$102+ 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 12/24. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — SAT
Jan 17 — Jan 241
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Luis Munoz Marin Intl to San Antonio 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 Juan Luis Munoz Marin Intl to San Antonio are usually found in October or March, booked 61 days in advance, depart on a Thursday or Wednesday and return on a Tuesday
Cheap flight deals from Luis Munoz Marin Intl to San Antonio
Cheapest flights from Luis Munoz Marin Intl to San AntonioExplore 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 December 18, 2025.
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 December 18, 2025.
This Expedia deal was found by Cheapflights users on 12/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/226:00 amSJU - SAT
1 stop14h 16mFrontier
Mon 1/57:11 pmSAT - SJU
1 stop27h 06mFrontier
Deal found 12/17![Frontier logo]()
$231
This Frontier deal was found by Cheapflights users on 12/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/226:00 amSJU - SAT
1 stop14h 16mFrontier
Mon 12/297:11 pmSAT - SJU
1 stop12h 12mFrontier
Deal found 12/15![Frontier logo]()
$245
This Frontier deal was found by Cheapflights users on 12/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/226:00 amSJU - SAT
1 stop14h 16mFrontier
Fri 1/27:11 pmSAT - SJU
1 stop11h 43mFrontier
Deal found 12/15![Frontier logo]()
$249
This Cheapflightsfares deal was found by Cheapflights users on 12/15. 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 12/266:30 amSJU - SAT
Nonstop5h 07mSpirit Airlines
Mon 1/510:42 amSAT - SJU
Nonstop4h 41mSpirit Airlines
Deal found 12/15![Spirit Airlines logo]()
$255
This eDestinos deal was found by Cheapflights users on 12/14. 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.
Wed 12/242:59 amSJU - SAT
1 stop10h 51mSpirit Airlines
Mon 1/510:42 amSAT - SJU
Nonstop4h 41mSpirit Airlines
Deal found 12/14![Spirit Airlines logo]()
$256
This Cheapflightsfares deal was found by Cheapflights users on 12/15. 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 12/226:30 amSJU - SAT
Nonstop5h 07mSpirit Airlines
Fri 1/210:42 amSAT - SJU
Nonstop4h 41mSpirit Airlines
Deal found 12/15![Spirit Airlines logo]()
$269
This Orbitz deal was found by Cheapflights users on 12/16. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/255:09 pmSJU - SAT
1 stop27h 07mFrontier
Mon 1/57:11 pmSAT - SJU
1 stop27h 06mFrontier
Deal found 12/16![Frontier logo]()
$272
This Expedia deal was found by Cheapflights users on 12/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/259:37 pmSJU - SAT
1 stop22h 39mMultiple Airlines
Mon 1/510:42 amSAT - SJU
Nonstop4h 41mMultiple Airlines
Deal found 12/15![Multiple Airlines logo]()
$273
This Expedia deal was found by Cheapflights users on 12/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/226:30 amSJU - SAT
Nonstop5h 07mMultiple Airlines
Mon 1/57:11 pmSAT - SJU
1 stop27h 06mMultiple Airlines
Deal found 12/17![Multiple Airlines logo]()
$274
Find 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 December 18, 2025.
Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $215 (Expedia) |
One-way from | $102 (Priceline) |
Popular in | July |
Cheapest in | October |
Average price | $358 |
Good round-trip deal | $231 or less |
Good one-way deal | $206 or less |
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 December 18, 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
Fri 2/6
6:27 pm-12:38 am
1 stop8h 11m
San Antonio
Wed 2/11
8:00 am-8:58 pm
1 stop10h 58m
$245
San JuanSan Antonio
SJU - SAT
SJUSAT
San Juan Luis Munoz Marin Intl
Tue 1/27
7:45 am-1:19 pm
1 stop7h 34m
San Antonio
Tue 2/3
7:40 am-4:36 pm
1 stop6h 56m
$245
San JuanSan Antonio
SJU - SAT
SJUSAT
San Juan Luis Munoz Marin Intl
Fri 1/16
3:49 pm-10:00 pm
1 stop8h 11m
San Antonio
Mon 1/19
9:30 am-10:26 pm
1 stop10h 56m
$245
San JuanSan Antonio
SJU - SAT
SJUSAT
San Juan Luis Munoz Marin Intl
Tue 1/27
2:05 am-1:19 pm
2 stops13h 14m
San Antonio
Tue 2/3
11:43 am-12:36 am
2 stops10h 53m
$245
San JuanSan Antonio
SJU - SAT
SJUSAT
San Juan Luis Munoz Marin Intl
Sat 2/14
6:15 am-4:58 pm
1 stop12h 43m
San Antonio
Sat 2/21
8:00 am-9:12 pm
1 stop11h 12m
$245
San JuanSan Antonio
SJU - SAT
SJUSAT
San Juan Luis Munoz Marin Intl
Wed 2/18
8:15 am-4:58 pm
2 stops10h 43m
San Antonio
Sun 2/22
8:19 pm-3:12 pm
1 stop16h 53m
$245
San JuanSan Antonio
SJU - SAT
SJUSAT
San Juan Luis Munoz Marin Intl
Wed 1/14
3:55 pm-11:23 pm
1 stop9h 28m
San Antonio
Thu 1/22
1:40 pm-11:45 pm
1 stop8h 05m
$245
San JuanSan Antonio
SJU - SAT
SJUSAT
San Juan Luis Munoz Marin Intl
Wed 1/28
3:55 pm-12:38 am
1 stop10h 43m
San Antonio
Tue 2/3
5:20 am-2:31 pm
1 stop7h 11m
$245
San JuanSan Antonio
SJU - SAT
SJUSAT
San Juan Luis Munoz Marin Intl
Tue 2/10
6:27 pm-12:38 am
1 stop8h 11m
$123
San JuanSan Antonio
SJU - SAT
SJUSAT
San Juan Luis Munoz Marin Intl
Wed 5/13
1:00 am-1:08 pm
2 stops13h 08m
$123
Showing 1-10 of 14 results
Compare providers for flights from Luis Munoz Marin Intl to San Antonio
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 Luis Munoz Marin Intl to San Antonio in December.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on San Juan Luis Munoz Marin Intl Airport-San Antonio flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on San Juan Luis Munoz Marin Intl Airport-San Antonio flight deals on Cheapflights vs. CheapOair >95% of the time. Price accuracy is based on data collected from San Juan Luis Munoz Marin Intl Airport-San Antonio flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Juan Luis Munoz Marin Intl Airport-San Antonio 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 Juan Luis Munoz Marin Intl Airport-San Antonio 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 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
Prices
More
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 December 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, September is the cheapest month in which you can book a flight from San Juan Luis Munoz Marin Intl Airport to San Antonio (average of $120). Flying from San Juan Luis Munoz Marin Intl Airport to San Antonio in December is currently the most expensive (average of $178). 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 December 18, 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 evening tend to be the most expensive. A flight in the morning could potentially save you up to 39% 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 December 13, 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 evenings flights should be avoided if possible as fares are typically the most expensive at this time.
What’s the top layover airport for flights from San Juan Luis Munoz Marin Intl Airport to San Antonio?
Share of 1-stop round-trip flights from San Juan Luis Munoz Marin Intl Airport to San Antonio chosen by Cheapflights users in the past 12 months, using the same layover each way.
Houston (IAH) – chosen by Cheapflights users on 75% of 1-stop itineraries from San Juan Luis Munoz Marin Intl Airport to San Antonio on Cheapflights.
What’s the cheapest layover airport for flights from San Juan Luis Munoz Marin Intl Airport to San Antonio?
Average round-trip fare for 1-stop flights from San Juan Luis Munoz Marin Intl Airport to San Antonio, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Houston (IAH) is the most affordable 1-stop option, with an average round-trip price of $451.
What’s the fastest layover option from San Juan Luis Munoz Marin Intl Airport to San Antonio?
Shortest average travel time for 1-stop one-way flights from San Juan Luis Munoz Marin Intl Airport to San Antonio, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Houston (IAH) have the shortest average one-way travel time for 1-stop routes: 7h 15m.
Which airport typically offers the quickest layover for flights from San Juan Luis Munoz Marin Intl Airport to San Antonio?
Average layover duration for 1-stop one-way flights from San Juan Luis Munoz Marin Intl Airport to San Antonio, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Orlando (MCO) offer the fastest connection on this route, with an average layover time of 2h 23m.
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 December 18, 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.
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Overall
7.9
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Overall
7.9
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Overall
7.9
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Overall
7.9
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Overall
7.9
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Overall
7.9
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
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.
Traveling to a place near San Antonio?
Book flights to San Antonio if you plan to visit one of these locationsNew Braunfels
Kerrville
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.
Alternative routes for Luis Munoz Marin Intl to San Antonio
See prices for flight routes from nearby airports that may be better suited for you.
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 December 18, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$122 | Average$382 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$172 | Average$278 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$233 | Average$378 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$245 | Average$436 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$265 | Average$464 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$265 | Average$412 | FlexibilityNo cancel fee | On-time71% |