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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — SJU
Mar 31 — Apr 71
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Austin to Luis Munoz Marin Intl with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 March 26, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$271
(Mytrip)

One-way from

$128
(Delta)

Popular in

December

Cheapest in

September

Average price

$514

Good round-trip deal

$372 or less
Provider with most accurate pricing for Austin Bergstrom-San Juan Luis Munoz Marin Intl flight deals.
Provider most trusted by Cheapflights users for Austin Bergstrom-San Juan Luis Munoz Marin Intl flights.
From Austin Bergstrom to San Juan Luis Munoz Marin Intl
One-way flight from Austin Bergstrom to San Juan Luis Munoz Marin Intl
Highest demand for flights based on searches. 12% potential increase in price ($60 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($18 potential savings vs. average RT price).
Average for round-trip flights in March 2025
Price to beat on a round-trip flight from Austin Bergstrom to San Juan Luis Munoz Marin Intl.

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 March 26, 2025.

This Mytrip deal was found by Cheapflights users on 3/26. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/295:30 amAUS - SJU
2 stops17h 09mSpirit Airlines
Tue 5/69:25 amSJU - AUS
1 stop9h 14mSpirit Airlines
Deal found 3/26$271
This United Airlines deal was found by Cheapflights users on 3/25. 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.
Sat 4/267:10 amAUS - SJU
2 stops13h 14mUnited Airlines
Wed 4/307:25 amSJU - AUS
1 stop9h 19mUnited Airlines
Deal found 3/25$274
This Booking.com deal was found by Cheapflights users on 3/25. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/197:15 amAUS - SJU
1 stop10h 52mMultiple Airlines
Sat 5/2412:59 amSJU - AUS
1 stop10h 35mMultiple Airlines
Deal found 3/25$277
This Southwest deal was found by Cheapflights users on 3/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/109:30 amAUS - SJU
1 stop8h 20mSouthwest
Sun 5/115:50 amSJU - AUS
1 stop9h 00mSouthwest
Deal found 3/24$289
This CheapOair deal was found by Cheapflights users on 3/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1210:07 pmAUS - SJU
1 stop23h 33mFrontier
Fri 4/1812:59 amSJU - AUS
1 stop21h 18mFrontier
Deal found 3/26$298
This American Airlines deal was found by Cheapflights users on 3/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/115:24 amAUS - SJU
1 stop13h 56mAmerican Airlines
Fri 4/186:05 amSJU - AUS
1 stop15h 54mAmerican Airlines
Deal found 3/24$310
This Delta deal was found by Cheapflights users on 3/25. 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.
Tue 5/206:45 amAUS - SJU
1 stop8h 46mDelta
Fri 5/236:15 amSJU - AUS
1 stop12h 03mDelta
Deal found 3/25$383

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 March 26, 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

Tue 4/29

5:30 am-11:39 pm

2 stops17h 09m

San Juan Luis Munoz Marin Intl

Tue 5/6

9:25 am-5:39 pm

1 stop9h 14m

$271

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Sat 4/26

7:10 am-9:24 pm

2 stops13h 14m

San Juan Luis Munoz Marin Intl

Wed 4/30

7:25 am-3:44 pm

1 stop9h 19m

$274

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Mon 5/19

7:15 am-7:07 pm

1 stop10h 52m

San Juan Luis Munoz Marin Intl

Sat 5/24

12:59 am-10:34 am

1 stop10h 35m

$277

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Sat 5/10

9:30 am-6:50 pm

1 stop8h 20m

San Juan Luis Munoz Marin Intl

Sun 5/11

5:50 am-1:50 pm

1 stop9h 00m

$289

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Sat 4/12

10:07 pm-10:40 pm

1 stop23h 33m

San Juan Luis Munoz Marin Intl

Fri 4/18

12:59 am-9:17 pm

1 stop21h 18m

$298

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Fri 4/11

5:24 am-8:20 pm

1 stop13h 56m

San Juan Luis Munoz Marin Intl

Fri 4/18

6:05 am-8:59 pm

1 stop15h 54m

$310

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Tue 5/20

6:45 am-4:31 pm

1 stop8h 46m

San Juan Luis Munoz Marin Intl

Fri 5/23

6:15 am-5:18 pm

1 stop12h 03m

$383

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Sat 5/10

1:35 pm-10:49 pm

1 stop8h 14m

$128

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Mon 8/25

5:00 am-3:00 pm

2 stops9h 00m

$131

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Sun 5/11

7:15 am-7:07 pm

1 stop10h 52m

$133

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

Showing 1-10 of 13 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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
CheapfaremartPrice Accuracy-Trust Score*3 stars
CheapOairPrice Accuracy1 starTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*2 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Austin-San Juan Luis Munoz Marin Intl Airport flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 March 21, 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 March 26, 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 33% 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 March 26, 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.

Entertainment

7.6

Overall

8.1

Crew

8.6

Comfort

8.1

Boarding

8.2

Food

7.1

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.

Entertainment

7.6

Overall

8.1

Crew

8.6

Comfort

8.1

Boarding

8.2

Food

7.1

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.
8.0
Very good

Entertainment

7.6

Overall

8.1

Crew

8.6

Comfort

8.1

Boarding

8.2

Food

7.1

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.

Entertainment

7.6

Overall

8.1

Crew

8.6

Comfort

8.1

Boarding

8.2

Food

7.1

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.

Entertainment

7.6

Overall

8.1

Crew

8.6

Comfort

8.1

Boarding

8.2

Food

7.1

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.

Entertainment

7.6

Overall

8.1

Crew

8.6

Comfort

8.1

Boarding

8.2

Food

7.1

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 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?

    Spirit Airlines, at $271, 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 United Airlines and Southwest. Spirit Airlines is currently priced 39% 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 Delta. According to our data, you can fly for as low as $128. Users have also found prices from $131 and $133 on American Airlines and Spirit Airlines, 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 $317. On average you can expect to pay $440. The most popular route, (Austin Bergstrom - San Juan Luis Munoz Marin Intl), can usually be booked for $249.

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

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

    Wynwood Art District, Bayside Marketplace, and Bayfront Park are currently the most popular points of interest in Miami at the moment. Wynwood Art District, Bayside Marketplace, and Bayfront Park 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 $49 per day.

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

    American Airlines Center, Dos Equis Pavilion, and Dallas World Aquarium are currently the most popular points of interest in Dallas. American Airlines Center, Dos Equis Pavilion, and Dallas World Aquarium can be visited by traveling about 15.0 mi, 18.3 mi, and 15.5 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 $55 per day.

  • Where are the least popular layover locations for 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.

See more FAQs

Traveling to a place near Austin?

Book flights to Austin if you plan to visit one of these locations
Dorado
Fajardo
Luquillo
Humacao
Rio Grande
Bayamón

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 March 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$83Average$198FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$181Average$308FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$242Average$375FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$265Average$449FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$284Average$529FlexibilityNo cancel feeOn-time69%
DeltaCheapest$324Average$435FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$369Average$576FlexibilityNo cancel feeOn-time63%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.