$144+ 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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — SJU
Sep 8 — Sep 151
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 October or September, 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
Cheapest
Best
Last-minute
One-way
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 August 9, 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 August 9, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/279:55 am -
1 stop13h 04m
Tue 9/15:37 pm -
2 stops23h 36m
Deal found 8/6![Multiple Airlines logo]()
$330
This Kiwi.com deal was found by Cheapflights users on 8/8. 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.
Sun 9/208:20 pm -
2 stops52h 53m
Tue 10/209:49 pm -
1 stop12h 50m
Deal found 8/8![Frontier logo]()
$332
This Kiwi.com deal was found by Cheapflights users on 8/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/289:51 am -
1 stop9h 01m
Tue 9/15:37 pm -
2 stops23h 36m
Deal found 8/6![Multiple Airlines logo]()
$342
This Kiwi.com deal was found by Cheapflights users on 8/8. 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.
Sat 9/55:38 pm -
2 stops29h 56m
Thu 9/106:42 pm -
1 stop15h 28m
Deal found 8/8![Multiple Airlines logo]()
$343
This American Airlines deal was found by Cheapflights users on 8/4. 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 8/285:00 am -
2 stops12h 30m
Sat 8/296:00 am -
2 stops10h 48m
Deal found 8/4![American Airlines logo]()
$351
This American Airlines deal was found by Cheapflights users on 8/4. 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 8/278:55 am -
1 stop14h 04m
Sun 8/303:28 pm -
1 stop9h 31m
Deal found 8/4![American Airlines logo]()
$356
This American Airlines deal was found by Cheapflights users on 8/5. 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.
Sat 9/195:41 pm -
2 stops14h 43m
Sat 9/2611:51 am -
2 stops11h 59m
Deal found 8/5![American Airlines logo]()
$357
This Kiwi.com deal was found by Cheapflights users on 8/7. 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.
Tue 8/117:49 pm -
2 stops27h 39m
Thu 8/1310:48 pm -
1 stop11h 08m
Deal found 8/7![Frontier logo]()
$360
This American Airlines deal was found by Cheapflights users on 8/5. 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 9/27:00 am -
1 stop15h 59m
Wed 9/92:58 pm -
1 stop8h 05m
Deal found 8/5![American Airlines logo]()
$361
This United Airlines deal was found by Cheapflights users on 8/7. 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.
Thu 9/1712:05 pm -
2 stops10h 45m
Sat 9/191:00 am -
1 stop11h 51m
Deal found 8/7![United Airlines logo]()
$371
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 August 9, 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 August 9, 2026.
This United Airlines deal was found by Cheapflights users on 8/7. 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.
Sun 9/67:35 am -
1 stop7h 07m
Fri 9/111:00 am -
2 stops16h 31m
Deal found 8/7![United Airlines logo]()
$356
This Southwest deal was found by Cheapflights users on 8/4. 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 9/47:55 pm -
1 stop12h 30m
Fri 9/115:30 am -
1 stop13h 40m
Deal found 8/4![Southwest logo]()
$394
This United Airlines deal was found by Cheapflights users on 8/4. 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.
Fri 10/2311:47 am -
1 stop7h 51m
Mon 10/261:05 am -
2 stops15h 33m
Deal found 8/4![United Airlines logo]()
$356
This Southwest deal was found by Cheapflights users on 8/4. 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 10/223:20 pm -
2 stops9h 00m
Mon 10/266:00 am -
1 stop13h 50m
Deal found 8/4![Southwest logo]()
$394
This Southwest deal was found by Cheapflights users on 8/4. 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 10/231:10 pm -
2 stops7h 45m
Tue 10/2710:00 am -
2 stops9h 00m
Deal found 8/4![Southwest logo]()
$394
This United Airlines deal was found by Cheapflights users on 8/7. 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 10/1711:47 am -
2 stops11h 03m
Sat 10/3112:00 pm -
2 stops11h 51m
Deal found 8/7![United Airlines logo]()
$446
This Southwest deal was found by Cheapflights users on 8/4. 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.
Sat 9/57:20 am -
2 stops9h 50m
Thu 9/102:35 pm -
2 stops9h 25m
Deal found 8/4![Southwest logo]()
$432
This United Airlines deal was found by Cheapflights users on 8/8. 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 10/296:37 am -
2 stops13h 45m
Fri 11/68:05 am -
2 stops13h 05m
Deal found 8/8![United Airlines logo]()
$484
This Southwest deal was found by Cheapflights users on 8/5. 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 11/1312:25 pm -
2 stops10h 30m
Mon 11/165:40 am -
2 stops9h 35m
Deal found 8/5![Southwest logo]()
$466
This Southwest deal was found by Cheapflights users on 8/8. 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 9/32:05 pm -
2 stops8h 50m
Mon 9/75:30 am -
1 stop13h 40m
Deal found 8/8![Southwest logo]()
$486
This United Airlines deal was found by Cheapflights users on 8/8. 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.
Mon 1/256:43 am -
2 stops13h 39m
Tue 2/21:00 pm -
2 stops11h 48m
Deal found 8/8![United Airlines logo]()
$537
This Southwest deal was found by Cheapflights users on 8/7. 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.
Thu 11/121:10 pm -
2 stops9h 45m
Mon 11/165:40 am -
2 stops9h 35m
Deal found 8/7![Southwest logo]()
$506
Last-minute flights from San Antonio to San JuanDiscover last-minute flight deals from San Antonio to San Juan. Data last updated August 9, 2026 and is based on user searches.
Discover last-minute flight deals from San Antonio to San Juan. Data last updated August 9, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/7. 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.
Tue 8/117:49 pm -
2 stops27h 39m
Thu 8/1310:48 pm -
1 stop11h 08m
Deal found 8/7![Frontier logo]()
$360
This Kiwi.com deal was found by Cheapflights users on 8/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/279:55 am -
1 stop13h 04m
Tue 9/15:37 pm -
2 stops23h 36m
Deal found 8/6![Multiple Airlines logo]()
$330
This American Airlines deal was found by Cheapflights users on 8/4. 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 8/278:55 am -
1 stop14h 04m
Sun 8/303:28 pm -
1 stop9h 31m
Deal found 8/4![American Airlines logo]()
$356
This Kiwi.com deal was found by Cheapflights users on 8/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/289:51 am -
1 stop9h 01m
Tue 9/15:37 pm -
2 stops23h 36m
Deal found 8/6![Multiple Airlines logo]()
$342
This American Airlines deal was found by Cheapflights users on 8/4. 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 8/285:00 am -
2 stops12h 30m
Sat 8/296:00 am -
2 stops10h 48m
Deal found 8/4![American Airlines logo]()
$351
This American Airlines deal was found by Cheapflights users on 8/5. 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 9/27:00 am -
1 stop15h 59m
Wed 9/92:58 pm -
1 stop8h 05m
Deal found 8/5![American Airlines logo]()
$361
This Kiwi.com deal was found by Cheapflights users on 8/8. 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.
Sat 9/55:38 pm -
2 stops29h 56m
Thu 9/106:42 pm -
1 stop15h 28m
Deal found 8/8![Multiple Airlines logo]()
$343
This United Airlines deal was found by Cheapflights users on 8/7. 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.
Thu 9/1712:05 pm -
2 stops10h 45m
Sat 9/191:00 am -
1 stop11h 51m
Deal found 8/7![United Airlines logo]()
$371
This American Airlines deal was found by Cheapflights users on 8/5. 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.
Sat 9/195:00 am -
1 stop8h 45m
Sat 9/2610:16 am -
1 stop12h 47m
Deal found 8/5![American Airlines logo]()
$357
This Kiwi.com deal was found by Cheapflights users on 8/8. 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.
Sun 9/208:20 pm -
2 stops52h 53m
Tue 10/209:49 pm -
1 stop12h 50m
Deal found 8/8![Frontier logo]()
$332
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 August 9, 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 August 9, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/55:38 pm -
2 stops29h 56m
Deal found 8/6![Multiple Airlines logo]()
$144
This Kiwi.com deal was found by Cheapflights users on 8/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/188:20 pm -
2 stops37h 33m
Deal found 8/6![Frontier logo]()
$157
This Kiwi.com deal was found by Cheapflights users on 8/7. 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.
Sun 9/68:26 pm -
2 stops35h 53m
Deal found 8/7![Frontier logo]()
$158
This Kiwi.com deal was found by Cheapflights users on 8/7. 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.
Fri 8/288:26 pm -
2 stops36h 53m
Deal found 8/7![Frontier logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 8/2710:24 pm -
2 stops58h 55m
Deal found 8/7![Frontier logo]()
$168
This Kiwi.com deal was found by Cheapflights users on 8/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/249:25 am -
2 stops37h 33m
Deal found 8/6![Multiple Airlines logo]()
$171
This Super.com deal was found by Cheapflights users on 8/6. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2310:03 am -
1 stop14h 49m
Deal found 8/6![Frontier logo]()
$176
This Southwest deal was found by Cheapflights users on 8/7. 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 8/2811:50 am -
1 stop10h 00m
Deal found 8/7![Southwest logo]()
$178
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 8/279:55 am -
1 stop13h 04m
Deal found 8/7![Multiple Airlines logo]()
$181
This Kiwi.com deal was found by Cheapflights users on 8/7. 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.
Fri 9/48:26 pm -
2 stops18h 31m
Deal found 8/7![Frontier logo]()
$182
This American Airlines deal was found by Cheapflights users on 8/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:00 am -
2 stops13h 47m
Deal found 8/6![American Airlines logo]()
$183
This American Airlines deal was found by Cheapflights users on 8/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/95:00 am -
2 stops14h 47m
Deal found 8/6![American Airlines logo]()
$187
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 August 9, 2026.
Round-trip from | $330 (Kiwi.com) |
|---|---|
One-way from | $144 (Kiwi.com) |
Popular in | July |
Cheapest in | October |
Average price | $394 |
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 August 9, 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 San Antonio - SJU San Juan Luis Munoz Marin Intl
SATSJU
San Antonio
Sun 9/6
7:35 am-3:42 pm
1 stop7h 07m
San Juan Luis Munoz Marin Intl
Fri 9/11
1:00 am-4:31 pm
2 stops16h 31m
$356
San AntonioSan Juan
SAT San Antonio - SJU San Juan Luis Munoz Marin Intl
SATSJU
San Antonio
Fri 10/23
11:47 am-8:38 pm
1 stop7h 51m
San Juan Luis Munoz Marin Intl
Mon 10/26
1:05 am-3:38 pm
2 stops15h 33m
$356
San AntonioSan Juan
SAT San Antonio - SJU San Juan Luis Munoz Marin Intl
SATSJU
San Antonio
Fri 9/4
7:55 pm-9:25 am
1 stop12h 30m
San Juan Luis Munoz Marin Intl
Fri 9/11
5:30 am-6:10 pm
1 stop13h 40m
$394
San AntonioSan Juan
SAT San Antonio - SJU San Juan Luis Munoz Marin Intl
SATSJU
San Antonio
Thu 10/22
3:20 pm-1:20 am
2 stops9h 00m
San Juan Luis Munoz Marin Intl
Mon 10/26
6:00 am-6:50 pm
1 stop13h 50m
$394
Quickest round-trip
San AntonioSan Juan
SAT San Antonio - SJU San Juan Luis Munoz Marin Intl
SATSJU
San Antonio
Fri 10/23
1:10 pm-9:55 pm
2 stops7h 45m
San Juan Luis Munoz Marin Intl
Tue 10/27
10:00 am-6:00 pm
2 stops9h 00m
$394
San AntonioSan Juan
SAT San Antonio - SJU San Juan Luis Munoz Marin Intl
SATSJU
San Antonio
Sat 9/5
7:20 am-6:10 pm
2 stops9h 50m
San Juan Luis Munoz Marin Intl
Thu 9/10
2:35 pm-11:00 pm
2 stops9h 25m
$432
San AntonioSan Juan
SAT San Antonio - SJU San Juan Luis Munoz Marin Intl
SATSJU
San Antonio
Sat 10/17
11:47 am-11:50 pm
2 stops11h 03m
San Juan Luis Munoz Marin Intl
Sat 10/31
12:00 pm-10:51 pm
2 stops11h 51m
$446
San AntonioSan Juan
SAT San Antonio - SJU San Juan Luis Munoz Marin Intl
SATSJU
San Antonio
Fri 11/13
12:25 pm-12:55 am
2 stops10h 30m
San Juan Luis Munoz Marin Intl
Mon 11/16
5:40 am-1:15 pm
2 stops9h 35m
$466
San AntonioSan Juan
SAT San Antonio - SJU San Juan Luis Munoz Marin Intl
SATSJU
San Antonio
Thu 10/29
6:37 am-9:22 pm
2 stops13h 45m
San Juan Luis Munoz Marin Intl
Fri 11/6
8:05 am-7:10 pm
2 stops13h 05m
$484
San AntonioSan Juan
SAT San Antonio - SJU San Juan Luis Munoz Marin Intl
SATSJU
San Antonio
Thu 9/3
2:05 pm-11:55 pm
2 stops8h 50m
San Juan Luis Munoz Marin Intl
Mon 9/7
5:30 am-6:10 pm
1 stop13h 40m
$486
Showing 1-10 of 21 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 $328). Flying from San Antonio to San Juan in July is currently the most expensive (average of $530). 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?
Airfare is below average for this route at the moment.
San Antonio to San Juan flights typically cost between $336 and $443 in August.The cheapest round-trip price found within the last 5 days was $330 on Multiple Airlines (Aug 27-Sep 1).
How often are flights from San Antonio to San Juan delayed?
About 19% of weekly flights between San Antonio and San Juan have experienced delays in the past year, with the average delay time being 104 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 Monday 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 19% 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 August 9, 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.
Food
7.0
Overall
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Food
7.0
Overall
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Food
7.0
Overall
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Food
7.0
Overall
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Food
7.0
Overall
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Food
7.0
Overall
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Comfort
8.0
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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San Antonio and San Juan flights
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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 August 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$168 | Average$388 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$194 | Average$436 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$232 | Average$434 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$264 | Average$505 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$285 | Average$492 | FlexibilityNo cancel fee | On-time63% |