$133+ 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 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — SJU
Aug 10 — Aug 171
Round-trip
1 adult, Economy
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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 September or October, booked 16 days in advance, depart on a Tuesday or Monday and return on a Thursday
Cheap flight deals from San Antonio to San Juan
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Best
Last-minute
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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 July 11, 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 July 11, 2026.
This American Airlines deal was found by Cheapflights users on 7/10. 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.
Sun 8/166:00 am
SAT
- SJU
2 stops11h 33m
American Airlines
Thu 8/207:30 am
SJU
- SAT
1 stop14h 45m
American Airlines
Deal found 7/10![American Airlines logo]()
$333
This United Airlines deal was found by Cheapflights users on 7/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/165:30 am
SAT
- SJU
1 stop9h 12m
United Airlines
Thu 8/202:20 pm
SJU
- SAT
1 stop9h 19m
United Airlines
Deal found 7/6![United Airlines logo]()
$336
This United Airlines deal was found by Cheapflights users on 7/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2211:34 am
SAT
- SJU
1 stop8h 04m
United Airlines
Mon 8/241:00 am
SJU
- SAT
2 stops15h 43m
United Airlines
Deal found 7/9![United Airlines logo]()
$338
This American Airlines deal was found by Cheapflights users on 7/8. 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.
Thu 8/2712:29 pm
SAT
- SJU
1 stop10h 30m
American Airlines
Sun 8/303:44 pm
SJU
- SAT
1 stop9h 15m
American Airlines
Deal found 7/8![American Airlines logo]()
$339
This American Airlines deal was found by Cheapflights users on 7/10. 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.
Thu 8/275:00 am
SAT
- SJU
2 stops12h 33m
American Airlines
Tue 9/16:00 am
SJU
- SAT
2 stops9h 53m
American Airlines
Deal found 7/10![American Airlines logo]()
$341
This American Airlines deal was found by Cheapflights users on 7/8. 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.
Wed 8/265:00 am
SAT
- SJU
2 stops12h 33m
American Airlines
Sun 8/303:44 pm
SJU
- SAT
1 stop9h 15m
American Airlines
Deal found 7/8![American Airlines logo]()
$344
This American Airlines deal was found by Cheapflights users on 7/10. 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.
Wed 8/125:15 am
SAT
- SJU
1 stop6h 25m
American Airlines
Tue 8/183:44 pm
SJU
- SAT
1 stop17h 49m
American Airlines
Deal found 7/10![American Airlines logo]()
$346
This United Airlines deal was found by Cheapflights users on 7/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/711:47 am
SAT
- SJU
1 stop7h 51m
United Airlines
Mon 10/122:55 pm
SJU
- SAT
1 stop8h 56m
United Airlines
Deal found 7/11![United Airlines logo]()
$353
This Southwest deal was found by Cheapflights users on 7/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/272:05 pm
SAT
- SJU
2 stops8h 45m
Southwest
Tue 9/11:20 pm
SJU
- SAT
2 stops9h 20m
Southwest
Deal found 7/8![Southwest logo]()
$356
This Faresmojo deal was found by Cheapflights users on 7/9. 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 Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/57:55 am
SAT
- SJU
1 stop12h 10m
JetBlue
Wed 8/128:20 am
SJU
- SAT
1 stop12h 45m
JetBlue
Deal found 7/9![JetBlue logo]()
$361
This Southwest deal was found by Cheapflights users on 7/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1411:50 am
SAT
- SJU
1 stop10h 00m
Southwest
Wed 8/191:20 pm
SJU
- SAT
2 stops9h 20m
Southwest
Deal found 7/7![Southwest logo]()
$366
This United Airlines deal was found by Cheapflights users on 7/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/107:20 pm
SAT
- SJU
1 stop9h 09m
United Airlines
Mon 8/171:00 am
SJU
- SAT
1 stop11h 51m
United Airlines
Deal found 7/7![United Airlines logo]()
$368
Best flights from San Antonio to San JuanDiscover carefully curated flight deals from San Antonio to San Juan that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 11, 2026.
Discover carefully curated flight deals from San Antonio to San Juan that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 11, 2026.
This United Airlines deal was found by Cheapflights users on 7/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2911:34 am
SAT
- SJU
1 stop8h 04m
United Airlines
Sat 9/51:00 am
SJU
- SAT
2 stops16h 31m
United Airlines
Deal found 7/7![United Airlines logo]()
$336
This Southwest deal was found by Cheapflights users on 7/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:30 am
SAT
- SJU
1 stop14h 30m
Southwest
Mon 9/75:30 am
SJU
- SAT
1 stop13h 40m
Southwest
Deal found 7/9![Southwest logo]()
$366
This United Airlines deal was found by Cheapflights users on 7/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1011:47 am
SAT
- SJU
1 stop7h 51m
United Airlines
Fri 10/167:00 am
SJU
- SAT
1 stop9h 53m
United Airlines
Deal found 7/6![United Airlines logo]()
$336
This Southwest deal was found by Cheapflights users on 7/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/101:00 pm
SAT
- SJU
2 stops9h 05m
Southwest
Thu 8/135:00 am
SJU
- SAT
1 stop8h 00m
Southwest
Deal found 7/6![Southwest logo]()
$374
This United Airlines deal was found by Cheapflights users on 7/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2611:47 am
SAT
- SJU
2 stops11h 03m
United Airlines
Tue 9/291:00 am
SJU
- SAT
2 stops15h 53m
United Airlines
Deal found 7/10![United Airlines logo]()
$356
This United Airlines deal was found by Cheapflights users on 7/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:30 am
SAT
- SJU
2 stops16h 20m
United Airlines
Mon 9/281:00 am
SJU
- SAT
2 stops15h 53m
United Airlines
Deal found 7/10![United Airlines logo]()
$356
This Southwest deal was found by Cheapflights users on 7/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/281:00 pm
SAT
- SJU
2 stops9h 50m
Southwest
Mon 8/316:00 am
SJU
- SAT
2 stops9h 45m
Southwest
Deal found 7/8![Southwest logo]()
$412
This Southwest deal was found by Cheapflights users on 7/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/211:00 pm
SAT
- SJU
2 stops9h 50m
Southwest
Tue 8/251:20 pm
SJU
- SAT
2 stops9h 20m
Southwest
Deal found 7/6![Southwest logo]()
$412
This United Airlines deal was found by Cheapflights users on 7/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/37:20 pm
SAT
- SJU
1 stop9h 09m
United Airlines
Mon 8/102:05 am
SJU
- SAT
1 stop7h 21m
United Airlines
Deal found 7/6![United Airlines logo]()
$403
This Southwest deal was found by Cheapflights users on 7/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/241:00 pm
SAT
- SJU
2 stops9h 50m
Southwest
Mon 9/282:35 pm
SJU
- SAT
2 stops9h 20m
Southwest
Deal found 7/9![Southwest logo]()
$439
This Southwest deal was found by Cheapflights users on 7/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/710:00 am
SAT
- SJU
2 stops9h 30m
Southwest
Sun 10/115:30 am
SJU
- SAT
1 stop13h 00m
Southwest
Deal found 7/7![Southwest logo]()
$452
This Southwest deal was found by Cheapflights users on 7/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/211:00 pm
SAT
- SJU
2 stops9h 05m
Southwest
Mon 8/246:00 am
SJU
- SAT
2 stops9h 45m
Southwest
Deal found 7/10![Southwest logo]()
$452
Last-minute flights from San Antonio to San JuanDiscover last-minute flight deals from San Antonio to San Juan. Data last updated July 11, 2026 and is based on user searches.
Discover last-minute flight deals from San Antonio to San Juan. Data last updated July 11, 2026 and is based on user searches.
This Faresmojo deal was found by Cheapflights users on 7/9. 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 Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/57:55 am
SAT
- SJU
1 stop12h 10m
JetBlue
Wed 8/128:20 am
SJU
- SAT
1 stop12h 45m
JetBlue
Deal found 7/9![JetBlue logo]()
$361
This United Airlines deal was found by Cheapflights users on 7/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/107:20 pm
SAT
- SJU
1 stop9h 09m
United Airlines
Mon 8/171:00 am
SJU
- SAT
1 stop11h 51m
United Airlines
Deal found 7/7![United Airlines logo]()
$368
This American Airlines deal was found by Cheapflights users on 7/10. 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.
Wed 8/125:15 am
SAT
- SJU
1 stop6h 25m
American Airlines
Tue 8/183:44 pm
SJU
- SAT
1 stop17h 49m
American Airlines
Deal found 7/10![American Airlines logo]()
$346
This Southwest deal was found by Cheapflights users on 7/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1411:50 am
SAT
- SJU
1 stop10h 00m
Southwest
Wed 8/191:20 pm
SJU
- SAT
2 stops9h 20m
Southwest
Deal found 7/7![Southwest logo]()
$366
This American Airlines deal was found by Cheapflights users on 7/10. 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.
Sun 8/166:00 am
SAT
- SJU
2 stops11h 33m
American Airlines
Thu 8/207:30 am
SJU
- SAT
1 stop14h 45m
American Airlines
Deal found 7/10![American Airlines logo]()
$333
This United Airlines deal was found by Cheapflights users on 7/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/165:30 am
SAT
- SJU
1 stop9h 12m
United Airlines
Thu 8/202:20 pm
SJU
- SAT
1 stop9h 19m
United Airlines
Deal found 7/6![United Airlines logo]()
$336
This Southwest deal was found by Cheapflights users on 7/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/205:35 am
SAT
- SJU
2 stops16h 15m
Southwest
Mon 8/246:00 am
SJU
- SAT
1 stop12h 30m
Southwest
Deal found 7/8![Southwest logo]()
$374
This United Airlines deal was found by Cheapflights users on 7/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2211:34 am
SAT
- SJU
1 stop8h 04m
United Airlines
Mon 8/241:00 am
SJU
- SAT
2 stops15h 43m
United Airlines
Deal found 7/9![United Airlines logo]()
$338
This American Airlines deal was found by Cheapflights users on 7/8. 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.
Wed 8/265:00 am
SAT
- SJU
2 stops12h 33m
American Airlines
Sun 8/303:44 pm
SJU
- SAT
1 stop9h 15m
American Airlines
Deal found 7/8![American Airlines logo]()
$344
This American Airlines deal was found by Cheapflights users on 7/10. 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.
Thu 8/275:15 am
SAT
- SJU
1 stop12h 18m
American Airlines
Sun 8/307:30 am
SJU
- SAT
1 stop15h 39m
American Airlines
Deal found 7/10![American Airlines logo]()
$339
This American Airlines deal was found by Cheapflights users on 7/10. 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.
Thu 8/275:00 am
SAT
- SJU
2 stops12h 33m
American Airlines
Tue 9/16:00 am
SJU
- SAT
2 stops9h 53m
American Airlines
Deal found 7/10![American Airlines logo]()
$341
This Southwest deal was found by Cheapflights users on 7/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/272:05 pm
SAT
- SJU
2 stops8h 45m
Southwest
Tue 9/11:20 pm
SJU
- SAT
2 stops9h 20m
Southwest
Deal found 7/8![Southwest logo]()
$356
One-way flights from San Antonio to San JuanSearch for one-way flight options from San Antonio to San Juan. Find affordable one-way fares based on user searches. Data last updated July 11, 2026.
Search for one-way flight options from San Antonio to San Juan. Find affordable one-way fares based on user searches. Data last updated July 11, 2026.
This American Airlines deal was found by Cheapflights users on 7/8. 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.
Mon 8/316:00 am
SAT
- SJU
1 stop7h 54m
American Airlines
Deal found 7/8![American Airlines logo]()
$133
This American Airlines deal was found by Cheapflights users on 7/8. 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.
Tue 8/42:48 pm
SAT
- SJU
1 stop8h 02m
American Airlines
Deal found 7/8![American Airlines logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 7/8. 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.
Wed 8/54:53 pm
SAT
- SJU
2 stops30h 48m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$150
This United Airlines deal was found by Cheapflights users on 7/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/17:20 pm
SAT
- SJU
1 stop9h 09m
United Airlines
Deal found 7/7![United Airlines logo]()
$168
This American Airlines deal was found by Cheapflights users on 7/8. 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.
Fri 7/318:23 pm
SAT
- SJU
1 stop7h 16m
American Airlines
Deal found 7/8![American Airlines logo]()
$172
This American Airlines deal was found by Cheapflights users on 7/11. 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.
Wed 8/55:15 am
SAT
- SJU
1 stop12h 18m
American Airlines
Deal found 7/11![American Airlines logo]()
$177
This eDestinos deal was found by Cheapflights users on 7/7. 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.
Fri 7/319:51 am
SAT
- SJU
1 stop10h 52m
Frontier
Deal found 7/7![Frontier logo]()
$186
This United Airlines deal was found by Cheapflights users on 7/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/131:00 pm
SAT
- SJU
1 stop9h 50m
United Airlines
Deal found 7/8![United Airlines logo]()
$188
This Kiwi.com deal was found by Cheapflights users on 7/7. 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.
Thu 8/69:55 am
SAT
- SJU
2 stops37h 46m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$192
This American Airlines deal was found by Cheapflights users on 7/8. 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.
Thu 7/308:23 pm
SAT
- SJU
1 stop7h 16m
American Airlines
Deal found 7/8![American Airlines logo]()
$206
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 July 11, 2026.
Round-trip from | $333 (American Airlines) |
|---|---|
One-way from | $133 (American Airlines) |
Popular in | July |
Cheapest in | September |
Average price | $516 |
Cheapflights Fare Finder
Customize your flight search to find flights from San Antonio to San Juan 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 July 11, 2026.
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
Cheapest round-trip
San AntonioSan Juan
SAT - SJU
SATSJU
San Antonio
Sat 8/29
11:34 am-8:38 pm
1 stop8h 04m
San Juan Luis Munoz Marin Intl
Sat 9/5
1:00 am-4:31 pm
2 stops16h 31m
$336
San AntonioSan Juan
SAT - SJU
SATSJU
San Antonio
Sat 10/10
11:47 am-8:38 pm
1 stop7h 51m
San Juan Luis Munoz Marin Intl
Fri 10/16
7:00 am-3:53 pm
1 stop9h 53m
$336
San AntonioSan Juan
SAT - SJU
SATSJU
San Antonio
Sat 9/26
11:47 am-11:50 pm
2 stops11h 03m
San Juan Luis Munoz Marin Intl
Tue 9/29
1:00 am-3:53 pm
2 stops15h 53m
$356
San AntonioSan Juan
SAT - SJU
SATSJU
San Antonio
Tue 9/22
6:30 am-11:50 pm
2 stops16h 20m
San Juan Luis Munoz Marin Intl
Mon 9/28
1:00 am-3:53 pm
2 stops15h 53m
$356
San AntonioSan Juan
SAT - SJU
SATSJU
San Antonio
Wed 9/2
6:30 am-10:00 pm
1 stop14h 30m
San Juan Luis Munoz Marin Intl
Mon 9/7
5:30 am-6:10 pm
1 stop13h 40m
$366
San AntonioSan Juan
SAT - SJU
SATSJU
San Antonio
Mon 8/10
1:00 pm-11:05 pm
2 stops9h 05m
San Juan Luis Munoz Marin Intl
Thu 8/13
5:00 am-12:00 pm
1 stop8h 00m
$374
Quickest round-trip
San AntonioSan Juan
SAT - SJU
SATSJU
San Antonio
Mon 8/3
7:20 pm-5:29 am
1 stop9h 09m
San Juan Luis Munoz Marin Intl
Mon 8/10
2:05 am-8:26 am
1 stop7h 21m
$403
San AntonioSan Juan
SAT - SJU
SATSJU
San Antonio
Fri 8/28
1:00 pm-11:50 pm
2 stops9h 50m
San Juan Luis Munoz Marin Intl
Mon 8/31
6:00 am-2:45 pm
2 stops9h 45m
$412
San AntonioSan Juan
SAT - SJU
SATSJU
San Antonio
Fri 8/21
1:00 pm-11:50 pm
2 stops9h 50m
San Juan Luis Munoz Marin Intl
Tue 8/25
1:20 pm-9:40 pm
2 stops9h 20m
$412
San AntonioSan Juan
SAT - SJU
SATSJU
San Antonio
Thu 9/24
1:00 pm-11:50 pm
2 stops9h 50m
San Juan Luis Munoz Marin Intl
Mon 9/28
2:35 pm-10:55 pm
2 stops9h 20m
$439
Showing 1-10 of 23 resultsSorted by cheapest first
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.
SAT-PR1
SAT-SJU
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
SAT-PR1
SAT-SJU
What is the cheapest month to book a flight from San Antonio to San Juan?
Currently, October is the cheapest month in which you can book a flight from San Antonio to San Juan (average of $87). Flying from San Antonio to San Juan in June is currently the most expensive (average of $245). 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 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 22% of weekly flights between San Antonio and San Juan have experienced delays in the past year, with the average delay time being 115 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?
Wednesday 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.
How far ahead should I book a flight from San Antonio to San Juan?
To ensure you get the cheapest price possible for a flight from San Antonio to San Juan, you should look to book at least 15 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.
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 July 11, 2026.
Read through reviews of airlines operating flights from San Antonio to San Juan, such as Southwest,Delta, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Entertainment
7.5
Food
7.0
Boarding
8.1
Crew
8.6
Overall
7.9
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Comfort
8.0
Entertainment
7.5
Food
7.0
Boarding
8.1
Crew
8.6
Overall
7.9
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Comfort
8.0
Entertainment
7.5
Food
7.0
Boarding
8.1
Crew
8.6
Overall
7.9
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Comfort
8.0
Entertainment
7.5
Food
7.0
Boarding
8.1
Crew
8.6
Overall
7.9
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Comfort
8.0
Entertainment
7.5
Food
7.0
Boarding
8.1
Crew
8.6
Overall
7.9
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Comfort
8.0
Entertainment
7.5
Food
7.0
Boarding
8.1
Crew
8.6
Overall
7.9
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
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
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Complete your trip
Complete your trip to San Juan by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from San Antonio to San Juan, based on your preferred cabin class, be it economy, premium economy, business, or first class.
San Antonio and San Juan flights
Browse other San Antonio and San Juan flight options. Last updated on July 11, 2026.
Other flights from San Antonio
Browse through other flights departing from San Antonio. Flights are based on user searches made on Cheapflights and were last updated on July 11, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 5 airlines flying from San Antonio to San Juan
Discover the top 5 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 July 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$168 | Average$383 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$194 | Average$418 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$232 | Average$445 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$264 | Average$512 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$266 | Average$488 | FlexibilityNo cancel fee | On-time63% |