Puerto Rico

$101+ 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 4/18. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — SJU
Mar 23 — Mar 301
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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 February 21, 2026.

This CheapOair deal was found by Cheapflights users on 2/18. 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 4/910:22 am
SAT
-
SJU
1 stop7h 33m
Spirit Airlines
Wed 4/153:36 pm
SJU
-
SAT
1 stop18h 35m
Spirit Airlines
Deal found 2/18$271
This Kiwi.com deal was found by Cheapflights users on 2/17. 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.
Sun 5/310:26 am
SAT
-
SJU
1 stop9h 23m
Spirit Airlines
Tue 5/123:43 pm
SJU
-
SAT
1 stop7h 35m
Spirit Airlines
Deal found 2/17$273
This Kiwi.com deal was found by Cheapflights users on 2/19. 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 6/16:00 am
SAT
-
SJU
1 stop7h 32m
Multiple Airlines
Thu 6/45:56 pm
SJU
-
SAT
1 stop16h 15m
Multiple Airlines
Deal found 2/19$274
This Cheapflightsfares deal was found by Cheapflights users on 2/18. 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.
Tue 5/56:00 am
SAT
-
SJU
1 stop15h 10m
Spirit Airlines
Tue 5/123:43 pm
SJU
-
SAT
1 stop7h 35m
Spirit Airlines
Deal found 2/18$275
This Delta deal was found by Cheapflights users on 2/17. 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 5/25:20 am
SAT
-
SJU
1 stop7h 05m
Delta
Wed 5/135:15 pm
SJU
-
SAT
1 stop8h 25m
Delta
Deal found 2/17$276
This CheapOair deal was found by Cheapflights users on 2/18. 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 3/1710:22 am
SAT
-
SJU
1 stop7h 33m
Spirit Airlines
Tue 3/317:54 pm
SJU
-
SAT
1 stop14h 33m
Spirit Airlines
Deal found 2/18$277
This Mytrip deal was found by Cheapflights users on 2/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/226:00 am
SAT
-
SJU
1 stop15h 09m
Spirit Airlines
Tue 2/243:18 pm
SJU
-
SAT
2 stops20h 12m
Spirit Airlines
Deal found 2/19$278
This Cheapflightsfares deal was found by Cheapflights users on 2/19. 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.
Wed 3/181:22 pm
SAT
-
SJU
1 stop7h 37m
Spirit Airlines
Tue 3/241:45 am
SJU
-
SAT
1 stop11h 42m
Spirit Airlines
Deal found 2/19$280
This Kiwi.com deal was found by Cheapflights users on 2/19. 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.
Sun 2/226:00 am
SAT
-
SJU
1 stop13h 20m
Spirit Airlines
Sat 2/286:27 pm
SJU
-
SAT
2 stops41h 03m
Spirit Airlines
Deal found 2/19$281
This Kiwi.com deal was found by Cheapflights users on 2/18. 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 3/2110:22 am
SAT
-
SJU
1 stop10h 12m
Multiple Airlines
Tue 3/247:54 pm
SJU
-
SAT
1 stop14h 33m
Multiple Airlines
Deal found 2/18$282
This Kiwi.com deal was found by Cheapflights users on 2/18. 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 3/2810:22 am
SAT
-
SJU
1 stop10h 12m
Multiple Airlines
Wed 4/17:54 pm
SJU
-
SAT
1 stop14h 33m
Multiple Airlines
Deal found 2/18$283
This United Airlines deal was found by Cheapflights users on 2/19. 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 4/256:49 am
SAT
-
BQN
2 stops15h 20m
United Airlines
Tue 4/2812:15 am
BQN
-
SAT
1 stop11h 19m
United Airlines
Deal found 2/19$292

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 February 21, 2026.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$271
(CheapOair)

One-way from

$101
(Orbitz)

Popular in

December

Cheapest in

October

Average price

$400

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. 12% potential increase in price ($53 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
Average for round-trip flights in February 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 February 21, 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 AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Sat 5/2

11:45 am-8:38 pm

1 stop7h 53m

San Juan Luis Munoz Marin Intl

Tue 5/5

1:00 am-12:15 pm

2 stops12h 15m

$276

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Sat 5/2

12:26 pm-11:13 pm

1 stop9h 47m

San Juan Luis Munoz Marin Intl

Thu 5/14

12:50 pm-8:28 pm

1 stop8h 38m

$276

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Sat 5/2

5:20 am-1:25 pm

1 stop7h 05m

San Juan Luis Munoz Marin Intl

Fri 5/15

7:30 am-3:04 pm

1 stop8h 34m

$276

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Tue 5/5

12:26 pm-11:13 pm

1 stop9h 47m

San Juan Luis Munoz Marin Intl

Sat 5/9

5:15 pm-12:40 am

1 stop8h 25m

$276

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Sat 5/2

1:55 pm-11:13 pm

1 stop8h 18m

San Juan Luis Munoz Marin Intl

Wed 5/13

5:15 pm-12:40 am

1 stop8h 25m

$276

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Mon 3/30

10:22 am-6:55 pm

1 stop7h 33m

San Juan Luis Munoz Marin Intl

Tue 4/7

7:54 pm-9:27 am

1 stop14h 33m

$288

San AntonioAguadilla

SAT - BQN

SATBQN

San Antonio

Sat 4/25

6:49 am-11:09 pm

2 stops15h 20m

Aguadilla Borinquen

Tue 4/28

12:15 am-12:24 pm

2 stops13h 09m

$292

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Tue 5/5

11:45 am-8:38 pm

1 stop7h 53m

San Juan Luis Munoz Marin Intl

Mon 5/11

1:00 am-10:34 am

1 stop10h 34m

$296

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Wed 4/15

12:26 pm-11:12 pm

1 stop9h 46m

San Juan Luis Munoz Marin Intl

Wed 4/22

6:15 am-3:23 pm

1 stop10h 08m

$296

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Tue 3/31

5:10 am-1:27 pm

1 stop7h 17m

San Juan Luis Munoz Marin Intl

Wed 4/1

2:44 pm-12:38 am

1 stop10h 54m

$296

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/18

Showing 1-10 of 32 results
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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 $114). 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 February 21, 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.

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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, Delta, and Frontier fly from San Antonio to Puerto Rico in about 7h 53m. The time it takes to get you to your destination can typically vary by up to 3h 07m. 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 $75 on Frontier. Other airlines that offer cheap prices include Spirit Airlines from $87 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 $239.

  • 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 $114). 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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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 February 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$131Average$289FlexibilityNo cancel feeOn-time65%
FrontierCheapest$150Average$359FlexibilityNo cancel feeOn-time62%
DeltaCheapest$163Average$367FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$222Average$456FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$260Average$502FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$265Average$505FlexibilityNo cancel feeOn-time63%

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