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Luis Munoz Marin Intl

$128+ Cheap flights from Austin (AUS) to Luis Munoz Marin Intl (SJU)

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 7/20. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — SJU
Apr 30 — May 71
Wed 4/30
Wed 5/7
1 adult, Economy
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Cheapflights Tip: The best prices from Austin Bergstrom to San Juan Luis Munoz Marin Intl are usually found in September or February, booked 85 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

Cheap flight deals from Austin to Luis Munoz Marin Intl

Discover tips and strategies to find the most affordable flight options for your journey from Austin (AUS) to Luis Munoz Marin Intl (SJU). 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 April 25, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$255
(Southwest)

One-way from

$128
(United Airlines)

Popular in

December

Cheapest in

September

Average price

$394

Good round-trip deal

$660 or less

Good one-way deal

$252 or less
Provider with most accurate pricing for Austin Bergstrom-San Juan Luis Munoz Marin Intl flight deals.
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Provider most trusted by Cheapflights users for Austin Bergstrom-San Juan Luis Munoz Marin Intl flights.
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From Austin Bergstrom to San Juan Luis Munoz Marin Intl
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One-way flight from Austin Bergstrom to San Juan Luis Munoz Marin Intl
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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. 4% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Austin Bergstrom to San Juan Luis Munoz Marin Intl.
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Price to beat on a one-way flight from Austin Bergstrom to San Juan Luis Munoz Marin Intl.
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Find flight deals from Austin to Luis Munoz Marin Intl

Cheapest flights from Austin to Luis Munoz Marin Intl
Explore the most affordable flight options available from Austin to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 25, 2025.

This Southwest deal was found by Cheapflights users on 4/25. 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.
Sat 5/175:15 amAUS - SJU
1 stop12h 30mSouthwest
Sat 5/244:00 pmSJU - AUS
1 stop7h 50mSouthwest
Deal found 4/25$255
This Cheapflightsfares deal was found by Cheapflights users on 4/24. 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.
Sun 5/187:25 pmAUS - SJU
1 stop14h 20mSpirit Airlines
Sat 5/2412:40 pmSJU - AUS
1 stop6h 40mSpirit Airlines
Deal found 4/24$256
This Delta deal was found by Cheapflights users on 4/25. 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 5/175:40 amAUS - SJU
1 stop6h 36mDelta
Sat 5/246:15 amSJU - AUS
1 stop10h 39mDelta
Deal found 4/25$278
This Priceline deal was found by Cheapflights users on 4/25. 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 5/167:25 pmAUS - SJU
1 stop14h 20mMultiple Airlines
Sun 5/1812:05 amSJU - AUS
1 stop9h 43mMultiple Airlines
Deal found 4/25$286
This Frontier deal was found by Cheapflights users on 4/25. 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.
Thu 5/89:53 amAUS - SJU
1 stop8h 51mFrontier
Sun 5/119:30 pmSJU - AUS
1 stop13h 12mFrontier
Deal found 4/25$298
This United Airlines deal was found by Cheapflights users on 4/25. 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 5/277:43 pmAUS - SJU
1 stop8h 47mUnited Airlines
Fri 5/301:05 amSJU - AUS
1 stop9h 18mUnited Airlines
Deal found 4/25$300
This American Airlines deal was found by Cheapflights users on 4/25. 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.
Wed 5/146:04 amAUS - SJU
1 stop13h 29mAmerican Airlines
Sat 5/175:30 pmSJU - AUS
1 stop17h 36mAmerican Airlines
Deal found 4/25$310

Cheapflights Fare Finder

Customize your flight search to find flights from Austin to Luis Munoz Marin Intl 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 April 25, 2025.
Use the filters below to find and compare flights from Austin to San Juan Luis Munoz Marin Intl Airport that are best for you.

Fly from

Austin

Fly to

Luis Munoz Marin Intl

Route

Depart

Return

Price

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Sat 5/17

5:15 am-6:45 pm

1 stop12h 30m

San Juan Luis Munoz Marin Intl

Sat 5/24

4:00 pm-10:50 pm

1 stop7h 50m

$255

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Sun 5/18

7:25 pm-10:45 am

1 stop14h 20m

San Juan Luis Munoz Marin Intl

Sat 5/24

12:40 pm-6:20 pm

1 stop6h 40m

$256

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Sat 5/17

5:40 am-1:16 pm

1 stop6h 36m

San Juan Luis Munoz Marin Intl

Sat 5/24

6:15 am-3:54 pm

1 stop10h 39m

$278

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Fri 5/16

7:25 pm-10:45 am

1 stop14h 20m

San Juan Luis Munoz Marin Intl

Sun 5/18

12:05 am-8:48 am

1 stop9h 43m

$286

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Thu 5/8

9:53 am-7:44 pm

1 stop8h 51m

San Juan Luis Munoz Marin Intl

Sun 5/11

9:30 pm-9:42 am

1 stop13h 12m

$298

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Tue 5/27

7:43 pm-5:30 am

1 stop8h 47m

San Juan Luis Munoz Marin Intl

Fri 5/30

1:05 am-9:23 am

1 stop9h 18m

$300

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Wed 5/14

5:22 am-2:40 pm

1 stop8h 18m

San Juan Luis Munoz Marin Intl

Sat 5/17

5:30 pm-10:06 am

1 stop17h 36m

$310

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Sun 7/20

7:51 pm-5:30 am

1 stop8h 39m

$128

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Sun 5/25

7:14 am-6:28 pm

1 stop10h 14m

$129

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Sat 6/14

7:15 am-7:19 pm

1 stop11h 04m

$137

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/25

Showing 1-10 of 14 results
1
2

Compare providers for flights from Austin to Luis Munoz Marin Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Austin to Luis Munoz Marin Intl in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice Accuracy1 starTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Austin-San Juan Luis Munoz Marin Intl Airport flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Austin-San Juan Luis Munoz Marin Intl Airport flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Austin-San Juan Luis Munoz Marin Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Austin-San Juan Luis Munoz Marin Intl Airport flights, Cheapflights users trust AranGrant the most. AranGrant 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 Austin-San Juan Luis Munoz Marin Intl Airport 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 Austin to Luis Munoz Marin Intl

Have a flexible travel schedule? Discover the best time to fly to Luis Munoz Marin Intl 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 San Juan Luis Munoz Marin Intl Airport

How far ahead should I book a flight from Austin to San Juan Luis Munoz Marin Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Austin to Luis Munoz Marin Intl. Price data was last updated on April 18, 2025.

Booking 85 days in advance of your planned departure date is, on average, the best time to get cheap flights from Austin to San Juan Luis Munoz Marin Intl Airport. 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 Luis Munoz Marin Intl Airport?

Currently, September is the cheapest month in which you can book a flight from Austin to San Juan Luis Munoz Marin Intl Airport (average of $254). Flying from Austin to San Juan Luis Munoz Marin Intl Airport in December is currently the most expensive (average of $336). 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 Luis Munoz Marin Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 25, 2025.

It’s typically best to fly out from Austin to San Juan Luis Munoz Marin Intl Airport 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 Luis Munoz Marin Intl Airport?

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

Travelers seeking maximum savings on their Austin to San Juan Luis Munoz Marin Intl Airport 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 Luis Munoz Marin Intl by month

Plan your trip to Luis Munoz Marin Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Juan Luis Munoz Marin Intl Airport 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 Luis Munoz Marin Intl Airport when rainfall is around 2.2 in.

Temperature in Luis Munoz Marin Intl by month

Plan your trip to Luis Munoz Marin Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Juan Luis Munoz Marin Intl Airport, 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 Luis Munoz Marin Intl

Get insights into the airlines that provide service to Luis Munoz Marin Intl. 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 Luis Munoz Marin Intl. Reviews last updated April 25, 2025.
Get a feel of what it's like to fly with Southwest, Delta and United Airlines from Austin to San Juan by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,289 reviews

Crew

8.6

Overall

8.0

Food

7.1

Entertainment

7.6

Comfort

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Southwest
8.0
Very good
4,289 reviews
Southwest
8.0
Very good
4,289 reviews

Crew

8.6

Overall

8.0

Food

7.1

Entertainment

7.6

Comfort

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Delta
8.0
Very good
7,920 reviews
Southwest
8.0
Very good
4,289 reviews

Crew

8.6

Overall

8.0

Food

7.1

Entertainment

7.6

Comfort

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
United Airlines
7.4
Good
8,685 reviews
Southwest
8.0
Very good
4,289 reviews

Crew

8.6

Overall

8.0

Food

7.1

Entertainment

7.6

Comfort

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,289 reviews

Crew

8.6

Overall

8.0

Food

7.1

Entertainment

7.6

Comfort

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Spirit Airlines
6.3
Okay
7,943 reviews
Southwest
8.0
Very good
4,289 reviews

Crew

8.6

Overall

8.0

Food

7.1

Entertainment

7.6

Comfort

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

Related info for your journey

Find useful and relevant information for your journey from Austin to Luis Munoz Marin Intl. 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 Luis Munoz Marin Intl?

    Located just 7.5 mi from the city center, Austin Bergstrom is the airport most travelers will use when flying to San Juan Luis Munoz Marin Intl from Austin. Booking flights from Austin Bergstrom (AUS) to San Juan Luis Munoz Marin Intl should be relatively easy as there are 0 daily outbound flights to San Juan Luis Munoz Marin Intl from 7 different airlines.

  • What are the cheapest airlines flying from Austin to San Juan Luis Munoz Marin Intl Airport round-trip?

    Southwest, at $255, was found to be the cheapest airline from Austin to San Juan Luis Munoz Marin Intl Airport.Alternate airlines to your destination round-trip include Spirit Airlines and Delta. Southwest is currently priced 42% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Austin to San Juan Luis Munoz Marin Intl Airport one-way?

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $128. Users have also found prices from $137 and $149 on Spirit Airlines and Frontier, respectively.

  • What are the cheapest flights from Austin to San Juan Luis Munoz Marin Intl Airport?

    The cheapest flight price from Austin to San Juan Luis Munoz Marin Intl Airport is $123. On average you can expect to pay $542. The most popular route, (Austin Bergstrom - San Juan Luis Munoz Marin Intl), can usually be booked for $255.

  • Where are the most common layover locations when flying from Austin to San Juan Luis Munoz Marin Intl Airport?

    Austin to San Juan Luis Munoz Marin Intl Airport flights have a layover in Miami most of the time. Atlanta sees the second most layovers for non-direct flights flying from Austin to San Juan Luis Munoz Marin Intl Airport. Dallas comes in third as the most popular layover location on Austin to San Juan Luis Munoz Marin Intl Airport flights.

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

    Wynwood Art District, Bayfront Park, and Bayside Marketplace are currently the most popular points of interest in Miami at the moment. Wynwood Art District, Bayfront Park, and Bayside Marketplace can be visited by traveling about 5.5 mi, 6.4 mi, and 6.4 mi respectively from Miami. Travelers can rent a car at Miami for an average daily rate of $24 to make sightseeing during their layover a little easier.

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

    Georgia Aquarium, Fox Theatre, and World of Coca-Cola are currently the most popular points of interest in Atlanta at the moment. 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 landing in Atlanta looking to spend some time exploring during their layover can rent a car for about $56 per day.

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

    American Airlines Center, Dallas World Aquarium, and Reunion Tower are currently the most popular points of interest in Dallas. American Airlines Center, Dallas World Aquarium, and Reunion Tower can be visited by traveling about 15.0 mi, 15.5 mi, and 15.6 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 $57 per day.

  • Where are the least popular layover locations for Austin to San Juan Luis Munoz Marin Intl Airport flights?

    Austin to San Juan Luis Munoz Marin Intl Airport flights have a layover in Charlotte least often. Houston sees the next fewest layovers on Austin to San Juan Luis Munoz Marin Intl Airport flights. Orlando comes in third to last in terms of the least popular layover locations on Austin to San Juan Luis Munoz Marin Intl Airport flights.

  • Can I find deals for flights from Austin to Luis Munoz Marin Intl that include hotel bookings?

    Yes. In addition to deals on Austin to Luis Munoz Marin Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Austin to Luis Munoz Marin Intl?

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

  • Can I find deals for business class flights from Austin to Luis Munoz Marin Intl?

    Yes. Cheapflights offers flight deals from Austin to Luis Munoz Marin Intl 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 Luis Munoz Marin Intl Airport?

    Currently, September is the cheapest month in which you can book a flight from Austin to San Juan Luis Munoz Marin Intl Airport (average of $254). Flying from Austin to San Juan Luis Munoz Marin Intl Airport in December is currently the most expensive (average of $336). 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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Top 7 airlines flying from Austin to Luis Munoz Marin Intl

Discover the top 7 airlines that operate flights from Austin to Luis Munoz Marin Intl. 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 April 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$83Average$198FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$195Average$302FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$242Average$375FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$262Average$445FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$287Average$497FlexibilityNo cancel feeOn-time69%
DeltaCheapest$322Average$423FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$362Average$575FlexibilityNo cancel feeOn-time63%

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