SJU - SAT

SJUSAT

San Juan Luis Munoz Marin Intl

Wed 2/4

2:05 am-1:19 pm

2 stops13h 14m

San Antonio

Sun 2/8

7:30 pm-6:11 am

1 stop8h 41m

$375

San JuanSan Antonio

SJU - SAT

SJUSAT

San Juan Luis Munoz Marin Intl

Fri 12/26

6:30 am-12:30 pm

1 stop8h 00m

San Antonio

Mon 1/5

5:30 am-5:15 pm

1 stop9h 45m

$380

San JuanSan Antonio

SJU - SAT

SJUSAT

San Juan Luis Munoz Marin Intl

Wed 10/1

1:05 am-11:58 am

2 stops11h 53m

San Antonio

Tue 10/7

7:16 am-3:42 pm

1 stop7h 26m

$400

San JuanSan Antonio

SJU - SAT

SJUSAT

San Juan Luis Munoz Marin Intl

Tue 10/28

1:05 am-11:20 am

1 stop11h 15m

San Antonio

Wed 11/5

12:49 pm-12:36 am

1 stop9h 47m

$417

San JuanSan Antonio

SJU - SAT

SJUSAT

San Juan Luis Munoz Marin Intl

Sat 10/25

7:15 am-5:16 pm

1 stop11h 01m

$123

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 17 results
1
2

Best time to book a flight from San Juan to San Antonio

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

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

Use this chart to determine the optimal time to book a round-trip flight from San Juan to San Antonio. Price data was last updated on September 12, 2025.

The best time to book flights from San Juan to San Antonio is 61 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 Juan to San Antonio?

Currently, August is the cheapest month in which you can book a flight from San Juan to San Antonio (average of $295). Flying from San Juan to San Antonio in March is currently the most expensive (average of $376). 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 SJU to SAT?

Find hourly flight availability from San Juan to San Antonio. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2025.

One of the essential ways to save on airfare from San Juan to San Antonio is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the morning could potentially save you up to 41% on airfare.

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

Use this chart to determine the cheapest time to fly round-trip from San Juan to San Antonio. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their San Juan to San Antonio flight should consider departing on Tuesday mornings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing San Antonio

Get insights into the airlines that provide service to San Antonio. 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 Antonio. Reviews last updated September 15, 2025.
Read reviews from past customers who have flown Southwest, Delta, and United Airlines from San Juan to San Antonio. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Food

7.0

Overall

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Food

7.0

Overall

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
8.0
Very good
7,954 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Food

7.0

Overall

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,929 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Food

7.0

Overall

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Food

7.0

Overall

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Spirit Airlines
6.3
Okay
8,015 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Food

7.0

Overall

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

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

    San Antonio (SAT) is the airport you will fly into if you book a flight from San Juan to San Antonio. You should not have trouble finding flights to San Antonio from San Juan; the airport handles an average of 0 inbound flights from San Juan per day. You should also have plenty of airline options to choose from since 6 airlines have flights to the San Antonio airport from San Juan. It is only a 7.6 mi journey from San Antonio (SAT) to San Antonio’s city center.

  • How long is the flight from San Juan to San Antonio?

    Spirit Airlines, United Airlines, and Delta can get you from San Juan to San Antonio in just under 5h 06m. Your travel time can differ by up to 8h 04m. San Juan and San Antonio are separated by a distance of 2177 mi. This flight may include one or multiple stops.

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

    Our cheapest airline available from San Juan to San Antonio is Frontier. Our recent data shows that you can find tickets from as low as $158 on this airline. Additional options worth looking into are Spirit Airlines and Delta, starting at $172 and $236 round-trip. Frontier is currently priced 55% below the average price you’ll pay for this route.

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

    While on average a flight from San Juan to San Antonio is generally $208, our data shows the cheapest flight currently is $83. When looking at the most popular route, (San Juan Luis Munoz Marin Intl - San Antonio), you can expect to pay $180 for that flight.

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

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

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

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Juan to San Antonio.

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

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

    Currently, August is the cheapest month in which you can book a flight from San Juan to San Antonio (average of $295). Flying from San Juan to San Antonio in March is currently the most expensive (average of $376). 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

Traveling to a place near San Antonio?

Book flights to San Antonio if you plan to visit one of these locations
New Braunfels
Kerrville

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Top 6 airlines flying from San Juan to San Antonio

Discover the top 6 airlines that operate flights from San Juan to San Antonio. 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$158Average$324FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$172Average$286FlexibilityNo cancel feeOn-time65%
DeltaCheapest$236Average$383FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$275Average$509FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$276Average$480FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$312Average$435FlexibilityNo cancel feeOn-time71%

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