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$122+ Cheap flights from Luis Munoz Marin Intl (SJU) 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 10/30. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — SAT
Oct 19 — Oct 261
Sun 10/19
Sun 10/26
1 adult, Economy
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Cheapflights Tip: The best prices from San Juan Luis Munoz Marin Intl 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 Luis Munoz Marin Intl to San Antonio

Discover tips and strategies to find the most affordable flight options for your journey from Luis Munoz Marin Intl (SJU) 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 19, 2025.

Round-trip from

$180
(Cheapflightsfares)

One-way from

$122
(Cheapflightsfares)

Popular in

November

Cheapest in

August

Average price

$345

Good round-trip deal

$172 or less

Good one-way deal

$91 or less
From San Juan Luis Munoz Marin Intl to San Antonio
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One-way flight from San Juan Luis Munoz Marin Intl 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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Price to beat on a round-trip flight from San Juan Luis Munoz Marin Intl to San Antonio.
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Price to beat on a one-way flight from San Juan Luis Munoz Marin Intl to San Antonio.
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Find flight deals from Luis Munoz Marin Intl to San Antonio

Cheapest flights from Luis Munoz Marin Intl to San Antonio
Explore the most affordable flight options available from Luis Munoz Marin Intl to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 19, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 9/19. 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 Cheapflightsfares 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
Mon 10/271:01 pmSAT - SJU
Nonstop4h 47mSpirit Airlines
Deal found 9/19$180
This Cheapflightsfares deal was found by Cheapflights users on 9/19. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/39:00 amSJU - SAT
Nonstop5h 03mSpirit Airlines
Mon 11/106:20 amSAT - SJU
Nonstop4h 40mSpirit Airlines
Deal found 9/19$182
This Priceline deal was found by Cheapflights users on 9/17. 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 10/108:00 amSJU - SAT
Nonstop5h 06mSpirit Airlines
Mon 10/131:01 pmSAT - SJU
Nonstop4h 47mSpirit Airlines
Deal found 9/17$183
This Cheapflightsfares deal was found by Cheapflights users on 9/19. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/39:00 amSJU - SAT
Nonstop5h 03mSpirit Airlines
Mon 11/176:20 amSAT - SJU
Nonstop4h 40mSpirit Airlines
Deal found 9/19$184
This Cheapflightsfares deal was found by Cheapflights users on 9/17. 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 9/17$186
This Cheapflightsfares deal was found by Cheapflights users on 9/17. 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 9/17$212

Cheapflights Fare Finder

 
Customize your flight search to find flights from Luis Munoz Marin Intl 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 19, 2025.
Use the filters below to find and compare flights from San Juan Luis Munoz Marin Intl Airport to San Antonio that are best for you.

Fly from

Luis Munoz Marin Intl

Fly to

San Antonio

Route

Depart

Return

Price

San JuanSan Antonio

SJU - SAT

SJUSAT

San Juan Luis Munoz Marin Intl

Mon 9/29

10:42 am-3:14 pm

Nonstop5h 32m

San Antonio

Fri 10/3

12:45 pm-12:54 am

1 stop11h 09m

$236

San JuanSan Antonio

SJU - SAT

SJUSAT

San Juan Luis Munoz Marin Intl

Thu 10/30

11:51 am-6:30 pm

1 stop7h 39m

San Antonio

Thu 11/6

6:00 am-7:21 pm

1 stop11h 21m

$242

San JuanSan Antonio

SJU - SAT

SJUSAT

San Juan Luis Munoz Marin Intl

Fri 2/6

7:45 am-3:31 pm

1 stop9h 46m

San Antonio

Mon 2/9

7:00 am-10:22 pm

2 stops13h 22m

$245

San JuanSan Antonio

SJU - SAT

SJUSAT

San Juan Luis Munoz Marin Intl

Wed 10/22

1:05 am-11:37 am

1 stop11h 32m

San Antonio

Tue 10/28

5:30 am-3:36 pm

1 stop9h 06m

$245

San JuanSan Antonio

SJU - SAT

SJUSAT

San Juan Luis Munoz Marin Intl

Sat 10/18

4:51 pm-4:52 pm

2 stops25h 01m

San Antonio

Mon 10/20

1:01 pm-6:48 pm

Nonstop4h 47m

$299

San JuanSan Antonio

SJU - SAT

SJUSAT

San Juan Luis Munoz Marin Intl

Wed 10/22

1:05 am-11:37 am

1 stop11h 32m

San Antonio

Tue 11/11

11:40 am-9:26 pm

1 stop7h 46m

$357

San JuanSan Antonio

SJU - SAT

SJUSAT

San Juan Luis Munoz Marin Intl

Tue 12/9

5:45 am-11:30 am

1 stop7h 45m

San Antonio

Sat 12/13

1:50 pm-11:15 pm

1 stop7h 25m

$368

San JuanSan Antonio

SJU - SAT

SJUSAT

San Juan Luis Munoz Marin Intl

Wed 10/1

5:41 pm-11:59 pm

1 stop7h 18m

San Antonio

Sat 10/4

8:00 am-4:31 pm

1 stop7h 31m

$375

San JuanSan Antonio

SJU - SAT

SJUSAT

San Juan Luis Munoz Marin Intl

Sat 10/4

7:30 am-1:55 pm

1 stop7h 25m

San Antonio

Tue 10/7

10:55 am-9:59 pm

1 stop10h 04m

$375

San JuanSan Antonio

SJU - SAT

SJUSAT

San Juan Luis Munoz Marin Intl

Tue 10/28

1:05 am-1:04 pm

2 stops12h 59m

San Antonio

Mon 11/3

11:40 am-12:36 am

2 stops10h 56m

$375

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 20 results
1
2

Best time to book a flight from Luis Munoz Marin Intl to San Antonio

Have a flexible travel schedule? Discover the best time to fly to San Antonio from Luis Munoz Marin Intl 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 Luis Munoz Marin Intl Airport to San Antonio

How far ahead should I book a flight from San Juan Luis Munoz Marin Intl Airport to San Antonio?

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

The price you pay for your flight from San Juan Luis Munoz Marin Intl Airport to San Antonio may vary depending on when you book. For the best chance of a lower fare, look to book 61 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 Juan Luis Munoz Marin Intl Airport to San Antonio?

Currently, August is the cheapest month in which you can book a flight from San Juan Luis Munoz Marin Intl Airport to San Antonio (average of $295). Flying from San Juan Luis Munoz Marin Intl Airport 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 Luis Munoz Marin Intl 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 19, 2025.

One of the essential ways to save on airfare from San Juan Luis Munoz Marin Intl Airport 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 Luis Munoz Marin Intl Airport to San Antonio?

Use this chart to determine the cheapest time to fly round-trip from Luis Munoz Marin Intl to San Antonio. Price data was last updated on September 14, 2025.

Travelers seeking maximum savings on their San Juan Luis Munoz Marin Intl Airport 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 19, 2025.
See what other customers who have flown with Southwest, Delta, and United Airlines from San Juan Luis Munoz Marin Intl Airport to San Antonio have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,242 reviews

Entertainment

7.5

Crew

8.6

Food

7.0

Boarding

8.1

Overall

8.0

Comfort

8.0

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

Entertainment

7.5

Crew

8.6

Food

7.0

Boarding

8.1

Overall

8.0

Comfort

8.0

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
7,965 reviews
Southwest
8.0
Very good
4,242 reviews

Entertainment

7.5

Crew

8.6

Food

7.0

Boarding

8.1

Overall

8.0

Comfort

8.0

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
8,925 reviews
Southwest
8.0
Very good
4,242 reviews

Entertainment

7.5

Crew

8.6

Food

7.0

Boarding

8.1

Overall

8.0

Comfort

8.0

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

Entertainment

7.5

Crew

8.6

Food

7.0

Boarding

8.1

Overall

8.0

Comfort

8.0

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
8,029 reviews
Southwest
8.0
Very good
4,242 reviews

Entertainment

7.5

Crew

8.6

Food

7.0

Boarding

8.1

Overall

8.0

Comfort

8.0

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 Luis Munoz Marin Intl 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 Luis Munoz Marin Intl?

    Most people fly into San Antonio (SAT) if they book a flight to San Antonio from San Juan Luis Munoz Marin Intl. On average, San Antonio has 0 inbound flights from San Juan Luis Munoz Marin Intl per day from 6 airlines. San Antonio is conveniently located just 7.6 mi from San Antonio’s city center.

  • How long is the flight from San Juan Luis Munoz Marin Intl Airport to San Antonio?

    Spirit Airlines and United Airlines can get you from San Juan Luis Munoz Marin Intl Airport to San Antonio in just under 5h 32m. Your travel time can differ by up to 4h 14m. The distance between San Juan Luis Munoz Marin Intl Airport and San Antonio is about 2177 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from San Juan Luis Munoz Marin Intl Airport to San Antonio round-trip?

    Frontier, at $158, was found to be the cheapest airline from San Juan Luis Munoz Marin Intl Airport to San Antonio.Alternate airlines to your destination round-trip include Spirit Airlines and Delta. Users have found that Frontier is 55% cheaper than the other options available to this destination.

  • What are the cheapest flights from San Juan Luis Munoz Marin Intl Airport to San Antonio?

    While on average a flight from San Juan Luis Munoz Marin Intl Airport to San Antonio is generally $258, 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 $185 for that flight.

  • Can I find deals for flights from Luis Munoz Marin Intl to San Antonio that include hotel bookings?

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

  • How can I find direct flights from Luis Munoz Marin Intl to San Antonio?

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

  • Can I find deals for business class flights from Luis Munoz Marin Intl to San Antonio?

    Yes. Cheapflights offers flight deals from Luis Munoz Marin Intl 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 Luis Munoz Marin Intl Airport to San Antonio?

    Currently, August is the cheapest month in which you can book a flight from San Juan Luis Munoz Marin Intl Airport to San Antonio (average of $295). Flying from San Juan Luis Munoz Marin Intl Airport 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 Luis Munoz Marin Intl to San Antonio

Discover the top 6 airlines that operate flights from Luis Munoz Marin Intl 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 19, 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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