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Luis Munoz Marin Intl

$133+ 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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — SJU
Jul 1 — Jul 81
Tue 7/1
Tue 7/8
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 74 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 June 26, 2025.

Round-trip from

$251
(FlightHub)

One-way from

$133
(Delta)

Popular in

December

Cheapest in

September

Average price

$487

Good round-trip deal

$550 or less
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. 13% potential increase in price ($70 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in June 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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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 June 26, 2025.

This FlightHub deal was found by Cheapflights users on 6/24. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/2410:38 amAUS - SJU
1 stop12h 21mMultiple Airlines
Sat 8/21:37 amSJU - AUS
1 stop11h 46mMultiple Airlines
Deal found 6/24$251
This Cheapflightsfares deal was found by Cheapflights users on 6/26. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/227:30 amAUS - SJU
1 stop7h 00mSpirit Airlines
Wed 7/303:50 pmSJU - AUS
1 stop7h 28mSpirit Airlines
Deal found 6/26$256
This Priceline deal was found by Cheapflights users on 6/24. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/247:24 pmAUS - SJU
1 stop24h 15mFrontier
Sat 8/29:30 pmSJU - AUS
1 stop19h 31mFrontier
Deal found 6/24$258
This American Airlines deal was found by Cheapflights users on 6/25. 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.
Sun 10/198:32 pmAUS - SJU
1 stop16h 35mAmerican Airlines
Wed 10/225:27 pmSJU - AUS
1 stop7h 28mAmerican Airlines
Deal found 6/25$265
This Delta deal was found by Cheapflights users on 6/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/266:42 amAUS - SJU
1 stop8h 54mDelta
Sat 8/307:30 amSJU - AUS
1 stop7h 17mDelta
Deal found 6/24$315
This United Airlines deal was found by Cheapflights users on 6/25. 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 12/27:00 amAUS - SJU
2 stops13h 22mUnited Airlines
Sat 12/67:45 amSJU - AUS
1 stop7h 29mUnited Airlines
Deal found 6/25$326
This Southwest deal was found by Cheapflights users on 6/25. 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.
Fri 11/78:40 pmAUS - SJU
1 stop11h 15mSouthwest
Tue 11/119:40 amSJU - AUS
1 stop7h 05mSouthwest
Deal found 6/25$350

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 June 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

Thu 7/24

10:38 am-11:59 pm

1 stop12h 21m

San Juan Luis Munoz Marin Intl

Sat 8/2

1:37 am-12:23 pm

1 stop11h 46m

$251

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Tue 7/22

7:30 am-3:30 pm

1 stop7h 00m

San Juan Luis Munoz Marin Intl

Wed 7/30

3:50 pm-10:18 pm

1 stop7h 28m

$256

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Thu 7/24

7:24 pm-8:39 pm

1 stop24h 15m

San Juan Luis Munoz Marin Intl

Sat 8/2

9:30 pm-4:01 pm

1 stop19h 31m

$258

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Fri 8/22

5:35 am-1:30 pm

1 stop6h 55m

San Juan Luis Munoz Marin Intl

Fri 8/29

7:30 am-5:15 pm

1 stop10h 45m

$265

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Sat 8/16

1:37 pm-10:56 pm

1 stop8h 19m

San Juan Luis Munoz Marin Intl

Sat 8/23

7:05 pm-10:09 am

1 stop16h 04m

$320

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Mon 9/8

5:30 am-3:42 pm

1 stop9h 12m

San Juan Luis Munoz Marin Intl

Fri 9/12

1:05 am-1:08 pm

2 stops13h 03m

$355

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Tue 7/8

8:55 am-11:25 pm

2 stops13h 30m

San Juan Luis Munoz Marin Intl

Tue 7/15

11:35 am-10:40 pm

1 stop12h 05m

$405

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Tue 9/2

8:00 am-4:36 pm

1 stop7h 36m

$133

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Fri 8/22

7:15 am-4:10 pm

2 stops31h 55m

$136

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Fri 8/15

7:31 pm-12:28 pm

1 stop15h 57m

$142

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/26

Showing 1-10 of 15 results
1
2

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 June 20, 2025.

Booking 74 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 June is currently the most expensive (average of $339). 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 June 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.

How much does it cost to fly round-trip from Austin to San Juan Luis Munoz Marin Intl Airport?

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 June 26, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest, and Delta from Austin to San Juan Luis Munoz Marin Intl Airport 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Southwest
8.0
Very good
4,276 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Delta
8.0
Very good
7,963 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
United Airlines
7.4
Good
8,838 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.

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 $256, 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 Frontier and Delta. Spirit Airlines is currently priced 41% 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 $133. Users have also found prices from $136 and $142 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 $524. On average you can expect to pay $556. The most popular route, (Austin Bergstrom - San Juan Luis Munoz Marin Intl), can usually be booked for $170.

  • 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. Orlando 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 $21 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 Orlando?

    Walt Disney World Resort, Universal Orlando Resort, and International Drive are currently the most popular points of interest in Orlando. Walt Disney World Resort, Universal Orlando Resort, and International Drive can be visited by traveling about 16.2 mi, 10.2 mi, and 9.9 mi respectively from Orlando. Those landing in Orlando looking to spend some time exploring during their layover can rent a car for about $27 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 Houston least often. Charlotte sees the next fewest layovers on Austin to San Juan Luis Munoz Marin Intl Airport flights. Dallas 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 June is currently the most expensive (average of $339). 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 June 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$130Average$261FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$177Average$300FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$242Average$369FlexibilityNo cancel feeOn-time62%
DeltaCheapest$265Average$400FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$265Average$437FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$286Average$472FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$340Average$562FlexibilityNo cancel feeOn-time63%

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