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San Juan

$144+ Cheap flights from Austin (AUS) to San Juan

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 3/25. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — SJU
mar. 19 — mar. 261
mié. 3/19
mié. 3/26
1 adult, Economy
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The best prices from Austin Bergstrom to San Juan are usually found in September or February, booked 39 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

Cheap flight deals from Austin to San Juan

Discover tips and strategies to find the most affordable flight options for your journey from Austin (AUS) to San Juan (PR1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated marzo 14, 2025.

Round-trip from

$321
(American Airlines)

One-way from

$144
(Frontier)

Popular in

December

Cheapest in

September

Average price

$514
From Austin Bergstrom to San Juan
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One-way flight from Austin Bergstrom to San Juan
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Highest demand for flights based on searches. 12% potential increase in price ($63 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from Austin to San Juan

Cheapest flights from Austin to San Juan
Explore the most affordable flight options available from Austin to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on marzo 14, 2025.

This American Airlines deal was found by Cheapflights users on 3/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/87:00 amAUS - SJU
2 stops9h 14mAmerican Airlines
mar. 4/156:04 pmSJU - AUS
1 stop17h 41mAmerican Airlines
Deal found 3/13$321
This Mytrip deal was found by Cheapflights users on 3/13. 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.
lun. 4/78:27 amAUS - SJU
3 stops28h 40mMultiple Airlines
mié. 4/92:40 pmSJU - AUS
2 stops19h 52mMultiple Airlines
Deal found 3/13$322
This CheapOair deal was found by Cheapflights users on 3/13. 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.
mar. 5/610:32 amAUS - SJU
1 stop22h 34mSpirit Airlines
vie. 5/92:08 amSJU - AUS
1 stop9h 22mSpirit Airlines
Deal found 3/13$323
This Frontier deal was found by Cheapflights users on 3/13. 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.
jue. 4/39:47 amAUS - SJU
1 stop10h 51mFrontier
dom. 4/67:18 amSJU - AUS
1 stop8h 12mFrontier
Deal found 3/13$328
This Delta deal was found by Cheapflights users on 3/13. 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.
lun. 5/512:30 pmAUS - SJU
1 stop6h 53mDelta
mar. 5/207:30 amSJU - AUS
1 stop7h 08mDelta
Deal found 3/13$333
This United deal was found by Cheapflights users on 3/13. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/67:00 amAUS - SJU
2 stops15h 57mUnited Airlines
jue. 5/81:05 amSJU - AUS
1 stop9h 04mUnited Airlines
Deal found 3/13$355
This Southwest deal was found by Cheapflights users on 3/13. 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.
sáb. 4/129:30 amAUS - SJU
1 stop8h 20mSouthwest
sáb. 4/194:45 pmSJU - AUS
Nonstop5h 25mSouthwest
Deal found 3/13$367

Find flights from Austin to San Juan within your budget

Customize your flight search to find flights from Austin to San Juan 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 marzo 14, 2025.

Fly from

Austin

Fly to

San Juan

Route

Depart

Return

Price

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

mar. 4/8

7:00 am-5:14 pm

2 stops9h 14m

San Juan Luis Munoz Marin Intl

mar. 4/15

6:04 pm-10:45 am

1 stop17h 41m

$321

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

lun. 4/7

8:27 am-2:07 pm

3 stops28h 40m

San Juan Luis Munoz Marin Intl

mié. 4/9

2:40 pm-9:32 am

2 stops19h 52m

$322

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

mar. 5/6

10:32 am-10:06 am

1 stop22h 34m

San Juan Luis Munoz Marin Intl

vie. 5/9

2:08 am-10:30 am

1 stop9h 22m

$323

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

jue. 5/8

11:39 am-8:38 pm

1 stop7h 59m

San Juan Luis Munoz Marin Intl

lun. 5/12

1:05 am-9:09 am

1 stop9h 04m

$325

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

jue. 4/3

9:47 am-9:38 pm

1 stop10h 51m

San Juan Luis Munoz Marin Intl

dom. 4/6

7:18 am-2:30 pm

1 stop8h 12m

$328

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

sáb. 4/12

10:30 am-4:05 pm

Nonstop4h 35m

San Juan Luis Munoz Marin Intl

dom. 4/20

9:55 pm-9:00 am

1 stop12h 05m

$456

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

mar. 3/25

9:44 am-11:38 pm

1 stop12h 54m

$144

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

vie. 5/9

11:35 am-11:29 am

3 stops46h 54m

$147

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

mar. 4/1

6:00 am-4:34 pm

2 stops9h 34m

$183

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

mié. 3/26

7:00 am-11:36 pm

2 stops15h 36m

$233

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/13

Showing 1-10 of 12 results
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Best time to book a flight from Austin to San Juan

Have a flexible travel schedule? Discover the best time to fly to San Juan 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.

Travel insights for flights from Austin to San Juan

Get recent, data-driven insights about flights from Austin to San Juan including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Austin to San Juan?

Use this chart to determine the optimal time to book a round-trip flight from Austin to San Juan. Price data was last updated on March 7, 2025.

Booking 39 days in advance of your planned departure date is, on average, the best time to get cheap flights from Austin to San Juan. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Austin to San Juan?

Currently, September is the cheapest month in which you can book a flight from Austin to San Juan (average of $254). Flying from Austin to San Juan in March is currently the most expensive (average of $346). 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 SJU?

Find hourly flight availability from Austin to San Juan. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated marzo 14, 2025.

It’s typically best to fly out from Austin to San Juan in the afternoon. Doing so could potentially save you 35% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from Austin to San Juan?

Use this chart to determine the cheapest time to fly round-trip from Austin to San Juan. Price data was last updated on June 30, 2024.

Travelers seeking maximum savings on their Austin to San Juan 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.

Rainfall in San Juan by month

Plan your trip to San Juan by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Juan ranges from 2.2 - 6.1 inches per month. November is typically the wettest month, when rainfall can reach 6.1 in. February is typically the driest time to visit San Juan when rainfall is around 2.2 in.

Temperature in San Juan by month

Plan your trip to San Juan by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Juan, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 77.0 F).

Reviews of airlines servicing San Juan

Get insights into the airlines that provide service to San Juan. 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 San Juan. Reviews last updated marzo 14, 2025.
Read reviews from past customers who have flown Southwest, Alaska Airlines and United Airlines from Austin to San Juan. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,292 reviews

Overall

8.1

Food

7.1

Crew

8.7

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Southwest
8.1
Very good
4,292 reviews
Southwest
8.1
Very good
4,292 reviews

Overall

8.1

Food

7.1

Crew

8.7

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Alaska Airlines
8.0
Very good
9,734 reviews
Southwest
8.1
Very good
4,292 reviews

Overall

8.1

Food

7.1

Crew

8.7

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

United Airlines
7.4
Good
8,623 reviews
Southwest
8.1
Very good
4,292 reviews

Overall

8.1

Food

7.1

Crew

8.7

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,292 reviews

Overall

8.1

Food

7.1

Crew

8.7

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Spirit Airlines
6.3
Okay
7,894 reviews
Southwest
8.1
Very good
4,292 reviews

Overall

8.1

Food

7.1

Crew

8.7

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Related info for your journey

Find useful and relevant information for your journey from Austin to San Juan. 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 San Juan?

    For a flight from Austin to San Juan, you will be flying from Austin Bergstrom. Austin Bergstrom (AUS) is just 7.5 mi from the center of the city. Austin Bergstrom is the only Austin airport and it handles 0 outbound flights to San Juan per day. 7 airlines have flights to San Juan from Austin Bergstrom on a regular basis.

  • What are the cheapest airlines flying from Austin to San Juan round-trip?

    Currently priced at $321, American Airlines will fly you from Austin to San Juan and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Spirit Airlines and United Airlines - these airlines can fly you to your destination from $323 and $325, respectively. You may be able to fly from Austin to San Juan for 27% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Austin to San Juan one-way?

    The cheapest airlines for a one-way flight from Austin to San Juan are Frontier ($144), Spirit Airlines ($147), and American Airlines ($183).

  • What are the cheapest flights from Austin to San Juan?

    Looking at all options, your cheapest flight can be booked for $317. While the most popular route (Austin Bergstrom - San Juan Luis Munoz Marin Intl) can be booked for $189 on average our data indicates $580 when flying from Austin to San Juan.

  • Where are the most common layover locations when flying from Austin to San Juan?

    Austin to San Juan flights have a layover in Miami most of the time. Miami is followed by Atlanta in terms of the most popular layover location on flights from Austin to San Juan. Dallas sees the third most layovers on flights from Austin to San Juan.

  • What are some popular things to do or see while on a layover in Miami?

    If you're on a layover in Miami and looking for things to do, consider visiting Wynwood Art District, Bayside Marketplace, or Bayfront Park. Wynwood Art District, Bayside Marketplace, and Bayfront Park are located about 5.5 mi, 6.4 mi, and 6.4 mi, respectively from Miami. Those landing in Miami looking to spend some time exploring during their layover can rent a car for about $25 per day.

  • What are some popular points of interest to see during a layover in Atlanta?

    The majority of Atlanta visitors spend their time at Georgia Aquarium, Fox Theatre, and World of Coca-Cola. Those on a layover in Atlanta interested in visiting Georgia Aquarium, Fox Theatre, or World of Coca-Cola can do so by traveling 8.6 mi, 9.3 mi, and 8.6 mi, respectively from Atlanta Hartsfield-Jackson. Those on a layover in Atlanta in need of a rental car can book one at Atlanta Hartsfield-Jackson for about $47.

  • What are points of interest worth seeing during a layover in Dallas?

    Dallas travelers tend to visit American Airlines Center, Dos Equis Pavilion, and Majestic Theatre more than any other attractions. American Airlines Center, Dos Equis Pavilion, and Majestic Theatre are located about 15.0 mi, 18.3 mi, and 16.1 mi, respectively from Dallas/Fort Worth. Those landing in Dallas looking to spend some time exploring during their layover can rent a car for about $53 per day.

  • Where are the least popular layover locations for Austin to San Juan flights?

    Austin to San Juan flights have a layover in Charlotte least often. Charlotte is followed by Orlando in terms of the least popular layover location on flights from Austin to San Juan. Orlando is followed by Houston in terms of the least popular layover location for Austin to San Juan flights.

  • Can I find deals for flights from Austin to San Juan that include hotel bookings?

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

  • How can I find direct flights from Austin to San Juan?

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

  • Can I find deals for business class flights from Austin to San Juan?

    Yes. Cheapflights offers flight deals from Austin to San Juan 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 San Juan?

    Currently, September is the cheapest month in which you can book a flight from Austin to San Juan (average of $254). Flying from Austin to San Juan in March is currently the most expensive (average of $346). 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.

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Alternative routes for Austin to San Juan

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 San Juan

Discover the top 7 airlines that operate flights from Austin to San Juan. 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 marzo 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$83Average$150FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$180Average$307FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$242Average$375FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$267Average$448FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$284Average$532FlexibilityNo cancel feeOn-time69%
DeltaCheapest$324Average$446FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$378Average$580FlexibilityNo cancel feeOn-time63%
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