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$123+ Cheap flights from San Juan 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 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheapflights Tip: The best prices from San Juan 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 San Juan to Austin

Cheapest flights from San Juan to Austin
Explore the most affordable flight options available from San Juan to Austin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This Delta deal was found by Cheapflights users on 10/29. 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.
Fri 12/57:00 amSJU - AUS
1 stop10h 54mDelta
Wed 12/3110:55 amAUS - SJU
1 stop10h 25mDelta
Deal found 10/29$245
This Frontier deal was found by Cheapflights users on 10/29. 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 12/63:55 amSJU - AUS
1 stop7h 48mFrontier
Wed 12/315:51 pmAUS - SJU
2 stops12h 48mFrontier
Deal found 10/29$246
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
Mon 11/249:30 pmSJU - AUS
1 stop12h 43mMultiple Airlines
Sun 11/308:28 pmAUS - SJU
2 stops25h 16mMultiple Airlines
Deal found 10/28$249
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 11/233:59 amSJU - AUS
1 stop15h 46mFrontier
Sun 11/309:08 amAUS - SJU
1 stop22h 32mFrontier
Deal found 10/28$260
This Trip.com deal was found by Cheapflights users on 10/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/121:26 pmSJU - AUS
1 stop22h 44mFrontier
Fri 11/145:40 pmAUS - SJU
1 stop7h 14mFrontier
Deal found 10/30$268
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
Mon 12/293:54 amSJU - AUS
2 stops39h 02mFrontier
Mon 1/1210:48 amAUS - SJU
1 stop12h 54mFrontier
Deal found 10/28$269
This Frontier deal was found by Cheapflights users on 10/30. 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 11/206:01 amSJU - AUS
1 stop12h 11mFrontier
Sun 11/2311:58 amAUS - SJU
1 stop10h 57mFrontier
Deal found 10/30$274
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 12/71:22 pmSJU - AUS
1 stop9h 05mMultiple Airlines
Wed 12/315:51 pmAUS - SJU
2 stops12h 48mMultiple Airlines
Deal found 10/29$276
This Frontier deal was found by Cheapflights users on 10/28. 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 12/319:37 pmSJU - AUS
1 stop12h 31mFrontier
Mon 1/1210:48 amAUS - SJU
1 stop12h 54mFrontier
Deal found 10/28$280

Cheap flight deals from San Juan to Austin

Discover tips and strategies to find the most affordable flight options for your journey from San Juan (PR1) 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 30, 2025.

Round-trip from

$245
(Delta)

One-way from

$123
(Delta)

Popular in

March

Cheapest in

September

Average price

$330
From San Juan to Austin Bergstrom
Search Deals
One-way flight from San Juan 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
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Cheapflights Fare Finder

 
Customize your flight search to find flights from San Juan 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 30, 2025.
Use the filters below to find and compare flights from San Juan to Austin that are best for you.

Fly from

San Juan

Fly to

Austin

Route

Depart

Return

Price

San JuanAustin

SJU - AUS

SJUAUS

San Juan Luis Munoz Marin Intl

Sat 12/6

7:00 am-5:32 pm

1 stop12h 32m

Austin Bergstrom

Mon 1/5

3:05 pm-11:44 pm

1 stop6h 39m

$245

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

$245

San JuanAustin

SJU - AUS

SJUAUS

San Juan Luis Munoz Marin Intl

Tue 12/23

7:30 am-5:22 pm

1 stop11h 52m

Austin Bergstrom

Mon 1/5

3:05 pm-11:44 pm

1 stop6h 39m

$312

San JuanAustin

SJU - AUS

SJUAUS

San Juan Luis Munoz Marin Intl

Tue 11/11

2:05 am-10:02 am

1 stop9h 57m

Austin Bergstrom

Fri 11/14

12:15 pm-9:26 pm

1 stop7h 11m

$395

San JuanAustin

SJU - AUS

SJUAUS

San Juan Luis Munoz Marin Intl

Thu 12/4

8:30 am-3:46 pm

1 stop9h 16m

Austin Bergstrom

Mon 12/8

7:00 am-12:36 am

2 stops15h 36m

$466

San JuanAustin

SJU - AUS

SJUAUS

San Juan Luis Munoz Marin Intl

Thu 1/15

2:05 am-1:09 pm

2 stops13h 04m

Austin Bergstrom

Wed 1/21

12:27 pm-9:26 pm

1 stop6h 59m

$466

San JuanAustin

SJU - AUS

SJUAUS

San Juan Luis Munoz Marin Intl

Fri 11/7

2:20 pm-11:55 pm

1 stop11h 35m

Austin Bergstrom

Tue 11/11

5:30 am-4:36 pm

1 stop9h 06m

$485

San JuanAustin

SJU - AUS

SJUAUS

San Juan Luis Munoz Marin Intl

Fri 11/7

2:05 am-3:22 pm

2 stops15h 17m

Austin Bergstrom

Mon 11/10

9:45 am-12:36 am

2 stops12h 51m

$485

San JuanAustin

SJU - AUS

SJUAUS

San Juan Luis Munoz Marin Intl

Tue 11/4

7:45 am-3:22 pm

1 stop9h 37m

Austin Bergstrom

Tue 11/11

7:10 am-12:36 am

2 stops15h 26m

$485

San JuanAustin

SJU - AUS

SJUAUS

San Juan Luis Munoz Marin Intl

Tue 12/9

7:00 am-3:54 pm

1 stop10h 54m

$123

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 20 results
1
2

Best time to book a flight from San Juan to Austin

Have a flexible travel schedule? Discover the best time to fly to Austin from San Juan 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 to Austin

How far ahead should I book a flight from San Juan to Austin?

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

To ensure you get the cheapest price possible for a flight from San Juan to Austin, you should look to book at least 68 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from San Juan to Austin?

Currently, September is the cheapest month in which you can book a flight from San Juan to Austin (average of $120). Flying from San Juan 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 San Juan 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 30, 2025.

It’s typically best to fly out from San Juan to Austin in the evening. Doing so could potentially save you 42% on the flight price compared to flying at noon, which is usually more expensive.

What is the cheapest day to fly from San Juan to Austin?

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

Travelers seeking maximum savings on their San Juan 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.

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 30, 2025.
See what other customers who have flown with Southwest, Delta, and United Airlines from San Juan to Austin have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,243 reviews

Crew

8.6

Comfort

8.0

Food

7.0

Entertainment

7.5

Boarding

8.1

Overall

8.0

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
4,243 reviews
Southwest
8.0
Very good
4,243 reviews

Crew

8.6

Comfort

8.0

Food

7.0

Entertainment

7.5

Boarding

8.1

Overall

8.0

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
7,998 reviews
Southwest
8.0
Very good
4,243 reviews

Crew

8.6

Comfort

8.0

Food

7.0

Entertainment

7.5

Boarding

8.1

Overall

8.0

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
8,998 reviews
Southwest
8.0
Very good
4,243 reviews

Crew

8.6

Comfort

8.0

Food

7.0

Entertainment

7.5

Boarding

8.1

Overall

8.0

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
11,035 reviews
Southwest
8.0
Very good
4,243 reviews

Crew

8.6

Comfort

8.0

Food

7.0

Entertainment

7.5

Boarding

8.1

Overall

8.0

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
4,243 reviews

Crew

8.6

Comfort

8.0

Food

7.0

Entertainment

7.5

Boarding

8.1

Overall

8.0

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 San Juan 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?

    If you book a flight to Austin from San Juan, you will be flying to Austin Bergstrom, which is the city’s only airport. Austin Bergstrom (AUS) is located 7.5 mi from the center of Austin. There are 0 flights from San Juan to Austin Bergstrom per day from 7 different airlines.

  • How long is the flight from San Juan to Austin?

    Airlines like Delta and United Airlines fly from San Juan to Austin in about 9h 57m. The time it takes to get you to your destination can typically vary by up to 2h 35m. San Juan and Austin are separated by a distance of 2142 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from San Juan to Austin round-trip?

    Frontier, at $133, was found to be the cheapest airline from San Juan to Austin.Alternate airlines to your destination round-trip include Spirit Airlines and American Airlines. Frontier is 66% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest flights from San Juan to Austin?

    While on average a flight from San Juan 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 San Juan to Austin that include hotel bookings?

    Yes. In addition to deals on San Juan to Austin flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Juan to Austin?

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

  • Can I find deals for business class flights from San Juan to Austin?

    Yes. Cheapflights offers flight deals from San Juan 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 to Austin?

    Currently, September is the cheapest month in which you can book a flight from San Juan to Austin (average of $120). Flying from San Juan 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

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Top 7 airlines flying from San Juan to Austin

Discover the top 7 airlines that operate flights from San Juan 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 30, 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%

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