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San Antonio

$102+ 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 12/31. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — SAT
ene. 22 — ene. 291
jue. 1/22
jue. 1/29
1 adult, Economy
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Cheapflights Tip: The best prices from San Juan to San Antonio are usually found in October or March, booked 61 days in advance, depart on a Thursday or Saturday and return on a Tuesday

Cheap 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 diciembre 23, 2025.

This Priceline deal was found by Cheapflights users on 12/22. 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.
mié. 12/317:30 amSJU - SAT
1 stop11h 31mMultiple Airlines
lun. 1/510:42 amSAT - SJU
Nonstop4h 41mMultiple Airlines
Deal found 12/22$212
This Frontier deal was found by Cheapflights users on 12/21. 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.
mié. 12/317:30 amSJU - SAT
1 stop11h 31mFrontier
vie. 1/27:11 pmSAT - SJU
1 stop11h 43mFrontier
Deal found 12/21$229
This Cheapflightsfares deal was found by Cheapflights users on 12/22. 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.
mié. 12/316:30 amSJU - SAT
Nonstop5h 07mSpirit Airlines
lun. 1/510:42 amSAT - SJU
Nonstop4h 41mSpirit Airlines
Deal found 12/22$249
This FlightHub deal was found by Cheapflights users on 12/22. 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.
lun. 12/296:30 amSJU - SAT
Nonstop5h 07mSpirit Airlines
mié. 1/710:42 amSAT - SJU
Nonstop4h 41mSpirit Airlines
Deal found 12/22$258
This Expedia deal was found by Cheapflights users on 12/22. 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.
jue. 12/255:09 pmSJU - SAT
1 stop27h 07mFrontier
dom. 1/117:14 pmSAT - SJU
1 stop11h 54mFrontier
Deal found 12/22$268
This FlightHub deal was found by Cheapflights users on 12/22. 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.
lun. 12/222:59 amSJU - SAT
1 stop10h 51mSpirit Airlines
dom. 1/116:30 amSAT - SJU
1 stop15h 03mSpirit Airlines
Deal found 12/22$270
This Cheapflightsfares deal was found by Cheapflights users on 12/22. 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.
mié. 12/316:30 amSJU - SAT
Nonstop5h 07mSpirit Airlines
mar. 1/612:45 pmSAT - SJU
1 stop11h 27mSpirit Airlines
Deal found 12/22$272
This Kiwi.com deal was found by Cheapflights users on 12/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/316:30 amSJU - SAT
Nonstop5h 07mSpirit Airlines
jue. 1/111:30 amSAT - SJU
1 stop8h 35mSpirit Airlines
Deal found 12/21$273
This Kiwi.com deal was found by Cheapflights users on 12/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/242:59 amSJU - SAT
1 stop10h 51mMultiple Airlines
dom. 1/117:14 pmSAT - SJU
2 stops29h 59mMultiple Airlines
Deal found 12/22$278

Find 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 diciembre 23, 2025.

Round-trip from

$212
(Priceline)

One-way from

$102
(Frontier)

Popular in

January

Cheapest in

October

Average price

$354
From San Juan to San Antonio
Search Deals
One-way flight from San Juan to San Antonio
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($30 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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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 diciembre 23, 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

mié. 2/25

3:53 am-1:12 pm

1 stop11h 19m

San Antonio

lun. 3/2

1:52 pm-2:53 am

1 stop11h 01m

$231

San JuanSan Antonio

SJU - SAT

SJUSAT

San Juan Luis Munoz Marin Intl

mié. 1/28

6:00 am-2:16 pm

2 stops10h 16m

San Antonio

mar. 2/3

6:14 am-5:01 pm

2 stops8h 47m

$245

San JuanSan Antonio

SJU - SAT

SJUSAT

San Juan Luis Munoz Marin Intl

jue. 2/19

7:30 am-5:22 pm

1 stop11h 52m

San Antonio

mié. 2/25

10:57 am-11:58 pm

1 stop11h 01m

$245

San JuanSan Antonio

SJU - SAT

SJUSAT

San Juan Luis Munoz Marin Intl

mar. 3/10

1:30 am-9:33 am

1 stop9h 03m

San Antonio

mié. 3/18

6:00 am-10:31 pm

1 stop15h 31m

$245

San JuanSan Antonio

SJU - SAT

SJUSAT

San Juan Luis Munoz Marin Intl

mié. 1/28

6:27 pm-12:38 am

1 stop8h 11m

San Antonio

mar. 2/3

8:00 am-5:17 pm

1 stop7h 17m

$245

San JuanSan Antonio

SJU - SAT

SJUSAT

San Juan Luis Munoz Marin Intl

vie. 3/6

8:15 am-11:25 pm

1 stop17h 10m

San Antonio

lun. 3/9

8:08 pm-2:13 pm

1 stop17h 05m

$245

San JuanSan Antonio

SJU - SAT

SJUSAT

San Juan Luis Munoz Marin Intl

mié. 1/28

6:00 am-3:45 pm

2 stops11h 45m

San Antonio

sáb. 1/31

5:10 am-6:22 pm

1 stop11h 12m

$249

San JuanSan Antonio

SJU - SAT

SJUSAT

San Juan Luis Munoz Marin Intl

mié. 1/21

6:00 am-3:45 pm

2 stops11h 45m

San Antonio

sáb. 1/24

5:10 am-11:59 pm

1 stop16h 49m

$249

San JuanSan Antonio

SJU - SAT

SJUSAT

San Juan Luis Munoz Marin Intl

jue. 2/19

5:20 am-1:12 pm

1 stop9h 52m

San Antonio

mié. 2/25

10:26 am-1:24 am

2 stops12h 58m

$264

San JuanSan Antonio

SJU - SAT

SJUSAT

San Juan Luis Munoz Marin Intl

vie. 1/9

5:18 pm-9:40 am

1 stop18h 22m

San Antonio

dom. 1/11

7:14 pm-3:13 am

2 stops29h 59m

$267

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/20

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 December 19, 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, September is the cheapest month in which you can book a flight from San Juan to San Antonio (average of $120). Flying from San Juan to San Antonio in December is currently the most expensive (average of $185). 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 diciembre 23, 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 morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 48% 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 evenings 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 diciembre 23, 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
4,253 reviews

Overall

8.0

Food

7.0

Entertainment

7.5

Comfort

8.0

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,253 reviews
Southwest
8.0
Very good
4,253 reviews

Overall

8.0

Food

7.0

Entertainment

7.5

Comfort

8.0

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,014 reviews
Southwest
8.0
Very good
4,253 reviews

Overall

8.0

Food

7.0

Entertainment

7.5

Comfort

8.0

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,105 reviews
Southwest
8.0
Very good
4,253 reviews

Overall

8.0

Food

7.0

Entertainment

7.5

Comfort

8.0

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,054 reviews
Southwest
8.0
Very good
4,253 reviews

Overall

8.0

Food

7.0

Entertainment

7.5

Comfort

8.0

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Spirit Airlines
6.3
Okay
8,196 reviews
Southwest
8.0
Very good
4,253 reviews

Overall

8.0

Food

7.0

Entertainment

7.5

Comfort

8.0

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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?

    Frontier, American Airlines, and Delta can get you from San Juan to San Antonio in just under 10h 16m. Your travel time can differ by up to 1h 36m. 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 $82 on this airline. Additional options worth looking into are Delta and Spirit Airlines, starting at $122 and $124 round-trip. Frontier is currently priced 75% below the average price you’ll pay for this route.

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

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $81. However, be on the lookout for offers from Spirit Airlines and American Airlines, as they are both options that can get you from San Juan to San Antonio for a low price.

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

    While on average a flight from San Juan to San Antonio is generally $261, our data shows the cheapest flight currently is $103. When looking at the most popular route, (San Juan Luis Munoz Marin Intl - San Antonio), you can expect to pay $213 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, September is the cheapest month in which you can book a flight from San Juan to San Antonio (average of $120). Flying from San Juan to San Antonio in December is currently the most expensive (average of $185). 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 diciembre 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$85Average$378FlexibilityNo cancel feeOn-time62%
DeltaCheapest$122Average$382FlexibilityNo cancel feeOn-timeN/A
Spirit AirlinesCheapest$172Average$281FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$245Average$429FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$265Average$464FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$265Average$413FlexibilityNo cancel feeOn-time71%

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