$156+ 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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — AUS
Jun 11 — Jun 181
Round-trip
1 adult, Economy
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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 May 12, 2026.
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 May 12, 2026.
This Priceline deal was found by Cheapflights users on 5/10. 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.
Sun 8/169:24 am
SJU
- AUS
1 stop25h 13m
Frontier
Sat 8/227:31 pm
AUS
- SJU
1 stop11h 38m
Frontier
Deal found 5/10![Frontier logo]()
$258
This Frontier deal was found by Cheapflights users on 5/9. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/296:00 am
SJU
- AUS
1 stop13h 46m
Frontier
Sat 9/57:31 pm
AUS
- SJU
1 stop11h 38m
Frontier
Deal found 5/9![Frontier logo]()
$276
This CheapOair deal was found by Cheapflights users on 5/11. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:05 am
SJU
- AUS
1 stop29h 07m
Frontier
Mon 10/2611:15 am
AUS
- SJU
1 stop29h 22m
Frontier
Deal found 5/11![Frontier logo]()
$296
This OneTravel deal was found by Cheapflights users on 5/8. 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.
Thu 8/69:24 am
SJU
- AUS
1 stop25h 13m
Frontier
Wed 8/1210:37 am
AUS
- SJU
1 stop11h 52m
Frontier
Deal found 5/8![Frontier logo]()
$301
This Priceline deal was found by Cheapflights users on 5/10. 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.
Fri 8/143:06 am
SJU
- AUS
1 stop14h 32m
Frontier
Sat 8/227:31 pm
AUS
- SJU
1 stop11h 38m
Frontier
Deal found 5/10![Frontier logo]()
$303
This CheapOair deal was found by Cheapflights users on 5/12. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/46:42 pm
SJU
- AUS
1 stop16h 30m
Frontier
Sat 10/1011:15 am
AUS
- SJU
1 stop19h 43m
Frontier
Deal found 5/12![Frontier logo]()
$304
This Priceline deal was found by Cheapflights users on 5/11. 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.
Sat 7/116:00 am
SJU
- AUS
1 stop11h 38m
Frontier
Sat 7/185:23 pm
AUS
- SJU
1 stop13h 34m
Frontier
Deal found 5/11![Frontier logo]()
$321
This Delta deal was found by Cheapflights users on 5/12. 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.
Thu 9/2412:58 pm
SJU
- AUS
1 stop8h 24m
Delta
Tue 9/295:40 am
AUS
- SJU
1 stop9h 51m
Delta
Deal found 5/12![Delta logo]()
$356
This Priceline deal was found by Cheapflights users on 5/11. 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.
Thu 7/169:24 am
SJU
- AUS
1 stop25h 13m
Frontier
Sat 7/255:23 pm
AUS
- SJU
1 stop13h 34m
Frontier
Deal found 5/11![Frontier logo]()
$361
This Priceline deal was found by Cheapflights users on 5/11. 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.
Thu 6/116:16 pm
SJU
- AUS
1 stop16h 36m
Frontier
Sat 6/275:42 pm
AUS
- SJU
1 stop18h 34m
Frontier
Deal found 5/11![Frontier logo]()
$366
This American Airlines deal was found by Cheapflights users on 5/8. 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.
Tue 9/157:05 pm
SJU
- AUS
1 stop16h 07m
American Airlines
Wed 9/235:00 am
AUS
- SJU
2 stops12h 10m
American Airlines
Deal found 5/8![American Airlines logo]()
$370
Best flights from San Juan to AustinDiscover carefully curated flight deals from San Juan to Austin that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 12, 2026.
Discover carefully curated flight deals from San Juan to Austin that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 12, 2026.
This United Airlines deal was found by Cheapflights users on 5/8. 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.
Wed 8/52:05 am
SJU
- AUS
1 stop7h 34m
United Airlines
Wed 8/129:33 am
AUS
- SJU
2 stops13h 17m
United Airlines
Deal found 5/8![United Airlines logo]()
$373
This Southwest deal was found by Cheapflights users on 5/8. 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.
Thu 8/65:30 am
SJU
- AUS
2 stops15h 30m
Southwest
Wed 8/128:20 am
AUS
- SJU
2 stops9h 40m
Southwest
Deal found 5/8![Southwest logo]()
$416
This Southwest deal was found by Cheapflights users on 5/11. 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.
Wed 6/248:35 pm
SJU
- AUS
1 stop12h 40m
Southwest
Tue 6/305:00 pm
AUS
- SJU
1 stop6h 15m
Southwest
Deal found 5/11![Southwest logo]()
$416
This Southwest deal was found by Cheapflights users on 5/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/1510:20 pm
SJU
- AUS
1 stop12h 30m
Southwest
Mon 7/206:05 pm
AUS
- SJU
1 stop6h 15m
Southwest
Deal found 5/10![Southwest logo]()
$424
This Southwest deal was found by Cheapflights users on 5/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/810:20 pm
SJU
- AUS
1 stop12h 30m
Southwest
Mon 6/294:25 pm
AUS
- SJU
1 stop6h 10m
Southwest
Deal found 5/9![Southwest logo]()
$442
This United Airlines deal was found by Cheapflights users on 5/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/31:00 am
SJU
- AUS
2 stops13h 12m
United Airlines
Wed 6/107:44 pm
AUS
- SJU
1 stop8h 45m
United Airlines
Deal found 5/9![United Airlines logo]()
$581
This Southwest deal was found by Cheapflights users on 5/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1110:20 pm
SJU
- AUS
1 stop12h 10m
Southwest
Mon 6/1511:40 am
AUS
- SJU
2 stops11h 35m
Southwest
Deal found 5/9![Southwest logo]()
$522
This Southwest deal was found by Cheapflights users on 5/11. 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.
Thu 7/165:00 am
SJU
- AUS
2 stops9h 40m
Southwest
Sat 7/252:20 pm
AUS
- SJU
2 stops9h 55m
Southwest
Deal found 5/11![Southwest logo]()
$534
This Southwest deal was found by Cheapflights users on 5/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/115:00 am
SJU
- AUS
1 stop8h 10m
Southwest
Thu 6/114:25 pm
AUS
- SJU
1 stop6h 10m
Southwest
Deal found 5/10![Southwest logo]()
$554
This Southwest deal was found by Cheapflights users on 5/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/155:35 am
SJU
- AUS
2 stops14h 15m
Southwest
Mon 5/188:25 am
AUS
- SJU
1 stop14h 15m
Southwest
Deal found 5/7![Southwest logo]()
$586
Last-minute flights from San Juan to AustinDiscover last-minute flight deals from San Juan to Austin. Data last updated May 12, 2026 and is based on user searches.
Discover last-minute flight deals from San Juan to Austin. Data last updated May 12, 2026 and is based on user searches.
This eDestinos deal was found by Cheapflights users on 5/8. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/36:41 pm
SJU
- AUS
2 stops26h 37m
Frontier
Thu 6/115:38 pm
AUS
- SJU
2 stops33h 19m
Frontier
Deal found 5/8![Frontier logo]()
$389
This Kiwi.com deal was found by Cheapflights users on 5/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/55:15 pm
SJU
- AUS
1 stop19h 34m
Frontier
Mon 6/89:13 pm
AUS
- SJU
2 stops18h 21m
Frontier
Deal found 5/7![Frontier logo]()
$422
This Priceline deal was found by Cheapflights users on 5/7. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/68:13 pm
SJU
- AUS
1 stop21h 51m
Frontier
Fri 7/3110:37 am
AUS
- SJU
1 stop11h 52m
Frontier
Deal found 5/7![Frontier logo]()
$406
This Kiwi.com deal was found by Cheapflights users on 5/11. 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.
Wed 6/108:50 am
SJU
- AUS
2 stops35h 40m
Frontier
Sat 6/2712:44 pm
AUS
- SJU
1 stop24h 31m
Frontier
Deal found 5/11![Frontier logo]()
$421
This Priceline deal was found by Cheapflights users on 5/11. 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.
Thu 6/116:16 pm
SJU
- AUS
1 stop16h 36m
Frontier
Sat 6/275:42 pm
AUS
- SJU
1 stop18h 34m
Frontier
Deal found 5/11![Frontier logo]()
$366
This Trip.com deal was found by Cheapflights users on 5/11. 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.
Sun 6/213:06 am
SJU
- AUS
1 stop7h 46m
Frontier
Mon 6/2910:37 am
AUS
- SJU
1 stop14h 32m
Frontier
Deal found 5/11![Frontier logo]()
$399
This Southwest deal was found by Cheapflights users on 5/11. 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.
Wed 6/248:35 pm
SJU
- AUS
1 stop12h 40m
Southwest
Tue 6/305:00 pm
AUS
- SJU
1 stop6h 15m
Southwest
Deal found 5/11![Southwest logo]()
$416
This American Airlines deal was found by Cheapflights users on 5/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/256:01 am
SJU
- AUS
1 stop12h 18m
American Airlines
Mon 7/65:30 pm
AUS
- SJU
1 stop15h 15m
American Airlines
Deal found 5/10![American Airlines logo]()
$386
This Travelocity deal was found by Cheapflights users on 5/10. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/276:00 am
SJU
- AUS
1 stop11h 50m
Frontier
Sat 7/45:42 pm
AUS
- SJU
1 stop13h 15m
Frontier
Deal found 5/10![Frontier logo]()
$361
One-way flights from San Juan to AustinSearch for one-way flight options from San Juan to Austin. Find affordable one-way fares based on user searches. Data last updated May 12, 2026.
Search for one-way flight options from San Juan to Austin. Find affordable one-way fares based on user searches. Data last updated May 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/56:00 am
SJU
- AUS
2 stops35h 39m
Frontier
Deal found 5/7![Frontier logo]()
$156
This Kiwi.com deal was found by Cheapflights users on 5/12. 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.
Wed 6/108:50 am
SJU
- AUS
2 stops35h 40m
Frontier
Deal found 5/12![Frontier logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 5/11. 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.
Tue 8/47:30 am
SJU
- AUS
2 stops36h 33m
Frontier
Deal found 5/11![Frontier logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 5/11. 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.
Wed 6/37:00 am
SJU
- AUS
2 stops34h 52m
Frontier
Deal found 5/11![Frontier logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 5/11. 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 8/85:30 am
SJU
- AUS
2 stops36h 09m
Frontier
Deal found 5/11![Frontier logo]()
$168
This Kiwi.com deal was found by Cheapflights users on 5/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/27:00 am
SJU
- AUS
2 stops30h 45m
Frontier
Deal found 5/10![Frontier logo]()
$169
This American Airlines deal was found by Cheapflights users on 5/12. 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.
Wed 8/57:14 pm
SJU
- AUS
1 stop15h 52m
American Airlines
Deal found 5/12![American Airlines logo]()
$178
This Kiwi.com deal was found by Cheapflights users on 5/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/46:41 pm
SJU
- AUS
2 stops26h 37m
Frontier
Deal found 5/7![Frontier logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 5/11. 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 8/39:00 am
SJU
- AUS
2 stops40h 07m
Frontier
Deal found 5/11![Frontier logo]()
$182
This Kiwi.com deal was found by Cheapflights users on 5/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/117:30 am
SJU
- AUS
2 stops10h 13m
Frontier
Deal found 5/10![Frontier logo]()
$186
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 May 12, 2026.
Round-trip from | $258 (Priceline) |
|---|---|
One-way from | $156 (Kiwi.com) |
Popular in | March |
Cheapest in | January |
Average price | $478 |
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 May 12, 2026.
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
Cheapest round-trip
San JuanAustin
SJU - AUS
SJUAUS
San Juan Luis Munoz Marin Intl
Wed 8/5
2:05 am-8:39 am
1 stop7h 34m
Austin Bergstrom
Wed 8/12
9:33 am-11:50 pm
2 stops13h 17m
$373
San JuanAustin
SJU - AUS
SJUAUS
San Juan Luis Munoz Marin Intl
Thu 8/6
5:30 am-8:00 pm
2 stops15h 30m
Austin Bergstrom
Wed 8/12
8:20 am-7:00 pm
2 stops9h 40m
$416
San JuanAustin
SJU - AUS
SJUAUS
San Juan Luis Munoz Marin Intl
Wed 6/24
8:35 pm-8:15 am
1 stop12h 40m
Austin Bergstrom
Tue 6/30
5:00 pm-12:15 am
1 stop6h 15m
$416
San JuanAustin
SJU - AUS
SJUAUS
San Juan Luis Munoz Marin Intl
Mon 6/15
10:20 pm-9:50 am
1 stop12h 30m
Austin Bergstrom
Mon 7/20
6:05 pm-1:20 am
1 stop6h 15m
$424
San JuanAustin
SJU - AUS
SJUAUS
San Juan Luis Munoz Marin Intl
Mon 6/8
10:20 pm-9:50 am
1 stop12h 30m
Austin Bergstrom
Mon 6/29
4:25 pm-11:35 pm
1 stop6h 10m
$442
San JuanAustin
SJU - AUS
SJUAUS
San Juan Luis Munoz Marin Intl
Thu 6/11
10:20 pm-9:30 am
1 stop12h 10m
Austin Bergstrom
Mon 6/15
11:40 am-12:15 am
2 stops11h 35m
$522
San JuanAustin
SJU - AUS
SJUAUS
San Juan Luis Munoz Marin Intl
Thu 7/16
5:00 am-1:40 pm
2 stops9h 40m
Austin Bergstrom
Sat 7/25
2:20 pm-1:15 am
2 stops9h 55m
$534
Quickest round-trip
San JuanAustin
SJU - AUS
SJUAUS
San Juan Luis Munoz Marin Intl
Thu 6/11
5:00 am-12:10 pm
1 stop8h 10m
Austin Bergstrom
Thu 6/11
4:25 pm-11:35 pm
1 stop6h 10m
$554
San JuanAustin
SJU - AUS
SJUAUS
San Juan Luis Munoz Marin Intl
Wed 6/3
1:00 am-1:12 pm
2 stops13h 12m
Austin Bergstrom
Wed 6/10
7:44 pm-5:29 am
1 stop8h 45m
$581
San JuanAustin
SJU - AUS
SJUAUS
San Juan Luis Munoz Marin Intl
Fri 5/15
5:35 am-6:50 pm
2 stops14h 15m
Austin Bergstrom
Mon 5/18
8:25 am-11:40 pm
1 stop14h 15m
$586
Showing 1-10 of 22 resultsSorted by cheapest first
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.
PR1-AUS
SJU-AUS
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
PR1-AUS
SJU-AUS
How far ahead should I book a flight from San Juan to Austin?
To ensure you get the cheapest price possible for a flight from San Juan to Austin, you should look to book at least 87 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 $56). Flying from San Juan to Austin in August is currently the most expensive (average of $183). 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 May 12, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from San Juan to Austin as you normally would.
How much does it cost to fly round-trip from San Juan to Austin?
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 May 12, 2026.
See what other customers who have flown with Southwest,Delta, andUnited 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.
Crew
8.6
Overall
8.0
Boarding
8.1
Entertainment
7.5
Food
7.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Overall
8.0
Boarding
8.1
Entertainment
7.5
Food
7.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Overall
8.0
Boarding
8.1
Entertainment
7.5
Food
7.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Overall
8.0
Boarding
8.1
Entertainment
7.5
Food
7.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Overall
8.0
Boarding
8.1
Entertainment
7.5
Food
7.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Overall
8.0
Boarding
8.1
Entertainment
7.5
Food
7.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
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.
Traveling to a place near Austin?
Book flights to Austin if you plan to visit one of these locationsCedar Park
Round Rock
San Marcos
Bastrop
Fredericksburg
Pflugerville
Dripping Springs
Georgetown
Seguin
Canyon Lake
Horseshoe Bay
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Other flights to Austin
Explore flights to Austin departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on May 12, 2026.
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San Juan and Austin flights
Browse other San Juan and Austin flight options. Last updated on May 12, 2026.
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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 May 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$56 | Average$198 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$122 | Average$396 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$133 | Average$294 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$169 | Average$395 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$236 | Average$345 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$245 | Average$398 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$266 | Average$461 | FlexibilityNo cancel fee | On-time63% |