$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 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — AUS
Jan 9 — Jan 161
1 adult, Economy
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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
Cheap flight deals from Luis Munoz Marin Intl to Austin
Cheapest flights from Luis Munoz Marin Intl to AustinExplore 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 December 10, 2025.
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 December 10, 2025.
This Travelocity deal was found by Cheapflights users on 12/9. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/249:37 pmSJU - AUS
1 stop12h 31mMultiple Airlines
Wed 1/75:30 amAUS - SJU
1 stop14h 35mMultiple Airlines
Deal found 12/9![Multiple Airlines logo]()
$218
This Expedia deal was found by Cheapflights users on 12/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/249:37 pmSJU - AUS
1 stop12h 31mMultiple Airlines
Wed 12/315:30 amAUS - SJU
1 stop14h 35mMultiple Airlines
Deal found 12/10![Multiple Airlines logo]()
$223
This Mytrip deal was found by Cheapflights users on 12/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/233:55 amSJU - AUS
1 stop30h 13mMultiple Airlines
Mon 1/55:30 amAUS - SJU
1 stop14h 35mMultiple Airlines
Deal found 12/9![Multiple Airlines logo]()
$225
This JetBlue deal was found by Cheapflights users on 12/9. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/305:23 pmSJU - AUS
1 stop7h 06mJetBlue
Wed 1/76:00 amAUS - SJU
1 stop7h 30mJetBlue
Deal found 12/9![JetBlue logo]()
$226
This Trip.com deal was found by Cheapflights users on 12/7. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:28 pmSJU - AUS
1 stop8h 30mMultiple Airlines
Tue 12/309:03 amAUS - SJU
1 stop28h 56mMultiple Airlines
Deal found 12/7![Multiple Airlines logo]()
$227
This Cheapflightsfares deal was found by Cheapflights users on 12/10. 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 Cheapflightsfares 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 12/10![Spirit Airlines logo]()
$237
This Priceline deal was found by Cheapflights users on 12/10. 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
Tue 12/305:30 amAUS - SJU
1 stop14h 35mMultiple Airlines
Deal found 12/10![Multiple Airlines logo]()
$238
This OneTravel deal was found by Cheapflights users on 12/10. 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.
Thu 12/256:28 pmSJU - AUS
1 stop8h 30mSpirit Airlines
Tue 12/305:30 amAUS - SJU
1 stop11h 43mSpirit Airlines
Deal found 12/10![Spirit Airlines logo]()
$240
This JetBlue deal was found by Cheapflights users on 12/8. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/269:36 amSJU - AUS
1 stop6h 32mJetBlue
Sat 1/36:10 amAUS - SJU
1 stop6h 24mJetBlue
Deal found 12/8![JetBlue logo]()
$243
This Priceline deal was found by Cheapflights users on 12/10. 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 12/222:44 pmSJU - AUS
1 stop21h 16mMultiple Airlines
Sun 12/285:30 amAUS - SJU
1 stop14h 35mMultiple Airlines
Deal found 12/10![Multiple Airlines logo]()
$250
Find 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 December 10, 2025.
Most accurate provider | Mytrip 3 stars |
|---|---|
Most trusted provider | Mytrip 3 stars |
Round-trip from | $191 (Kiwi.com) |
One-way from | $123 (American Airlines) |
Popular in | March |
Cheapest in | September |
Average price | $403 |
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 December 10, 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
Tue 12/23
3:55 am-8:08 am
1 stop30h 13m
Austin Bergstrom
Mon 1/5
5:30 am-10:05 pm
1 stop14h 35m
$225
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
$237
San JuanAustin
SJU - AUS
SJUAUS
San Juan Luis Munoz Marin Intl
Fri 12/26
9:36 am-2:08 pm
1 stop6h 32m
Austin Bergstrom
Sat 1/3
6:10 am-2:34 pm
1 stop6h 24m
$243
San JuanAustin
SJU - AUS
SJUAUS
San Juan Luis Munoz Marin Intl
Thu 1/29
5:40 am-10:45 am
1 stop7h 05m
Austin Bergstrom
Mon 2/2
9:30 am-11:10 pm
2 stops11h 40m
$245
San JuanAustin
SJU - AUS
SJUAUS
San Juan Luis Munoz Marin Intl
Thu 2/26
7:30 am-4:02 pm
1 stop10h 32m
Austin Bergstrom
Mon 3/2
12:34 pm-11:58 pm
1 stop9h 24m
$245
San JuanAustin
SJU - AUS
SJUAUS
San Juan Luis Munoz Marin Intl
Wed 2/25
6:15 am-4:02 pm
1 stop11h 47m
Austin Bergstrom
Wed 4/1
5:25 am-1:14 pm
1 stop6h 49m
$245
San JuanAustin
SJU - AUS
SJUAUS
San Juan Luis Munoz Marin Intl
Sun 12/21
7:35 am-12:58 am
1 stop19h 23m
Austin Bergstrom
Mon 1/5
5:30 am-10:05 pm
1 stop14h 35m
$251
San JuanAustin
SJU - AUS
SJUAUS
San Juan Luis Munoz Marin Intl
Fri 12/26
6:28 pm-12:58 am
1 stop8h 30m
Austin Bergstrom
Thu 1/8
7:00 am-3:35 pm
1 stop6h 35m
$281
San JuanAustin
SJU - AUS
SJUAUS
San Juan Luis Munoz Marin Intl
Wed 12/24
2:59 am-12:58 am
2 stops23h 59m
Austin Bergstrom
Tue 12/30
5:30 am-10:05 pm
1 stop14h 35m
$282
San JuanAustin
SJU - AUS
SJUAUS
San Juan Luis Munoz Marin Intl
Tue 12/23
6:28 pm-12:58 am
1 stop8h 30m
Austin Bergstrom
Mon 1/5
5:30 am-10:05 pm
1 stop14h 35m
$287
Showing 1-10 of 17 results
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 December.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- 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 December 5, 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 $200). 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 December 10, 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.
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 10, 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.
Overall
7.9
Crew
8.6
Boarding
8.1
Food
7.0
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
7.9
Crew
8.6
Boarding
8.1
Food
7.0
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
7.9
Crew
8.6
Boarding
8.1
Food
7.0
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
7.9
Crew
8.6
Boarding
8.1
Food
7.0
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
7.9
Crew
8.6
Boarding
8.1
Food
7.0
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
7.9
Crew
8.6
Boarding
8.1
Food
7.0
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
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.
Traveling to a place near Austin?
Book flights to Austin if you plan to visit one of these locationsCedar Park
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Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Luis Munoz Marin Intl to Austin
See prices for flight routes from nearby airports that may be better suited for you.
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 December 10, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$138 | Average$308 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$198 | Average$268 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$245 | Average$387 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$245 | Average$403 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$245 | Average$395 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$295 | Average$487 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$325 | Average$325 | FlexibilityNo cancel fee | On-time62% |