$137+ 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 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from San Juan 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 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
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 July 8, 2025.
Round-trip from | $189 (Southwest) |
|---|---|
One-way from | $137 (Cheapflightsfares) |
Popular in | March |
Cheapest in | September |
Average price | $426 |
Find flight deals from San Juan to Austin
Cheapest flights from San Juan to AustinExplore 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 July 8, 2025.
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 July 8, 2025.
This Southwest deal was found by Cheapflights users on 7/8. 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.
This American Airlines deal was found by Cheapflights users on 7/8. 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.
This OneTravel deal was found by Cheapflights users on 7/8. 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 OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 7/7. 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.
This Priceline deal was found by Cheapflights users on 7/8. 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.
This Priceline deal was found by Cheapflights users on 7/8. 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.
This United Airlines deal was found by Cheapflights users on 7/8. 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.
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 July 8, 2025.
Use the filters below to find and compare flights from San Juan to Austin that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
San JuanAustin
SJU - AUS
SJUAUS
San Juan Luis Munoz Marin Intl
Tue 9/30
7:20 am-7:30 pm
2 stops13h 10m
Austin Bergstrom
Tue 10/14
6:25 am-8:45 pm
1 stop13h 20m
San JuanAustin
SJU - AUS
SJUAUS
San Juan Luis Munoz Marin Intl
Fri 8/22
7:55 am-7:09 pm
1 stop12h 14m
Austin Bergstrom
Mon 8/25
1:00 pm-9:30 pm
1 stop7h 30m
San JuanAustin
SJU - AUS
SJUAUS
San Juan Luis Munoz Marin Intl
Thu 8/7
10:14 pm-10:18 pm
1 stop25h 04m
Austin Bergstrom
Mon 8/11
7:30 am-9:09 pm
1 stop12h 39m
San JuanAustin
SJU - AUS
SJUAUS
San Juan Luis Munoz Marin Intl
Wed 10/8
2:28 pm-12:27 am
1 stop10h 59m
Austin Bergstrom
Wed 10/15
1:40 pm-10:21 pm
1 stop7h 41m
San JuanAustin
SJU - AUS
SJUAUS
San Juan Luis Munoz Marin Intl
Wed 8/6
12:59 am-6:29 pm
1 stop18h 30m
Austin Bergstrom
Mon 8/11
7:30 am-9:09 pm
1 stop12h 39m
San JuanAustin
SJU - AUS
SJUAUS
San Juan Luis Munoz Marin Intl
Wed 7/23
7:34 pm-9:42 am
1 stop15h 08m
Austin Bergstrom
Sun 7/27
5:31 pm-2:39 am
1 stop8h 08m
San JuanAustin
SJU - AUS
SJUAUS
San Juan Luis Munoz Marin Intl
Thu 9/11
1:05 am-1:08 pm
2 stops13h 03m
Austin Bergstrom
Mon 9/22
12:10 pm-8:38 pm
1 stop7h 28m
San JuanAustin
SJU - AUS
SJUAUS
San Juan Luis Munoz Marin Intl
Sun 9/7
3:19 pm-12:59 am
2 stops10h 40m
San JuanAustin
SJU - AUS
SJUAUS
San Juan Luis Munoz Marin Intl
Mon 9/29
1:05 am-2:03 pm
2 stops13h 58m
San JuanAustin
SJU - AUS
SJUAUS
San Juan Luis Munoz Marin Intl
Sat 9/6
1:11 am-9:45 am
1 stop9h 34m
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.
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 June 27, 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, January is the cheapest month in which you can book a flight from San Juan to Austin (average of $286). Flying from San Juan to Austin in March is currently the most expensive (average of $362). 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 July 8, 2025.
It’s typically best to fly out from San Juan to Austin in the evening. Doing so could potentially save you 57% 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 June 30, 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. Saturday 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 July 8, 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.
Boarding
Comfort
Overall
Food
Entertainment
Crew
Reviews
John,May 2025
PVD - BNA
Boarding
Comfort
Overall
Food
Entertainment
Crew
Reviews
John,May 2025
PVD - BNA
Boarding
Comfort
Overall
Food
Entertainment
Crew
Reviews
John,May 2025
PVD - BNA
Boarding
Comfort
Overall
Food
Entertainment
Crew
Reviews
John,May 2025
PVD - BNA
Boarding
Comfort
Overall
Food
Entertainment
Crew
Reviews
John,May 2025
PVD - BNA
Boarding
Comfort
Overall
Food
Entertainment
Crew
Reviews
John,May 2025
PVD - BNA
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.
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Alternative routes for San Juan to Austin
See prices for flight routes from nearby airports that may be better suited for you.
Top 6 airlines flying from San Juan to Austin
Discover the top 6 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 July 8, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$133 | Average$308 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$189 | Average$268 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$265 | Average$384 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$270 | Average$395 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$288 | Average$418 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$330 | Average$506 | FlexibilityNo cancel fee | On-time63% |