$168+ 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 8/13. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — SJU
Jul 11 — Jul 181
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
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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 June 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 June 11, 2026.
This Delta deal was found by Cheapflights users on 6/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/225:20 am
SAT
- SJU
1 stop10h 18m
Delta
Sat 8/297:00 am
SJU
- SAT
1 stop7h 38m
Delta
Deal found 6/7![Delta logo]()
$336
This American Airlines deal was found by Cheapflights users on 6/6. 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 8/265:15 am
SAT
- SJU
1 stop15h 40m
American Airlines
Sun 8/301:38 pm
SJU
- SAT
1 stop11h 21m
American Airlines
Deal found 6/6![American Airlines logo]()
$341
This American Airlines deal was found by Cheapflights users on 6/8. 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.
Sun 8/165:00 am
SAT
- SJU
2 stops10h 57m
American Airlines
Sat 8/223:28 pm
SJU
- SAT
1 stop9h 31m
American Airlines
Deal found 6/8![American Airlines logo]()
$342
This Delta deal was found by Cheapflights users on 6/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/265:20 am
SAT
- SJU
1 stop7h 22m
Delta
Thu 2/256:15 am
SJU
- SAT
1 stop11h 13m
Delta
Deal found 6/6![Delta logo]()
$346
This Southwest deal was found by Cheapflights users on 6/10. 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.
Tue 8/46:50 am
SAT
- SJU
2 stops10h 20m
Southwest
Tue 8/1811:50 am
SJU
- SAT
1 stop9h 15m
Southwest
Deal found 6/10![Southwest logo]()
$349
This Southwest deal was found by Cheapflights users on 6/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/102:05 pm
SAT
- SJU
2 stops8h 45m
Southwest
Mon 9/146:30 am
SJU
- SAT
1 stop6h 30m
Southwest
Deal found 6/11![Southwest logo]()
$356
This American Airlines deal was found by Cheapflights users on 6/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/137:00 am
SAT
- SJU
1 stop15h 59m
American Airlines
Sun 8/233:47 pm
SJU
- SAT
1 stop7h 27m
American Airlines
Deal found 6/9![American Airlines logo]()
$364
This American Airlines deal was found by Cheapflights users on 6/8. 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.
Sat 8/225:00 am
SAT
- SJU
2 stops10h 57m
American Airlines
Sat 8/296:00 am
SJU
- SAT
2 stops9h 53m
American Airlines
Deal found 6/8![American Airlines logo]()
$369
This American Airlines deal was found by Cheapflights users on 6/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/38:23 pm
SAT
- SJU
1 stop7h 16m
American Airlines
Wed 8/125:10 pm
SJU
- SAT
1 stop7h 49m
American Airlines
Deal found 6/9![American Airlines logo]()
$371
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Thu 9/2412:50 pm
SAT
- SJU
1 stop10h 00m
United Airlines
Sun 9/271:00 am
SJU
- SAT
1 stop11h 41m
United Airlines
Deal found 6/9![United Airlines logo]()
$379
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Wed 8/57:20 pm
SAT
- SJU
1 stop9h 09m
United Airlines
Thu 8/137:00 am
SJU
- SAT
1 stop9h 43m
United Airlines
Deal found 6/9![United Airlines logo]()
$380
This Southwest deal was found by Cheapflights users on 6/9. 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.
Sun 8/92:45 pm
SAT
- SJU
1 stop8h 05m
Southwest
Sat 8/1510:25 am
SJU
- SAT
2 stops10h 25m
Southwest
Deal found 6/9![Southwest logo]()
$386
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 June 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 June 11, 2026.
This Southwest deal was found by Cheapflights users on 6/6. 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.
Sat 8/226:00 am
SAT
- SJU
1 stop14h 55m
Southwest
Tue 8/2511:50 am
SJU
- SAT
1 stop9h 15m
Southwest
Deal found 6/6![Southwest logo]()
$336
This United Airlines deal was found by Cheapflights users on 6/10. 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 9/229:30 am
SAT
- SJU
2 stops13h 20m
United Airlines
Mon 9/281:00 am
SJU
- SAT
2 stops12h 11m
United Airlines
Deal found 6/10![United Airlines logo]()
$379
This Southwest deal was found by Cheapflights users on 6/10. 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 8/281:00 pm
SAT
- SJU
2 stops9h 05m
Southwest
Fri 10/166:00 am
SJU
- SAT
1 stop11h 45m
Southwest
Deal found 6/10![Southwest logo]()
$434
This Southwest deal was found by Cheapflights users on 6/10. 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.
Sat 12/511:20 am
SAT
- SJU
2 stops7h 55m
Southwest
Sun 12/136:05 am
SJU
- SAT
2 stops8h 50m
Southwest
Deal found 6/10![Southwest logo]()
$481
This United Airlines deal was found by Cheapflights users on 6/7. 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 7/207:20 pm
SAT
- SJU
1 stop9h 09m
United Airlines
Mon 7/272:05 am
SJU
- SAT
1 stop7h 22m
United Airlines
Deal found 6/7![United Airlines logo]()
$541
This Southwest deal was found by Cheapflights users on 6/8. 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.
Mon 8/31:50 pm
SAT
- SJU
2 stops9h 20m
Southwest
Mon 8/172:35 pm
SJU
- SAT
2 stops9h 20m
Southwest
Deal found 6/8![Southwest logo]()
$482
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Fri 6/267:20 pm
SAT
- SJU
1 stop9h 09m
United Airlines
Sun 6/282:05 am
SJU
- SAT
1 stop7h 22m
United Airlines
Deal found 6/10![United Airlines logo]()
$556
This Southwest deal was found by Cheapflights users on 6/10. 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.
Wed 9/26:50 am
SAT
- SJU
2 stops10h 20m
Southwest
Mon 9/76:00 am
SJU
- SAT
2 stops9h 45m
Southwest
Deal found 6/10![Southwest logo]()
$496
This Southwest deal was found by Cheapflights users on 6/7. 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.
Mon 7/204:25 pm
SAT
- SJU
1 stop6h 15m
Southwest
Fri 7/245:00 am
SJU
- SAT
2 stops9h 25m
Southwest
Deal found 6/7![Southwest logo]()
$498
This Southwest deal was found by Cheapflights users on 6/8. 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.
Mon 6/294:25 pm
SAT
- SJU
1 stop6h 10m
Southwest
Tue 7/76:30 am
SJU
- SAT
2 stops9h 05m
Southwest
Deal found 6/8![Southwest logo]()
$517
This Southwest deal was found by Cheapflights users on 6/6. 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 7/63:10 pm
SAT
- SJU
2 stops9h 15m
Southwest
Fri 7/106:30 am
SJU
- SAT
2 stops9h 00m
Southwest
Deal found 6/6![Southwest logo]()
$517
This Southwest deal was found by Cheapflights users on 6/8. 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.
Wed 7/111:50 am
SAT
- SJU
1 stop9h 55m
Southwest
Wed 7/88:35 pm
SJU
- SAT
1 stop13h 30m
Southwest
Deal found 6/8![Southwest logo]()
$564
Last-minute flights from San Antonio to San JuanDiscover last-minute flight deals from San Antonio to San Juan. Data last updated June 11, 2026 and is based on user searches.
Discover last-minute flight deals from San Antonio to San Juan. Data last updated June 11, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Sun 6/287:20 pm
SAT
- SJU
1 stop9h 09m
United Airlines
Mon 7/62:05 am
SJU
- SAT
1 stop7h 22m
United Airlines
Deal found 6/10![United Airlines logo]()
$421
This American Airlines deal was found by Cheapflights users on 6/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/56:01 am
SAT
- SJU
1 stop15h 58m
American Airlines
Thu 7/97:25 am
SJU
- SAT
1 stop15h 51m
American Airlines
Deal found 6/9![American Airlines logo]()
$394
This United Airlines deal was found by Cheapflights users on 6/6. 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 7/67:20 pm
SAT
- SJU
1 stop9h 09m
United Airlines
Thu 7/92:05 am
SJU
- SAT
1 stop7h 22m
United Airlines
Deal found 6/6![United Airlines logo]()
$387
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Tue 7/76:40 am
SAT
- SJU
2 stops13h 44m
United Airlines
Wed 8/192:20 pm
SJU
- SAT
1 stop7h 56m
United Airlines
Deal found 6/9![United Airlines logo]()
$379
This Southwest deal was found by Cheapflights users on 6/9. 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.
Sun 7/123:20 pm
SAT
- SJU
1 stop8h 25m
Southwest
Thu 7/1610:20 pm
SJU
- SAT
1 stop11h 45m
Southwest
Deal found 6/9![Southwest logo]()
$369
This Southwest deal was found by Cheapflights users on 6/7. 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.
Mon 7/204:25 pm
SAT
- SJU
1 stop6h 15m
Southwest
Sun 7/269:05 pm
SJU
- SAT
1 stop13h 00m
Southwest
Deal found 6/7![Southwest logo]()
$336
This Southwest deal was found by Cheapflights users on 6/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2012:50 pm
SAT
- SJU
1 stop10h 45m
Southwest
Fri 7/248:15 pm
SJU
- SAT
1 stop13h 25m
Southwest
Deal found 6/11![Southwest logo]()
$401
This United Airlines deal was found by Cheapflights users on 6/8. 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 7/207:20 pm
SAT
- SJU
1 stop9h 09m
United Airlines
Thu 7/232:05 am
SJU
- SAT
1 stop7h 22m
United Airlines
Deal found 6/8![United Airlines logo]()
$408
This Southwest deal was found by Cheapflights users on 6/8. 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.
Mon 7/204:25 pm
SAT
- SJU
1 stop6h 15m
Southwest
Tue 7/218:35 pm
SJU
- SAT
1 stop12h 50m
Southwest
Deal found 6/8![Southwest logo]()
$416
This Delta deal was found by Cheapflights users on 6/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/285:20 am
SAT
- SJU
1 stop7h 12m
Delta
Mon 8/105:49 pm
SJU
- SAT
1 stop7h 39m
Delta
Deal found 6/9![Delta logo]()
$411
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Wed 7/297:20 pm
SAT
- SJU
1 stop9h 09m
United Airlines
Sun 8/22:05 am
SJU
- SAT
1 stop7h 22m
United Airlines
Deal found 6/9![United Airlines logo]()
$418
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 June 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 June 11, 2026.
This Delta deal was found by Cheapflights users on 6/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1312:05 pm
SAT
- SJU
1 stop9h 24m
Delta
Deal found 6/8![Delta logo]()
$168
This Delta deal was found by Cheapflights users on 6/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/215:20 am
SAT
- SJU
1 stop10h 19m
Delta
Deal found 6/7![Delta logo]()
$173
This Kiwi.com deal was found by Cheapflights users on 6/7. 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.
Sat 8/15:38 pm
SAT
- SJU
2 stops30h 03m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$175
This American Airlines deal was found by Cheapflights users on 6/6. 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 8/55:15 am
SAT
- SJU
1 stop15h 40m
American Airlines
Deal found 6/6![American Airlines logo]()
$176
This Kiwi.com deal was found by Cheapflights users on 6/6. 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.
Wed 8/54:53 pm
SAT
- SJU
2 stops30h 48m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$183
This Southwest deal was found by Cheapflights users on 6/10. 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.
Mon 10/2611:45 am
SAT
- SJU
1 stop11h 50m
Southwest
Deal found 6/10![Southwest logo]()
$188
This Kiwi.com deal was found by Cheapflights users on 6/8. 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 7/44:53 pm
SAT
- SJU
2 stops30h 48m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$191
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Sun 7/58:00 am
SAT
- SJU
1 stop13h 59m
American Airlines
Deal found 6/11![American Airlines logo]()
$193
This Southwest deal was found by Cheapflights users on 6/9. 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.
Tue 7/214:25 pm
SAT
- SJU
1 stop6h 25m
Southwest
Deal found 6/9![Southwest logo]()
$201
This American Airlines deal was found by Cheapflights users on 6/8. 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 11/255:25 am
SAT
- SJU
1 stop15h 14m
American Airlines
Deal found 6/8![American Airlines logo]()
$206
This United Airlines deal was found by Cheapflights users on 6/8. 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.
Tue 7/712:01 pm
SAT
- SJU
1 stop8h 23m
United Airlines
Deal found 6/8![United Airlines logo]()
$207
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 June 11, 2026.
Round-trip from | $336 (Southwest) |
|---|---|
One-way from | $168 (Delta) |
Popular in | December |
Cheapest in | October |
Average price | $486 |
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 June 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 8/22
6:00 am-9:55 pm
1 stop14h 55m
San Juan Luis Munoz Marin Intl
Tue 8/25
11:50 am-8:05 pm
1 stop9h 15m
$336
San AntonioSan Juan
SAT - SJU
SATSJU
San Antonio
Tue 9/22
9:30 am-11:50 pm
2 stops13h 20m
San Juan Luis Munoz Marin Intl
Mon 9/28
1:00 am-12:11 pm
2 stops12h 11m
$379
San AntonioSan Juan
SAT - SJU
SATSJU
San Antonio
Fri 8/28
1:00 pm-11:05 pm
2 stops9h 05m
San Juan Luis Munoz Marin Intl
Fri 10/16
6:00 am-4:45 pm
1 stop11h 45m
$434
San AntonioSan Juan
SAT - SJU
SATSJU
San Antonio
Sat 12/5
11:20 am-9:15 pm
2 stops7h 55m
San Juan Luis Munoz Marin Intl
Sun 12/13
6:05 am-12:55 pm
2 stops8h 50m
$481
San AntonioSan Juan
SAT - SJU
SATSJU
San Antonio
Mon 8/3
1:50 pm-12:10 am
2 stops9h 20m
San Juan Luis Munoz Marin Intl
Mon 8/17
2:35 pm-10:55 pm
2 stops9h 20m
$482
San AntonioSan Juan
SAT - SJU
SATSJU
San Antonio
Wed 9/2
6:50 am-6:10 pm
2 stops10h 20m
San Juan Luis Munoz Marin Intl
Mon 9/7
6:00 am-2:45 pm
2 stops9h 45m
$496
San AntonioSan Juan
SAT - SJU
SATSJU
San Antonio
Mon 7/20
4:25 pm-11:40 pm
1 stop6h 15m
San Juan Luis Munoz Marin Intl
Fri 7/24
5:00 am-1:25 pm
2 stops9h 25m
$498
Quickest round-trip
San AntonioSan Juan
SAT - SJU
SATSJU
San Antonio
Mon 6/29
4:25 pm-11:35 pm
1 stop6h 10m
San Juan Luis Munoz Marin Intl
Tue 7/7
6:30 am-2:35 pm
2 stops9h 05m
$517
San AntonioSan Juan
SAT - SJU
SATSJU
San Antonio
Mon 7/6
3:10 pm-1:25 am
2 stops9h 15m
San Juan Luis Munoz Marin Intl
Fri 7/10
6:30 am-2:30 pm
2 stops9h 00m
$517
San AntonioSan Juan
SAT - SJU
SATSJU
San Antonio
Mon 7/20
7:20 pm-5:29 am
1 stop9h 09m
San Juan Luis Munoz Marin Intl
Mon 7/27
2:05 am-8:27 am
1 stop7h 22m
$541
Showing 1-10 of 22 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 February is currently the most expensive (average of $179). 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 120 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 June 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.
Boarding
8.1
Food
7.0
Overall
7.9
Comfort
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Food
7.0
Overall
7.9
Comfort
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Food
7.0
Overall
7.9
Comfort
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Food
7.0
Overall
7.9
Comfort
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Food
7.0
Overall
7.9
Comfort
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Food
7.0
Overall
7.9
Comfort
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
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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Complete your trip
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San Antonio and San Juan flights
Browse other San Antonio and San Juan flight options. Last updated on June 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 June 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 June 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$168 | Average$353 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$168 | Average$373 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$245 | Average$438 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$260 | Average$518 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$275 | Average$475 | FlexibilityNo cancel fee | On-time63% |