$117+ 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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — AUS
Apr 11 — Apr 181
Round-trip
1 adult, Economy
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Cheapest flights from San Juan to AustinExplore the most affordable flight options available from San Juan to Austin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 12, 2026.
Explore the most affordable flight options available from San Juan to Austin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 12, 2026.
This Travelocity deal was found by Cheapflights users on 3/8. 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 Travelocity 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
Multiple Airlines
Mon 4/277:12 pm
AUS
- SJU
1 stop13h 42m
Multiple Airlines
Deal found 3/8![Multiple Airlines logo]()
$223
This OneTravel deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/107:54 pm
SJU
- AUS
1 stop21h 10m
Spirit Airlines
Mon 4/136:12 am
AUS
- SJU
1 stop11h 43m
Spirit Airlines
Deal found 3/10![Spirit Airlines logo]()
$227
This Cheapflightsfares deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/312:55 pm
SJU
- AUS
1 stop12h 29m
Spirit Airlines
Sat 4/116:12 am
AUS
- SJU
1 stop11h 43m
Spirit Airlines
Deal found 3/10![Spirit Airlines logo]()
$229
This OneTravel deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/77:54 pm
SJU
- AUS
1 stop29h 30m
Spirit Airlines
Tue 4/146:12 am
AUS
- SJU
1 stop11h 43m
Spirit Airlines
Deal found 3/8![Spirit Airlines logo]()
$232
This Kiwi.com deal was found by Cheapflights users on 3/9. 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.
Fri 4/107:54 pm
SJU
- AUS
1 stop21h 10m
Multiple Airlines
Mon 4/207:12 pm
AUS
- SJU
1 stop13h 42m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$234
This CheapOair deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/17:54 pm
SJU
- AUS
1 stop29h 30m
Spirit Airlines
Mon 4/64:59 pm
AUS
- SJU
1 stop17h 50m
Spirit Airlines
Deal found 3/7![Spirit Airlines logo]()
$235
This American Airlines deal was found by Cheapflights users on 3/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/237:00 pm
SJU
- AUS
1 stop15h 49m
American Airlines
Mon 4/276:00 am
AUS
- SJU
1 stop7h 42m
American Airlines
Deal found 3/9![American Airlines logo]()
$236
This American Airlines deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/297:00 pm
SJU
- AUS
1 stop15h 49m
American Airlines
Tue 5/57:00 am
AUS
- SJU
1 stop10h 10m
American Airlines
Deal found 3/8![American Airlines logo]()
$237
This CheapOair deal was found by Cheapflights users on 3/8. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/97:54 pm
SJU
- AUS
1 stop21h 10m
Spirit Airlines
Tue 4/146:12 am
AUS
- SJU
1 stop11h 43m
Spirit Airlines
Deal found 3/8![Spirit Airlines logo]()
$240
This Priceline deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/293:19 pm
SJU
- AUS
1 stop27h 58m
Frontier
Sun 5/38:59 pm
AUS
- SJU
1 stop11h 55m
Frontier
Deal found 3/10![Frontier logo]()
$243
This Priceline deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/293:59 pm
SJU
- AUS
1 stop25h 22m
Frontier
Mon 6/15:16 pm
AUS
- SJU
1 stop7h 40m
Frontier
Deal found 3/7![Frontier logo]()
$244
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 March 12, 2026.
Discover carefully curated flight deals from San Juan to Austin that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 12, 2026.
This Delta deal was found by Cheapflights users on 3/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/2412:55 pm
SJU
- AUS
1 stop12h 22m
Delta
Mon 4/275:25 am
AUS
- SJU
1 stop9h 58m
Delta
Deal found 3/8![Delta logo]()
$236
This United Airlines deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/121:00 am
SJU
- AUS
1 stop9h 30m
United Airlines
Sun 5/1712:15 pm
AUS
- SJU
1 stop7h 23m
United Airlines
Deal found 3/7![United Airlines logo]()
$366
This Southwest deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/155:35 am
SJU
- AUS
2 stops14h 15m
Southwest
Wed 5/2012:55 pm
AUS
- SJU
2 stops9h 45m
Southwest
Deal found 3/10![Southwest logo]()
$430
This Delta deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/297:30 am
SJU
- AUS
1 stop10h 53m
Delta
Sun 5/310:55 am
AUS
- SJU
1 stop11h 18m
Delta
Deal found 3/7![Delta logo]()
$236
This Delta deal was found by Cheapflights users on 3/9. 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 4/166:15 am
SJU
- AUS
1 stop12h 08m
Delta
Mon 4/2012:31 pm
AUS
- SJU
1 stop9h 41m
Delta
Deal found 3/9![Delta logo]()
$236
This Delta deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/216:15 am
SJU
- AUS
1 stop12h 08m
Delta
Tue 4/288:25 am
AUS
- SJU
1 stop10h 59m
Delta
Deal found 3/7![Delta logo]()
$300
This United Airlines deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/162:05 am
SJU
- AUS
1 stop7h 34m
United Airlines
Sun 7/197:44 pm
AUS
- SJU
1 stop8h 45m
United Airlines
Deal found 3/7![United Airlines logo]()
$386
This Southwest deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/185:05 am
SJU
- AUS
1 stop7h 10m
Southwest
Mon 5/182:00 pm
AUS
- SJU
2 stops8h 55m
Southwest
Deal found 3/10![Southwest logo]()
$444
This United Airlines deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 stops16h 16m
United Airlines
Sun 5/37:25 am
AUS
- SJU
1 stop7h 17m
United Airlines
Deal found 3/7![United Airlines logo]()
$454
This Southwest deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/58:10 am
SJU
- AUS
2 stops11h 15m
Southwest
Thu 5/142:15 pm
AUS
- SJU
2 stops8h 40m
Southwest
Deal found 3/10![Southwest logo]()
$478
This United Airlines deal was found by Cheapflights users on 3/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/201:00 am
SJU
- AUS
1 stop9h 34m
United Airlines
Tue 4/289:35 am
AUS
- SJU
2 stops13h 15m
United Airlines
Deal found 3/11![United Airlines logo]()
$474
Last-minute flights from San Juan to AustinDiscover last-minute flight deals from San Juan to Austin. Data last updated March 12, 2026 and is based on user searches.
Discover last-minute flight deals from San Juan to Austin. Data last updated March 12, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/17:54 pm
SJU
- AUS
1 stop29h 30m
Spirit Airlines
Mon 4/64:59 pm
AUS
- SJU
1 stop17h 50m
Spirit Airlines
Deal found 3/7![Spirit Airlines logo]()
$235
This CheapOair deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/27:54 pm
SJU
- AUS
1 stop21h 10m
Spirit Airlines
Mon 4/64:59 pm
AUS
- SJU
1 stop17h 50m
Spirit Airlines
Deal found 3/7![Spirit Airlines logo]()
$247
This Cheapflightsfares deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/312:55 pm
SJU
- AUS
1 stop12h 29m
Spirit Airlines
Sat 4/116:12 am
AUS
- SJU
1 stop11h 43m
Spirit Airlines
Deal found 3/10![Spirit Airlines logo]()
$229
This OneTravel deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/77:54 pm
SJU
- AUS
1 stop29h 30m
Spirit Airlines
Tue 4/146:12 am
AUS
- SJU
1 stop11h 43m
Spirit Airlines
Deal found 3/8![Spirit Airlines logo]()
$232
This CheapOair deal was found by Cheapflights users on 3/8. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/97:54 pm
SJU
- AUS
1 stop21h 10m
Spirit Airlines
Tue 4/146:12 am
AUS
- SJU
1 stop11h 43m
Spirit Airlines
Deal found 3/8![Spirit Airlines logo]()
$240
This OneTravel deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/107:54 pm
SJU
- AUS
1 stop21h 10m
Spirit Airlines
Mon 4/136:12 am
AUS
- SJU
1 stop11h 43m
Spirit Airlines
Deal found 3/10![Spirit Airlines logo]()
$227
This Kiwi.com deal was found by Cheapflights users on 3/9. 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.
Fri 4/107:54 pm
SJU
- AUS
1 stop21h 10m
Multiple Airlines
Mon 4/207:12 pm
AUS
- SJU
1 stop13h 42m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$234
This Travelocity deal was found by Cheapflights users on 3/8. 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 Travelocity 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
Multiple Airlines
Mon 4/277:12 pm
AUS
- SJU
1 stop13h 42m
Multiple Airlines
Deal found 3/8![Multiple Airlines logo]()
$223
This American Airlines deal was found by Cheapflights users on 3/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/237:00 pm
SJU
- AUS
1 stop15h 49m
American Airlines
Mon 4/276:00 am
AUS
- SJU
1 stop7h 42m
American Airlines
Deal found 3/9![American Airlines logo]()
$236
This American Airlines deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2911:43 am
SJU
- AUS
1 stop10h 21m
American Airlines
Mon 5/43:44 pm
AUS
- SJU
1 stop11h 48m
American Airlines
Deal found 3/8![American Airlines logo]()
$237
This Priceline deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/293:19 pm
SJU
- AUS
1 stop27h 58m
Frontier
Sun 5/38:59 pm
AUS
- SJU
1 stop11h 55m
Frontier
Deal found 3/10![Frontier 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 March 12, 2026.
Search for one-way flight options from San Juan to Austin. Find affordable one-way fares based on user searches. Data last updated March 12, 2026.
This Expedia deal was found by Cheapflights users on 3/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/123:33 pm
SJU
- AUS
1 stop20h 02m
Frontier
Deal found 3/11![Frontier logo]()
$117
This Delta deal was found by Cheapflights users on 3/9. 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.
Wed 5/612:55 pm
SJU
- AUS
1 stop12h 22m
Delta
Deal found 3/9![Delta logo]()
$118
This American Airlines deal was found by Cheapflights users on 3/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1710:03 am
SJU
- AUS
1 stop14h 56m
American Airlines
Deal found 3/9![American Airlines logo]()
$119
This Cheapflightsfares deal was found by Cheapflights users on 3/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/312:55 pm
SJU
- AUS
1 stop12h 29m
Spirit Airlines
Deal found 3/11![Spirit Airlines logo]()
$120
This Kiwi.com deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2312:57 pm
SJU
- AUS
1 stop11h 43m
Spirit Airlines
Deal found 3/10![Spirit Airlines logo]()
$121
This Priceline deal was found by Cheapflights users on 3/9. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/196:30 am
SJU
- AUS
1 stop13h 55m
Frontier
Deal found 3/9![Frontier logo]()
$122
This OneTravel deal was found by Cheapflights users on 3/9. 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 OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/87:54 pm
SJU
- AUS
1 stop21h 10m
Spirit Airlines
Deal found 3/9![Spirit Airlines logo]()
$123
This CheapOair deal was found by Cheapflights users on 3/9. 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.
Tue 4/77:54 pm
SJU
- AUS
1 stop21h 10m
Spirit Airlines
Deal found 3/9![Spirit Airlines logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 3/9. 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.
Wed 4/17:54 pm
SJU
- AUS
1 stop29h 30m
Spirit Airlines
Deal found 3/9![Spirit Airlines logo]()
$126
This United Airlines deal was found by Cheapflights users on 3/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/211:00 am
SJU
- AUS
2 stops12h 35m
United Airlines
Deal found 3/10![United Airlines logo]()
$128
This Frontier deal was found by Cheapflights users on 3/12. 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 Frontier 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
Deal found 3/12![Frontier logo]()
$132
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 March 12, 2026.
Round-trip from | $222 (Cheapflightsfares) |
|---|---|
One-way from | $117 (Expedia) |
Popular in | March |
Cheapest in | January |
Average price | $464 |
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 March 12, 2026.
Use the filters below to find and compare flights from San Juan to Austin that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San JuanAustin
SJU - AUS
SJUAUS
San Juan Luis Munoz Marin Intl
Fri 4/24
12:55 pm-12:17 am
1 stop12h 22m
Austin Bergstrom
Mon 4/27
5:25 am-4:23 pm
1 stop9h 58m
$236
San JuanAustin
SJU - AUS
SJUAUS
San Juan Luis Munoz Marin Intl
Wed 4/29
7:30 am-5:23 pm
1 stop10h 53m
Austin Bergstrom
Sun 5/3
10:55 am-11:13 pm
1 stop11h 18m
$236
San JuanAustin
SJU - AUS
SJUAUS
San Juan Luis Munoz Marin Intl
Thu 4/16
6:15 am-5:23 pm
1 stop12h 08m
Austin Bergstrom
Mon 4/20
12:31 pm-11:12 pm
1 stop9h 41m
$236
San JuanAustin
SJU - AUS
SJUAUS
San Juan Luis Munoz Marin Intl
Tue 4/21
6:15 am-5:23 pm
1 stop12h 08m
Austin Bergstrom
Tue 4/28
8:25 am-8:24 pm
1 stop10h 59m
$300
San JuanAustin
SJU - AUS
SJUAUS
San Juan Luis Munoz Marin Intl
Tue 5/12
1:00 am-9:30 am
1 stop9h 30m
Austin Bergstrom
Sun 5/17
12:15 pm-8:38 pm
1 stop7h 23m
$366
San JuanAustin
SJU - AUS
SJUAUS
San Juan Luis Munoz Marin Intl
Thu 7/16
2:05 am-8:39 am
1 stop7h 34m
Austin Bergstrom
Sun 7/19
7:44 pm-5:29 am
1 stop8h 45m
$386
San JuanAustin
SJU - AUS
SJUAUS
San Juan Luis Munoz Marin Intl
Fri 5/15
5:35 am-6:50 pm
2 stops14h 15m
Austin Bergstrom
Wed 5/20
12:55 pm-11:40 pm
2 stops9h 45m
$430
Quickest round-trip
San JuanAustin
SJU - AUS
SJUAUS
San Juan Luis Munoz Marin Intl
Mon 5/18
5:05 am-11:15 am
1 stop7h 10m
Austin Bergstrom
Mon 5/18
2:00 pm-11:55 pm
2 stops8h 55m
$444
San JuanAustin
SJU - AUS
SJUAUS
San Juan Luis Munoz Marin Intl
Tue 4/28
1:00 am-4:16 pm
2 stops16h 16m
Austin Bergstrom
Sun 5/3
7:25 am-3:42 pm
1 stop7h 17m
$454
San JuanAustin
SJU - AUS
SJUAUS
San Juan Luis Munoz Marin Intl
Mon 4/20
1:00 am-9:34 am
1 stop9h 34m
Austin Bergstrom
Tue 4/28
9:35 am-11:50 pm
2 stops13h 15m
$474
Showing 1-10 of 22 resultsSorted by cheapest first
Best time to book a flight from San Juan to Austin
Have a flexible travel schedule? Discover the best time to fly to Austin from San Juan with our price prediction graph.
PR1-AUS
SJU-AUS
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from San Juan to Austin
PR1-AUS
SJU-AUS
How far ahead should I book a flight from San Juan to Austin?
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 March 6, 2026.
To ensure you get the cheapest price possible for a flight from San Juan to Austin, you should look to book at least 72 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 February is currently the most expensive (average of $197). 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 March 12, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from San Juan to Austin as you normally would.
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 March 12, 2026.
See what other customers who have flown with Southwest,Delta, andUnited Airlines from San Juan to Austin have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.0
Crew
8.6
Food
7.0
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Overall
8.0
Crew
8.6
Food
7.0
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Overall
8.0
Crew
8.6
Food
7.0
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Overall
8.0
Crew
8.6
Food
7.0
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Overall
8.0
Crew
8.6
Food
7.0
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Overall
8.0
Crew
8.6
Food
7.0
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
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
San Marcos
Fredericksburg
Round Rock
Georgetown
Bastrop
Pflugerville
Dripping Springs
Canyon Lake
Seguin
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 March 12, 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 March 12, 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 March 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$56 | Average$198 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$122 | Average$404 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$133 | Average$308 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$169 | Average$395 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$236 | Average$338 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$245 | Average$394 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$266 | Average$487 | FlexibilityNo cancel fee | On-time63% |