HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Austin

$123+ Cheap flights from Luis Munoz Marin Intl (SJU) to Austin (AUS)

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 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — AUS
Nov 26 — Dec 31
Wed 11/26
Wed 12/3
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Luis Munoz Marin Intl to Austin 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 San Juan Luis Munoz Marin Intl to Austin Bergstrom are usually found in September or October, booked 68 days in advance, depart on a Wednesday or Thursday and return on a Wednesday

Find flight deals from Luis Munoz Marin Intl to Austin

Cheapest flights from Luis Munoz Marin Intl to Austin
Explore the most affordable flight options available from Luis Munoz Marin Intl to Austin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 27, 2025.

This Southwest deal was found by Cheapflights users on 10/25. 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 12/55:45 amSJU - AUS
2 stops8h 50mSouthwest
Sun 12/79:25 amAUS - SJU
1 stop14h 00mSouthwest
Deal found 10/25$245
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.
Sat 11/229:30 pmSJU - AUS
1 stop12h 38mFrontier
Mon 12/111:58 amAUS - SJU
1 stop10h 57mFrontier
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.
Fri 11/149:30 amSJU - AUS
2 stops39h 46mFrontier
Sun 11/1610:34 amAUS - SJU
1 stop12h 58mFrontier
Deal found 10/27$249
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.
Sat 11/83:59 amSJU - AUS
1 stop11h 29mFrontier
Sun 11/1610:34 amAUS - SJU
1 stop12h 58mFrontier
Deal found 10/27$252
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.
Wed 11/121:59 amSJU - AUS
1 stop10h 11mFrontier
Mon 11/175:56 pmAUS - SJU
2 stops15h 23mFrontier
Deal found 10/27$254
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 11/133:37 pmSJU - AUS
1 stop9h 12mMultiple Airlines
Sun 11/1610:34 amAUS - SJU
1 stop12h 58mMultiple Airlines
Deal found 10/27$262
This Frontier deal was found by Cheapflights users on 10/24. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/79:00 amSJU - AUS
2 stops17h 32mFrontier
Sun 11/910:34 amAUS - SJU
1 stop12h 58mFrontier
Deal found 10/24$263
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 11/93:37 pmSJU - AUS
1 stop9h 12mMultiple Airlines
Sun 11/1610:34 amAUS - SJU
1 stop12h 58mMultiple Airlines
Deal found 10/27$264
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.
Wed 11/126:17 pmSJU - AUS
2 stops19h 20mMultiple Airlines
Mon 11/177:49 pmAUS - SJU
1 stop16h 53mMultiple Airlines
Deal found 10/27$267
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/225:00 pmSJU - AUS
1 stop7h 58mMultiple Airlines
Thu 12/49:59 amAUS - SJU
1 stop21h 56mMultiple Airlines
Deal found 10/26$273
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.
Sat 11/83:59 amSJU - AUS
1 stop11h 29mFrontier
Mon 11/175:56 pmAUS - SJU
2 stops15h 23mFrontier
Deal found 10/27$274

Cheap flight deals from Luis Munoz Marin Intl to Austin

Discover tips and strategies to find the most affordable flight options for your journey from Luis Munoz Marin Intl (SJU) to Austin (AUS). 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 October 27, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$245
(Southwest)

One-way from

$123
(Delta)

Popular in

March

Cheapest in

September

Average price

$330

Good one-way deal

$118 or less
Provider with most accurate pricing for San Juan Luis Munoz Marin Intl-Austin Bergstrom flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Juan Luis Munoz Marin Intl-Austin Bergstrom flights.
Search Deals
From San Juan Luis Munoz Marin Intl to Austin Bergstrom
Search Deals
One-way flight from San Juan Luis Munoz Marin Intl to Austin Bergstrom
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($26 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a one-way flight from San Juan Luis Munoz Marin Intl to Austin Bergstrom.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Luis Munoz Marin Intl to Austin 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 27, 2025.
Use the filters below to find and compare flights from San Juan Luis Munoz Marin Intl Airport to Austin that are best for you.

Fly from

Luis Munoz Marin Intl

Fly to

Austin

Route

Depart

Return

Price

San JuanAustin

SJU - AUS

SJUAUS

San Juan Luis Munoz Marin Intl

Fri 12/5

5:45 am-12:35 pm

2 stops8h 50m

Austin Bergstrom

Sun 12/7

9:25 am-1:25 am

1 stop14h 00m

$245

San JuanAustin

SJU - AUS

SJUAUS

San Juan Luis Munoz Marin Intl

Thu 1/15

6:10 am-4:45 pm

2 stops12h 35m

Austin Bergstrom

Mon 1/19

6:10 am-4:10 pm

2 stops8h 00m

$295

San JuanAustin

SJU - AUS

SJUAUS

San Juan Luis Munoz Marin Intl

Fri 12/5

6:40 am-7:00 pm

2 stops14h 20m

Austin Bergstrom

Mon 12/8

6:20 am-11:20 pm

2 stops15h 00m

$295

San JuanAustin

SJU - AUS

SJUAUS

San Juan Luis Munoz Marin Intl

Wed 12/24

6:40 pm-12:37 am

1 stop7h 57m

Austin Bergstrom

Mon 1/5

10:58 am-11:44 pm

1 stop10h 46m

$305

San JuanAustin

SJU - AUS

SJUAUS

San Juan Luis Munoz Marin Intl

Mon 11/10

2:05 am-1:56 pm

2 stops13h 51m

Austin Bergstrom

Tue 11/18

12:17 pm-10:22 pm

1 stop8h 05m

$336

San JuanAustin

SJU - AUS

SJUAUS

San Juan Luis Munoz Marin Intl

Thu 12/25

6:59 pm-11:59 pm

1 stop7h 00m

Austin Bergstrom

Fri 1/2

5:30 am-10:05 pm

1 stop14h 35m

$350

San JuanAustin

SJU - AUS

SJUAUS

San Juan Luis Munoz Marin Intl

Tue 12/23

6:40 pm-12:37 am

1 stop7h 57m

Austin Bergstrom

Mon 1/5

10:58 am-11:44 pm

1 stop10h 46m

$365

San JuanAustin

SJU - AUS

SJUAUS

San Juan Luis Munoz Marin Intl

Sat 12/20

7:30 am-2:24 pm

1 stop8h 54m

Austin Bergstrom

Sat 1/3

10:55 am-11:20 pm

1 stop10h 25m

$370

San JuanAustin

SJU - AUS

SJUAUS

San Juan Luis Munoz Marin Intl

Wed 1/14

2:05 am-3:46 pm

2 stops15h 41m

Austin Bergstrom

Mon 1/19

6:32 am-10:22 pm

2 stops13h 50m

$375

San JuanAustin

SJU - AUS

SJUAUS

San Juan Luis Munoz Marin Intl

Tue 11/11

6:36 pm-12:28 am

1 stop7h 52m

Austin Bergstrom

Tue 11/18

12:20 pm-11:13 pm

1 stop8h 53m

$387

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/25

Showing 1-10 of 19 results
1
2

Compare providers for flights from Luis Munoz Marin Intl to Austin

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 Luis Munoz Marin Intl to Austin in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust 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 San Juan Luis Munoz Marin Intl Airport-Austin flights, users find the pricing of Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on San Juan Luis Munoz Marin Intl Airport-Austin flight deals on Cheapflights vs. Mytrip >95% of the time. Price accuracy is based on data collected from San Juan Luis Munoz Marin Intl Airport-Austin flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Juan Luis Munoz Marin Intl Airport-Austin flights, Cheapflights users trust Mytrip the most. Mytrip 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 San Juan Luis Munoz Marin Intl Airport-Austin 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 Luis Munoz Marin Intl to Austin

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

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

Use this chart to determine the optimal time to book a round-trip flight from Luis Munoz Marin Intl to Austin. Price data was last updated on October 24, 2025.

The price you pay for your flight from San Juan Luis Munoz Marin Intl Airport to Austin may vary depending on when you book. For the best chance of a lower fare, look to book 68 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from San Juan Luis Munoz Marin Intl Airport to Austin?

Currently, September is the cheapest month in which you can book a flight from San Juan Luis Munoz Marin Intl Airport to Austin (average of $120). Flying from San Juan Luis Munoz Marin Intl Airport to Austin in December is currently the most expensive (average of $244). 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 SJU to AUS?

Find hourly flight availability from Luis Munoz Marin Intl to Austin. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 27, 2025.

It’s typically best to fly out from San Juan Luis Munoz Marin Intl Airport to Austin in the evening. Doing so could potentially save you 46% on the flight price compared to flying at noon, which is usually more expensive.

What is the cheapest day to fly from San Juan Luis Munoz Marin Intl Airport to Austin?

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

Travelers seeking maximum savings on their San Juan Luis Munoz Marin Intl Airport to Austin flight should consider departing on Wednesday evenings when fares are most often at their lowest. Sunday at noon 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 San Juan Luis Munoz Marin Intl Airport to Austin?

Reviews of airlines servicing Austin

Get insights into the airlines that provide service to Austin. 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 Austin. Reviews last updated October 27, 2025.
Get a feel of what it's like to fly with Southwest, Delta, and United Airlines from San Juan Luis Munoz Marin Intl Airport to Austin 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
4,236 reviews

Entertainment

7.5

Boarding

8.1

Overall

8.0

Crew

8.6

Comfort

8.0

Food

7.0

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
4,236 reviews
Southwest
8.0
Very good
4,236 reviews

Entertainment

7.5

Boarding

8.1

Overall

8.0

Crew

8.6

Comfort

8.0

Food

7.0

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
7,996 reviews
Southwest
8.0
Very good
4,236 reviews

Entertainment

7.5

Boarding

8.1

Overall

8.0

Crew

8.6

Comfort

8.0

Food

7.0

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
8,997 reviews
Southwest
8.0
Very good
4,236 reviews

Entertainment

7.5

Boarding

8.1

Overall

8.0

Crew

8.6

Comfort

8.0

Food

7.0

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
11,033 reviews
Southwest
8.0
Very good
4,236 reviews

Entertainment

7.5

Boarding

8.1

Overall

8.0

Crew

8.6

Comfort

8.0

Food

7.0

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
3,122 reviews
Southwest
8.0
Very good
4,236 reviews

Entertainment

7.5

Boarding

8.1

Overall

8.0

Crew

8.6

Comfort

8.0

Food

7.0

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 Luis Munoz Marin Intl to Austin. 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 into for flights to Austin from San Juan Luis Munoz Marin Intl?

    Austin Bergstrom (AUS), located 7.5 mi from the city center, is the airport you fly into when you book flights from San Juan Luis Munoz Marin Intl to Austin. 7 airlines have flights to Austin Bergstrom from San Juan Luis Munoz Marin Intl on a regular basis. Booking flights from San Juan Luis Munoz Marin Intl to Austin Bergstrom should not be difficult; the airport handles an average of 0 inbound flights from San Juan Luis Munoz Marin Intl per day.

  • How long is the flight from San Juan Luis Munoz Marin Intl Airport to Austin?

    Airlines like Southwest and Delta fly from San Juan Luis Munoz Marin Intl Airport to Austin in about 7h 57m. The time it takes to get you to your destination can typically vary by up to 53m. The distance from San Juan Luis Munoz Marin Intl Airport to Austin is about 2142 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Flying on Frontier is currently your cheapest option to Austin, with prices starting at $133. Additional round-trip tickets that might be worth considering are offered by Spirit Airlines and American Airlines, with the lowest prices starting at $198 and $245, respectively. Frontier is currently priced 66% below the average price you’ll pay for this route.

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

    While on average a flight from San Juan Luis Munoz Marin Intl Airport to Austin is generally $118, our data shows the cheapest flight currently is $118. When looking at the most popular route, (San Juan Luis Munoz Marin Intl - Austin Bergstrom), you can expect to pay $245 for that flight.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from San Juan Luis Munoz Marin Intl Airport to Austin (average of $120). Flying from San Juan Luis Munoz Marin Intl Airport to Austin in December is currently the most expensive (average of $244). 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
Cedar Park
Round Rock
San Marcos
Fredericksburg
Pflugerville
Dripping Springs
Georgetown
Canyon Lake
Seguin
Horseshoe Bay

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 Luis Munoz Marin Intl to Austin

Discover the top 7 airlines that operate flights from Luis Munoz Marin Intl to Austin. 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 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$133Average$308FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$198Average$271FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$245Average$404FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$265Average$401FlexibilityNo cancel feeOn-time69%
DeltaCheapest$265Average$381FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$295Average$487FlexibilityNo cancel feeOn-time63%
JetBlueCheapest$325Average$325FlexibilityNo cancel feeOn-time62%

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.