$91+ 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 2/21. Fares are subject to change and may not be available on all flights or dates of travel.
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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 January 28, 2026.
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 January 28, 2026.
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This CheapOair deal was found by Cheapflights users on 1/27. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This CheapOair deal was found by Cheapflights users on 1/26. 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 CheapOair 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 1/27. 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.
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This CheapOair deal was found by Cheapflights users on 1/25. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This American Airlines deal was found by Cheapflights users on 1/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 Kiwi.com 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 January 28, 2026.
Round-trip from | $280 (Kiwi.com) |
|---|---|
One-way from | $91 (Priceline) |
Popular in | December |
Cheapest in | October |
Average price | $434 |
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
Sun 3/1
5:04 pm-12:39 pm
2 stops17h 35m
San Juan Luis Munoz Marin Intl
Fri 3/6
3:58 am-1:23 pm
1 stop11h 25m
San AntonioSan Juan
SAT - SJU
SATSJU
San Antonio
Thu 6/4
7:34 pm-5:29 am
1 stop8h 55m
San Juan Luis Munoz Marin Intl
Tue 6/9
1:00 am-12:07 pm
2 stops12h 07m
San AntonioSan Juan
SAT - SJU
SATSJU
San Antonio
Mon 6/8
5:10 am-9:15 pm
1 stop15h 05m
San Juan Luis Munoz Marin Intl
Wed 6/17
6:00 am-2:40 pm
1 stop9h 40m
San AntonioSan Juan
SAT - SJU
SATSJU
San Antonio
Sun 4/26
6:20 am-4:23 pm
1 stop9h 03m
San Juan Luis Munoz Marin Intl
Wed 5/6
6:15 am-5:49 pm
1 stop12h 34m
San AntonioSan Juan
SAT - SJU
SATSJU
San Antonio
Thu 4/9
1:22 pm-10:03 pm
1 stop7h 41m
San Juan Luis Munoz Marin Intl
Wed 4/15
3:43 pm-10:29 pm
1 stop7h 46m
San AntonioSan Juan
SAT - SJU
SATSJU
San Antonio
Sat 5/23
7:34 pm-5:29 am
1 stop8h 55m
San Juan Luis Munoz Marin Intl
Sat 5/30
2:05 am-8:31 am
1 stop7h 26m
San AntonioSan Juan
SAT - SJU
SATSJU
San Antonio
Mon 4/20
10:42 am-8:24 pm
1 stop8h 42m
San Juan Luis Munoz Marin Intl
Sat 4/25
7:30 am-5:59 pm
1 stop11h 29m
San AntonioSan Juan
SAT - SJU
SATSJU
San Antonio
Tue 6/9
4:25 pm-11:45 pm
1 stop6h 20m
San Juan Luis Munoz Marin Intl
Sun 6/14
6:05 am-6:00 pm
1 stop12h 55m
San AntonioSan Juan
SAT - SJU
SATSJU
San Antonio
Tue 6/9
6:49 am-9:24 pm
2 stops13h 35m
San Juan Luis Munoz Marin Intl
Sat 6/13
2:05 am-8:31 am
1 stop7h 26m
San AntonioSan Juan
SAT - SJU
SATSJU
San Antonio
Tue 4/21
12:09 pm-9:24 pm
1 stop8h 15m
San Juan Luis Munoz Marin Intl
Tue 4/21
1:00 am-3:46 pm
2 stops15h 46m
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 January 23, 2026.
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.
How often are flights from San Antonio to San Juan delayed?
About 22% of weekly flights between San Antonio and San Juan have experienced delays in the past year, with the average delay time being 123 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 Friday 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 22% 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 January 28, 2026.
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.
Comfort
Entertainment
Overall
Crew
Food
Boarding
Reviews
Thomas,Dec 2025
SEA - DEN
Comfort
Entertainment
Overall
Crew
Food
Boarding
Reviews
Thomas,Dec 2025
SEA - DEN
Comfort
Entertainment
Overall
Crew
Food
Boarding
Reviews
Thomas,Dec 2025
SEA - DEN
Comfort
Entertainment
Overall
Crew
Food
Boarding
Reviews
Thomas,Dec 2025
SEA - DEN
Comfort
Entertainment
Overall
Crew
Food
Boarding
Reviews
Thomas,Dec 2025
SEA - DEN
Comfort
Entertainment
Overall
Crew
Food
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 January 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$130 | Average$359 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$132 | Average$286 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$163 | Average$370 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$222 | Average$483 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$260 | Average$496 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$265 | Average$526 | FlexibilityNo cancel fee | On-time63% |