$83+ Cheap flights from San Antonio (SAT) to San Juan
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 1/8. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from San Antonio to San Juan 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 are usually found in October or September, booked 47 days in advance, depart on a Tuesday or Wednesday and return on a Thursday
Cheap flight deals from San Antonio to San Juan
Cheapest flights from San Antonio to San JuanExplore the most affordable flight options available from San Antonio to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 15, 2025.
Explore the most affordable flight options available from San Antonio to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 15, 2025.
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Super.com 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Expedia deal was found by Cheapflights users on 12/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This eDestinos deal was found by Cheapflights users on 12/13. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Cheapflightsfares deal was found by Cheapflights users on 12/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Cheapflightsfares deal was found by Cheapflights users on 12/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Find flight deals from San Antonio to San Juan
Discover tips and strategies to find the most affordable flight options for your journey from San Antonio (SAT) to San Juan (PR1). 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 15, 2025.
Round-trip from | $194 (Kiwi.com) |
|---|---|
One-way from | $83 (eDestinos) |
Popular in | December |
Cheapest in | October |
Average price | $589 |
Cheapflights Fare Finder
Use the filters below to find and compare flights from San Antonio to San Juan that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
San AntonioSan Juan
SAT - SJU
SATSJU
San Antonio
Wed 2/4
8:00 am-8:58 pm
1 stop10h 58m
San Juan Luis Munoz Marin Intl
Mon 2/9
6:27 pm-12:38 am
1 stop8h 11m
San AntonioSan Juan
SAT - SJU
SATSJU
San Antonio
Tue 1/27
7:40 am-4:36 pm
1 stop6h 56m
San Juan Luis Munoz Marin Intl
Fri 2/6
2:05 am-1:19 pm
2 stops13h 14m
San AntonioSan Juan
SAT - SJU
SATSJU
San Antonio
Tue 2/24
1:35 pm-11:58 pm
1 stop8h 23m
San Juan Luis Munoz Marin Intl
Wed 3/4
6:27 pm-12:34 am
1 stop8h 07m
San AntonioSan Juan
SAT - SJU
SATSJU
San Antonio
Tue 1/13
11:43 am-9:26 pm
1 stop7h 43m
San Juan Luis Munoz Marin Intl
Tue 1/27
7:45 am-3:31 pm
1 stop9h 46m
San AntonioSan Juan
SAT - SJU
SATSJU
San Antonio
Sun 1/11
7:14 pm-9:47 am
1 stop12h 33m
San Juan Luis Munoz Marin Intl
Sun 1/18
6:00 am-9:40 am
1 stop29h 40m
San AntonioSan Juan
SAT - SJU
SATSJU
San Antonio
Fri 5/8
6:05 am-2:55 pm
2 stops7h 50m
San Juan Luis Munoz Marin Intl
Tue 5/12
5:05 am-12:50 pm
1 stop8h 45m
San AntonioSan Juan
SAT - SJU
SATSJU
San Antonio
Wed 1/14
5:10 am-5:01 pm
1 stop9h 51m
San Juan Luis Munoz Marin Intl
Wed 1/21
4:49 pm-11:59 pm
1 stop9h 10m
San AntonioSan Juan
SAT - SJU
SATSJU
San Antonio
Mon 3/9
12:17 pm-9:22 pm
1 stop8h 05m
San Juan Luis Munoz Marin Intl
Mon 3/9
1:05 am-8:46 pm
3 stops20h 41m
San AntonioSan Juan
SAT - SJU
SATSJU
San Antonio
Mon 1/12
8:00 pm-9:47 am
1 stop11h 47m
San Juan Luis Munoz Marin Intl
Mon 1/26
11:15 am-11:52 pm
1 stop14h 37m
San AntonioSan Juan
SAT - SJU
SATSJU
San Antonio
Mon 2/23
11:43 am-9:26 pm
1 stop7h 43m
San Juan Luis Munoz Marin Intl
Tue 2/24
2:05 am-3:38 pm
2 stops15h 33m
Best time to book a flight from San Antonio to San Juan
Have a flexible travel schedule? Discover the best time to fly to San Juan from San Antonio with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from San Antonio to San Juan
How far ahead should I book a flight from San Antonio to San Juan?
Use this chart to determine the optimal time to book a round-trip flight from San Antonio to San Juan. Price data was last updated on December 12, 2025.
To ensure you get the cheapest price possible for a flight from San Antonio to San Juan, you should look to book at least 47 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from San Antonio to San Juan?
Currently, September is the cheapest month in which you can book a flight from San Antonio to San Juan (average of $116). Flying from San Antonio to San Juan in August is currently the most expensive (average of $199). 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 San Juan. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 15, 2025.
Unlike in the afternoon, when flights are generally more expensive, you can save up to 21% on flights from San Antonio to San Juan by exploring options for tickets at noon.
What is the cheapest day to fly from San Antonio to San Juan?
Use this chart to determine the cheapest time to fly round-trip from San Antonio to San Juan. Price data was last updated on December 16, 2024.
Travelers seeking maximum savings on their San Antonio to San Juan 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.
How much does it cost to fly round-trip from San Antonio to San Juan?
How often are flights from San Antonio to San Juan delayed?
About 25% of weekly flights between San Antonio and San Juan have experienced delays in the past year, with the average delay time being 125 minutes.
What is the most punctual flight time for San Antonio to San Juan flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Saturday tends to have the lowest number of delays on this route, whereas Wednesday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on San Antonio to San Juan flights?
Over the last year, Spirit Airlines have had the lowest number of delays on this route, with just 25% of flights being delayed.
Reviews of airlines servicing San Juan
Get insights into the airlines that provide service to San Juan. 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 Juan. Reviews last updated December 15, 2025.
Read through reviews of airlines operating flights from San Antonio to San Juan, such as Southwest, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
Entertainment
Overall
Food
Comfort
Boarding
Reviews
Thomas,Dec 2025
SEA - DEN
Crew
Entertainment
Overall
Food
Comfort
Boarding
Reviews
Thomas,Dec 2025
SEA - DEN
Crew
Entertainment
Overall
Food
Comfort
Boarding
Reviews
Thomas,Dec 2025
SEA - DEN
Crew
Entertainment
Overall
Food
Comfort
Boarding
Reviews
Thomas,Dec 2025
SEA - DEN
Crew
Entertainment
Overall
Food
Comfort
Boarding
Reviews
Thomas,Dec 2025
SEA - DEN
Crew
Entertainment
Overall
Food
Comfort
Boarding
Reviews
Thomas,Dec 2025
SEA - DEN
Related info for your journey
Find useful and relevant information for your journey from San Antonio to San Juan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for San Antonio to San Juan
See prices for flight routes from nearby airports that may be better suited for you.
Top 6 airlines flying from San Antonio to San Juan
Discover the top 6 airlines that operate flights from San Antonio to San Juan. 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 15, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$133 | Average$464 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$164 | Average$290 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$224 | Average$388 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$245 | Average$525 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$265 | Average$530 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$306 | Average$494 | FlexibilityNo cancel fee | On-time71% |