$91+ Cheap flights from San Antonio (SAT) to Puerto Rico
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/21. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — SJU
Feb 26 — Mar 51
1 adult, Economy
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Cheapest flights from San Antonio to Puerto RicoExplore the most affordable flight options available from San Antonio to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.
Explore the most affordable flight options available from San Antonio to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.
This Frontier deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/231:57 pm
SAT
- BQN
1 stop11h 00m
Frontier
Wed 2/253:58 am
BQN
- SAT
1 stop11h 14m
Frontier
Deal found 1/25![Frontier logo]()
$264
This United Airlines deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/76:49 am
SAT
- BQN
2 stops15h 20m
United Airlines
Mon 4/1312:15 am
BQN
- SAT
1 stop11h 19m
United Airlines
Deal found 1/25![United Airlines logo]()
$266
This Kiwi.com deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/286:00 am
SAT
- SJU
2 stops18h 25m
Multiple Airlines
Wed 3/45:25 pm
SJU
- SAT
1 stop8h 34m
Multiple Airlines
Deal found 1/25![Multiple Airlines logo]()
$278
This Kiwi.com deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/282:13 pm
SAT
- SJU
1 stop8h 30m
Multiple Airlines
Tue 3/31:55 pm
SJU
- SAT
2 stops21h 35m
Multiple Airlines
Deal found 1/27![Multiple Airlines logo]()
$280
This Cheapflightsfares deal was found by Cheapflights users on 1/24. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/910:27 am
SAT
- SJU
1 stop7h 27m
Spirit Airlines
Sun 4/199:49 pm
SJU
- SAT
1 stop12h 41m
Spirit Airlines
Deal found 1/24![Spirit Airlines logo]()
$282
This CheapOair deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/910:27 am
SAT
- SJU
1 stop7h 27m
Spirit Airlines
Wed 4/157:00 am
SJU
- SAT
1 stop16h 29m
Spirit Airlines
Deal found 1/26![Spirit Airlines logo]()
$283
This United Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/265:30 am
SAT
- SJU
1 stop9h 12m
United Airlines
Tue 4/281:00 am
SJU
- SAT
2 stops12h 24m
United Airlines
Deal found 1/26![United Airlines logo]()
$285
This Kiwi.com deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1310:26 am
SAT
- SJU
1 stop25h 07m
Multiple Airlines
Mon 5/189:12 pm
SJU
- SAT
2 stops26h 17m
Multiple Airlines
Deal found 1/26![Multiple Airlines logo]()
$286
This Kiwi.com deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/245:36 pm
SAT
- SJU
2 stops19h 30m
Multiple Airlines
Wed 3/45:25 pm
SJU
- SAT
1 stop8h 34m
Multiple Airlines
Deal found 1/27![Multiple Airlines logo]()
$287
This CheapOair deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/146:00 am
SAT
- SJU
1 stop7h 28m
Spirit Airlines
Tue 5/197:00 am
SJU
- SAT
1 stop16h 29m
Spirit Airlines
Deal found 1/24![Spirit Airlines logo]()
$288
This Kiwi.com deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/2310:26 am
SAT
- SJU
1 stop27h 05m
Multiple Airlines
Mon 3/27:09 pm
SJU
- SAT
2 stops48h 06m
Multiple Airlines
Deal found 1/26![Multiple Airlines logo]()
$290
This CheapOair deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/26:00 am
SAT
- SJU
1 stop26h 17m
Spirit Airlines
Mon 3/167:54 pm
SJU
- SAT
1 stop14h 38m
Spirit Airlines
Deal found 1/27![Spirit Airlines logo]()
$291
Find flight deals from San Antonio to Puerto Rico
Keep the following information in mind while searching for San Antonio to Puerto Rico flight deals. Data was last updated January 27, 2026.
Most accurate provider | Expedia 2 stars |
|---|---|
Most trusted provider | Expedia 3 stars |
Round-trip from | $264 (Frontier) |
One-way from | $91 (Priceline) |
Popular in | December |
Cheapest in | October |
Average price | $434 |
Good round-trip deal | $509 or less |
Good one-way deal | $178 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from San Antonio to Puerto Rico 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 January 27, 2026.
Use the filters below to find and compare flights from San Antonio to Puerto Rico that are best for you.
Fly from
San Antonio
Fly to
Puerto Rico
Route
Depart
Return
Price
San AntonioAguadilla
SAT - BQN
SATBQN
San Antonio
Mon 2/23
1:57 pm-2:57 am
1 stop11h 00m
Aguadilla Borinquen
Wed 2/25
3:58 am-1:12 pm
1 stop11h 14m
$264
San AntonioAguadilla
SAT - BQN
SATBQN
San Antonio
Tue 4/7
6:49 am-11:09 pm
2 stops15h 20m
Aguadilla Borinquen
Mon 4/13
12:15 am-4:09 pm
2 stops16h 54m
$266
San AntonioSan Juan
SAT - SJU
SATSJU
San Antonio
Tue 4/21
6:00 am-2:28 pm
1 stop7h 28m
San Juan Luis Munoz Marin Intl
Sun 4/26
9:49 pm-9:30 am
1 stop12h 41m
$287
San AntonioSan Juan
SAT - SJU
SATSJU
San Antonio
Tue 3/3
5:36 pm-6:58 pm
2 stops23h 22m
San Juan Luis Munoz Marin Intl
Sun 3/8
5:00 am-1:23 pm
1 stop9h 23m
$295
San AntonioSan Juan
SAT - SJU
SATSJU
San Antonio
Fri 3/6
8:53 pm-3:58 am
1 stop29h 05m
San Juan Luis Munoz Marin Intl
Sun 3/8
3:08 am-1:23 pm
1 stop11h 15m
$310
San AntonioSan Juan
SAT - SJU
SATSJU
San Antonio
Wed 2/25
6:00 am-11:09 pm
1 stop15h 09m
San Juan Luis Munoz Marin Intl
Fri 2/27
3:53 am-1:18 pm
1 stop11h 25m
$311
San AntonioSan Juan
SAT - SJU
SATSJU
San Antonio
Thu 3/12
10:27 am-6:54 pm
1 stop7h 27m
San Juan Luis Munoz Marin Intl
Wed 3/18
7:00 am-9:32 am
2 stops27h 32m
$313
San AntonioSan Juan
SAT - SJU
SATSJU
San Antonio
Sun 4/26
5:20 am-4:23 pm
1 stop10h 03m
San Juan Luis Munoz Marin Intl
Fri 5/1
5:34 pm-12:34 am
1 stop8h 00m
$315
San AntonioSan Juan
SAT - SJU
SATSJU
San Antonio
Sun 4/26
6:20 am-4:23 pm
1 stop9h 03m
San Juan Luis Munoz Marin Intl
Wed 5/6
6:15 am-5:49 pm
1 stop12h 34m
$315
San AntonioSan Juan
SAT - SJU
SATSJU
San Antonio
Mon 4/27
10:23 am-12:29 am
2 stops13h 06m
San Juan Luis Munoz Marin Intl
Sat 5/2
3:43 pm-10:29 pm
1 stop7h 46m
$318
Showing 1-10 of 38 results
- Most accurate provider: When it comes to deals on San Antonio-Puerto Rico flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on San Antonio-Puerto Rico flight deals on Cheapflights vs. Expedia 90-95% of the time. Price accuracy is based on data collected from San Antonio-Puerto Rico flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Antonio-Puerto Rico flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Antonio-Puerto Rico flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from San Antonio to Puerto Rico
Have a flexible travel schedule? Discover the best time to fly to Puerto Rico from San Antonio with our price prediction graph.
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 Puerto Rico
What is the cheapest month to book a flight from San Antonio to Puerto Rico?
Currently, September is the cheapest month in which you can book a flight from San Antonio to Puerto Rico (average of $116). Flying from San Antonio to Puerto Rico in August is currently the most expensive (average of $199). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How often are flights from San Antonio to Puerto Rico delayed?
About 22% of weekly flights between San Antonio and Puerto Rico 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 Puerto Rico flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Saturday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on San Antonio to Puerto Rico 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 Puerto Rico
Get insights into the airlines that provide service to Puerto Rico. 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 Puerto Rico. Reviews last updated January 27, 2026.
Peruse reviews from past customers who have flown with Southwest, Delta, and United Airlines from San Antonio to Puerto Rico to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Overall
8.0
Crew
8.6
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Overall
8.0
Crew
8.6
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Overall
8.0
Crew
8.6
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Overall
8.0
Crew
8.6
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Overall
8.0
Crew
8.6
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Overall
8.0
Crew
8.6
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Related info for your journey
Find useful and relevant information for your journey from San Antonio to Puerto Rico. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for San Antonio to Puerto Rico
See prices for flight routes from nearby airports that may be better suited for you.
Top 6 airlines flying from San Antonio to Puerto Rico
Discover the top 6 airlines that operate flights from San Antonio to Puerto Rico. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$130 | Average$359 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$132 | Average$286 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$163 | Average$370 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$222 | Average$483 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$260 | Average$496 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$265 | Average$526 | FlexibilityNo cancel fee | On-time63% |