$69 Cheap Flights from San Juan (SJU) to Austin (AUS)

View $69 flight on Sun, Feb 1, 2026Opens in a new window

Popular airlines from Luis Munoz Marin Intl. Airport (SJU) to Austin-Bergstrom Intl. Airport (AUS)

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Cheap Flights from San Juan to Austin (SJU-AUS)

Prices were available within the past 7 days and start at $69 for one-way flights and $138 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Thu, Dec 11 - Fri, Jan 9
SJU
San Juan
AUS
Austin
$138 Roundtrip, found 14 hours ago
$138
Roundtrip
found 14 hours ago
Select Frontier Airlines flight, departing Thu, Dec 11 from San Juan to Austin, returning Fri, Jan 9, priced at $138 found 14 hours ago
Frontier Airlines
Thu, Dec 4 - Sun, Dec 7
SJU
San Juan
AUS
Austin
$153 Roundtrip, found 4 hours ago
$153
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Thu, Dec 4 from San Juan to Austin, returning Sun, Dec 7, priced at $153 found 4 hours ago
Frontier Airlines
Thu, Dec 11 - Sun, Jan 11
SJU
San Juan
AUS
Austin
$161 Roundtrip, just found
$161
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Dec 11 from San Juan to Austin, returning Sun, Jan 11, priced at $161 just found
Frontier Airlines
Sun, Dec 14 - Sun, Jan 11
SJU
San Juan
AUS
Austin
$163 Roundtrip, just found
$163
Roundtrip
just found
Select Frontier Airlines flight, departing Sun, Dec 14 from San Juan to Austin, returning Sun, Jan 11, priced at $163 just found
Frontier Airlines
Thu, Feb 5 - Mon, Feb 9
SJU
San Juan
AUS
Austin
$168 Roundtrip, found 10 hours ago
$168
Roundtrip
found 10 hours ago
Select Frontier Airlines flight, departing Thu, Feb 5 from San Juan to Austin, returning Mon, Feb 9, priced at $168 found 10 hours ago
Frontier Airlines
Sun, Dec 14 - Fri, Jan 9
SJU
San Juan
AUS
Austin
$168 Roundtrip, found 1 day ago
$168
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sun, Dec 14 from San Juan to Austin, returning Fri, Jan 9, priced at $168 found 1 day ago
Southwest Airlines
Tue, Feb 3 - Fri, Feb 20
SJU
San Juan
AUS
Austin
$183 Roundtrip, found 9 hours ago
$183
Roundtrip
found 9 hours ago
Select Southwest Airlines flight, departing Tue, Feb 3 from San Juan to Austin, returning Fri, Feb 20, priced at $183 found 9 hours ago
United
Thu, Feb 19 - Sun, Feb 22
SJU
San Juan
AUS
Austin
$189 Roundtrip, found 3 days ago
$189
Roundtrip
found 3 days ago
Select United flight, departing Thu, Feb 19 from San Juan to Austin, returning Sun, Feb 22, priced at $189 found 3 days ago
American Airlines
Sat, Dec 13 - Fri, Jan 9
SJU
San Juan
AUS
Austin
$194 Roundtrip, found 1 day ago
$194
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Dec 13 from San Juan to Austin, returning Fri, Jan 9, priced at $194 found 1 day ago
Delta
Tue, Feb 3 - Fri, Feb 20
SJU
San Juan
AUS
Austin
$197 Roundtrip, found 9 hours ago
$197
Roundtrip
found 9 hours ago
Select Delta flight, departing Tue, Feb 3 from San Juan to Austin, returning Fri, Feb 20, priced at $197 found 9 hours ago

Find the cheapest month to fly from San Juan (SJU) to Austin (AUS)

September is typically the cheapest month to fly

From $175 - $415 per traveler.

Alternative airports near Austin

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Austin-Bergstrom Intl. AUS. Cheapest and Closest option available. Average driving time to city center is 11 minutes. Flights from $271
AUS
Austin-Bergstrom Intl.
CheapestClosest
Average driving time to city center11 min
Flights from $271

Frequently asked questions

How much does a flight from Luis Munoz Marin Intl. Airport (SJU) to Austin-Bergstrom Intl. Airport (AUS) cost?
Snag a cheap one-way flight from $69 or cheap return flight from $138 from Luis Munoz Marin Intl. Airport (SJU) to Austin-Bergstrom Intl. Airport (AUS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Luis Munoz Marin Intl. Airport (SJU) to Austin-Bergstrom Intl. Airport (AUS)?
Planning your trip for December is a great way to save, as it's the cheapest month for flights between SJU and AUS. You'll typically find the lowest prices during the off-season.
What is the cheapest airline that flies from Luis Munoz Marin Intl. Airport (SJU) to Austin-Bergstrom Intl. Airport (AUS)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find the carrier with the cheapest SJU to AUS flight.
How many flights per day from Luis Munoz Marin Intl. Airport (SJU) to Austin-Bergstrom Intl. Airport (AUS)?
Nonstop flights from Luis Munoz Marin Intl. Airport (SJU) to Austin-Bergstrom Intl. Airport (AUS) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SJU to AUS?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can change based on a range of factors, including the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What airline has the least delays from SJU to AUS?
Consider traveling with American Airlines if you'd like to go straight from Luis Munoz Marin Intl. Airport (SJU) to Austin-Bergstrom Intl. Airport (AUS) without any delays. This airline has the strongest track record for punctuality, with an on-time score of 80%. Want to be notified if anything changes? You can keep an eye on your flight status using the Expedia App.
What is the best time to fly from Luis Munoz Marin Intl. Airport (SJU) to Austin-Bergstrom Intl. Airport (AUS)?
Book a flight from Luis Munoz Marin Intl. Airport (SJU) to Austin-Bergstrom Intl. Airport (AUS) that takes off before 3 PM to reduce the likelihood of delays and cancellations. Departures after this time have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Luis Munoz Marin Intl. Airport (SJU) to Austin-Bergstrom Intl. Airport (AUS) last-minute?
Booking your ticket from SJU to AUS shortly before your trip is typically more expensive. However, if you're flexible with your travel dates and times, you could land a cheap last-minute fare.
Is it cheaper to book a SJU to AUS flight and hotel package?
Opting for a SJU to AUS flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Pick from our extensive range of accommodations and then add activities, car rentals and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Luis Munoz Marin Intl. Airport (SJU) to Austin-Bergstrom Intl. Airport (AUS)?
In most instances, you can cancel or modify your SJU to AUS flight. However, additional fees may apply, especially if your booking was made more than 24 hours ago. Double-check your itinerary for the airline's fees and guidelines on flight changes, or if you want further information, visit our Customer Service portal.

Travel information

Origin airport
Luis Munoz Marin Intl.
Destination airport
Austin-Bergstrom Intl.
Airlines serving
American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, Spirit Airlines, United
Roundtrip price
$138
Distance
2143 mi
Average flight time
5 hours 30 mins

Book with confidence

San Juan to Austin Flights

The cheapest times to fly from San Juan to Austin

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from San Juan to Austin are during the month of December. You can find some of the cheapest flights from San Juan to Austin with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from San Juan to Austin

Sunday is one of the best days to book for cheap flights from San Juan to Austin: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from San Juan to Austin

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from San Juan to Austin in 2025. You can also book with separate airlines for your outbound and return journeys, from $69 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap San Juan to Austin flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your San Juan to Austin airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

San Juan to Austin Flights

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*Available to One Key members.