$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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — AUS
Aug 10 — Aug 171
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 July 11, 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 July 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/10. 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 8/113:10 am
SJU
- AUS
1 stop7h 22m
Frontier
Tue 8/255:37 pm
AUS
- SJU
2 stops30h 19m
Frontier
Deal found 7/10![Frontier logo]()
$260
This Kiwi.com deal was found by Cheapflights users on 7/10. 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 8/143:10 am
SJU
- AUS
1 stop14h 28m
Frontier
Tue 8/255:37 pm
AUS
- SJU
2 stops30h 19m
Frontier
Deal found 7/10![Frontier logo]()
$265
This Kiwi.com deal was found by Cheapflights users on 7/10. 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 8/113:10 am
SJU
- AUS
1 stop7h 22m
Frontier
Sat 8/225:37 pm
AUS
- SJU
2 stops29h 57m
Frontier
Deal found 7/10![Frontier logo]()
$274
This Kiwi.com deal was found by Cheapflights users on 7/8. 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.
Tue 8/183:10 am
SJU
- AUS
1 stop8h 00m
Frontier
Sat 8/225:37 pm
AUS
- SJU
2 stops29h 57m
Frontier
Deal found 7/8![Frontier logo]()
$277
This Kiwi.com deal was found by Cheapflights users on 7/9. 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 8/125:22 pm
SJU
- AUS
2 stops24h 17m
Frontier
Wed 8/1910:55 am
AUS
- SJU
1 stop7h 57m
Frontier
Deal found 7/9![Frontier logo]()
$279
This Kiwi.com deal was found by Cheapflights users on 7/10. 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 8/113:10 am
SJU
- AUS
1 stop7h 22m
Frontier
Mon 8/2410:55 am
AUS
- SJU
1 stop23h 11m
Frontier
Deal found 7/10![Frontier logo]()
$281
This Kiwi.com deal was found by Cheapflights users on 7/10. 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 8/113:10 am
SJU
- AUS
1 stop7h 22m
Frontier
Fri 8/218:15 pm
AUS
- SJU
2 stops27h 41m
Frontier
Deal found 7/10![Frontier logo]()
$286
This Kiwi.com deal was found by Cheapflights users on 7/11. 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.
Fri 8/288:57 pm
SJU
- AUS
1 stop20h 41m
Frontier
Mon 8/3110:55 am
AUS
- SJU
1 stop23h 11m
Frontier
Deal found 7/11![Frontier logo]()
$289
This Kiwi.com deal was found by Cheapflights users on 7/10. 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 8/215:37 pm
SJU
- AUS
2 stops24h 02m
Frontier
Mon 8/2410:55 am
AUS
- SJU
1 stop7h 57m
Frontier
Deal found 7/10![Frontier logo]()
$294
This Kiwi.com deal was found by Cheapflights users on 7/10. 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 8/143:10 am
SJU
- AUS
1 stop14h 28m
Frontier
Sat 8/225:23 pm
AUS
- SJU
1 stop7h 52m
Frontier
Deal found 7/10![Frontier logo]()
$296
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 July 11, 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 July 11, 2026.
This Delta deal was found by Cheapflights users on 7/6. 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 12/173:35 pm
SJU
- AUS
1 stop8h 44m
Delta
Sat 1/22:45 pm
AUS
- SJU
1 stop6h 35m
Delta
Deal found 7/6![Delta logo]()
$366
This Southwest deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/286:30 am
SJU
- AUS
2 stops8h 35m
Southwest
Mon 8/311:40 pm
AUS
- SJU
2 stops9h 10m
Southwest
Deal found 7/11![Southwest logo]()
$366
This United Airlines deal was found by Cheapflights users on 7/11. 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.
Tue 10/201:00 am
SJU
- AUS
2 stops13h 18m
United Airlines
Tue 10/277:00 am
AUS
- SJU
1 stop7h 36m
United Airlines
Deal found 7/11![United Airlines logo]()
$456
This Delta deal was found by Cheapflights users on 7/7. 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.
Fri 8/212:59 pm
SJU
- AUS
1 stop10h 19m
Delta
Sat 8/298:15 am
AUS
- SJU
1 stop7h 23m
Delta
Deal found 7/7![Delta logo]()
$366
This Southwest deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/65:00 am
SJU
- AUS
2 stops10h 05m
Southwest
Sat 8/89:45 am
AUS
- SJU
1 stop7h 20m
Southwest
Deal found 7/7![Southwest logo]()
$366
This Southwest deal was found by Cheapflights users on 7/10. 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 8/216:00 am
SJU
- AUS
2 stops8h 55m
Southwest
Mon 8/241:40 pm
AUS
- SJU
2 stops9h 10m
Southwest
Deal found 7/10![Southwest logo]()
$396
This United Airlines deal was found by Cheapflights users on 7/10. 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.
Thu 8/201:00 am
SJU
- AUS
1 stop9h 26m
United Airlines
Fri 9/119:33 am
AUS
- SJU
2 stops13h 17m
United Airlines
Deal found 7/10![United Airlines logo]()
$456
This Southwest deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2210:50 pm
SJU
- AUS
1 stop10h 50m
Southwest
Fri 10/233:55 pm
AUS
- SJU
2 stops8h 25m
Southwest
Deal found 7/11![Southwest logo]()
$401
This United Airlines deal was found by Cheapflights users on 7/10. 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.
Fri 11/62:05 am
SJU
- AUS
2 stops14h 38m
United Airlines
Sat 11/149:36 am
AUS
- SJU
2 stops13h 00m
United Airlines
Deal found 7/10![United Airlines logo]()
$456
This United Airlines deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/181:00 am
SJU
- AUS
2 stops13h 58m
United Airlines
Sat 8/229:00 am
AUS
- SJU
2 stops13h 50m
United Airlines
Deal found 7/9![United Airlines logo]()
$456
This United Airlines deal was found by Cheapflights users on 7/10. 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.
Wed 9/167:00 am
SJU
- AUS
1 stop9h 26m
United Airlines
Sun 9/207:00 am
AUS
- SJU
1 stop7h 42m
United Airlines
Deal found 7/10![United Airlines logo]()
$456
Last-minute flights from San Juan to AustinDiscover last-minute flight deals from San Juan to Austin. Data last updated July 11, 2026 and is based on user searches.
Discover last-minute flight deals from San Juan to Austin. Data last updated July 11, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/10. 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 8/113:10 am
SJU
- AUS
1 stop7h 22m
Frontier
Tue 8/255:37 pm
AUS
- SJU
2 stops30h 19m
Frontier
Deal found 7/10![Frontier logo]()
$260
This Kiwi.com deal was found by Cheapflights users on 7/10. 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 8/113:10 am
SJU
- AUS
1 stop7h 22m
Frontier
Sat 8/225:37 pm
AUS
- SJU
2 stops29h 57m
Frontier
Deal found 7/10![Frontier logo]()
$274
This Kiwi.com deal was found by Cheapflights users on 7/10. 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 8/113:10 am
SJU
- AUS
1 stop7h 22m
Frontier
Mon 8/2410:55 am
AUS
- SJU
1 stop23h 11m
Frontier
Deal found 7/10![Frontier logo]()
$281
This Kiwi.com deal was found by Cheapflights users on 7/10. 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 8/113:10 am
SJU
- AUS
1 stop7h 22m
Frontier
Fri 8/218:15 pm
AUS
- SJU
2 stops27h 41m
Frontier
Deal found 7/10![Frontier logo]()
$286
This Kiwi.com deal was found by Cheapflights users on 7/9. 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 8/125:22 pm
SJU
- AUS
2 stops24h 17m
Frontier
Wed 8/1910:55 am
AUS
- SJU
1 stop7h 57m
Frontier
Deal found 7/9![Frontier logo]()
$279
This Kiwi.com deal was found by Cheapflights users on 7/10. 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 8/143:10 am
SJU
- AUS
1 stop14h 28m
Frontier
Tue 8/255:37 pm
AUS
- SJU
2 stops30h 19m
Frontier
Deal found 7/10![Frontier logo]()
$265
This Kiwi.com deal was found by Cheapflights users on 7/10. 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 8/143:10 am
SJU
- AUS
1 stop14h 28m
Frontier
Sat 8/225:23 pm
AUS
- SJU
1 stop7h 52m
Frontier
Deal found 7/10![Frontier logo]()
$296
This Kiwi.com deal was found by Cheapflights users on 7/8. 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.
Tue 8/183:10 am
SJU
- AUS
1 stop8h 00m
Frontier
Sat 8/225:37 pm
AUS
- SJU
2 stops29h 57m
Frontier
Deal found 7/8![Frontier logo]()
$277
This Kiwi.com deal was found by Cheapflights users on 7/10. 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 8/215:37 pm
SJU
- AUS
2 stops24h 02m
Frontier
Mon 8/2410:55 am
AUS
- SJU
1 stop7h 57m
Frontier
Deal found 7/10![Frontier logo]()
$294
This Kiwi.com deal was found by Cheapflights users on 7/11. 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.
Fri 8/288:57 pm
SJU
- AUS
1 stop20h 41m
Frontier
Mon 8/3110:55 am
AUS
- SJU
1 stop23h 11m
Frontier
Deal found 7/11![Frontier logo]()
$289
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 July 11, 2026.
Search for one-way flight options from San Juan to Austin. Find affordable one-way fares based on user searches. Data last updated July 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/8. 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.
Thu 9/36:35 am
SJU
- AUS
2 stops35h 04m
Frontier
Deal found 7/8![Frontier logo]()
$178
This Kiwi.com deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/195:25 pm
SJU
- AUS
1 stop24h 14m
Frontier
Deal found 7/7![Frontier logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/35:12 pm
SJU
- AUS
2 stops46h 48m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$181
This Cheapflightsfares deal was found by Cheapflights users on 7/8. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:25 am
SJU
- AUS
1 stop6h 23m
JetBlue
Deal found 7/8![JetBlue logo]()
$182
This Delta deal was found by Cheapflights users on 7/8. 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.
Thu 9/37:00 am
SJU
- AUS
1 stop7h 51m
Delta
Deal found 7/8![Delta logo]()
$183
This JetBlue deal was found by Cheapflights users on 7/8. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/64:30 pm
SJU
- AUS
1 stop6h 53m
JetBlue
Deal found 7/8![JetBlue logo]()
$184
This Kiwi.com deal was found by Cheapflights users on 7/9. 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.
Mon 8/106:26 am
SJU
- AUS
2 stops35h 13m
Frontier
Deal found 7/9![Frontier logo]()
$187
This Frontier deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/43:10 am
SJU
- AUS
1 stop7h 22m
Frontier
Deal found 7/9![Frontier logo]()
$188
This Kiwi.com deal was found by Cheapflights users on 7/9. 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.
Sat 9/57:14 pm
SJU
- AUS
2 stops22h 25m
Frontier
Deal found 7/9![Frontier logo]()
$189
This Kiwi.com deal was found by Cheapflights users on 7/10. 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.
Mon 9/76:44 am
SJU
- AUS
2 stops34h 55m
Frontier
Deal found 7/10![Frontier logo]()
$190
This Kiwi.com deal was found by Cheapflights users on 7/8. 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.
Fri 8/73:10 am
SJU
- AUS
2 stops10h 28m
Frontier
Deal found 7/8![Frontier logo]()
$192
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 July 11, 2026.
Round-trip from | $260 (Kiwi.com) |
|---|---|
One-way from | $178 (Kiwi.com) |
Popular in | May |
Cheapest in | January |
Average price | $460 |
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 July 11, 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
Quickest round-trip
San JuanAustin
SJU - AUS
SJUAUS
San Juan Luis Munoz Marin Intl
Thu 12/17
3:35 pm-10:19 pm
1 stop8h 44m
Austin Bergstrom
Sat 1/2
2:45 pm-11:20 pm
1 stop6h 35m
$366
San JuanAustin
SJU - AUS
SJUAUS
San Juan Luis Munoz Marin Intl
Fri 8/28
6:30 am-2:05 pm
2 stops8h 35m
Austin Bergstrom
Mon 8/31
1:40 pm-11:50 pm
2 stops9h 10m
$366
San JuanAustin
SJU - AUS
SJUAUS
San Juan Luis Munoz Marin Intl
Fri 8/21
2:59 pm-12:18 am
1 stop10h 19m
Austin Bergstrom
Sat 8/29
8:15 am-4:38 pm
1 stop7h 23m
$366
San JuanAustin
SJU - AUS
SJUAUS
San Juan Luis Munoz Marin Intl
Thu 8/6
5:00 am-2:05 pm
2 stops10h 05m
Austin Bergstrom
Sat 8/8
9:45 am-6:05 pm
1 stop7h 20m
$366
San JuanAustin
SJU - AUS
SJUAUS
San Juan Luis Munoz Marin Intl
Fri 8/21
6:00 am-1:55 pm
2 stops8h 55m
Austin Bergstrom
Mon 8/24
1:40 pm-11:50 pm
2 stops9h 10m
$396
San JuanAustin
SJU - AUS
SJUAUS
San Juan Luis Munoz Marin Intl
Thu 10/22
10:50 pm-8:40 am
1 stop10h 50m
Austin Bergstrom
Fri 10/23
3:55 pm-1:20 am
2 stops8h 25m
$401
San JuanAustin
SJU - AUS
SJUAUS
San Juan Luis Munoz Marin Intl
Tue 10/20
1:00 am-1:18 pm
2 stops13h 18m
Austin Bergstrom
Tue 10/27
7:00 am-3:36 pm
1 stop7h 36m
$456
San JuanAustin
SJU - AUS
SJUAUS
San Juan Luis Munoz Marin Intl
Thu 8/20
1:00 am-9:26 am
1 stop9h 26m
Austin Bergstrom
Fri 9/11
9:33 am-11:50 pm
2 stops13h 17m
$456
San JuanAustin
SJU - AUS
SJUAUS
San Juan Luis Munoz Marin Intl
Fri 11/6
2:05 am-2:43 pm
2 stops14h 38m
Austin Bergstrom
Sat 11/14
9:36 am-12:36 am
2 stops13h 00m
$456
San JuanAustin
SJU - AUS
SJUAUS
San Juan Luis Munoz Marin Intl
Tue 8/18
1:00 am-1:58 pm
2 stops13h 58m
Austin Bergstrom
Sat 8/22
9:00 am-11:50 pm
2 stops13h 50m
$456
Showing 1-10 of 23 resultsSorted by cheapest first
Best time to book a flight from San Juan to Austin
Have a flexible travel schedule? Discover the best time to fly to Austin from San Juan with our price prediction graph.
PR1-AUS
SJU-AUS
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from San Juan to Austin
PR1-AUS
SJU-AUS
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 July 11, 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 July 11, 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
Comfort
8.0
Entertainment
7.5
Crew
8.6
Overall
7.9
Food
7.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Crew
8.6
Overall
7.9
Food
7.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Crew
8.6
Overall
7.9
Food
7.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Crew
8.6
Overall
7.9
Food
7.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Crew
8.6
Overall
7.9
Food
7.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Crew
8.6
Overall
7.9
Food
7.0
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 July 11, 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 July 11, 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 July 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$122 | Average$426 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$140 | Average$348 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$169 | Average$395 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$236 | Average$407 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$245 | Average$396 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$266 | Average$482 | FlexibilityNo cancel fee | On-time63% |