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Puerto Rico

$123+ Cheap flights from Austin (AUS) 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 1/26. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — SJU
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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Cheap flight deals from Austin to Puerto Rico

Keep the following information in mind while searching for Austin to Puerto Rico flight deals. Data was last updated October 28, 2025.

Round-trip from

$245
(United Airlines)

One-way from

$123
(Delta)

Popular in

December

Cheapest in

October

Average price

$364

Good round-trip deal

$484 or less

Good one-way deal

$158 or less
From Austin Bergstrom to Puerto Rico
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One-way flight from Austin Bergstrom to Puerto Rico
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Highest demand for flights based on searches. 10% potential increase in price ($54 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Austin Bergstrom to Puerto Rico.
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Price to beat on a one-way flight from Austin Bergstrom to Puerto Rico.
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Find flight deals from Austin to Puerto Rico

Cheapest flights from Austin to Puerto Rico
Explore the most affordable flight options available from Austin to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 28, 2025.

This Southwest deal was found by Cheapflights users on 10/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1011:45 amAUS - SJU
1 stop9h 35mSouthwest
Wed 12/175:45 amSJU - AUS
2 stops8h 50mSouthwest
Deal found 10/27$245
This Frontier deal was found by Cheapflights users on 10/27. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/910:34 amAUS - SJU
1 stop12h 58mFrontier
Thu 11/134:31 pmSJU - AUS
2 stops19h 54mFrontier
Deal found 10/27$246
This Frontier deal was found by Cheapflights users on 10/26. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/910:34 amAUS - SJU
1 stop12h 58mFrontier
Sat 11/152:11 amSJU - AUS
1 stop9h 59mFrontier
Deal found 10/26$248
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Thu 11/1310:34 amAUS - SJU
1 stop12h 58mMultiple Airlines
Wed 11/199:00 amSJU - AUS
2 stops26h 14mMultiple Airlines
Deal found 10/27$268
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Sun 11/1610:34 amAUS - SJU
1 stop27h 36mMultiple Airlines
Wed 11/193:59 amSJU - AUS
2 stops17h 24mMultiple Airlines
Deal found 10/27$271
This United Airlines deal was found by Cheapflights users on 10/26. 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.
Mon 12/87:00 amAUS - SJU
2 stops13h 22mUnited Airlines
Sat 12/138:30 amSJU - AUS
1 stop9h 18mUnited Airlines
Deal found 10/26$281
This Frontier deal was found by Cheapflights users on 10/27. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/175:40 pmAUS - SJU
1 stop7h 14mFrontier
Thu 11/206:01 amSJU - AUS
1 stop12h 11mFrontier
Deal found 10/27$286
This Frontier deal was found by Cheapflights users on 10/26. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/145:40 pmAUS - SJU
1 stop7h 14mFrontier
Sat 11/229:30 pmSJU - AUS
1 stop12h 38mFrontier
Deal found 10/26$288
This JetBlue deal was found by Cheapflights users on 10/26. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/216:10 amAUS - BQN
1 stop6h 24mJetBlue
Sat 12/275:10 pmBQN - AUS
1 stop7h 38mJetBlue
Deal found 10/26$338
This Frontier deal was found by Cheapflights users on 10/26. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/196:05 pmAUS - PSE
2 stops15h 04mFrontier
Wed 12/2412:29 pmPSE - AUS
2 stops23h 44mFrontier
Deal found 10/26$657
This United Airlines deal was found by Cheapflights users on 10/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/211:05 amAUS - BQN
1 stop10h 52mUnited Airlines
Mon 12/81:09 amBQN - AUS
1 stop10h 54mUnited Airlines
Deal found 10/27$675
This Frontier deal was found by Cheapflights users on 10/26. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/227:22 pmAUS - PSE
2 stops14h 12mFrontier
Wed 12/2412:29 pmPSE - AUS
2 stops23h 44mFrontier
Deal found 10/26$722

Cheapflights Fare Finder

 
Customize your flight search to find flights from Austin 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 October 28, 2025.
Use the filters below to find and compare flights from Austin to Puerto Rico that are best for you.

Fly from

Austin

Fly to

Puerto Rico

Route

Depart

Return

Price

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Wed 2/4

5:30 am-4:36 pm

1 stop9h 06m

San Juan Luis Munoz Marin Intl

Wed 2/25

3:46 pm-9:27 pm

1 stop7h 41m

$245

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Fri 12/12

6:20 am-6:13 pm

1 stop9h 53m

San Juan Luis Munoz Marin Intl

Tue 12/30

6:01 am-2:08 pm

1 stop10h 07m

$325

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Tue 3/10

9:00 am-8:00 pm

1 stop10h 00m

San Juan Luis Munoz Marin Intl

Wed 3/11

7:10 am-3:56 pm

1 stop9h 46m

$330

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Sun 2/1

6:32 am-10:22 pm

2 stops13h 50m

San Juan Luis Munoz Marin Intl

Tue 2/10

2:05 am-1:09 pm

2 stops13h 04m

$335

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Sat 2/21

7:39 pm-6:11 am

1 stop8h 32m

San Juan Luis Munoz Marin Intl

Tue 2/24

2:05 am-1:13 pm

2 stops13h 08m

$335

AustinAguadilla

AUS - BQN

AUSBQN

Austin Bergstrom

Tue 3/3

7:00 am-11:57 pm

2 stops14h 57m

Aguadilla Borinquen

Wed 3/4

1:09 am-1:55 pm

2 stops14h 46m

$335

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Sat 12/20

6:10 am-2:34 pm

1 stop6h 24m

San Juan Luis Munoz Marin Intl

Sun 1/4

5:19 pm-10:48 pm

1 stop7h 29m

$338

AustinAguadilla

AUS - BQN

AUSBQN

Austin Bergstrom

Sun 12/21

6:10 am-2:34 pm

1 stop6h 24m

Aguadilla Borinquen

Sat 12/27

5:10 pm-10:48 pm

1 stop7h 38m

$338

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Thu 2/12

2:05 pm-12:59 am

1 stop8h 54m

San Juan Luis Munoz Marin Intl

Wed 2/25

1:30 pm-10:08 pm

1 stop10h 38m

$350

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Thu 2/12

2:05 pm-12:59 am

1 stop8h 54m

San Juan Luis Munoz Marin Intl

Tue 2/24

1:30 pm-10:08 pm

1 stop10h 38m

$350

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Showing 1-10 of 46 results
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Best time to book a flight from Austin to Puerto Rico

Have a flexible travel schedule? Discover the best time to fly to Puerto Rico from Austin 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 Austin to Puerto Rico

What is the cheapest month to book a flight from Austin to Puerto Rico?

Currently, September is the cheapest month in which you can book a flight from Austin to Puerto Rico (average of $116). Flying from Austin to Puerto Rico in January is currently the most expensive (average of $236). 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 AUS to PR?

Find hourly flight availability from Austin 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 October 28, 2025.

It’s optimal to fly from Austin to Puerto Rico in the evening. By choosing this option you can save up to 36% on the cost of your flight, compared to a flight in the morning.

What is the cheapest day to fly from Austin to Puerto Rico?

Use this chart to determine the cheapest time to fly round-trip from Austin to Puerto Rico. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Austin to Puerto Rico flight should consider departing on Wednesday evenings when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 October 28, 2025.
See what other customers who have flown with Southwest, Delta, and United Airlines from Austin to Puerto Rico have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,240 reviews

Overall

8.0

Food

7.0

Boarding

8.1

Entertainment

7.5

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
4,240 reviews
Southwest
8.0
Very good
4,240 reviews

Overall

8.0

Food

7.0

Boarding

8.1

Entertainment

7.5

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
7.9
Good
7,994 reviews
Southwest
8.0
Very good
4,240 reviews

Overall

8.0

Food

7.0

Boarding

8.1

Entertainment

7.5

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
9,001 reviews
Southwest
8.0
Very good
4,240 reviews

Overall

8.0

Food

7.0

Boarding

8.1

Entertainment

7.5

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
11,032 reviews
Southwest
8.0
Very good
4,240 reviews

Overall

8.0

Food

7.0

Boarding

8.1

Entertainment

7.5

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
Frontier
5.8
Fair
3,124 reviews
Southwest
8.0
Very good
4,240 reviews

Overall

8.0

Food

7.0

Boarding

8.1

Entertainment

7.5

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 Austin 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 Austin to Puerto Rico?

    Austin Bergstrom (AUS) is the airport you will fly out of if you book a flight from Austin to Puerto Rico. It is only a 7.5 mi journey to Austin Bergstrom (AUS) from Austin’s city center.

  • How long is the flight from Austin to Puerto Rico?

    For as low as $245, United Airlines can have you in Puerto Rico from Austin in 9h 06m. The distance between Austin and Puerto Rico is about 2142 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    The cheapest airlines for a one-way flight from Austin to Puerto Rico are United Airlines ($123), Southwest ($123), and Delta ($123).

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

    While some choose either Austin Bergstrom - Aguadilla Borinquen or Austin Bergstrom - Vieques, Austin Bergstrom - San Juan Luis Munoz Marin Intl is the most popular route from Austin to Puerto Rico.

  • What are the cheapest flights from Austin to Puerto Rico?

    Looking for the cheapest flight from Austin to Puerto Rico? While on average our users pay $383, our data indicates the cheapest price to be $158. The most popular route (Austin Bergstrom - San Juan Luis Munoz Marin Intl), is priced around $233.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Austin 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 Austin to Puerto Rico?

    Currently, September is the cheapest month in which you can book a flight from Austin to Puerto Rico (average of $116). Flying from Austin to Puerto Rico in January is currently the most expensive (average of $236). 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 Austin to Puerto Rico

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Austin to Puerto Rico

Discover the top 7 airlines that operate flights from Austin 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 October 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$133Average$326FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$177Average$338FlexibilityNo cancel feeOn-time65%
DeltaCheapest$233Average$389FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$251Average$446FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$258Average$505FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$265Average$532FlexibilityNo cancel feeOn-time63%
JetBlueCheapest$345Average$512FlexibilityNo cancel feeOn-time62%

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