$94+ 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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — SJU
Sep 16 — Sep 231
Round-trip
1 adult, Economy
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Find cheap flights from Austin to Luis Munoz Marin Intl with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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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 August 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 August 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/14. 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.
Tue 9/296:33 pm -
2 stops19h 44m
Fri 10/22:57 am -
1 stop8h 06m
Deal found 8/14![Frontier logo]()
$296
This Kiwi.com deal was found by Cheapflights users on 8/14. 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.
Sat 9/1910:58 am -
1 stop8h 50m
Tue 9/228:45 am -
2 stops34h 03m
Deal found 8/14![Frontier logo]()
$297
This American Airlines deal was found by Cheapflights users on 8/15. 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.
Sat 8/296:02 pm -
1 stop17h 38m
Wed 9/303:41 pm -
1 stop8h 35m
Deal found 8/15![American Airlines logo]()
$298
This Kiwi.com deal was found by Cheapflights users on 8/14. 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.
Thu 10/110:58 am -
1 stop13h 54m
Mon 10/511:54 am -
2 stops30h 54m
Deal found 8/14![Frontier logo]()
$300
This Kiwi.com deal was found by Cheapflights users on 8/14. 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.
Thu 11/510:50 am -
2 stops35h 48m
Sun 11/157:42 pm -
1 stop16h 50m
Deal found 8/14![Frontier logo]()
$301
This American Airlines deal was found by Cheapflights users on 8/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2711:29 am -
2 stops9h 40m
Thu 11/58:25 am -
1 stop16h 34m
Deal found 8/14![American Airlines logo]()
$302
This American Airlines deal was found by Cheapflights users on 8/12. 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.
Sat 10/103:49 pm -
1 stop18h 31m
Wed 10/146:20 am -
1 stop6h 56m
Deal found 8/12![American Airlines logo]()
$303
This FlightHub deal was found by Cheapflights users on 8/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/37:10 pm -
1 stop30h 05m
Sun 9/69:16 am -
1 stop10h 05m
Deal found 8/13![Frontier logo]()
$304
This Southwest deal was found by Cheapflights users on 8/15. 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.
Sun 9/65:40 am -
1 stop6h 35m
Thu 9/105:00 am -
2 stops10h 05m
Deal found 8/15![Southwest logo]()
$306
This Southwest deal was found by Cheapflights users on 8/14. 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 9/112:30 pm -
1 stop7h 40m
Fri 9/185:00 am -
2 stops10h 05m
Deal found 8/14![Southwest logo]()
$307
This Kiwi.com deal was found by Cheapflights users on 8/17. 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.
Wed 9/3010:58 am -
1 stop21h 37m
Mon 10/56:42 pm -
1 stop16h 21m
Deal found 8/17![Frontier logo]()
$308
This American Airlines deal was found by Cheapflights users on 8/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/295:00 am -
2 stops9h 40m
Sat 10/36:00 am -
2 stops10h 42m
Deal found 8/14![American Airlines logo]()
$309
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 August 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 August 17, 2026.
This Southwest deal was found by Cheapflights users on 8/16. 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 10/19:10 pm -
1 stop11h 10m
Sun 10/45:00 am -
1 stop7h 10m
Deal found 8/16![Southwest logo]()
$303
This United Airlines deal was found by Cheapflights users on 8/12. 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.
Wed 9/912:12 pm -
1 stop7h 26m
Tue 9/151:00 am -
2 stops13h 48m
Deal found 8/12![United Airlines logo]()
$396
This Southwest deal was found by Cheapflights users on 8/16. 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.
Tue 9/151:00 pm -
1 stop8h 05m
Tue 9/226:00 am -
2 stops11h 20m
Deal found 8/16![Southwest logo]()
$306
This Southwest deal was found by Cheapflights users on 8/15. 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.
Fri 9/48:50 am -
1 stop13h 05m
Sat 9/125:55 am -
2 stops11h 15m
Deal found 8/15![Southwest logo]()
$345
This United Airlines deal was found by Cheapflights users on 8/14. 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 1/2310:34 am -
2 stops12h 02m
Mon 2/17:45 am -
1 stop7h 24m
Deal found 8/14![United Airlines logo]()
$405
This Southwest deal was found by Cheapflights users on 8/16. 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 9/311:40 am -
2 stops9h 35m
Sat 9/125:55 am -
2 stops11h 15m
Deal found 8/16![Southwest logo]()
$377
This Southwest deal was found by Cheapflights users on 8/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/141:40 pm -
2 stops9h 15m
Mon 9/215:30 am -
2 stops15h 30m
Deal found 8/17![Southwest logo]()
$384
This Southwest deal was found by Cheapflights users on 8/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/62:40 pm -
2 stops8h 15m
Mon 11/99:35 pm -
2 stops15h 45m
Deal found 8/13![Southwest logo]()
$387
This Southwest deal was found by Cheapflights users on 8/12. 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.
Fri 12/47:55 pm -
1 stop12h 05m
Mon 12/75:40 am -
2 stops9h 45m
Deal found 8/12![Southwest logo]()
$387
This Southwest deal was found by Cheapflights users on 8/12. 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.
Fri 9/111:00 pm -
2 stops9h 55m
Fri 9/185:00 am -
2 stops10h 05m
Deal found 8/12![Southwest logo]()
$397
Last-minute flights from Austin to Luis Munoz Marin IntlDiscover last-minute flight deals from Austin to Luis Munoz Marin Intl. Data last updated August 17, 2026 and is based on user searches.
Discover last-minute flight deals from Austin to Luis Munoz Marin Intl. Data last updated August 17, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 8/15. 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.
Sat 8/296:02 pm -
1 stop17h 38m
Wed 9/303:41 pm -
1 stop8h 35m
Deal found 8/15![American Airlines logo]()
$298
This FlightHub deal was found by Cheapflights users on 8/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/37:10 pm -
1 stop30h 05m
Sun 9/69:16 am -
1 stop10h 05m
Deal found 8/13![Frontier logo]()
$304
This Frontier deal was found by Cheapflights users on 8/12. 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.
Fri 9/410:55 am -
1 stop7h 43m
Wed 9/96:30 am -
1 stop12h 18m
Deal found 8/12![Frontier logo]()
$313
This Southwest deal was found by Cheapflights users on 8/16. 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 9/65:40 am -
1 stop6h 35m
Fri 9/1110:00 am -
2 stops9h 15m
Deal found 8/16![Southwest logo]()
$306
This American Airlines deal was found by Cheapflights users on 8/13. 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.
Tue 9/85:00 am -
2 stops12h 33m
Fri 9/113:41 pm -
1 stop8h 35m
Deal found 8/13![American Airlines logo]()
$303
This Cheapflightsfares deal was found by Cheapflights users on 8/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/812:50 pm -
1 stop9h 30m
Tue 9/152:32 pm -
1 stop8h 50m
Deal found 8/15![JetBlue logo]()
$311
This Southwest deal was found by Cheapflights users on 8/14. 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 9/112:30 pm -
1 stop7h 40m
Fri 9/185:00 am -
2 stops10h 05m
Deal found 8/14![Southwest logo]()
$307
This Kiwi.com deal was found by Cheapflights users on 8/14. 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.
Sat 9/1910:58 am -
1 stop8h 50m
Tue 9/228:45 am -
2 stops34h 03m
Deal found 8/14![Frontier logo]()
$297
This American Airlines deal was found by Cheapflights users on 8/13. 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 9/285:35 pm -
2 stops16h 25m
Wed 10/712:41 pm -
1 stop10h 39m
Deal found 8/13![American Airlines logo]()
$310
This Kiwi.com deal was found by Cheapflights users on 8/14. 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.
Tue 9/296:33 pm -
2 stops19h 44m
Fri 10/22:57 am -
1 stop8h 06m
Deal found 8/14![Frontier logo]()
$296
This American Airlines deal was found by Cheapflights users on 8/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/295:00 am -
2 stops9h 40m
Sat 10/36:00 am -
2 stops10h 42m
Deal found 8/14![American Airlines logo]()
$309
This Kiwi.com deal was found by Cheapflights users on 8/17. 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.
Wed 9/3010:58 am -
1 stop21h 37m
Mon 10/56:42 pm -
1 stop16h 21m
Deal found 8/17![Frontier logo]()
$308
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 August 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 August 17, 2026.
This Super.com deal was found by Cheapflights users on 8/13. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1510:58 am -
1 stop13h 54m
Deal found 8/13![Frontier logo]()
$94
This Frontier deal was found by Cheapflights users on 8/12. 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.
Wed 9/210:55 am -
1 stop7h 43m
Deal found 8/12![Frontier logo]()
$95
This Frontier deal was found by Cheapflights users on 8/12. 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.
Thu 9/1010:58 am -
1 stop11h 15m
Deal found 8/12![Frontier logo]()
$96
This FlightHub deal was found by Cheapflights users on 8/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1410:52 am -
1 stop14h 01m
Deal found 8/13![Frontier logo]()
$97
This Faresmojo deal was found by Cheapflights users on 8/12. 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 Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/76:40 am -
Nonstop4h 30m
Deal found 8/12![JetBlue logo]()
$101
This American Airlines deal was found by Cheapflights users on 8/13. 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 10/128:24 pm -
1 stop17h 59m
Deal found 8/13![American Airlines logo]()
$102
This American Airlines deal was found by Cheapflights users on 8/12. 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.
Tue 10/2711:29 am -
2 stops9h 40m
Deal found 8/12![American Airlines logo]()
$104
This American Airlines deal was found by Cheapflights users on 8/13. 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 11/1111:41 am -
1 stop10h 35m
Deal found 8/13![American Airlines logo]()
$107
This FlightHub deal was found by Cheapflights users on 8/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1211:27 am -
1 stop29h 10m
Deal found 8/13![Frontier logo]()
$111
This American Airlines deal was found by Cheapflights users on 8/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/66:21 am -
1 stop16h 54m
Deal found 8/14![American Airlines logo]()
$118
This American Airlines deal was found by Cheapflights users on 8/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/304:32 pm -
2 stops15h 52m
Deal found 8/14![American Airlines logo]()
$123
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 August 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $296 (Kiwi.com) |
One-way from | $94 (Super.com) |
Popular in | December |
Cheapest in | January |
Average price | $417 |
Good round-trip deal | $450 or less |
Good one-way deal | $178 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 August 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
Quickest round-trip
AustinSan Juan
AUS Austin Bergstrom - SJU San Juan Luis Munoz Marin Intl
AUSSJU
Austin Bergstrom
Thu 10/1
9:10 pm-9:20 am
1 stop11h 10m
San Juan Luis Munoz Marin Intl
Sun 10/4
5:00 am-11:10 am
1 stop7h 10m
$303
AustinSan Juan
AUS Austin Bergstrom - SJU San Juan Luis Munoz Marin Intl
AUSSJU
Austin Bergstrom
Tue 9/15
1:00 pm-10:05 pm
1 stop8h 05m
San Juan Luis Munoz Marin Intl
Tue 9/22
6:00 am-4:20 pm
2 stops11h 20m
$306
AustinSan Juan
AUS Austin Bergstrom - SJU San Juan Luis Munoz Marin Intl
AUSSJU
Austin Bergstrom
Fri 9/4
8:50 am-10:55 pm
1 stop13h 05m
San Juan Luis Munoz Marin Intl
Sat 9/12
5:55 am-4:10 pm
2 stops11h 15m
$345
AustinSan Juan
AUS Austin Bergstrom - SJU San Juan Luis Munoz Marin Intl
AUSSJU
Austin Bergstrom
Thu 9/3
11:40 am-10:15 pm
2 stops9h 35m
San Juan Luis Munoz Marin Intl
Sat 9/12
5:55 am-4:10 pm
2 stops11h 15m
$377
AustinSan Juan
AUS Austin Bergstrom - SJU San Juan Luis Munoz Marin Intl
AUSSJU
Austin Bergstrom
Mon 9/14
1:40 pm-11:55 pm
2 stops9h 15m
San Juan Luis Munoz Marin Intl
Mon 9/21
5:30 am-8:00 pm
2 stops15h 30m
$384
AustinSan Juan
AUS Austin Bergstrom - SJU San Juan Luis Munoz Marin Intl
AUSSJU
Austin Bergstrom
Fri 11/6
2:40 pm-12:55 am
2 stops8h 15m
San Juan Luis Munoz Marin Intl
Mon 11/9
9:35 pm-11:20 am
2 stops15h 45m
$387
AustinSan Juan
AUS Austin Bergstrom - SJU San Juan Luis Munoz Marin Intl
AUSSJU
Austin Bergstrom
Fri 12/4
7:55 pm-10:00 am
1 stop12h 05m
San Juan Luis Munoz Marin Intl
Mon 12/7
5:40 am-1:25 pm
2 stops9h 45m
$387
AustinSan Juan
AUS Austin Bergstrom - SJU San Juan Luis Munoz Marin Intl
AUSSJU
Austin Bergstrom
Wed 9/9
12:12 pm-8:38 pm
1 stop7h 26m
San Juan Luis Munoz Marin Intl
Tue 9/15
1:00 am-1:48 pm
2 stops13h 48m
$396
AustinSan Juan
AUS Austin Bergstrom - SJU San Juan Luis Munoz Marin Intl
AUSSJU
Austin Bergstrom
Fri 9/11
1:00 pm-11:55 pm
2 stops9h 55m
San Juan Luis Munoz Marin Intl
Fri 9/18
5:00 am-2:05 pm
2 stops10h 05m
$397
AustinSan Juan
AUS Austin Bergstrom - SJU San Juan Luis Munoz Marin Intl
AUSSJU
Austin Bergstrom
Sat 1/23
10:34 am-12:36 am
2 stops12h 02m
San Juan Luis Munoz Marin Intl
Mon 2/1
7:45 am-1:09 pm
1 stop7h 24m
$405
Showing 1-10 of 22 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 August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| 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
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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, January is the cheapest month in which you can book a flight from Austin to San Juan Luis Munoz Marin Intl Airport (average of $360). Flying from Austin to San Juan Luis Munoz Marin Intl Airport in December is currently the most expensive (average of $600). 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.
How much does it cost to fly round-trip from Austin to San Juan Luis Munoz Marin Intl Airport?
Airfare is below average for this route at the moment.
Austin to San Juan Luis Munoz Marin Intl Airport flights typically cost between $356 and $498 in September.The cheapest round-trip price found within the last 5 days was $296 on Frontier (Sep 29-Oct 2).
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.
Houston (IAH) – chosen by Cheapflights users on 44% 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 $371.
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 Orlando (MCO) have the shortest average one-way travel time for 1-stop routes: 6h 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 Orlando (MCO) offer the fastest connection on this route, with an average layover time of 1h 38m.
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 August 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.
Entertainment
7.5
Food
7.0
Overall
8.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Entertainment
7.5
Food
7.0
Overall
8.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Entertainment
7.5
Food
7.0
Overall
8.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Entertainment
7.5
Food
7.0
Overall
8.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Entertainment
7.5
Food
7.0
Overall
8.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Entertainment
7.5
Food
7.0
Overall
8.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
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
Dorado
Rio Grande
Humacao
Bayamón
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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 August 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$138 | Average$369 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$209 | Average$356 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$225 | Average$453 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$245 | Average$396 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$294 | Average$537 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$295 | Average$480 | FlexibilityNo cancel fee | On-time63% |