$131+ 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 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — AUS
May 13 — May 201
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 April 13, 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 13, 2026.
This Expedia deal was found by Cheapflights users on 4/10. 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.
Thu 5/76:09 pm
SJU
- AUS
1 stop17h 36m
Multiple Airlines
Tue 5/1210:26 am
AUS
- SJU
1 stop11h 16m
Multiple Airlines
Deal found 4/10![Multiple Airlines logo]()
$243
This Mytrip deal was found by Cheapflights users on 4/9. 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.
Thu 4/2311:02 am
SJU
- AUS
2 stops13h 38m
Spirit Airlines
Mon 4/276:00 am
AUS
- SJU
1 stop12h 22m
Spirit Airlines
Deal found 4/9![Spirit Airlines logo]()
$256
This CheapOair deal was found by Cheapflights users on 4/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2312:57 pm
SJU
- AUS
1 stop11h 43m
Spirit Airlines
Sat 5/27:16 pm
AUS
- SJU
1 stop13h 29m
Spirit Airlines
Deal found 4/9![Spirit Airlines logo]()
$259
This Mytrip deal was found by Cheapflights users on 4/13. 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.
Thu 4/309:54 am
SJU
- AUS
2 stops14h 46m
Spirit Airlines
Sat 5/910:26 am
AUS
- SJU
1 stop11h 16m
Spirit Airlines
Deal found 4/13![Spirit Airlines logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 4/10. 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.
Tue 5/58:30 am
SJU
- AUS
2 stops12h 48m
Multiple Airlines
Mon 5/1110:26 am
AUS
- SJU
1 stop11h 16m
Multiple Airlines
Deal found 4/10![Multiple Airlines logo]()
$279
This Kiwi.com deal was found by Cheapflights users on 4/13. 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 4/309:54 am
SJU
- AUS
2 stops14h 46m
Multiple Airlines
Mon 5/41:10 pm
AUS
- SJU
1 stop32h 11m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$280
This Frontier deal was found by Cheapflights users on 4/10. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/311:39 am
SJU
- AUS
1 stop9h 25m
Frontier
Sat 5/1611:30 am
AUS
- SJU
1 stop10h 13m
Frontier
Deal found 4/10![Frontier logo]()
$281
This Kiwi.com deal was found by Cheapflights users on 4/13. 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 4/206:00 am
SJU
- AUS
1 stop18h 40m
Multiple Airlines
Mon 4/276:00 am
AUS
- SJU
1 stop12h 22m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$284
This Trip.com deal was found by Cheapflights users on 4/8. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/116:00 am
SJU
- AUS
1 stop19h 42m
Multiple Airlines
Sun 4/196:00 am
AUS
- SJU
1 stop12h 22m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$286
This Kiwi.com deal was found by Cheapflights users on 4/13. 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 4/2311:02 am
SJU
- AUS
2 stops13h 38m
Multiple Airlines
Sun 4/266:00 am
AUS
- SJU
1 stop29h 33m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$287
This CheapOair deal was found by Cheapflights users on 4/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/16:36 pm
SJU
- AUS
2 stops30h 04m
Spirit Airlines
Thu 5/710:26 am
AUS
- SJU
1 stop11h 16m
Spirit Airlines
Deal found 4/9![Spirit Airlines logo]()
$288
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 13, 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 13, 2026.
This Delta deal was found by Cheapflights users on 4/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/307:30 am
SJU
- AUS
1 stop10h 03m
Delta
Tue 6/95:30 am
AUS
- SJU
1 stop7h 01m
Delta
Deal found 4/11![Delta logo]()
$356
This Southwest deal was found by Cheapflights users on 4/8. 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.
Fri 7/1710:20 pm
SJU
- AUS
1 stop12h 10m
Southwest
Tue 7/215:00 pm
AUS
- SJU
1 stop6h 15m
Southwest
Deal found 4/8![Southwest logo]()
$416
This United Airlines deal was found by Cheapflights users on 4/8. 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.
Thu 5/77:00 am
SJU
- AUS
1 stop9h 24m
United Airlines
Sat 5/97:00 am
AUS
- SJU
2 stops15h 50m
United Airlines
Deal found 4/8![United Airlines logo]()
$446
This eDestinos deal was found by Cheapflights users on 4/8. 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.
Thu 7/26:16 pm
SJU
- AUS
1 stop16h 36m
Frontier
Sun 7/125:49 pm
AUS
- SJU
2 stops31h 05m
Frontier
Deal found 4/8![Frontier logo]()
$512
This Delta deal was found by Cheapflights users on 4/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/157:30 am
SJU
- AUS
1 stop9h 20m
Delta
Wed 7/2210:35 am
AUS
- SJU
1 stop10h 54m
Delta
Deal found 4/11![Delta logo]()
$356
This Delta deal was found by Cheapflights users on 4/13. 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 5/145:43 pm
SJU
- AUS
1 stop7h 48m
Delta
Mon 5/188:20 am
AUS
- SJU
1 stop11h 10m
Delta
Deal found 4/13![Delta logo]()
$356
This Delta deal was found by Cheapflights users on 4/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/31:06 pm
SJU
- AUS
1 stop12h 13m
Delta
Mon 9/76:45 am
AUS
- SJU
1 stop8h 50m
Delta
Deal found 4/9![Delta logo]()
$356
This Southwest deal was found by Cheapflights users on 4/8. 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 7/210:20 pm
SJU
- AUS
1 stop12h 10m
Southwest
Mon 7/1311:40 am
AUS
- SJU
2 stops11h 35m
Southwest
Deal found 4/8![Southwest logo]()
$471
This United Airlines deal was found by Cheapflights users on 4/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/161:00 am
SJU
- AUS
1 stop9h 02m
United Airlines
Sun 7/197:44 pm
AUS
- SJU
1 stop8h 45m
United Airlines
Deal found 4/12![United Airlines logo]()
$476
This Southwest deal was found by Cheapflights users on 4/8. 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.
Fri 7/35:00 am
SJU
- AUS
2 stops9h 40m
Southwest
Tue 7/142:40 pm
AUS
- SJU
2 stops8h 35m
Southwest
Deal found 4/8![Southwest logo]()
$478
This Delta deal was found by Cheapflights users on 4/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/245:56 pm
SJU
- AUS
1 stop7h 22m
Delta
Sun 7/261:22 pm
AUS
- SJU
1 stop8h 07m
Delta
Deal found 4/9![Delta logo]()
$436
Last-minute flights from San Juan to AustinDiscover last-minute flight deals from San Juan to Austin. Data last updated April 13, 2026 and is based on user searches.
Discover last-minute flight deals from San Juan to Austin. Data last updated April 13, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 4/13. 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 4/206:00 am
SJU
- AUS
1 stop18h 40m
Multiple Airlines
Mon 4/276:00 am
AUS
- SJU
1 stop12h 22m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$284
This Mytrip deal was found by Cheapflights users on 4/9. 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.
Thu 4/2311:02 am
SJU
- AUS
2 stops13h 38m
Spirit Airlines
Mon 4/276:00 am
AUS
- SJU
1 stop12h 22m
Spirit Airlines
Deal found 4/9![Spirit Airlines logo]()
$256
This CheapOair deal was found by Cheapflights users on 4/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2312:57 pm
SJU
- AUS
1 stop11h 43m
Spirit Airlines
Sat 5/27:16 pm
AUS
- SJU
1 stop13h 29m
Spirit Airlines
Deal found 4/9![Spirit Airlines logo]()
$259
This Kiwi.com deal was found by Cheapflights users on 4/13. 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 4/2311:02 am
SJU
- AUS
2 stops13h 38m
Multiple Airlines
Sun 4/266:00 am
AUS
- SJU
1 stop29h 33m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$287
This Mytrip deal was found by Cheapflights users on 4/13. 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.
Thu 4/309:54 am
SJU
- AUS
2 stops14h 46m
Spirit Airlines
Sat 5/910:26 am
AUS
- SJU
1 stop11h 16m
Spirit Airlines
Deal found 4/13![Spirit Airlines logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 4/13. 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 4/309:54 am
SJU
- AUS
2 stops14h 46m
Multiple Airlines
Mon 5/41:10 pm
AUS
- SJU
1 stop32h 11m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$280
This CheapOair deal was found by Cheapflights users on 4/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/16:36 pm
SJU
- AUS
2 stops30h 04m
Spirit Airlines
Thu 5/710:26 am
AUS
- SJU
1 stop11h 16m
Spirit Airlines
Deal found 4/9![Spirit Airlines logo]()
$288
This Frontier deal was found by Cheapflights users on 4/10. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/311:39 am
SJU
- AUS
1 stop9h 25m
Frontier
Sat 5/1611:30 am
AUS
- SJU
1 stop10h 13m
Frontier
Deal found 4/10![Frontier logo]()
$281
This Kiwi.com deal was found by Cheapflights users on 4/10. 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.
Tue 5/58:30 am
SJU
- AUS
2 stops12h 48m
Multiple Airlines
Mon 5/1110:26 am
AUS
- SJU
1 stop11h 16m
Multiple Airlines
Deal found 4/10![Multiple Airlines logo]()
$279
This Expedia deal was found by Cheapflights users on 4/10. 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.
Thu 5/76:09 pm
SJU
- AUS
1 stop17h 36m
Multiple Airlines
Tue 5/1210:26 am
AUS
- SJU
1 stop11h 16m
Multiple Airlines
Deal found 4/10![Multiple Airlines logo]()
$243
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 13, 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 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/11. 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.
Thu 5/77:00 am
SJU
- AUS
2 stops14h 18m
Frontier
Deal found 4/11![Frontier logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 4/10. 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.
Fri 5/156:30 am
SJU
- AUS
2 stops38h 48m
Frontier
Deal found 4/10![Frontier logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 4/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/113:03 am
SJU
- AUS
2 stops35h 05m
Frontier
Deal found 4/8![Frontier logo]()
$139
This Kiwi.com deal was found by Cheapflights users on 4/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/116:41 pm
SJU
- AUS
2 stops23h 11m
Frontier
Deal found 4/8![Frontier logo]()
$140
This Mytrip deal was found by Cheapflights users on 4/13. 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.
Wed 4/293:21 am
SJU
- AUS
3 stops21h 19m
Spirit Airlines
Deal found 4/13![Spirit Airlines logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 4/11. 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 6/86:41 pm
SJU
- AUS
2 stops43h 04m
Frontier
Deal found 4/11![Frontier logo]()
$143
This CheapOair deal was found by Cheapflights users on 4/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/216:00 am
SJU
- AUS
1 stop28h 52m
Frontier
Deal found 4/9![Frontier logo]()
$144
This Kiwi.com deal was found by Cheapflights users on 4/10. 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.
Sat 5/96:30 am
SJU
- AUS
2 stops38h 48m
Frontier
Deal found 4/10![Frontier logo]()
$145
This Cheapflightsfares deal was found by Cheapflights users on 4/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/112:59 am
SJU
- AUS
1 stop9h 32m
Spirit Airlines
Deal found 4/9![Spirit Airlines logo]()
$146
This Cheapflightsfares deal was found by Cheapflights users on 4/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/912:59 am
SJU
- AUS
1 stop9h 32m
Spirit Airlines
Deal found 4/9![Spirit Airlines logo]()
$147
This Kiwi.com deal was found by Cheapflights users on 4/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/95:15 pm
SJU
- AUS
2 stops20h 30m
Frontier
Deal found 4/9![Frontier logo]()
$151
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 13, 2026.
Round-trip from | $243 (Expedia) |
|---|---|
One-way from | $131 (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 13, 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
Sat 5/30
7:30 am-4:33 pm
1 stop10h 03m
Austin Bergstrom
Tue 6/9
5:30 am-1:31 pm
1 stop7h 01m
$356
San JuanAustin
SJU - AUS
SJUAUS
San Juan Luis Munoz Marin Intl
Wed 7/15
7:30 am-3:50 pm
1 stop9h 20m
Austin Bergstrom
Wed 7/22
10:35 am-10:29 pm
1 stop10h 54m
$356
San JuanAustin
SJU - AUS
SJUAUS
San Juan Luis Munoz Marin Intl
Thu 5/14
5:43 pm-12:31 am
1 stop7h 48m
Austin Bergstrom
Mon 5/18
8:20 am-8:30 pm
1 stop11h 10m
$356
San JuanAustin
SJU - AUS
SJUAUS
San Juan Luis Munoz Marin Intl
Thu 9/3
1:06 pm-12:19 am
1 stop12h 13m
Austin Bergstrom
Mon 9/7
6:45 am-4:35 pm
1 stop8h 50m
$356
San JuanAustin
SJU - AUS
SJUAUS
San Juan Luis Munoz Marin Intl
Fri 7/17
10:20 pm-9:30 am
1 stop12h 10m
Austin Bergstrom
Tue 7/21
5:00 pm-12:15 am
1 stop6h 15m
$416
Quickest round-trip
San JuanAustin
SJU - AUS
SJUAUS
San Juan Luis Munoz Marin Intl
Fri 7/24
5:56 pm-12:18 am
1 stop7h 22m
Austin Bergstrom
Sun 7/26
1:22 pm-10:29 pm
1 stop8h 07m
$436
San JuanAustin
SJU - AUS
SJUAUS
San Juan Luis Munoz Marin Intl
Thu 5/7
7:00 am-3:24 pm
1 stop9h 24m
Austin Bergstrom
Sat 5/9
7:00 am-11:50 pm
2 stops15h 50m
$446
San JuanAustin
SJU - AUS
SJUAUS
San Juan Luis Munoz Marin Intl
Thu 7/2
10:20 pm-9:30 am
1 stop12h 10m
Austin Bergstrom
Mon 7/13
11:40 am-12:15 am
2 stops11h 35m
$471
San JuanAustin
SJU - AUS
SJUAUS
San Juan Luis Munoz Marin Intl
Thu 7/16
1:00 am-9:02 am
1 stop9h 02m
Austin Bergstrom
Sun 7/19
7:44 pm-5:29 am
1 stop8h 45m
$476
San JuanAustin
SJU - AUS
SJUAUS
San Juan Luis Munoz Marin Intl
Fri 7/3
5:00 am-1:40 pm
2 stops9h 40m
Austin Bergstrom
Tue 7/14
2:40 pm-12:15 am
2 stops8h 35m
$478
Showing 1-10 of 19 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?
Use this chart to determine the optimal time to book a round-trip flight from San Juan to Austin. Price data was last updated on April 10, 2026.
To ensure you get the cheapest price possible for a flight from San Juan to Austin, you should look to book at least 68 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from San Juan to Austin?
Currently, January is the cheapest month in which you can book a flight from San Juan to Austin (average of $71). Flying from San Juan to Austin in March is currently the most expensive (average of $238). 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 13, 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 13, 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
Food
7.0
Overall
8.0
Entertainment
7.5
Crew
8.6
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Food
7.0
Overall
8.0
Entertainment
7.5
Crew
8.6
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Food
7.0
Overall
8.0
Entertainment
7.5
Crew
8.6
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Food
7.0
Overall
8.0
Entertainment
7.5
Crew
8.6
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Food
7.0
Overall
8.0
Entertainment
7.5
Crew
8.6
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Food
7.0
Overall
8.0
Entertainment
7.5
Crew
8.6
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
Fredericksburg
Pflugerville
Georgetown
Bastrop
Dripping Springs
Seguin
Canyon Lake
Horseshoe Bay
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for San Juan to Austin
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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 April 13, 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 13, 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 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$56 | Average$198 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$122 | Average$395 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$133 | Average$299 | 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$396 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$266 | Average$476 | FlexibilityNo cancel fee | On-time63% |