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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 1/14. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — AUS
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
1 adult, Economy
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Cheapflights Tip: The best prices from San Juan to Austin Bergstrom are usually found in September or January, booked 68 days in advance, depart on a Wednesday or Thursday and return on a Wednesday

Cheap 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 December 15, 2025.

This Frontier deal was found by Cheapflights users on 12/14. 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.
Mon 12/229:37 pmSJU - AUS
1 stop12h 31mFrontier
Thu 1/111:00 amAUS - SJU
1 stop12h 24mFrontier
Deal found 12/14$204
This Priceline deal was found by Cheapflights users on 12/14. 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.
Mon 12/229:37 pmSJU - AUS
1 stop12h 31mMultiple Airlines
Fri 1/25:30 amAUS - SJU
1 stop14h 35mMultiple Airlines
Deal found 12/14$213
This eDestinos deal was found by Cheapflights users on 12/13. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/236:28 pmSJU - AUS
1 stop8h 30mSpirit Airlines
Mon 1/55:30 amAUS - SJU
1 stop14h 35mSpirit Airlines
Deal found 12/13$218
This eDestinos deal was found by Cheapflights users on 12/13. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/226:28 pmSJU - AUS
1 stop8h 30mSpirit Airlines
Wed 1/75:30 amAUS - SJU
1 stop14h 35mSpirit Airlines
Deal found 12/13$228
This Kiwi.com deal was found by Cheapflights users on 12/14. 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 12/217:35 amSJU - AUS
1 stop19h 23mMultiple Airlines
Tue 1/65:30 amAUS - SJU
1 stop16h 14mMultiple Airlines
Deal found 12/14$229
This eDestinos deal was found by Cheapflights users on 12/13. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:28 pmSJU - AUS
1 stop8h 30mSpirit Airlines
Fri 1/25:30 amAUS - SJU
1 stop14h 35mSpirit Airlines
Deal found 12/13$242
This Frontier deal was found by Cheapflights users on 12/14. 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 12/209:58 pmSJU - AUS
1 stop12h 10mFrontier
Thu 1/111:00 amAUS - SJU
1 stop12h 24mFrontier
Deal found 12/14$245
This Kiwi.com deal was found by Cheapflights users on 12/14. 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 12/217:35 amSJU - AUS
1 stop19h 23mMultiple Airlines
Wed 1/74:24 pmAUS - SJU
1 stop8h 49mMultiple Airlines
Deal found 12/14$248
This Kiwi.com deal was found by Cheapflights users on 12/14. 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 12/207:35 amSJU - AUS
1 stop19h 23mMultiple Airlines
Tue 1/65:30 amAUS - SJU
1 stop16h 14mMultiple Airlines
Deal found 12/14$251

Find 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 December 15, 2025.

Round-trip from

$164
(Kiwi.com)

One-way from

$123
(United Airlines)

Popular in

March

Cheapest in

September

Average price

$403
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. 8% potential increase in price ($36 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 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 December 15, 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

Thu 1/22

4:40 pm-9:35 pm

1 stop6h 55m

Austin Bergstrom

Mon 1/26

7:25 am-3:35 pm

1 stop6h 10m

$195

San JuanAustin

SJU - AUS

SJUAUS

San Juan Luis Munoz Marin Intl

Fri 1/16

4:40 pm-9:35 pm

1 stop6h 55m

Austin Bergstrom

Wed 1/21

7:25 am-3:35 pm

1 stop6h 10m

$196

San JuanAustin

SJU - AUS

SJUAUS

San Juan Luis Munoz Marin Intl

Sat 2/21

5:25 pm-9:51 am

1 stop18h 26m

Austin Bergstrom

Sun 3/8

8:36 pm-8:54 am

1 stop11h 18m

$212

San JuanAustin

SJU - AUS

SJUAUS

San Juan Luis Munoz Marin Intl

Fri 1/9

5:18 pm-10:34 am

1 stop19h 16m

Austin Bergstrom

Sat 1/17

7:25 am-12:32 pm

1 stop27h 07m

$217

San JuanAustin

SJU - AUS

SJUAUS

San Juan Luis Munoz Marin Intl

Thu 12/25

6:28 pm-12:58 am

1 stop8h 30m

Austin Bergstrom

Fri 1/2

5:30 am-10:05 pm

1 stop14h 35m

$242

San JuanAustin

SJU - AUS

SJUAUS

San Juan Luis Munoz Marin Intl

Tue 4/7

5:35 am-11:40 am

1 stop7h 05m

Austin Bergstrom

Tue 4/14

9:10 am-6:10 pm

1 stop8h 00m

$245

San JuanAustin

SJU - AUS

SJUAUS

San Juan Luis Munoz Marin Intl

Thu 1/22

6:00 am-3:09 pm

2 stops11h 09m

Austin Bergstrom

Mon 1/26

7:30 am-5:03 pm

1 stop7h 33m

$245

San JuanAustin

SJU - AUS

SJUAUS

San Juan Luis Munoz Marin Intl

Wed 2/18

7:00 am-2:42 pm

2 stops9h 42m

Austin Bergstrom

Sat 2/21

5:20 am-10:24 pm

1 stop15h 04m

$245

San JuanAustin

SJU - AUS

SJUAUS

San Juan Luis Munoz Marin Intl

Sun 1/11

2:59 am-9:35 pm

2 stops20h 36m

Austin Bergstrom

Mon 1/19

7:25 am-3:35 pm

1 stop30h 10m

$249

San JuanAustin

SJU - AUS

SJUAUS

San Juan Luis Munoz Marin Intl

Sun 1/11

3:55 am-5:07 pm

1 stop15h 12m

Austin Bergstrom

Mon 1/19

7:14 pm-3:26 pm

1 stop18h 12m

$250

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/13

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 December 12, 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 $178). 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 December 15, 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 December 15, 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
7.9
Good
4,250 reviews

Food

7.0

Comfort

8.0

Boarding

8.1

Overall

7.9

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
7.9
Good
4,250 reviews
Southwest
7.9
Good
4,250 reviews

Food

7.0

Comfort

8.0

Boarding

8.1

Overall

7.9

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,008 reviews
Southwest
7.9
Good
4,250 reviews

Food

7.0

Comfort

8.0

Boarding

8.1

Overall

7.9

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,092 reviews
Southwest
7.9
Good
4,250 reviews

Food

7.0

Comfort

8.0

Boarding

8.1

Overall

7.9

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,052 reviews
Southwest
7.9
Good
4,250 reviews

Food

7.0

Comfort

8.0

Boarding

8.1

Overall

7.9

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Frontier
5.8
Fair
3,080 reviews
Southwest
7.9
Good
4,250 reviews

Food

7.0

Comfort

8.0

Boarding

8.1

Overall

7.9

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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 Spirit Airlines and Frontier fly from San Juan to Austin in about 6h 55m. The time it takes to get you to your destination can typically vary by up to 11h 31m. 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 Delta. Frontier is 66% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from San Juan to Austin one-way?

    The cheapest airlines for a one-way flight from San Juan to Austin are Frontier ($70), Spirit Airlines ($102), and Delta ($118).

  • 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 $178). 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
Georgetown
Fredericksburg
Pflugerville
Dripping Springs
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 December 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$138Average$308FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$162Average$268FlexibilityNo cancel feeOn-time65%
DeltaCheapest$245Average$382FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$245Average$402FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$245Average$395FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$295Average$486FlexibilityNo cancel feeOn-time63%
JetBlueCheapest$325Average$325FlexibilityNo cancel feeOn-time62%

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