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Puerto Rico

$90+ 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 2/4. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — SJU
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap 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 September 11, 2025.

Round-trip from

$172
(Cheapflightsfares)

One-way from

$91
(Cheapflightsfares)

Popular in

December

Cheapest in

September

Average price

$317

Good round-trip deal

$166 or less

Good one-way deal

$155 or less
From San Antonio to Puerto Rico
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One-way flight from San Antonio to Puerto Rico
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Highest demand for flights based on searches. 18% potential increase in price ($95 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($21 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from San Antonio to Puerto Rico.
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Price to beat on a one-way flight from San Antonio to Puerto Rico.
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Find 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 September 11, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 9/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/294:09 pmSAT - SJU
Nonstop4h 26mSpirit Airlines
Fri 10/310:42 amSJU - SAT
Nonstop5h 32mSpirit Airlines
Deal found 9/9$172
This Priceline deal was found by Cheapflights users on 9/9. 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.
Fri 11/76:20 amSAT - SJU
Nonstop4h 40mSpirit Airlines
Mon 11/101:55 pmSJU - SAT
Nonstop4h 48mSpirit Airlines
Deal found 9/9$177
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2612:45 pmSAT - SJU
1 stop11h 09mSpirit Airlines
Mon 9/2910:42 amSJU - SAT
Nonstop5h 32mSpirit Airlines
Deal found 9/10$180
This Cheapflightsfares deal was found by Cheapflights users on 9/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/56:20 amSAT - SJU
Nonstop4h 40mSpirit Airlines
Mon 12/81:55 pmSJU - SAT
Nonstop4h 48mSpirit Airlines
Deal found 9/9$184
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/131:01 pmSAT - SJU
Nonstop4h 47mSpirit Airlines
Fri 10/178:00 amSJU - SAT
Nonstop5h 06mSpirit Airlines
Deal found 9/10$190
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/31:01 pmSAT - SJU
Nonstop4h 47mSpirit Airlines
Fri 12/51:55 pmSJU - SAT
Nonstop4h 48mSpirit Airlines
Deal found 9/9$192
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/311:01 pmSAT - SJU
Nonstop4h 47mSpirit Airlines
Fri 12/51:55 pmSJU - SAT
Nonstop4h 48mSpirit Airlines
Deal found 9/9$193
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/31:01 pmSAT - SJU
Nonstop4h 47mSpirit Airlines
Mon 12/81:55 pmSJU - SAT
Nonstop4h 48mSpirit Airlines
Deal found 9/9$194
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/311:01 pmSAT - SJU
Nonstop4h 47mSpirit Airlines
Mon 12/81:55 pmSJU - SAT
Nonstop4h 48mSpirit Airlines
Deal found 9/9$195
This Kiwi.com deal was found by Cheapflights users on 9/8. 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.
Mon 9/224:09 pmSAT - SJU
Nonstop4h 26mSpirit Airlines
Fri 9/2610:42 amSJU - SAT
Nonstop5h 32mSpirit Airlines
Deal found 9/8$196
This eDestinos deal was found by Cheapflights users on 9/9. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/34:09 pmSAT - SJU
Nonstop4h 26mSpirit Airlines
Mon 10/68:00 amSJU - SAT
Nonstop5h 06mSpirit Airlines
Deal found 9/9$198
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Wed 10/112:50 pmSAT - BQN
1 stop9h 19mUnited Airlines
Tue 10/712:15 amBQN - SAT
2 stops14h 00mUnited Airlines
Deal found 9/10$225

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 September 11, 2025.
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

Wed 10/1

12:50 pm-11:09 pm

1 stop9h 19m

Aguadilla Borinquen

Tue 10/7

12:15 am-1:15 pm

2 stops14h 00m

$225

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Wed 10/15

5:30 am-3:42 pm

1 stop9h 12m

San Juan Luis Munoz Marin Intl

Tue 10/21

1:05 am-11:37 am

1 stop11h 32m

$269

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Fri 9/26

12:45 pm-12:54 am

1 stop11h 09m

San Juan Luis Munoz Marin Intl

Tue 9/30

4:51 pm-1:49 pm

2 stops45h 58m

$303

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Fri 1/16

7:30 pm-6:11 am

1 stop8h 41m

San Juan Luis Munoz Marin Intl

Sat 1/24

7:45 am-3:31 pm

1 stop9h 46m

$309

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Sat 11/8

12:12 pm-10:22 pm

1 stop8h 10m

San Juan Luis Munoz Marin Intl

Tue 11/11

2:05 am-1:04 pm

2 stops12h 59m

$312

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Tue 3/10

12:24 pm-8:43 pm

1 stop7h 19m

San Juan Luis Munoz Marin Intl

Wed 3/11

7:35 am-3:38 pm

1 stop9h 03m

$370

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Tue 9/23

11:45 am-8:38 pm

1 stop7h 53m

San Juan Luis Munoz Marin Intl

Mon 10/6

1:05 am-11:37 am

1 stop11h 32m

$374

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Wed 9/24

1:20 pm-11:57 pm

1 stop9h 37m

San Juan Luis Munoz Marin Intl

Sat 9/27

7:00 am-3:25 pm

1 stop9h 25m

$375

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Wed 9/24

11:45 am-8:38 pm

1 stop7h 53m

San Juan Luis Munoz Marin Intl

Tue 9/30

1:05 am-10:49 am

2 stops10h 44m

$400

San AntonioAguadilla

SAT - BQN

SATBQN

San Antonio

Sun 3/1

12:50 pm-11:57 pm

1 stop9h 07m

Aguadilla Borinquen

Wed 3/4

1:09 am-12:10 pm

2 stops13h 01m

$459

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 23 results
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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 $254). Flying from San Antonio to Puerto Rico in June is currently the most expensive (average of $339). 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.

What is the cheapest time of day to fly from SAT to PR?

Find hourly flight availability from San Antonio to Puerto Rico. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

When flying from San Antonio to Puerto Rico, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 September 11, 2025.
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.
Southwest
8.0
Very good
4,248 reviews

Boarding

8.1

Entertainment

7.5

Overall

8.0

Food

7.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,248 reviews
Southwest
8.0
Very good
4,248 reviews

Boarding

8.1

Entertainment

7.5

Overall

8.0

Food

7.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
8.0
Very good
7,960 reviews
Southwest
8.0
Very good
4,248 reviews

Boarding

8.1

Entertainment

7.5

Overall

8.0

Food

7.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,937 reviews
Southwest
8.0
Very good
4,248 reviews

Boarding

8.1

Entertainment

7.5

Overall

8.0

Food

7.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,248 reviews

Boarding

8.1

Entertainment

7.5

Overall

8.0

Food

7.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Spirit Airlines
6.3
Okay
8,023 reviews
Southwest
8.0
Very good
4,248 reviews

Boarding

8.1

Entertainment

7.5

Overall

8.0

Food

7.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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 fly from San Antonio to Puerto Rico in about 9h 19m. The time it takes to get you to your destination can typically vary by up to . The distance between San Antonio and Puerto Rico is about 2109 mi.

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

    The most popular flight routes from San Antonio to Puerto Rico are San Antonio - San Juan Luis Munoz Marin Intl, San Antonio - Aguadilla Borinquen and San Antonio - Culebra.

  • 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 $221, our data indicates the cheapest price to be $89. The most popular route (San Antonio - San Juan Luis Munoz Marin Intl), is priced around $180.

  • 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, September is the cheapest month in which you can book a flight from San Antonio to Puerto Rico (average of $254). Flying from San Antonio to Puerto Rico in June is currently the most expensive (average of $339). 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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Alternative routes for San Antonio to Puerto Rico

See prices for flight routes from nearby airports that may be better suited for you.
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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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$130Average$475FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$156Average$291FlexibilityNo cancel feeOn-time65%
DeltaCheapest$236Average$436FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$260Average$561FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$271Average$539FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$322Average$490FlexibilityNo cancel feeOn-time71%

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