$166+ Cheap flights from Austin (AUS) to Luis Munoz Marin Intl (SJU)
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 8/10. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — SJU
Jul 17 — Jul 241
Round-trip
1 adult, Economy
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Find cheap flights from Austin to Luis Munoz Marin Intl with Cheapflights
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Austin to Luis Munoz Marin Intl
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Cheapest flights from Austin to Luis Munoz Marin IntlExplore the most affordable flight options available from Austin to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 17, 2026.
Explore the most affordable flight options available from Austin to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/144:07 pm
AUS
- SJU
2 stops23h 04m
Multiple Airlines
Tue 8/183:06 am
SJU
- AUS
1 stop7h 46m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$359
This Southwest deal was found by Cheapflights users on 6/15. 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.
Sat 9/56:40 am
AUS
- SJU
1 stop9h 00m
Southwest
Thu 9/106:00 am
SJU
- AUS
2 stops8h 55m
Southwest
Deal found 6/15![Southwest logo]()
$361
This American Airlines deal was found by Cheapflights users on 6/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/166:21 am
AUS
- SJU
1 stop16h 54m
American Airlines
Wed 8/196:00 am
SJU
- AUS
2 stops9h 47m
American Airlines
Deal found 6/12![American Airlines logo]()
$366
This American Airlines deal was found by Cheapflights users on 6/17. 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 8/146:21 am
AUS
- SJU
1 stop16h 38m
American Airlines
Sun 8/165:47 pm
SJU
- AUS
1 stop17h 19m
American Airlines
Deal found 6/17![American Airlines logo]()
$368
This American Airlines deal was found by Cheapflights users on 6/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/195:00 am
AUS
- SJU
2 stops12h 34m
American Airlines
Mon 8/247:22 pm
SJU
- AUS
1 stop16h 45m
American Airlines
Deal found 6/13![American Airlines logo]()
$371
This American Airlines deal was found by Cheapflights users on 6/16. 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 7/2912:05 pm
AUS
- SJU
1 stop8h 54m
American Airlines
Tue 8/117:30 am
SJU
- AUS
1 stop12h 51m
American Airlines
Deal found 6/16![American Airlines logo]()
$372
This United Airlines deal was found by Cheapflights users on 6/17. 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.
Sat 10/1012:15 pm
AUS
- SJU
1 stop7h 23m
United Airlines
Thu 10/152:55 pm
SJU
- AUS
1 stop8h 59m
United Airlines
Deal found 6/17![United Airlines logo]()
$373
This American Airlines deal was found by Cheapflights users on 6/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/285:00 am
AUS
- SJU
2 stops14h 47m
American Airlines
Wed 10/73:50 pm
SJU
- AUS
1 stop9h 31m
American Airlines
Deal found 6/13![American Airlines logo]()
$374
This American Airlines deal was found by Cheapflights users on 6/16. 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 9/46:02 pm
AUS
- SJU
1 stop17h 38m
American Airlines
Mon 9/77:24 pm
SJU
- AUS
1 stop16h 58m
American Airlines
Deal found 6/16![American Airlines logo]()
$376
This American Airlines deal was found by Cheapflights users on 6/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/95:00 am
AUS
- SJU
2 stops14h 47m
American Airlines
Wed 9/236:27 am
SJU
- AUS
2 stops10h 15m
American Airlines
Deal found 6/12![American Airlines logo]()
$379
This United Airlines deal was found by Cheapflights users on 6/14. 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.
Sat 11/712:20 pm
AUS
- SJU
1 stop7h 06m
United Airlines
Fri 11/132:05 am
SJU
- AUS
2 stops13h 04m
United Airlines
Deal found 6/14![United Airlines logo]()
$380
This Southwest deal was found by Cheapflights users on 6/14. 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 10/912:40 pm
AUS
- SJU
1 stop9h 30m
Southwest
Sat 10/175:30 am
SJU
- AUS
1 stop12h 20m
Southwest
Deal found 6/14![Southwest logo]()
$381
Best flights from Austin to Luis Munoz Marin IntlDiscover carefully curated flight deals from Austin to Luis Munoz Marin Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 17, 2026.
Discover carefully curated flight deals from Austin to Luis Munoz Marin Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 17, 2026.
This Southwest deal was found by Cheapflights users on 6/15. 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 9/712:25 pm
AUS
- SJU
2 stops9h 40m
Southwest
Sat 9/125:05 am
SJU
- AUS
1 stop7h 55m
Southwest
Deal found 6/15![Southwest logo]()
$376
This United Airlines deal was found by Cheapflights users on 6/12. 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.
Tue 7/287:44 pm
AUS
- SJU
1 stop8h 45m
United Airlines
Sun 8/21:00 am
SJU
- AUS
1 stop9h 02m
United Airlines
Deal found 6/12![United Airlines logo]()
$451
This Delta deal was found by Cheapflights users on 6/16. 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 7/301:31 pm
AUS
- SJU
1 stop7h 58m
Delta
Thu 8/137:00 am
SJU
- AUS
1 stop9h 50m
Delta
Deal found 6/16![Delta logo]()
$452
This Southwest deal was found by Cheapflights users on 6/15. 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.
Sat 9/56:00 am
AUS
- SJU
2 stops9h 40m
Southwest
Sat 9/125:55 am
SJU
- AUS
2 stops11h 15m
Southwest
Deal found 6/15![Southwest logo]()
$381
This Southwest deal was found by Cheapflights users on 6/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2711:15 am
AUS
- SJU
1 stop12h 05m
Southwest
Sun 8/29:05 pm
SJU
- AUS
1 stop12h 10m
Southwest
Deal found 6/12![Southwest logo]()
$423
This United Airlines deal was found by Cheapflights users on 6/15. 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 9/89:33 am
AUS
- SJU
2 stops13h 17m
United Airlines
Thu 9/101:00 am
SJU
- AUS
2 stops13h 12m
United Airlines
Deal found 6/15![United Airlines logo]()
$486
This Southwest deal was found by Cheapflights users on 6/14. 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.
Sun 8/92:25 pm
AUS
- SJU
2 stops9h 05m
Southwest
Tue 8/116:00 am
SJU
- AUS
2 stops11h 20m
Southwest
Deal found 6/14![Southwest logo]()
$426
This Southwest deal was found by Cheapflights users on 6/14. 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 7/94:25 pm
AUS
- SJU
1 stop6h 15m
Southwest
Mon 7/1310:20 pm
SJU
- AUS
1 stop12h 30m
Southwest
Deal found 6/14![Southwest logo]()
$503
This Southwest deal was found by Cheapflights users on 6/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/282:40 pm
AUS
- SJU
2 stops8h 40m
Southwest
Mon 8/36:00 am
SJU
- AUS
1 stop9h 20m
Southwest
Deal found 6/12![Southwest logo]()
$503
This Southwest deal was found by Cheapflights users on 6/16. 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 7/166:05 pm
AUS
- SJU
1 stop6h 20m
Southwest
Mon 7/2010:20 pm
SJU
- AUS
1 stop10h 55m
Southwest
Deal found 6/16![Southwest logo]()
$513
This Southwest deal was found by Cheapflights users on 6/16. 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 9/41:00 pm
AUS
- SJU
2 stops9h 50m
Southwest
Mon 9/76:30 am
SJU
- AUS
2 stops9h 45m
Southwest
Deal found 6/16![Southwest logo]()
$526
This Southwest deal was found by Cheapflights users on 6/16. 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.
Sun 7/511:30 am
AUS
- SJU
2 stops12h 15m
Southwest
Thu 7/95:30 am
SJU
- AUS
1 stop11h 45m
Southwest
Deal found 6/16![Southwest logo]()
$536
Last-minute flights from Austin to Luis Munoz Marin IntlDiscover last-minute flight deals from Austin to Luis Munoz Marin Intl. Data last updated June 17, 2026 and is based on user searches.
Discover last-minute flight deals from Austin to Luis Munoz Marin Intl. Data last updated June 17, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 6/12. 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.
Fri 7/37:44 pm
AUS
- SJU
1 stop8h 45m
United Airlines
Mon 7/62:05 am
SJU
- AUS
1 stop7h 34m
United Airlines
Deal found 6/12![United Airlines logo]()
$408
This Frontier deal was found by Cheapflights users on 6/13. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/45:42 pm
AUS
- SJU
1 stop13h 15m
Frontier
Tue 7/78:37 pm
SJU
- AUS
1 stop13h 55m
Frontier
Deal found 6/13![Frontier logo]()
$396
This United Airlines deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1412:15 pm
AUS
- SJU
1 stop7h 23m
United Airlines
Mon 7/201:00 am
SJU
- AUS
1 stop9h 02m
United Airlines
Deal found 6/16![United Airlines logo]()
$376
This American Airlines deal was found by Cheapflights users on 6/16. 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.
Tue 7/216:16 am
AUS
- SJU
1 stop15h 43m
American Airlines
Thu 7/307:25 am
SJU
- AUS
1 stop15h 52m
American Airlines
Deal found 6/16![American Airlines logo]()
$406
This American Airlines deal was found by Cheapflights users on 6/17. 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 7/221:02 pm
AUS
- SJU
1 stop8h 57m
American Airlines
Wed 7/297:14 pm
SJU
- AUS
1 stop15h 51m
American Airlines
Deal found 6/17![American Airlines logo]()
$381
This American Airlines deal was found by Cheapflights users on 6/16. 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.
Mon 7/278:12 am
AUS
- SJU
1 stop13h 47m
American Airlines
Tue 8/117:24 pm
SJU
- AUS
1 stop16h 58m
American Airlines
Deal found 6/16![American Airlines logo]()
$368
This Southwest deal was found by Cheapflights users on 6/16. 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 7/2712:45 pm
AUS
- SJU
1 stop10h 50m
Southwest
Tue 8/116:00 am
SJU
- AUS
2 stops11h 20m
Southwest
Deal found 6/16![Southwest logo]()
$401
This American Airlines deal was found by Cheapflights users on 6/15. 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.
Tue 7/286:16 am
AUS
- SJU
1 stop15h 43m
American Airlines
Tue 8/117:24 pm
SJU
- AUS
1 stop16h 58m
American Airlines
Deal found 6/15![American Airlines logo]()
$361
This American Airlines deal was found by Cheapflights users on 6/15. 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.
Tue 7/286:16 am
AUS
- SJU
1 stop15h 43m
American Airlines
Sun 8/97:24 pm
SJU
- AUS
1 stop15h 42m
American Airlines
Deal found 6/15![American Airlines logo]()
$409
This American Airlines deal was found by Cheapflights users on 6/16. 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 7/2912:05 pm
AUS
- SJU
1 stop8h 54m
American Airlines
Tue 8/117:30 am
SJU
- AUS
1 stop12h 51m
American Airlines
Deal found 6/16![American Airlines logo]()
$372
This United Airlines deal was found by Cheapflights users on 6/14. 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 7/317:44 pm
AUS
- SJU
1 stop8h 45m
United Airlines
Mon 8/317:00 am
SJU
- AUS
1 stop7h 12m
United Airlines
Deal found 6/14![United Airlines logo]()
$366
This United Airlines deal was found by Cheapflights users on 6/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/317:44 pm
AUS
- SJU
1 stop8h 45m
United Airlines
Tue 8/41:00 am
SJU
- AUS
1 stop9h 01m
United Airlines
Deal found 6/13![United Airlines logo]()
$384
One-way flights from Austin to Luis Munoz Marin IntlSearch for one-way flight options from Austin to Luis Munoz Marin Intl. Find affordable one-way fares based on user searches. Data last updated June 17, 2026.
Search for one-way flight options from Austin to Luis Munoz Marin Intl. Find affordable one-way fares based on user searches. Data last updated June 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 8/101:33 pm
AUS
- SJU
2 stops47h 08m
Frontier
Deal found 6/17![Frontier logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 8/45:34 pm
AUS
- SJU
2 stops43h 07m
Frontier
Deal found 6/17![Frontier logo]()
$168
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 8/115:34 pm
AUS
- SJU
2 stops43h 07m
Frontier
Deal found 6/17![Frontier logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 8/81:33 pm
AUS
- SJU
2 stops47h 08m
Frontier
Deal found 6/17![Frontier logo]()
$171
This United Airlines deal was found by Cheapflights users on 6/17. 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 8/77:44 pm
AUS
- SJU
1 stop8h 45m
United Airlines
Deal found 6/17![United Airlines logo]()
$173
This Kiwi.com deal was found by Cheapflights users on 6/14. 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.
Sun 8/166:52 pm
AUS
- SJU
2 stops17h 49m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 6/16. 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 7/285:34 pm
AUS
- SJU
2 stops43h 26m
Frontier
Deal found 6/16![Frontier logo]()
$176
This Kiwi.com deal was found by Cheapflights users on 6/17. 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.
Sun 8/95:34 pm
AUS
- SJU
2 stops43h 07m
Frontier
Deal found 6/17![Frontier logo]()
$177
This American Airlines deal was found by Cheapflights users on 6/17. 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 8/511:21 am
AUS
- SJU
1 stop11h 38m
American Airlines
Deal found 6/17![American Airlines logo]()
$178
This Kiwi.com deal was found by Cheapflights users on 6/16. 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 8/144:07 pm
AUS
- SJU
2 stops23h 04m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$180
Find flight deals from Austin to Luis Munoz Marin Intl
Discover tips and strategies to find the most affordable flight options for your journey from Austin (AUS) to Luis Munoz Marin Intl (SJU). 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 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $359 (Kiwi.com) |
One-way from | $166 (Kiwi.com) |
Popular in | December |
Cheapest in | October |
Average price | $482 |
Good one-way deal | $448 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Austin to Luis Munoz Marin Intl 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 17, 2026.
Use the filters below to find and compare flights from Austin to San Juan Luis Munoz Marin Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
AustinSan Juan
AUS - SJU
AUSSJU
Austin Bergstrom
Mon 9/7
12:25 pm-11:05 pm
2 stops9h 40m
San Juan Luis Munoz Marin Intl
Sat 9/12
5:05 am-12:00 pm
1 stop7h 55m
$376
AustinSan Juan
AUS - SJU
AUSSJU
Austin Bergstrom
Sat 9/5
6:00 am-4:40 pm
2 stops9h 40m
San Juan Luis Munoz Marin Intl
Sat 9/12
5:55 am-4:10 pm
2 stops11h 15m
$381
AustinSan Juan
AUS - SJU
AUSSJU
Austin Bergstrom
Mon 7/27
11:15 am-12:20 am
1 stop12h 05m
San Juan Luis Munoz Marin Intl
Sun 8/2
9:05 pm-8:15 am
1 stop12h 10m
$423
AustinSan Juan
AUS - SJU
AUSSJU
Austin Bergstrom
Sun 8/9
2:25 pm-12:30 am
2 stops9h 05m
San Juan Luis Munoz Marin Intl
Tue 8/11
6:00 am-4:20 pm
2 stops11h 20m
$426
AustinSan Juan
AUS - SJU
AUSSJU
Austin Bergstrom
Tue 7/28
7:44 pm-5:29 am
1 stop8h 45m
San Juan Luis Munoz Marin Intl
Sun 8/2
1:00 am-9:02 am
1 stop9h 02m
$451
AustinSan Juan
AUS - SJU
AUSSJU
Austin Bergstrom
Thu 7/30
1:31 pm-10:29 pm
1 stop7h 58m
San Juan Luis Munoz Marin Intl
Thu 8/13
7:00 am-3:50 pm
1 stop9h 50m
$452
AustinSan Juan
AUS - SJU
AUSSJU
Austin Bergstrom
Tue 9/8
9:33 am-11:50 pm
2 stops13h 17m
San Juan Luis Munoz Marin Intl
Thu 9/10
1:00 am-1:12 pm
2 stops13h 12m
$486
AustinSan Juan
AUS - SJU
AUSSJU
Austin Bergstrom
Thu 7/9
4:25 pm-11:40 pm
1 stop6h 15m
San Juan Luis Munoz Marin Intl
Mon 7/13
10:20 pm-9:50 am
1 stop12h 30m
$503
AustinSan Juan
AUS - SJU
AUSSJU
Austin Bergstrom
Tue 7/28
2:40 pm-12:20 am
2 stops8h 40m
San Juan Luis Munoz Marin Intl
Mon 8/3
6:00 am-2:20 pm
1 stop9h 20m
$503
Quickest round-trip
AustinSan Juan
AUS - SJU
AUSSJU
Austin Bergstrom
Thu 7/16
6:05 pm-1:25 am
1 stop6h 20m
San Juan Luis Munoz Marin Intl
Mon 7/20
10:20 pm-8:15 am
1 stop10h 55m
$513
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from Austin to Luis Munoz Marin Intl
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Austin to Luis Munoz Marin Intl in June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Austin-San Juan Luis Munoz Marin Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Austin-San Juan Luis Munoz Marin Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Austin-San Juan Luis Munoz Marin Intl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Austin-San Juan Luis Munoz Marin Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Austin-San Juan Luis Munoz Marin Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Austin to Luis Munoz Marin Intl
Have a flexible travel schedule? Discover the best time to fly to Luis Munoz Marin Intl from Austin with our price prediction graph.
AUS-SJU
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 Austin to San Juan Luis Munoz Marin Intl Airport
Prices
More
How far ahead should I book a flight from Austin to San Juan Luis Munoz Marin Intl Airport?
Booking 86 days in advance of your planned departure date is, on average, the best time to get cheap flights from Austin to San Juan Luis Munoz Marin Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Austin to San Juan Luis Munoz Marin Intl Airport?
Currently, October is the cheapest month in which you can book a flight from Austin to San Juan Luis Munoz Marin Intl Airport (average of $348). Flying from Austin to San Juan Luis Munoz Marin Intl Airport in December is currently the most expensive (average of $605). 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 AUS to SJU?
Find hourly flight availability from Austin to Luis Munoz Marin Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 17, 2026.
When flying from Austin to San Juan Luis Munoz Marin Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
What’s the top layover airport for flights from Austin to San Juan Luis Munoz Marin Intl Airport?
Share of 1-stop round-trip flights from Austin to San Juan Luis Munoz Marin Intl Airport chosen by Cheapflights users in the past 12 months, using the same layover each way.
Orlando (MCO) – chosen by Cheapflights users on 60% of 1-stop itineraries from Austin to San Juan Luis Munoz Marin Intl Airport on Cheapflights.
What’s the cheapest layover airport for flights from Austin to San Juan Luis Munoz Marin Intl Airport?
Average round-trip fare for 1-stop flights from Austin to San Juan Luis Munoz Marin Intl Airport, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Orlando (MCO) is the most affordable 1-stop option, with an average round-trip price of $279.
What’s the fastest layover option from Austin to San Juan Luis Munoz Marin Intl Airport?
Shortest average travel time for 1-stop one-way flights from Austin to San Juan Luis Munoz Marin Intl Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Fort Lauderdale (FLL) have the shortest average one-way travel time for 1-stop routes: 7h 13m.
Which airport typically offers the quickest layover for flights from Austin to San Juan Luis Munoz Marin Intl Airport?
Average layover duration for 1-stop one-way flights from Austin to San Juan Luis Munoz Marin Intl Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Fort Lauderdale (FLL) offer the fastest connection on this route, with an average layover time of 1h 42m.
Reviews of airlines servicing Luis Munoz Marin Intl
Get insights into the airlines that provide service to Luis Munoz Marin Intl. 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 Luis Munoz Marin Intl. Reviews last updated June 17, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andUnited Airlines from Austin to San Juan Luis Munoz Marin Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Overall
7.9
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Overall
7.9
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Overall
7.9
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Overall
7.9
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Overall
7.9
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Overall
7.9
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Related info for your journey
Find useful and relevant information for your journey from Austin to Luis Munoz Marin Intl. 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 San Juan Luis Munoz Marin Intl Airport?
Book flights to San Juan Luis Munoz Marin Intl Airport if you plan to visit one of these locationsFajardo
Luquillo
Rio Grande
Dorado
Humacao
Bayamón
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Other flights to Luis Munoz Marin Intl
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Austin and Luis Munoz Marin Intl flights
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Top 6 airlines flying from Austin to Luis Munoz Marin Intl
Discover the top 6 airlines that operate flights from Austin to Luis Munoz Marin Intl. 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 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$135 | Average$315 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$200 | Average$350 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$225 | Average$450 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$245 | Average$410 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$262 | Average$457 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$311 | Average$544 | FlexibilityNo cancel fee | On-time62% |