$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 5/4. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — AUS
May 25 — Jun 11
Round-trip
1 adult, Economy
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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
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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 April 25, 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 April 25, 2026.
This Expedia deal was found by Cheapflights users on 4/24. 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.
Tue 5/123:03 am
SJU
- AUS
1 stop8h 32m
Frontier
Sat 5/1611:30 am
AUS
- SJU
1 stop10h 13m
Frontier
Deal found 4/24![Frontier logo]()
$251
This Frontier deal was found by Cheapflights users on 4/22. 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.
Tue 5/53:03 am
SJU
- AUS
1 stop8h 32m
Frontier
Sat 5/911:30 am
AUS
- SJU
1 stop10h 13m
Frontier
Deal found 4/22![Frontier logo]()
$256
This Priceline deal was found by Cheapflights users on 4/23. 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.
Tue 5/56:00 am
SJU
- AUS
1 stop29h 35m
Frontier
Mon 5/1111:30 am
AUS
- SJU
1 stop13h 38m
Frontier
Deal found 4/23![Frontier logo]()
$260
This CheapOair deal was found by Cheapflights users on 4/23. 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.
Fri 5/83:03 am
SJU
- AUS
1 stop8h 42m
Frontier
Wed 5/1311:30 am
AUS
- SJU
1 stop13h 38m
Frontier
Deal found 4/23![Frontier logo]()
$267
This CheapOair deal was found by Cheapflights users on 4/21. 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.
Mon 5/411:07 am
SJU
- AUS
1 stop8h 10m
Frontier
Fri 5/811:30 am
AUS
- SJU
1 stop13h 38m
Frontier
Deal found 4/21![Frontier logo]()
$271
This Delta deal was found by Cheapflights users on 4/21. 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 9/242:26 pm
SJU
- AUS
1 stop10h 53m
Delta
Tue 9/291:40 pm
AUS
- SJU
1 stop7h 20m
Delta
Deal found 4/21![Delta logo]()
$272
This Priceline deal was found by Cheapflights users on 4/21. 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
Mon 6/1510:37 am
AUS
- SJU
1 stop14h 32m
Frontier
Deal found 4/21![Frontier logo]()
$276
This eDestinos deal was found by Cheapflights users on 4/20. 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 5/43:03 am
SJU
- AUS
2 stops35h 05m
Frontier
Tue 5/125:47 pm
AUS
- SJU
2 stops37h 17m
Frontier
Deal found 4/20![Frontier logo]()
$279
This CheapOair deal was found by Cheapflights users on 4/20. 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.
Fri 5/1512:59 am
SJU
- AUS
1 stop9h 32m
Spirit Airlines
Sat 5/306:00 am
AUS
- SJU
1 stop15h 42m
Spirit Airlines
Deal found 4/20![Spirit Airlines logo]()
$281
This Travelocity deal was found by Cheapflights users on 4/23. 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.
Thu 6/46:09 pm
SJU
- AUS
1 stop17h 41m
Frontier
Wed 6/1010:37 am
AUS
- SJU
1 stop11h 52m
Frontier
Deal found 4/23![Frontier logo]()
$294
This American Airlines deal was found by Cheapflights users on 4/20. 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.
Sat 8/296:00 am
SJU
- AUS
2 stops11h 39m
American Airlines
Sat 9/56:00 am
AUS
- SJU
1 stop7h 54m
American Airlines
Deal found 4/20![American Airlines logo]()
$297
This OneTravel deal was found by Cheapflights users on 4/20. 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.
Mon 5/412:59 am
SJU
- AUS
1 stop9h 32m
Spirit Airlines
Tue 5/126:00 am
AUS
- SJU
1 stop15h 42m
Spirit Airlines
Deal found 4/20![Spirit Airlines logo]()
$299
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 April 25, 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 April 25, 2026.
This Delta deal was found by Cheapflights users on 4/22. 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 7/246:00 am
SJU
- AUS
1 stop8h 51m
Delta
Sun 7/268:15 am
AUS
- SJU
1 stop7h 30m
Delta
Deal found 4/22![Delta logo]()
$456
This Southwest deal was found by Cheapflights users on 4/22. 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.
Tue 6/165:30 am
SJU
- AUS
1 stop7h 25m
Southwest
Tue 6/233:15 pm
AUS
- SJU
1 stop7h 30m
Southwest
Deal found 4/22![Southwest logo]()
$471
This JetBlue deal was found by Cheapflights users on 4/21. 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.
Thu 7/163:01 pm
SJU
- AUS
1 stop9h 05m
JetBlue
Sat 7/253:16 pm
AUS
- SJU
1 stop7h 04m
JetBlue
Deal found 4/21![JetBlue logo]()
$508
This United Airlines deal was found by Cheapflights users on 4/21. 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.
Mon 5/41:00 am
SJU
- AUS
2 stops14h 13m
United Airlines
Tue 5/128:45 am
AUS
- SJU
2 stops14h 05m
United Airlines
Deal found 4/21![United Airlines logo]()
$561
This Southwest deal was found by Cheapflights users on 4/22. 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 5/65:35 am
SJU
- AUS
2 stops11h 00m
Southwest
Sat 5/95:30 am
AUS
- SJU
2 stops9h 05m
Southwest
Deal found 4/22![Southwest logo]()
$526
This Southwest deal was found by Cheapflights users on 4/24. 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 4/305:05 am
SJU
- AUS
2 stops9h 50m
Southwest
Mon 5/42:00 pm
AUS
- SJU
2 stops8h 55m
Southwest
Deal found 4/24![Southwest logo]()
$526
This United Airlines deal was found by Cheapflights users on 4/21. 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.
Thu 6/181:00 am
SJU
- AUS
2 stops13h 12m
United Airlines
Tue 6/236:40 am
AUS
- SJU
2 stops13h 44m
United Airlines
Deal found 4/21![United Airlines logo]()
$616
This Southwest deal was found by Cheapflights users on 4/20. 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 5/286:50 am
SJU
- AUS
1 stop12h 20m
Southwest
Sat 6/611:15 am
AUS
- SJU
Nonstop4h 45m
Southwest
Deal found 4/20![Southwest logo]()
$538
This United Airlines deal was found by Cheapflights users on 4/24. 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.
Thu 5/71:00 am
SJU
- AUS
2 stops15h 24m
United Airlines
Mon 5/1112:15 pm
AUS
- SJU
1 stop7h 23m
United Airlines
Deal found 4/24![United Airlines logo]()
$616
This United Airlines deal was found by Cheapflights users on 4/24. 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.
Tue 4/281:00 am
SJU
- AUS
2 stops15h 24m
United Airlines
Sun 5/312:15 pm
AUS
- SJU
1 stop7h 23m
United Airlines
Deal found 4/24![United Airlines logo]()
$616
This United Airlines deal was found by Cheapflights users on 4/24. 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.
Tue 7/141:00 am
SJU
- AUS
2 stops13h 12m
United Airlines
Wed 7/298:30 am
AUS
- SJU
2 stops11h 54m
United Airlines
Deal found 4/24![United Airlines logo]()
$616
This United Airlines deal was found by Cheapflights users on 4/20. 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 4/291:00 am
SJU
- AUS
2 stops14h 13m
United Airlines
Mon 5/48:45 am
AUS
- SJU
2 stops11h 39m
United Airlines
Deal found 4/20![United Airlines logo]()
$616
Last-minute flights from San Juan to AustinDiscover last-minute flight deals from San Juan to Austin. Data last updated April 25, 2026 and is based on user searches.
Discover last-minute flight deals from San Juan to Austin. Data last updated April 25, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 5/13:23 pm
SJU
- AUS
1 stop26h 43m
Frontier
Sat 5/912:44 pm
AUS
- SJU
2 stops12h 24m
Frontier
Deal found 4/20![Frontier logo]()
$314
This CheapOair deal was found by Cheapflights users on 4/21. 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.
Mon 5/411:07 am
SJU
- AUS
1 stop8h 10m
Frontier
Fri 5/811:30 am
AUS
- SJU
1 stop13h 38m
Frontier
Deal found 4/21![Frontier logo]()
$271
This eDestinos deal was found by Cheapflights users on 4/20. 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 5/43:03 am
SJU
- AUS
2 stops35h 05m
Frontier
Tue 5/125:47 pm
AUS
- SJU
2 stops37h 17m
Frontier
Deal found 4/20![Frontier logo]()
$279
This OneTravel deal was found by Cheapflights users on 4/20. 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.
Mon 5/412:59 am
SJU
- AUS
1 stop9h 32m
Spirit Airlines
Tue 5/126:00 am
AUS
- SJU
1 stop15h 42m
Spirit Airlines
Deal found 4/20![Spirit Airlines logo]()
$299
This Frontier deal was found by Cheapflights users on 4/22. 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.
Tue 5/53:03 am
SJU
- AUS
1 stop8h 32m
Frontier
Sat 5/911:30 am
AUS
- SJU
1 stop10h 13m
Frontier
Deal found 4/22![Frontier logo]()
$256
This Priceline deal was found by Cheapflights users on 4/23. 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.
Tue 5/56:00 am
SJU
- AUS
1 stop29h 35m
Frontier
Mon 5/1111:30 am
AUS
- SJU
1 stop13h 38m
Frontier
Deal found 4/23![Frontier logo]()
$260
This CheapOair deal was found by Cheapflights users on 4/23. 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.
Fri 5/83:03 am
SJU
- AUS
1 stop8h 42m
Frontier
Wed 5/1311:30 am
AUS
- SJU
1 stop13h 38m
Frontier
Deal found 4/23![Frontier logo]()
$267
This eDestinos deal was found by Cheapflights users on 4/20. 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.
Fri 5/87:20 am
SJU
- AUS
2 stops28h 25m
Frontier
Tue 5/125:47 pm
AUS
- SJU
2 stops31h 21m
Frontier
Deal found 4/20![Frontier logo]()
$300
This CheapOair deal was found by Cheapflights users on 4/25. 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 5/123:03 am
SJU
- AUS
1 stop8h 32m
Frontier
Sat 5/1611:30 am
AUS
- SJU
1 stop19h 34m
Frontier
Deal found 4/25![Frontier logo]()
$251
This CheapOair deal was found by Cheapflights users on 4/20. 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.
Fri 5/1512:59 am
SJU
- AUS
1 stop9h 32m
Spirit Airlines
Sat 5/306:00 am
AUS
- SJU
1 stop15h 42m
Spirit Airlines
Deal found 4/20![Spirit Airlines logo]()
$281
This CheapOair deal was found by Cheapflights users on 4/21. 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.
Fri 5/1512:59 am
SJU
- AUS
1 stop9h 32m
Spirit Airlines
Sun 6/76:00 am
AUS
- SJU
1 stop15h 42m
Spirit Airlines
Deal found 4/21![Spirit Airlines logo]()
$315
This Frontier deal was found by Cheapflights users on 4/23. 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 5/283:03 am
SJU
- AUS
1 stop8h 47m
Frontier
Mon 6/111:35 am
AUS
- SJU
1 stop10h 47m
Frontier
Deal found 4/23![Frontier logo]()
$318
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 April 25, 2026.
Search for one-way flight options from San Juan to Austin. Find affordable one-way fares based on user searches. Data last updated April 25, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 5/43:03 am
SJU
- AUS
2 stops35h 05m
Frontier
Deal found 4/20![Frontier logo]()
$137
This Orbitz deal was found by Cheapflights users on 4/21. 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 Orbitz 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
Deal found 4/21![Frontier logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 5/239:45 pm
SJU
- AUS
2 stops36h 58m
Frontier
Deal found 4/21![Frontier logo]()
$142
This CheapOair deal was found by Cheapflights users on 4/20. 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 5/1212:59 am
SJU
- AUS
1 stop9h 32m
Spirit Airlines
Deal found 4/20![Spirit Airlines logo]()
$146
This Kiwi.com deal was found by Cheapflights users on 4/23. 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 5/183:03 am
SJU
- AUS
2 stops14h 49m
Frontier
Deal found 4/23![Frontier logo]()
$147
This Kiwi.com deal was found by Cheapflights users on 4/24. 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 5/155:15 pm
SJU
- AUS
1 stop19h 34m
Frontier
Deal found 4/24![Frontier logo]()
$149
This Trip.com deal was found by Cheapflights users on 4/22. 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.
Tue 5/126:41 pm
SJU
- AUS
2 stops19h 27m
Frontier
Deal found 4/22![Frontier logo]()
$150
This CheapOair deal was found by Cheapflights users on 4/20. 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 6/26:00 am
SJU
- AUS
1 stop29h 35m
Frontier
Deal found 4/20![Frontier logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 4/22. 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 5/1411:39 am
SJU
- AUS
1 stop33h 14m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 4/24. 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 5/206:30 am
SJU
- AUS
2 stops28h 13m
Frontier
Deal found 4/24![Frontier logo]()
$166
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 April 25, 2026.
Round-trip from | $251 (Expedia) |
|---|---|
One-way from | $137 (Kiwi.com) |
Popular in | March |
Cheapest in | January |
Average price | $328 |
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 April 25, 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
Fri 7/24
6:00 am-1:51 pm
1 stop8h 51m
Austin Bergstrom
Sun 7/26
8:15 am-4:45 pm
1 stop7h 30m
$456
Quickest round-trip
San JuanAustin
SJU - AUS
SJUAUS
San Juan Luis Munoz Marin Intl
Tue 6/16
5:30 am-11:55 am
1 stop7h 25m
Austin Bergstrom
Tue 6/23
3:15 pm-11:45 pm
1 stop7h 30m
$471
San JuanAustin
SJU - AUS
SJUAUS
San Juan Luis Munoz Marin Intl
Thu 7/16
3:01 pm-11:06 pm
1 stop9h 05m
Austin Bergstrom
Sat 7/25
3:16 pm-11:20 pm
1 stop7h 04m
$508
San JuanAustin
SJU - AUS
SJUAUS
San Juan Luis Munoz Marin Intl
Wed 5/6
5:35 am-3:35 pm
2 stops11h 00m
Austin Bergstrom
Sat 5/9
5:30 am-3:35 pm
2 stops9h 05m
$526
San JuanAustin
SJU - AUS
SJUAUS
San Juan Luis Munoz Marin Intl
Thu 4/30
5:05 am-1:55 pm
2 stops9h 50m
Austin Bergstrom
Mon 5/4
2:00 pm-11:55 pm
2 stops8h 55m
$526
San JuanAustin
SJU - AUS
SJUAUS
San Juan Luis Munoz Marin Intl
Thu 5/28
6:50 am-6:10 pm
1 stop12h 20m
Austin Bergstrom
Sat 6/6
11:15 am-5:00 pm
Nonstop4h 45m
$538
San JuanAustin
SJU - AUS
SJUAUS
San Juan Luis Munoz Marin Intl
Mon 5/4
1:00 am-2:13 pm
2 stops14h 13m
Austin Bergstrom
Tue 5/12
8:45 am-11:50 pm
2 stops14h 05m
$561
San JuanAustin
SJU - AUS
SJUAUS
San Juan Luis Munoz Marin Intl
Thu 6/18
1:00 am-1:12 pm
2 stops13h 12m
Austin Bergstrom
Tue 6/23
6:40 am-9:24 pm
2 stops13h 44m
$616
San JuanAustin
SJU - AUS
SJUAUS
San Juan Luis Munoz Marin Intl
Thu 5/7
1:00 am-3:24 pm
2 stops15h 24m
Austin Bergstrom
Mon 5/11
12:15 pm-8:38 pm
1 stop7h 23m
$616
San JuanAustin
SJU - AUS
SJUAUS
San Juan Luis Munoz Marin Intl
Tue 4/28
1:00 am-3:24 pm
2 stops15h 24m
Austin Bergstrom
Sun 5/3
12:15 pm-8:38 pm
1 stop7h 23m
$616
Showing 1-10 of 23 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 April 25, 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 April 25, 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.
Boarding
8.1
Crew
8.6
Comfort
8.0
Overall
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Crew
8.6
Comfort
8.0
Overall
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Crew
8.6
Comfort
8.0
Overall
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Crew
8.6
Comfort
8.0
Overall
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Crew
8.6
Comfort
8.0
Overall
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Crew
8.6
Comfort
8.0
Overall
8.0
Food
7.0
Entertainment
7.5
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
Fredericksburg
Pflugerville
Georgetown
Bastrop
Dripping Springs
Seguin
Canyon Lake
Horseshoe Bay
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
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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.
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 April 25, 2026.
Complete your trip
Complete your trip to Austin by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from San Juan to Austin by cabin class
Find flights from San Juan to Austin, based on your preferred cabin class, be it economy, premium economy, business, or first class.
San Juan and Austin flights
Browse other San Juan and Austin flight options. Last updated on April 25, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 April 25, 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$298 | 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$395 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$266 | Average$465 | FlexibilityNo cancel fee | On-time63% |