$120+ 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 8/8. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — SJU
Jun 11 — Jun 181
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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 19 days in advance, depart on a Tuesday or Wednesday 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 May 12, 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 May 12, 2026.
This Delta deal was found by Cheapflights users on 5/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2212:15 pm
SAT
- SJU
1 stop8h 45m
Delta
Tue 9/297:30 am
SJU
- SAT
1 stop8h 46m
Delta
Deal found 5/11![Delta logo]()
$336
This United Airlines deal was found by Cheapflights users on 5/11. 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 8/127:35 am
SAT
- SJU
1 stop7h 07m
United Airlines
Tue 8/251:00 am
SJU
- SAT
2 stops16h 31m
United Airlines
Deal found 5/11![United Airlines logo]()
$359
This Frontier deal was found by Cheapflights users on 5/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/174:26 pm
SAT
- SJU
1 stop8h 45m
Frontier
Fri 7/243:06 am
SJU
- SAT
1 stop13h 35m
Frontier
Deal found 5/12![Frontier logo]()
$361
This Frontier deal was found by Cheapflights users on 5/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/274:26 pm
SAT
- SJU
1 stop8h 45m
Frontier
Mon 8/36:00 am
SJU
- SAT
1 stop10h 41m
Frontier
Deal found 5/12![Frontier logo]()
$366
This Southwest deal was found by Cheapflights users on 5/12. 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 8/226:35 am
SAT
- SJU
1 stop9h 05m
Southwest
Thu 8/2710:00 am
SJU
- SAT
2 stops10h 00m
Southwest
Deal found 5/12![Southwest logo]()
$369
This American Airlines deal was found by Cheapflights users on 5/12. 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 8/512:29 pm
SAT
- SJU
1 stop10h 30m
American Airlines
Wed 8/127:05 am
SJU
- SAT
1 stop13h 21m
American Airlines
Deal found 5/12![American Airlines logo]()
$374
This United Airlines deal was found by Cheapflights users on 5/11. 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.
Thu 8/1312:00 pm
SAT
- SJU
1 stop7h 38m
United Airlines
Sun 8/167:00 am
SJU
- SAT
1 stop9h 43m
United Airlines
Deal found 5/11![United Airlines logo]()
$376
This Southwest deal was found by Cheapflights users on 5/11. 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.
Wed 8/1912:55 pm
SAT
- SJU
2 stops8h 05m
Southwest
Sun 8/235:55 pm
SJU
- SAT
1 stop6h 35m
Southwest
Deal found 5/11![Southwest logo]()
$397
This Southwest deal was found by Cheapflights users on 5/12. 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 9/75:35 am
SAT
- SJU
2 stops16h 15m
Southwest
Fri 9/116:00 am
SJU
- SAT
2 stops9h 45m
Southwest
Deal found 5/12![Southwest logo]()
$402
This eDestinos deal was found by Cheapflights users on 5/8. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/134:22 pm
SAT
- SJU
1 stop14h 33m
Frontier
Sat 8/19:24 am
SJU
- SAT
1 stop7h 17m
Frontier
Deal found 5/8![Frontier logo]()
$403
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 May 12, 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 May 12, 2026.
This Southwest deal was found by Cheapflights users on 5/11. 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 9/175:35 am
SAT
- SJU
2 stops16h 15m
Southwest
Mon 9/216:00 am
SJU
- SAT
1 stop12h 40m
Southwest
Deal found 5/11![Southwest logo]()
$369
This United Airlines deal was found by Cheapflights users on 5/9. 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 8/1312:00 pm
SAT
- SJU
2 stops10h 50m
United Airlines
Mon 8/177:00 am
SJU
- SAT
1 stop9h 43m
United Airlines
Deal found 5/9![United Airlines logo]()
$563
This Southwest deal was found by Cheapflights users on 5/7. 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 9/75:35 am
SAT
- SJU
2 stops16h 15m
Southwest
Fri 9/116:00 am
SJU
- SAT
2 stops9h 20m
Southwest
Deal found 5/7![Southwest logo]()
$402
This Southwest deal was found by Cheapflights users on 5/10. 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 8/196:50 am
SAT
- SJU
2 stops10h 20m
Southwest
Sun 8/235:55 pm
SJU
- SAT
1 stop6h 35m
Southwest
Deal found 5/10![Southwest logo]()
$430
This United Airlines deal was found by Cheapflights users on 5/10. 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 8/46:40 am
SAT
- SJU
2 stops13h 44m
United Airlines
Wed 8/57:20 am
SJU
- SAT
2 stops16h 37m
United Airlines
Deal found 5/10![United Airlines logo]()
$571
This Southwest deal was found by Cheapflights users on 5/8. 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 7/273:10 pm
SAT
- SJU
2 stops9h 10m
Southwest
Mon 8/36:30 am
SJU
- SAT
1 stop10h 15m
Southwest
Deal found 5/8![Southwest logo]()
$494
This Southwest deal was found by Cheapflights users on 5/10. 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 7/115:15 pm
SAT
- SJU
1 stop7h 00m
Southwest
Thu 7/166:30 am
SJU
- SAT
2 stops9h 00m
Southwest
Deal found 5/10![Southwest logo]()
$512
This Southwest deal was found by Cheapflights users on 5/7. 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 7/313:10 pm
SAT
- SJU
2 stops9h 10m
Southwest
Mon 8/37:00 am
SJU
- SAT
1 stop9h 05m
Southwest
Deal found 5/7![Southwest logo]()
$530
This Southwest deal was found by Cheapflights users on 5/11. 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.
Wed 6/104:25 pm
SAT
- SJU
1 stop6h 20m
Southwest
Wed 6/178:35 pm
SJU
- SAT
1 stop13h 30m
Southwest
Deal found 5/11![Southwest logo]()
$531
This Southwest deal was found by Cheapflights users on 5/10. 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.
Thu 7/301:50 pm
SAT
- SJU
2 stops9h 15m
Southwest
Tue 8/411:50 am
SJU
- SAT
1 stop9h 15m
Southwest
Deal found 5/10![Southwest logo]()
$556
This Southwest deal was found by Cheapflights users on 5/12. 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 6/153:10 pm
SAT
- SJU
2 stops9h 10m
Southwest
Thu 6/256:30 am
SJU
- SAT
2 stops9h 00m
Southwest
Deal found 5/12![Southwest logo]()
$588
Last-minute flights from San Antonio to San JuanDiscover last-minute flight deals from San Antonio to San Juan. Data last updated May 12, 2026 and is based on user searches.
Discover last-minute flight deals from San Antonio to San Juan. Data last updated May 12, 2026 and is based on user searches.
This Priceline deal was found by Cheapflights users on 5/10. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/134:22 pm
SAT
- SJU
1 stop14h 33m
Frontier
Sat 7/116:00 am
SJU
- SAT
1 stop10h 41m
Frontier
Deal found 5/10![Frontier logo]()
$361
This Trip.com deal was found by Cheapflights users on 5/9. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/134:22 pm
SAT
- SJU
1 stop14h 33m
Frontier
Fri 6/199:24 am
SJU
- SAT
1 stop7h 13m
Frontier
Deal found 5/9![Frontier logo]()
$397
This eDestinos deal was found by Cheapflights users on 5/8. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/134:22 pm
SAT
- SJU
1 stop14h 33m
Frontier
Sat 8/19:24 am
SJU
- SAT
1 stop7h 17m
Frontier
Deal found 5/8![Frontier logo]()
$403
This American Airlines deal was found by Cheapflights users on 5/11. 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.
Mon 6/156:15 pm
SAT
- SJU
1 stop14h 24m
American Airlines
Thu 6/257:00 am
SJU
- SAT
1 stop16h 16m
American Airlines
Deal found 5/11![American Airlines logo]()
$452
This Priceline deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/204:22 pm
SAT
- SJU
1 stop14h 33m
Frontier
Sat 6/276:00 am
SJU
- SAT
1 stop10h 37m
Frontier
Deal found 5/12![Frontier logo]()
$463
This Frontier deal was found by Cheapflights users on 5/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/264:22 pm
SAT
- SJU
1 stop8h 47m
Frontier
Fri 7/36:00 am
SJU
- SAT
1 stop10h 37m
Frontier
Deal found 5/11![Frontier logo]()
$446
This Priceline deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/294:22 pm
SAT
- SJU
1 stop19h 54m
Frontier
Fri 7/103:06 am
SJU
- SAT
1 stop13h 35m
Frontier
Deal found 5/12![Frontier logo]()
$366
This Delta deal was found by Cheapflights users on 5/12. 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.
Mon 6/295:25 am
SAT
- SJU
1 stop10h 21m
Delta
Sun 7/126:00 am
SJU
- SAT
1 stop12h 11m
Delta
Deal found 5/12![Delta logo]()
$456
This Delta deal was found by Cheapflights users on 5/12. 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 6/305:25 am
SAT
- SJU
1 stop10h 21m
Delta
Sun 7/126:00 am
SJU
- SAT
1 stop12h 11m
Delta
Deal found 5/12![Delta logo]()
$336
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 May 12, 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 May 12, 2026.
This Priceline deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/84:26 pm
SAT
- SJU
1 stop8h 45m
Frontier
Deal found 5/12![Frontier logo]()
$120
This eDestinos deal was found by Cheapflights users on 5/10. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/254:26 pm
SAT
- SJU
1 stop14h 31m
Frontier
Deal found 5/10![Frontier logo]()
$166
This Delta deal was found by Cheapflights users on 5/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/318:00 am
SAT
- SJU
1 stop7h 35m
Delta
Deal found 5/11![Delta logo]()
$168
This Kiwi.com deal was found by Cheapflights users on 5/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/194:53 pm
SAT
- SJU
2 stops30h 30m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$181
This Priceline deal was found by Cheapflights users on 5/11. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/244:26 pm
SAT
- SJU
1 stop14h 31m
Frontier
Deal found 5/11![Frontier logo]()
$183
This Kiwi.com deal was found by Cheapflights users on 5/12. 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 8/84:53 pm
SAT
- SJU
2 stops30h 48m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$194
This American Airlines deal was found by Cheapflights users on 5/12. 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 6/66:15 pm
SAT
- SJU
1 stop14h 24m
American Airlines
Deal found 5/12![American Airlines logo]()
$201
This Expedia deal was found by Cheapflights users on 5/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/134:22 pm
SAT
- SJU
1 stop14h 33m
Frontier
Deal found 5/11![Frontier logo]()
$205
This Kiwi.com deal was found by Cheapflights users on 5/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/254:53 pm
SAT
- SJU
2 stops30h 48m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$213
This Kiwi.com deal was found by Cheapflights users on 5/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/114:53 pm
SAT
- SJU
2 stops30h 48m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$214
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 May 12, 2026.
Round-trip from | $336 (American Airlines) |
|---|---|
One-way from | $120 (Priceline) |
Popular in | December |
Cheapest in | October |
Average price | $370 |
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 May 12, 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
Thu 9/17
5:35 am-10:50 pm
2 stops16h 15m
San Juan Luis Munoz Marin Intl
Mon 9/21
6:00 am-5:40 pm
1 stop12h 40m
$369
San AntonioSan Juan
SAT - SJU
SATSJU
San Antonio
Mon 9/7
5:35 am-10:50 pm
2 stops16h 15m
San Juan Luis Munoz Marin Intl
Fri 9/11
6:00 am-2:20 pm
2 stops9h 20m
$402
San AntonioSan Juan
SAT - SJU
SATSJU
San Antonio
Wed 8/19
6:50 am-6:10 pm
2 stops10h 20m
San Juan Luis Munoz Marin Intl
Sun 8/23
5:55 pm-11:30 pm
1 stop6h 35m
$430
San AntonioSan Juan
SAT - SJU
SATSJU
San Antonio
Mon 7/27
3:10 pm-1:20 am
2 stops9h 10m
San Juan Luis Munoz Marin Intl
Mon 8/3
6:30 am-3:45 pm
1 stop10h 15m
$494
Quickest round-trip
San AntonioSan Juan
SAT - SJU
SATSJU
San Antonio
Sat 7/11
5:15 pm-1:15 am
1 stop7h 00m
San Juan Luis Munoz Marin Intl
Thu 7/16
6:30 am-2:30 pm
2 stops9h 00m
$512
San AntonioSan Juan
SAT - SJU
SATSJU
San Antonio
Fri 7/31
3:10 pm-1:20 am
2 stops9h 10m
San Juan Luis Munoz Marin Intl
Mon 8/3
7:00 am-3:05 pm
1 stop9h 05m
$530
San AntonioSan Juan
SAT - SJU
SATSJU
San Antonio
Wed 6/10
4:25 pm-11:45 pm
1 stop6h 20m
San Juan Luis Munoz Marin Intl
Wed 6/17
8:35 pm-9:05 am
1 stop13h 30m
$531
San AntonioSan Juan
SAT - SJU
SATSJU
San Antonio
Thu 7/30
1:50 pm-12:05 am
2 stops9h 15m
San Juan Luis Munoz Marin Intl
Tue 8/4
11:50 am-8:05 pm
1 stop9h 15m
$556
San AntonioSan Juan
SAT - SJU
SATSJU
San Antonio
Thu 8/13
12:00 pm-11:50 pm
2 stops10h 50m
San Juan Luis Munoz Marin Intl
Mon 8/17
7:00 am-3:43 pm
1 stop9h 43m
$563
San AntonioSan Juan
SAT - SJU
SATSJU
San Antonio
Tue 8/4
6:40 am-9:24 pm
2 stops13h 44m
San Juan Luis Munoz Marin Intl
Wed 8/5
7:20 am-10:57 pm
2 stops16h 37m
$571
Showing 1-10 of 20 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
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.
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 123 minutes.
What is the most punctual flight time for San Antonio to San Juan flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Monday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on San Antonio to San Juan flights?
Over the last year, Spirit Airlines have had the lowest number of delays on this route, with just 22% of flights being delayed.
Reviews of airlines servicing San Juan
Get insights into the airlines that provide service to San Juan. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Juan. Reviews last updated May 12, 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.
Entertainment
7.5
Boarding
8.1
Crew
8.6
Food
7.0
Comfort
8.0
Overall
7.9
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Boarding
8.1
Crew
8.6
Food
7.0
Comfort
8.0
Overall
7.9
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Boarding
8.1
Crew
8.6
Food
7.0
Comfort
8.0
Overall
7.9
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Boarding
8.1
Crew
8.6
Food
7.0
Comfort
8.0
Overall
7.9
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Boarding
8.1
Crew
8.6
Food
7.0
Comfort
8.0
Overall
7.9
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Boarding
8.1
Crew
8.6
Food
7.0
Comfort
8.0
Overall
7.9
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from San Antonio
Popular flights
Alternative routes for San Antonio to San Juan
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to San Juan by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from San Antonio to San Juan by cabin class
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 May 12, 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 May 12, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 6 airlines flying from San Antonio to San Juan
Discover the top 6 airlines that operate flights from San Antonio to San Juan. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$125 | Average$296 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$168 | Average$296 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$168 | Average$365 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$232 | Average$426 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$260 | Average$521 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$275 | Average$476 | FlexibilityNo cancel fee | On-time63% |