Puerto Rico

$122+ 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 3/24. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — SJU
Apr 9 — Apr 161
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Cheap flight deals from San Antonio to Puerto Rico

Cheapest flights from San Antonio to Puerto Rico
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 March 10, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 3/7. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/91:22 pm
SAT
-
SJU
1 stop7h 37m
Spirit Airlines
Sat 4/111:45 am
SJU
-
SAT
1 stop11h 42m
Spirit Airlines
Deal found 3/7$275
This CheapOair deal was found by Cheapflights users on 3/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1210:22 am
SAT
-
SJU
1 stop7h 33m
Spirit Airlines
Tue 4/2112:57 pm
SJU
-
SAT
1 stop25h 20m
Spirit Airlines
Deal found 3/6$276
This Priceline deal was found by Cheapflights users on 3/9. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/186:30 pm
SAT
-
SJU
1 stop6h 31m
Frontier
Sun 4/193:21 am
SJU
-
SAT
1 stop10h 45m
Frontier
Deal found 3/9$279
This CheapOair deal was found by Cheapflights users on 3/7. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/610:22 am
SAT
-
SJU
1 stop24h 27m
Spirit Airlines
Mon 4/137:54 pm
SJU
-
SAT
1 stop14h 33m
Spirit Airlines
Deal found 3/7$280
This Kiwi.com deal was found by Cheapflights users on 3/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/810:22 am
SAT
-
SJU
1 stop7h 33m
Spirit Airlines
Mon 4/131:45 am
SJU
-
SAT
1 stop11h 42m
Spirit Airlines
Deal found 3/5$283
This CheapOair deal was found by Cheapflights users on 3/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/241:22 pm
SAT
-
SJU
1 stop7h 37m
Spirit Airlines
Tue 3/317:54 pm
SJU
-
SAT
1 stop14h 33m
Spirit Airlines
Deal found 3/6$284
This Cheapflightsfares deal was found by Cheapflights users on 3/8. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/91:22 pm
SAT
-
SJU
1 stop7h 37m
Spirit Airlines
Tue 4/142:59 am
SJU
-
SAT
1 stop11h 18m
Spirit Airlines
Deal found 3/8$285
This Expedia deal was found by Cheapflights users on 3/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/292:13 pm
SAT
-
SJU
1 stop11h 00m
Multiple Airlines
Fri 4/31:45 am
SJU
-
SAT
1 stop11h 42m
Multiple Airlines
Deal found 3/9$286
This United Airlines deal was found by Cheapflights users on 3/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1111:46 am
SAT
-
SJU
1 stop7h 52m
United Airlines
Thu 4/161:00 am
SJU
-
SAT
2 stops13h 08m
United Airlines
Deal found 3/5$287
This Expedia deal was found by Cheapflights users on 3/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/246:00 am
SAT
-
SJU
1 stop12h 22m
Multiple Airlines
Fri 5/153:08 am
SJU
-
SAT
1 stop15h 51m
Multiple Airlines
Deal found 3/7$288
This Kiwi.com deal was found by Cheapflights users on 3/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/710:22 am
SAT
-
SJU
1 stop7h 33m
Spirit Airlines
Mon 4/131:45 am
SJU
-
SAT
1 stop11h 42m
Spirit Airlines
Deal found 3/5$289
This Kiwi.com deal was found by Cheapflights users on 3/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/810:22 am
SAT
-
SJU
1 stop7h 33m
Spirit Airlines
Wed 4/152:59 am
SJU
-
SAT
1 stop11h 18m
Spirit Airlines
Deal found 3/5$290

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 March 10, 2026.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$275
(Cheapflightsfares)

One-way from

$122
(Frontier)

Popular in

December

Cheapest in

September

Average price

$416

Good round-trip deal

$515 or less

Good one-way deal

$176 or less
Provider with most accurate pricing for San Antonio-Puerto Rico flight deals.
Provider most trusted by Cheapflights users for San Antonio-Puerto Rico flights.
From San Antonio to Puerto Rico
One-way flight from San Antonio to Puerto Rico
Highest demand for flights based on searches. 13% potential increase in price ($56 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
Average for round-trip flights in March 2026
Price to beat on a round-trip flight from San Antonio to Puerto Rico.
Price to beat on a one-way flight from San Antonio to Puerto Rico.

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 March 10, 2026.
Use the filters below to find and compare flights from San Antonio to Puerto Rico that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Sun 4/12

11:46 am-8:38 pm

1 stop7h 52m

San Juan Luis Munoz Marin Intl

Thu 4/16

1:00 am-4:09 pm

2 stops16h 09m

$326

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Mon 4/27

11:46 am-8:38 pm

1 stop7h 52m

San Juan Luis Munoz Marin Intl

Wed 4/29

1:00 am-10:34 am

1 stop10h 34m

$346

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Fri 6/5

11:25 am-12:15 am

1 stop11h 50m

San Juan Luis Munoz Marin Intl

Wed 6/10

5:00 am-5:55 pm

1 stop13h 55m

$362

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Tue 4/14

6:49 am-11:50 pm

2 stops16h 01m

San Juan Luis Munoz Marin Intl

Mon 5/4

1:00 am-10:34 am

1 stop10h 34m

$366

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Fri 5/1

10:05 am-11:25 pm

1 stop12h 20m

San Juan Luis Munoz Marin Intl

Mon 5/11

8:40 pm-8:55 am

1 stop13h 15m

$371
Quickest round-trip

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Thu 6/11

5:45 pm-1:20 am

1 stop6h 35m

San Juan Luis Munoz Marin Intl

Sun 6/14

7:05 pm-12:35 am

1 stop6h 30m

$379

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Sun 6/14

8:00 am-7:53 pm

1 stop10h 53m

San Juan Luis Munoz Marin Intl

Thu 6/18

7:30 am-5:13 pm

1 stop10h 43m

$396

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Tue 7/14

5:15 am-7:45 pm

1 stop13h 30m

San Juan Luis Munoz Marin Intl

Sat 7/18

4:40 pm-10:05 pm

1 stop6h 25m

$401

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Mon 6/8

3:10 pm-1:20 am

2 stops9h 10m

San Juan Luis Munoz Marin Intl

Sat 6/13

9:25 pm-7:50 am

1 stop11h 25m

$411

San AntonioAguadilla

SAT - BQN

SATBQN

San Antonio

Thu 3/26

1:22 pm-1:42 am

1 stop11h 20m

Aguadilla Borinquen

Sat 4/11

2:43 am-12:27 pm

1 stop10h 44m

$438

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/5

Showing 1-10 of 47 resultsSorted by cheapest first
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  • 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% 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, April is the cheapest month in which you can book a flight from San Antonio to Puerto Rico (average of $115). Flying from San Antonio to Puerto Rico in August is currently the most expensive (average of $198). 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 21% of weekly flights between San Antonio and Puerto Rico have experienced delays in the past year, with the average delay time being 128 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 21% 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 March 10, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andUnited 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.

Overall

8.0

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Food

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

Overall

8.0

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Food

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

Overall

8.0

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Food

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

Overall

8.0

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Food

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

Overall

8.0

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Food

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

Overall

8.0

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Food

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

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.
  • What airport do you fly from for flights from San Antonio to Puerto Rico?

    Most people fly from San Antonio (SAT) if they book a flight from San Antonio to Puerto Rico. San Antonio is conveniently located just 7.6 mi from San Antonio’s city center.

  • How long is the flight from San Antonio to Puerto Rico?

    Airlines like United Airlines, Southwest, and Frontier fly from San Antonio to Puerto Rico in about 7h 52m. The time it takes to get you to your destination can typically vary by up to 3h 58m. The distance between San Antonio and Puerto Rico is about 2177 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from San Antonio to Puerto Rico one-way?

    One-way options have recently been found by users for as low as $87 on Spirit Airlines. Other airlines that offer cheap prices include Frontier from $89 and Delta from $122 one-way.

  • What are the most popular routes from San Antonio to Puerto Rico?

  • What are the cheapest flights from San Antonio to Puerto Rico?

    Looking for the cheapest flight from San Antonio to Puerto Rico? While on average our users pay $346, our data indicates the cheapest price to be $176. The most popular route (San Antonio - San Juan Luis Munoz Marin Intl), is priced around $236.

  • Can I find deals for flights from San Antonio to Puerto Rico that include hotel bookings?

    Yes. In addition to deals on San Antonio to Puerto Rico flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Antonio to Puerto Rico?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Antonio to Puerto Rico.

  • Can I find deals for business class flights from San Antonio to Puerto Rico?

    Yes. Cheapflights offers flight deals from San Antonio to Puerto Rico by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Antonio to Puerto Rico?

    Currently, April is the cheapest month in which you can book a flight from San Antonio to Puerto Rico (average of $115). Flying from San Antonio to Puerto Rico in August is currently the most expensive (average of $198). 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.

See more FAQs

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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 March 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$130Average$290FlexibilityNo cancel feeOn-time65%
DeltaCheapest$138Average$370FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$168Average$359FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$219Average$443FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$260Average$502FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$265Average$496FlexibilityNo cancel feeOn-time63%

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