$178+ 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 8/13. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — AUS
Jul 26 — Aug 21
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 June 26, 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 June 26, 2026.
This Delta deal was found by Cheapflights users on 6/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/215:49 pm
SJU
- AUS
1 stop7h 29m
Delta
Fri 9/118:15 am
AUS
- SJU
1 stop7h 34m
Delta
Deal found 6/23![Delta logo]()
$346
This Southwest deal was found by Cheapflights users on 6/23. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/136:30 am
SJU
- AUS
1 stop11h 05m
Southwest
Tue 8/181:00 pm
AUS
- SJU
1 stop7h 05m
Southwest
Deal found 6/23![Southwest logo]()
$356
This United Airlines deal was found by Cheapflights users on 6/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/101:00 am
SJU
- AUS
2 stops13h 12m
United Airlines
Sun 9/135:30 am
AUS
- SJU
1 stop9h 12m
United Airlines
Deal found 6/25![United Airlines logo]()
$365
This Delta deal was found by Cheapflights users on 6/22. 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 8/2112:56 pm
SJU
- AUS
1 stop8h 26m
Delta
Thu 9/1010:25 am
AUS
- SJU
1 stop10h 54m
Delta
Deal found 6/22![Delta logo]()
$366
This United Airlines deal was found by Cheapflights users on 6/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/222:55 pm
SJU
- AUS
1 stop8h 59m
United Airlines
Sun 10/257:00 am
AUS
- SJU
1 stop7h 36m
United Airlines
Deal found 6/22![United Airlines logo]()
$367
This American Airlines deal was found by Cheapflights users on 6/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/163:41 pm
SJU
- AUS
1 stop8h 35m
American Airlines
Wed 9/235:10 am
AUS
- SJU
1 stop14h 37m
American Airlines
Deal found 6/24![American Airlines logo]()
$371
This American Airlines deal was found by Cheapflights users on 6/26. 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 10/247:00 pm
SJU
- AUS
1 stop16h 03m
American Airlines
Sat 10/319:47 am
AUS
- SJU
1 stop13h 03m
American Airlines
Deal found 6/26![American Airlines logo]()
$374
This Southwest deal was found by Cheapflights users on 6/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/116:00 am
SJU
- AUS
1 stop10h 10m
Southwest
Tue 8/1812:55 pm
AUS
- SJU
2 stops8h 05m
Southwest
Deal found 6/25![Southwest logo]()
$376
This Southwest deal was found by Cheapflights users on 6/23. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/116:00 am
SJU
- AUS
2 stops11h 20m
Southwest
Sat 8/159:45 am
AUS
- SJU
1 stop7h 20m
Southwest
Deal found 6/23![Southwest logo]()
$386
This American Airlines deal was found by Cheapflights users on 6/26. 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 9/23:47 pm
SJU
- AUS
1 stop7h 39m
American Airlines
Tue 9/88:00 am
AUS
- SJU
2 stops9h 33m
American Airlines
Deal found 6/26![American Airlines logo]()
$391
This Frontier deal was found by Cheapflights users on 6/24. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/113:10 am
SJU
- AUS
1 stop7h 22m
Frontier
Fri 8/2110:55 am
AUS
- SJU
1 stop7h 57m
Frontier
Deal found 6/24![Frontier logo]()
$396
This Southwest deal was found by Cheapflights users on 6/23. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/45:30 am
SJU
- AUS
2 stops15h 30m
Southwest
Tue 9/88:20 am
AUS
- SJU
2 stops9h 40m
Southwest
Deal found 6/23![Southwest logo]()
$401
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 June 26, 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 June 26, 2026.
This Southwest deal was found by Cheapflights users on 6/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/215:30 am
SJU
- AUS
2 stops15h 30m
Southwest
Sun 8/302:35 pm
AUS
- SJU
1 stop8h 15m
Southwest
Deal found 6/21![Southwest logo]()
$346
This Delta deal was found by Cheapflights users on 6/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/65:43 pm
SJU
- AUS
1 stop7h 49m
Delta
Tue 10/201:40 pm
AUS
- SJU
1 stop7h 19m
Delta
Deal found 6/23![Delta logo]()
$346
This United Airlines deal was found by Cheapflights users on 6/21. 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 8/207:00 am
SJU
- AUS
1 stop7h 12m
United Airlines
Thu 9/109:33 am
AUS
- SJU
2 stops13h 17m
United Airlines
Deal found 6/21![United Airlines logo]()
$366
This Southwest deal was found by Cheapflights users on 6/26. 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 10/159:45 pm
SJU
- AUS
1 stop14h 00m
Southwest
Wed 10/212:40 pm
AUS
- SJU
1 stop6h 00m
Southwest
Deal found 6/26![Southwest logo]()
$346
This Delta deal was found by Cheapflights users on 6/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:30 am
SJU
- AUS
1 stop9h 31m
Delta
Mon 10/195:40 am
AUS
- SJU
1 stop9h 53m
Delta
Deal found 6/23![Delta logo]()
$346
This Delta deal was found by Cheapflights users on 6/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/192:10 pm
SJU
- AUS
1 stop12h 22m
Delta
Sat 1/22:45 pm
AUS
- SJU
1 stop6h 35m
Delta
Deal found 6/24![Delta logo]()
$366
This United Airlines deal was found by Cheapflights users on 6/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/212:55 pm
SJU
- AUS
1 stop7h 27m
United Airlines
Tue 10/279:36 am
AUS
- SJU
2 stops13h 00m
United Airlines
Deal found 6/25![United Airlines logo]()
$436
This Delta deal was found by Cheapflights users on 6/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/217:30 am
SJU
- AUS
1 stop7h 26m
Delta
Tue 10/271:40 pm
AUS
- SJU
1 stop7h 19m
Delta
Deal found 6/24![Delta logo]()
$386
This United Airlines deal was found by Cheapflights users on 6/21. 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.
Tue 10/61:00 am
SJU
- AUS
2 stops13h 18m
United Airlines
Sun 10/115:10 am
AUS
- SJU
1 stop9h 32m
United Airlines
Deal found 6/21![United Airlines logo]()
$436
This United Airlines deal was found by Cheapflights users on 6/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/47:00 am
SJU
- AUS
1 stop9h 21m
United Airlines
Sat 10/108:45 am
AUS
- SJU
2 stops14h 05m
United Airlines
Deal found 6/23![United Airlines logo]()
$436
Last-minute flights from San Juan to AustinDiscover last-minute flight deals from San Juan to Austin. Data last updated June 26, 2026 and is based on user searches.
Discover last-minute flight deals from San Juan to Austin. Data last updated June 26, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 6/24. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/73:10 am
SJU
- AUS
1 stop7h 22m
Frontier
Fri 7/1010:42 am
AUS
- SJU
1 stop10h 01m
Frontier
Deal found 6/24![Frontier logo]()
$436
This Trip.com deal was found by Cheapflights users on 6/26. 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.
Fri 7/103:10 am
SJU
- AUS
1 stop14h 28m
Frontier
Wed 7/2910:43 am
AUS
- SJU
1 stop20h 14m
Frontier
Deal found 6/26![Frontier logo]()
$431
This Frontier deal was found by Cheapflights users on 6/23. 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.
Tue 7/143:10 am
SJU
- AUS
1 stop7h 22m
Frontier
Wed 7/2210:43 am
AUS
- SJU
1 stop7h 59m
Frontier
Deal found 6/23![Frontier logo]()
$416
This Kiwi.com deal was found by Cheapflights users on 6/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/143:10 am
SJU
- AUS
1 stop7h 22m
Multiple Airlines
Mon 7/207:36 pm
AUS
- SJU
2 stops43h 29m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$443
This Kiwi.com deal was found by Cheapflights users on 6/22. 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.
Fri 7/173:10 am
SJU
- AUS
1 stop14h 28m
Frontier
Sat 7/251:33 pm
AUS
- SJU
2 stops47h 27m
Frontier
Deal found 6/22![Frontier logo]()
$423
This Kiwi.com deal was found by Cheapflights users on 6/24. 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.
Tue 7/213:10 am
SJU
- AUS
1 stop7h 22m
Frontier
Wed 7/291:33 pm
AUS
- SJU
2 stops47h 27m
Frontier
Deal found 6/24![Frontier logo]()
$445
This Priceline deal was found by Cheapflights users on 6/25. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/236:09 pm
SJU
- AUS
1 stop16h 23m
Frontier
Wed 7/2910:43 am
AUS
- SJU
1 stop20h 14m
Frontier
Deal found 6/25![Frontier logo]()
$396
This American Airlines deal was found by Cheapflights users on 6/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/237:25 am
SJU
- AUS
1 stop15h 52m
American Airlines
Wed 7/2910:45 am
AUS
- SJU
1 stop10h 14m
American Airlines
Deal found 6/23![American Airlines logo]()
$406
This United Airlines deal was found by Cheapflights users on 6/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/231:00 am
SJU
- AUS
1 stop9h 01m
United Airlines
Tue 7/287:44 pm
AUS
- SJU
1 stop8h 45m
United Airlines
Deal found 6/23![United Airlines logo]()
$428
This CheapOair deal was found by Cheapflights users on 6/24. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/288:37 pm
SJU
- AUS
1 stop13h 55m
Multiple Airlines
Tue 8/47:00 am
AUS
- SJU
1 stop11h 04m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$433
This Southwest deal was found by Cheapflights users on 6/26. 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 7/3110:20 pm
SJU
- AUS
1 stop12h 10m
Southwest
Wed 8/121:00 pm
AUS
- SJU
1 stop7h 05m
Southwest
Deal found 6/26![Southwest logo]()
$376
This Southwest deal was found by Cheapflights users on 6/26. 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 7/3110:20 pm
SJU
- AUS
1 stop12h 10m
Southwest
Tue 8/1112:55 pm
AUS
- SJU
2 stops8h 05m
Southwest
Deal found 6/26![Southwest logo]()
$386
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 June 26, 2026.
Search for one-way flight options from San Juan to Austin. Find affordable one-way fares based on user searches. Data last updated June 26, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/137:10 am
SJU
- AUS
2 stops54h 28m
Frontier
Deal found 6/25![Frontier logo]()
$178
This Kiwi.com deal was found by Cheapflights users on 6/23. 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.
Fri 9/48:34 am
SJU
- AUS
2 stops33h 05m
Frontier
Deal found 6/23![Frontier logo]()
$182
This Southwest deal was found by Cheapflights users on 6/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1310:00 am
SJU
- AUS
1 stop10h 15m
Southwest
Deal found 6/25![Southwest logo]()
$183
This Super.com deal was found by Cheapflights users on 6/23. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/143:10 am
SJU
- AUS
1 stop7h 22m
Frontier
Deal found 6/23![Frontier logo]()
$186
This Kiwi.com deal was found by Cheapflights users on 6/24. 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.
Tue 8/46:00 am
SJU
- AUS
2 stops31h 38m
Frontier
Deal found 6/24![Frontier logo]()
$187
This Frontier deal was found by Cheapflights users on 6/23. 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.
Tue 8/43:10 am
SJU
- AUS
1 stop7h 22m
Frontier
Deal found 6/23![Frontier logo]()
$188
This Kiwi.com deal was found by Cheapflights users on 6/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/246:35 am
SJU
- AUS
2 stops35h 04m
Frontier
Deal found 6/25![Frontier logo]()
$191
This Kiwi.com deal was found by Cheapflights users on 6/23. 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.
Thu 9/37:00 am
SJU
- AUS
2 stops26h 23m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$193
This Kiwi.com deal was found by Cheapflights users on 6/23. 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.
Sat 8/226:45 am
SJU
- AUS
2 stops52h 05m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$194
This Kiwi.com deal was found by Cheapflights users on 6/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/136:00 am
SJU
- AUS
2 stops34h 17m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$196
This Kiwi.com deal was found by Cheapflights users on 6/22. 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.
Mon 8/176:00 am
SJU
- AUS
2 stops35h 39m
Frontier
Deal found 6/22![Frontier logo]()
$197
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 June 26, 2026.
Round-trip from | $346 (Delta) |
|---|---|
One-way from | $178 (Kiwi.com) |
Popular in | May |
Cheapest in | January |
Average price | $486 |
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 June 26, 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 8/21
5:30 am-8:00 pm
2 stops15h 30m
Austin Bergstrom
Sun 8/30
2:35 pm-11:50 pm
1 stop8h 15m
$346
San JuanAustin
SJU - AUS
SJUAUS
San Juan Luis Munoz Marin Intl
Tue 10/6
5:43 pm-12:32 am
1 stop7h 49m
Austin Bergstrom
Tue 10/20
1:40 pm-9:59 pm
1 stop7h 19m
$346
San JuanAustin
SJU - AUS
SJUAUS
San Juan Luis Munoz Marin Intl
Thu 10/15
9:45 pm-10:45 am
1 stop14h 00m
Austin Bergstrom
Wed 10/21
2:40 pm-9:40 pm
1 stop6h 00m
$346
San JuanAustin
SJU - AUS
SJUAUS
San Juan Luis Munoz Marin Intl
Wed 10/14
7:30 am-4:01 pm
1 stop9h 31m
Austin Bergstrom
Mon 10/19
5:40 am-4:33 pm
1 stop9h 53m
$346
San JuanAustin
SJU - AUS
SJUAUS
San Juan Luis Munoz Marin Intl
Thu 8/20
7:00 am-1:12 pm
1 stop7h 12m
Austin Bergstrom
Thu 9/10
9:33 am-11:50 pm
2 stops13h 17m
$366
San JuanAustin
SJU - AUS
SJUAUS
San Juan Luis Munoz Marin Intl
Sat 12/19
2:10 pm-12:32 am
1 stop12h 22m
Austin Bergstrom
Sat 1/2
2:45 pm-11:20 pm
1 stop6h 35m
$366
Quickest round-trip
San JuanAustin
SJU - AUS
SJUAUS
San Juan Luis Munoz Marin Intl
Wed 10/21
7:30 am-1:56 pm
1 stop7h 26m
Austin Bergstrom
Tue 10/27
1:40 pm-9:59 pm
1 stop7h 19m
$386
San JuanAustin
SJU - AUS
SJUAUS
San Juan Luis Munoz Marin Intl
Wed 10/21
2:55 pm-9:22 pm
1 stop7h 27m
Austin Bergstrom
Tue 10/27
9:36 am-11:36 pm
2 stops13h 00m
$436
San JuanAustin
SJU - AUS
SJUAUS
San Juan Luis Munoz Marin Intl
Tue 10/6
1:00 am-1:18 pm
2 stops13h 18m
Austin Bergstrom
Sun 10/11
5:10 am-3:42 pm
1 stop9h 32m
$436
San JuanAustin
SJU - AUS
SJUAUS
San Juan Luis Munoz Marin Intl
Sun 10/4
7:00 am-3:21 pm
1 stop9h 21m
Austin Bergstrom
Sat 10/10
8:45 am-11:50 pm
2 stops14h 05m
$436
Showing 1-10 of 21 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
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 June is currently the most expensive (average of $203). 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 June 26, 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?
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 90 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.
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 June 26, 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.
Food
7.0
Overall
7.9
Boarding
8.1
Crew
8.6
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Food
7.0
Overall
7.9
Boarding
8.1
Crew
8.6
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Food
7.0
Overall
7.9
Boarding
8.1
Crew
8.6
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Food
7.0
Overall
7.9
Boarding
8.1
Crew
8.6
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Food
7.0
Overall
7.9
Boarding
8.1
Crew
8.6
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Food
7.0
Overall
7.9
Boarding
8.1
Crew
8.6
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
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 locationsRound Rock
Cedar Park
San Marcos
Bastrop
Fredericksburg
Pflugerville
Dripping Springs
Georgetown
Seguin
Canyon Lake
Browse thousands of different options on Cheapflights for your next trip
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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 June 26, 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 June 26, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 June 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$123 | Average$426 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$140 | Average$331 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$169 | Average$396 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$236 | Average$407 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$245 | Average$402 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$266 | Average$476 | FlexibilityNo cancel fee | On-time63% |