Luis Munoz Marin Intl

$114+ Cheap flights from San Antonio (SAT) to Luis Munoz Marin Intl (SJU)

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 11/24. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — SJU
Nov 26 — Dec 31
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Antonio to Luis Munoz Marin Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from San Antonio to San Juan Luis Munoz Marin Intl are usually found in September or October, booked 63 days in advance, depart on a Tuesday or Friday and return on a Wednesday

Cheap flight deals from San Antonio to Luis Munoz Marin Intl

Discover tips and strategies to find the most affordable flight options for your journey from San Antonio (SAT) to Luis Munoz Marin Intl (SJU). 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 October 27, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$183
(Spirit)

One-way from

$114
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$322

Good round-trip deal

$213 or less

Good one-way deal

$139 or less
Provider with most accurate pricing for San Antonio-San Juan Luis Munoz Marin Intl flight deals.
Provider most trusted by Cheapflights users for San Antonio-San Juan Luis Munoz Marin Intl flights.
From San Antonio to San Juan Luis Munoz Marin Intl
One-way flight from San Antonio to San Juan Luis Munoz Marin Intl
Highest demand for flights based on searches. 19% potential increase in price ($100 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($22 potential savings vs. average RT price).
Average for round-trip flights in October 2025
Price to beat on a round-trip flight from San Antonio to San Juan Luis Munoz Marin Intl.
Price to beat on a one-way flight from San Antonio to San Juan Luis Munoz Marin Intl.

Find flight deals from San Antonio to Luis Munoz Marin Intl

Cheapest flights from San Antonio to Luis Munoz Marin Intl
Explore the most affordable flight options available from San Antonio to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 27, 2025.

This Spirit deal was found by Cheapflights users on 10/27. 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 Spirit is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/266:25 amSAT - SJU
Nonstop4h 42mSpirit Airlines
Thu 11/276:16 pmSJU - SAT
Nonstop5h 07mSpirit Airlines
Deal found 10/27$183
This Cheapflightsfares deal was found by Cheapflights users on 10/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/216:25 amSAT - SJU
Nonstop4h 42mSpirit Airlines
Tue 11/256:16 pmSJU - SAT
Nonstop5h 07mSpirit Airlines
Deal found 10/27$186
This Priceline deal was found by Cheapflights users on 10/27. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/109:59 amSAT - SJU
Nonstop4h 42mSpirit Airlines
Fri 11/144:08 pmSJU - SAT
Nonstop5h 07mSpirit Airlines
Deal found 10/27$189
This Priceline deal was found by Cheapflights users on 10/27. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/37:37 pmSAT - SJU
1 stop14h 55mSpirit Airlines
Wed 12/107:15 amSJU - SAT
Nonstop5h 07mSpirit Airlines
Deal found 10/27$206
This Cheapflightsfares deal was found by Cheapflights users on 10/26. 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 11/216:25 amSAT - SJU
Nonstop4h 42mSpirit Airlines
Mon 11/2411:55 amSJU - SAT
1 stop8h 37mSpirit Airlines
Deal found 10/26$213
This Kiwi.com deal was found by Cheapflights users on 10/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/810:58 amSAT - SJU
2 stops28h 21mSpirit Airlines
Fri 11/144:08 pmSJU - SAT
Nonstop5h 07mSpirit Airlines
Deal found 10/25$219
This Cheapflightsfares deal was found by Cheapflights users on 10/25. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/36:25 amSAT - SJU
Nonstop4h 42mSpirit Airlines
Mon 12/87:15 amSJU - SAT
Nonstop5h 07mSpirit Airlines
Deal found 10/25$222

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Antonio to Luis Munoz Marin Intl 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 October 27, 2025.
Use the filters below to find and compare flights from San Antonio to San Juan Luis Munoz Marin Intl Airport that are best for you.

Fly from

San Antonio

Fly to

Luis Munoz Marin Intl

Route

Depart

Return

Price

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Tue 11/18

11:35 am-11:13 pm

1 stop9h 38m

San Juan Luis Munoz Marin Intl

Thu 12/11

6:38 pm-12:34 am

1 stop7h 56m

$245

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Sat 1/31

9:20 am-9:30 pm

1 stop10h 10m

San Juan Luis Munoz Marin Intl

Sat 2/7

6:00 am-5:50 pm

1 stop13h 50m

$245

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Sat 1/17

2:00 pm-12:10 am

1 stop8h 10m

San Juan Luis Munoz Marin Intl

Wed 1/21

10:20 am-7:20 pm

1 stop11h 00m

$280

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Tue 12/2

12:45 pm-12:35 am

2 stops9h 50m

San Juan Luis Munoz Marin Intl

Wed 12/10

5:45 am-2:30 pm

2 stops10h 45m

$299

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Sat 2/21

7:00 am-10:22 pm

2 stops13h 22m

San Juan Luis Munoz Marin Intl

Tue 2/24

7:45 am-3:38 pm

1 stop9h 53m

$307

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Tue 3/10

12:10 pm-9:22 pm

1 stop8h 12m

San Juan Luis Munoz Marin Intl

Tue 3/17

6:45 am-3:43 pm

1 stop9h 58m

$318

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Tue 3/10

12:10 pm-9:22 pm

1 stop8h 12m

San Juan Luis Munoz Marin Intl

Tue 3/10

1:05 am-10:32 am

1 stop10h 27m

$330

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Wed 2/18

12:17 pm-10:22 pm

1 stop8h 05m

San Juan Luis Munoz Marin Intl

Tue 2/24

2:05 am-1:08 pm

2 stops13h 03m

$330

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Sun 2/1

7:00 am-12:36 am

2 stops15h 36m

San Juan Luis Munoz Marin Intl

Tue 2/10

8:10 am-5:31 pm

2 stops11h 21m

$335

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Sun 2/22

7:37 pm-6:11 am

1 stop8h 34m

San Juan Luis Munoz Marin Intl

Fri 2/27

2:05 am-1:18 pm

2 stops13h 13m

$335

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 22 results
1
2
3

Compare providers for flights from San Antonio to Luis Munoz Marin Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Antonio to Luis Munoz Marin Intl in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Antonio-San Juan Luis Munoz Marin Intl Airport flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on San Antonio-San Juan Luis Munoz Marin Intl Airport flight deals on Cheapflights vs. CheapOair >95% of the time. Price accuracy is based on data collected from San Antonio-San Juan Luis Munoz Marin Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Antonio-San Juan Luis Munoz Marin Intl Airport flights, Cheapflights users trust CheapOair the most. CheapOair has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Antonio-San Juan Luis Munoz Marin Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

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

Use this chart to determine the optimal time to book a round-trip flight from San Antonio to Luis Munoz Marin Intl. Price data was last updated on October 24, 2025.

Booking 63 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Antonio to San Juan Luis Munoz Marin Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from San Antonio to San Juan Luis Munoz Marin Intl Airport?

Currently, September is the cheapest month in which you can book a flight from San Antonio to San Juan Luis Munoz Marin Intl Airport (average of $116). Flying from San Antonio to San Juan Luis Munoz Marin Intl Airport in January is currently the most expensive (average of $236). 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 Luis Munoz Marin Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 27, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 51% on flights from San Antonio to San Juan Luis Munoz Marin Intl Airport by exploring options for tickets at noon.

What is the cheapest day to fly from San Antonio to San Juan Luis Munoz Marin Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from San Antonio to Luis Munoz Marin Intl. Price data was last updated on October 26, 2025.

Travelers seeking maximum savings on their San Antonio to San Juan Luis Munoz Marin Intl Airport flight should consider departing on Sunday afternoons when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Luis Munoz Marin Intl

Get insights into the airlines that provide service to Luis Munoz Marin Intl. 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 Luis Munoz Marin Intl. Reviews last updated October 27, 2025.
Read reviews from past customers who have flown Southwest, Delta, and United Airlines from San Antonio to San Juan Luis Munoz Marin Intl Airport. 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.

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Overall

8.0

Crew

8.6

Food

7.0

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

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Overall

8.0

Crew

8.6

Food

7.0

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

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Overall

8.0

Crew

8.6

Food

7.0

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

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Overall

8.0

Crew

8.6

Food

7.0

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

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Overall

8.0

Crew

8.6

Food

7.0

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

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Overall

8.0

Crew

8.6

Food

7.0

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 San Antonio to Luis Munoz Marin Intl. 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 Luis Munoz Marin Intl?

    San Antonio (SAT), located 7.6 mi from the city center, is the airport you fly out of when you book flights from San Antonio to San Juan Luis Munoz Marin Intl. 6 airlines have flights from San Antonio to San Juan Luis Munoz Marin Intl on a regular basis. Booking flights from San Antonio to San Juan Luis Munoz Marin Intl should not be difficult; the airport handles an average of 0 outbound flights to San Juan Luis Munoz Marin Intl per day.

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

    Delta, Southwest, and United Airlines can get you from San Antonio to San Juan Luis Munoz Marin Intl Airport in just under 9h 38m. Your travel time can differ by up to 3h 44m. Airlines will cover a distance of 2177 mi. This flight may include one or multiple stops.

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

    Currently priced at $133, Frontier will fly you from San Antonio to San Juan Luis Munoz Marin Intl Airport and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Spirit Airlines and Delta - these airlines can fly you to your destination from $160 and $230, respectively. Frontier is currently priced 67% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from San Antonio to San Juan Luis Munoz Marin Intl Airport one-way?

    The cheapest airline one-way is Spirit Airlines, with whom users have recently found tickets for as low as $122. However, be on the lookout for offers from American Airlines and Delta, as they are both options that can get you from San Antonio to San Juan Luis Munoz Marin Intl Airport for a low price.

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

    The cheapest flight price from San Antonio to San Juan Luis Munoz Marin Intl Airport is $97. On average you can expect to pay $275. The most popular route, (San Antonio - San Juan Luis Munoz Marin Intl), can usually be booked for $179.

  • Where are the most common layover locations when flying from San Antonio to San Juan Luis Munoz Marin Intl Airport?

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

    If you're on a layover in Orlando and looking for things to do, consider visiting Walt Disney World Resort, Universal Orlando Resort, or International Drive. Travelers on a layover in Orlando can visit Walt Disney World Resort, Universal Orlando Resort, and International Drive, by traveling 16.2 mi, 10.2 mi, and 9.9 mi, respectively after landing at Orlando. Travelers in need of a car in Orlando can rent one for about $25 per day.

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

    If you're on a layover in Miami and looking for things to do, consider visiting Kaseya Center, Bayfront Park, or Wynwood Art District. Kaseya Center, Bayfront Park, and Wynwood Art District can be visited by traveling about 6.2 mi, 6.4 mi, and 5.5 mi respectively from Miami. Those on a layover in Miami in need of a rental car can book one at Miami for about $21.

  • Where are the least popular layover locations for San Antonio to San Juan Luis Munoz Marin Intl Airport flights?

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from San Antonio to San Juan Luis Munoz Marin Intl Airport (average of $116). Flying from San Antonio to San Juan Luis Munoz Marin Intl Airport in January is currently the most expensive (average of $236). 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 Juan Luis Munoz Marin Intl Airport?

Book flights to San Juan Luis Munoz Marin Intl Airport if you plan to visit one of these locations
Dorado
Fajardo
Rio Grande
Luquillo
Humacao

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 6 airlines flying from San Antonio to Luis Munoz Marin Intl

Discover the top 6 airlines that operate flights from San Antonio to Luis Munoz Marin Intl. 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 October 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$133Average$574FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$161Average$292FlexibilityNo cancel feeOn-time65%
DeltaCheapest$228Average$427FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$245Average$544FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$268Average$538FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$311Average$490FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.