$111+ Cheap flights from Austin (AUS) to Luis Munoz Marin Intl (SJU)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — SJU
Nov 17 — Nov 241
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 October 18, 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 October 18, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 10/15. 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.
Mon 11/912:24 pm -
1 stop10h 35m
Thu 11/123:55 am -
1 stop8h 53m
Deal found 10/15![Frontier logo]()
$232
This Kiwi.com deal was found by Cheapflights users on 10/14. 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.
Wed 12/911:10 am -
1 stop11h 57m
Thu 12/173:45 am -
1 stop22h 18m
Deal found 10/14![Frontier logo]()
$233
This Frontier deal was found by Cheapflights users on 10/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/1211:10 am -
1 stop11h 57m
Wed 12/162:29 am -
1 stop9h 31m
Deal found 10/15![Frontier logo]()
$234
This Kiwi.com deal was found by Cheapflights users on 10/14. 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.
Wed 12/911:10 am -
1 stop11h 57m
Tue 12/226:25 pm -
1 stop31h 38m
Deal found 10/14![Frontier logo]()
$235
This Kiwi.com deal was found by Cheapflights users on 10/14. 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 12/811:10 am -
1 stop11h 57m
Fri 12/116:25 am -
2 stops29h 49m
Deal found 10/14![Frontier logo]()
$236
This FlightHub deal was found by Cheapflights users on 10/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/123:35 pm -
1 stop7h 24m
Sun 11/227:17 am -
1 stop15h 00m
Deal found 10/16![Frontier logo]()
$237
This Kiwi.com deal was found by Cheapflights users on 10/14. 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 12/811:32 am -
2 stops12h 41m
Sat 12/123:43 am -
1 stop15h 12m
Deal found 10/14![Frontier logo]()
$240
This Cheapflightsfares deal was found by Cheapflights users on 10/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1112:24 pm -
1 stop10h 35m
Wed 11/187:23 am -
1 stop29h 35m
Deal found 10/14![Frontier logo]()
$241
This Kiwi.com deal was found by Cheapflights users on 10/17. 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 12/1411:10 am -
1 stop11h 57m
Thu 12/172:29 am -
1 stop9h 59m
Deal found 10/17![Frontier logo]()
$242
This Kiwi.com deal was found by Cheapflights users on 10/17. 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 12/1511:32 am -
1 stop11h 35m
Thu 12/172:29 am -
1 stop9h 59m
Deal found 10/17![Frontier logo]()
$243
This Kiwi.com deal was found by Cheapflights users on 10/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/911:32 am -
1 stop11h 35m
Wed 12/162:29 am -
1 stop9h 31m
Deal found 10/15![Frontier logo]()
$244
This FlightHub deal was found by Cheapflights users on 10/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1712:24 pm -
1 stop10h 35m
Sun 11/2210:21 pm -
1 stop23h 53m
Deal found 10/17![Frontier logo]()
$245
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 October 18, 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 October 18, 2026.
This Southwest deal was found by Cheapflights users on 10/13. 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.
Tue 12/811:55 am -
1 stop9h 25m
Tue 12/155:40 am -
1 stop9h 35m
Deal found 10/13![Southwest logo]()
$272
This JetBlue deal was found by Cheapflights users on 10/14. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/41:00 pm -
1 stop8h 04m
Tue 11/106:25 am -
1 stop7h 32m
Deal found 10/14![JetBlue logo]()
$312
This United Airlines deal was found by Cheapflights users on 10/17. 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.
Mon 12/712:15 pm -
1 stop7h 09m
Thu 12/102:05 am -
2 stops15h 18m
Deal found 10/17![United Airlines logo]()
$425
This Southwest deal was found by Cheapflights users on 10/16. 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.
Wed 10/2812:20 pm -
1 stop7h 15m
Mon 11/99:40 pm -
1 stop13h 30m
Deal found 10/16![Southwest logo]()
$358
This United Airlines deal was found by Cheapflights users on 10/16. 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.
Thu 1/149:45 am -
2 stops12h 51m
Sun 1/177:40 am -
1 stop7h 35m
Deal found 10/16![United Airlines logo]()
$431
This Southwest deal was found by Cheapflights users on 10/16. 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 12/31:35 pm -
2 stops9h 15m
Sun 12/69:40 pm -
2 stops15h 40m
Deal found 10/16![Southwest logo]()
$410
This JetBlue deal was found by Cheapflights users on 10/15. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1110:35 am -
1 stop10h 09m
Wed 12/166:01 am -
1 stop10h 35m
Deal found 10/15![JetBlue logo]()
$456
This United Airlines deal was found by Cheapflights users on 10/13. 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.
Sun 11/1512:16 pm -
1 stop7h 08m
Thu 11/192:05 am -
2 stops15h 16m
Deal found 10/13![United Airlines logo]()
$452
This United Airlines deal was found by Cheapflights users on 10/14. 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 11/79:37 am -
2 stops12h 59m
Fri 11/132:05 am -
2 stops15h 16m
Deal found 10/14![United Airlines logo]()
$452
This JetBlue deal was found by Cheapflights users on 10/12. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1810:01 am -
1 stop8h 49m
Fri 12/256:15 am -
1 stop10h 38m
Deal found 10/12![JetBlue logo]()
$535
This United Airlines deal was found by Cheapflights users on 10/17. 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.
Sun 11/17:00 am -
2 stops13h 22m
Thu 11/53:46 pm -
1 stop9h 29m
Deal found 10/17![United Airlines logo]()
$458
This United Airlines deal was found by Cheapflights users on 10/15. 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 12/159:33 am -
2 stops13h 03m
Thu 12/178:05 am -
2 stops12h 35m
Deal found 10/15![United Airlines logo]()
$512
Last-minute flights from Austin to Luis Munoz Marin IntlDiscover last-minute flight deals from Austin to Luis Munoz Marin Intl. Data last updated October 18, 2026 and is based on user searches.
Discover last-minute flight deals from Austin to Luis Munoz Marin Intl. Data last updated October 18, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 10/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/612:24 pm -
1 stop10h 35m
Thu 11/123:55 am -
1 stop8h 53m
Deal found 10/16![Frontier logo]()
$234
This Cheapflightsfares deal was found by Cheapflights users on 10/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/83:35 pm -
1 stop7h 24m
Fri 11/133:55 am -
1 stop15h 07m
Deal found 10/14![Frontier logo]()
$253
This Cheapflightsfares deal was found by Cheapflights users on 10/15. 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.
Mon 11/912:24 pm -
1 stop10h 35m
Thu 11/123:55 am -
1 stop8h 53m
Deal found 10/15![Frontier logo]()
$232
This Kiwi.com deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/912:24 pm -
1 stop10h 35m
Tue 11/174:52 pm -
2 stops20h 47m
Deal found 10/13![Frontier logo]()
$252
This Cheapflightsfares deal was found by Cheapflights users on 10/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1112:24 pm -
1 stop10h 35m
Wed 11/187:23 am -
1 stop29h 35m
Deal found 10/14![Frontier logo]()
$241
This Kiwi.com deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1112:24 pm -
1 stop10h 35m
Tue 11/174:52 pm -
2 stops20h 47m
Deal found 10/13![Frontier logo]()
$247
This FlightHub deal was found by Cheapflights users on 10/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/123:35 pm -
1 stop7h 24m
Sun 11/227:17 am -
1 stop15h 00m
Deal found 10/16![Frontier logo]()
$237
This Kiwi.com deal was found by Cheapflights users on 10/14. 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 11/123:35 pm -
1 stop7h 24m
Tue 11/178:45 am -
2 stops28h 54m
Deal found 10/14![Frontier logo]()
$246
This Kiwi.com deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1312:24 pm -
1 stop10h 35m
Tue 11/174:52 pm -
2 stops20h 47m
Deal found 10/13![Frontier logo]()
$249
This FlightHub deal was found by Cheapflights users on 10/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1611:51 am -
1 stop12h 55m
Sun 11/2210:21 pm -
1 stop23h 53m
Deal found 10/17![Frontier logo]()
$251
This FlightHub deal was found by Cheapflights users on 10/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1712:24 pm -
1 stop10h 35m
Sun 11/2210:21 pm -
1 stop23h 53m
Deal found 10/17![Frontier logo]()
$245
This Kiwi.com deal was found by Cheapflights users on 10/17. 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 11/1812:24 pm -
1 stop10h 35m
Sun 11/223:55 am -
1 stop18h 19m
Deal found 10/17![Frontier logo]()
$259
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 October 18, 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 October 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/511:10 am -
1 stop11h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Frontier logo]()
$111
This Cheapflightsfares deal was found by Cheapflights users on 10/15. 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.
Fri 11/611:33 am -
1 stop13h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Frontier logo]()
$115
This Super.com deal was found by Cheapflights users on 10/17. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/145:57 pm -
1 stop14h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![Frontier logo]()
$116
This Frontier deal was found by Cheapflights users on 10/17. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/75:57 pm -
1 stop6h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![Frontier logo]()
$117
This Cheapflightsfares deal was found by Cheapflights users on 10/18. 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.
Sun 11/229:17 pm -
1 stop24h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![Frontier logo]()
$121
This Frontier deal was found by Cheapflights users on 10/13. 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.
Thu 12/311:02 am -
2 stops12h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![Frontier logo]()
$130
This American Airlines deal was found by Cheapflights users on 10/13. 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.
Fri 11/66:06 pm -
1 stop14h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![American Airlines logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 10/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/123:35 pm -
2 stops19h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Frontier logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/1310:31 am -
2 stops28h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![Frontier logo]()
$139
This Kiwi.com deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/1610:31 am -
2 stops22h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![Frontier logo]()
$140
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 October 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $232 (Cheapflightsfares) |
One-way from | $111 (Kiwi.com) |
Popular in | December |
Cheapest in | January |
Average price | $386 |
Good round-trip deal | $409 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 7,457,451 searches. Data last updated October 18, 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 Austin Bergstrom - SJU San Juan Luis Munoz Marin Intl
AUSSJU
Austin Bergstrom
Sat 11/14
9:38 am-12:36 am
2 stops12h 58m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$146
AustinSan Juan
AUS Austin Bergstrom - SJU San Juan Luis Munoz Marin Intl
AUSSJU
Austin Bergstrom
Sat 11/7
2:33 pm-11:45 am
2 stops19h 12m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$152
AustinSan Juan
AUS Austin Bergstrom - SJU San Juan Luis Munoz Marin Intl
AUSSJU
Austin Bergstrom
Wed 11/25
4:35 pm-1:45 am
1 stop7h 10m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$186
AustinSan Juan
AUS Austin Bergstrom - SJU San Juan Luis Munoz Marin Intl
AUSSJU
Austin Bergstrom
Mon 2/8
6:30 am-12:36 am
2 stops16h 06m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$186
AustinSan Juan
AUS Austin Bergstrom - SJU San Juan Luis Munoz Marin Intl
AUSSJU
Austin Bergstrom
Tue 4/13
6:40 am-9:24 pm
2 stops13h 44m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$186
AustinSan Juan
AUS Austin Bergstrom - SJU San Juan Luis Munoz Marin Intl
AUSSJU
Austin Bergstrom
Wed 4/14
12:20 pm-8:38 pm
1 stop7h 18m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$186
AustinSan Juan
AUS Austin Bergstrom - SJU San Juan Luis Munoz Marin Intl
AUSSJU
Austin Bergstrom
Wed 10/28
7:10 am-8:35 pm
2 stops12h 25m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$191
Quickest round-trip
AustinSan Juan
AUS Austin Bergstrom - SJU San Juan Luis Munoz Marin Intl
AUSSJU
Austin Bergstrom
Sat 11/14
6:40 am-1:10 pm
Nonstop4h 30m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$195
AustinSan Juan
AUS Austin Bergstrom - SJU San Juan Luis Munoz Marin Intl
AUSSJU
Austin Bergstrom
Wed 2/17
6:40 am-12:36 am
2 stops15h 56m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$196
AustinSan Juan
AUS Austin Bergstrom - SJU San Juan Luis Munoz Marin Intl
AUSSJU
Austin Bergstrom
Thu 1/14
9:28 am-12:36 am
2 stops13h 08m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$196
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 October.
| 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 Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | 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 60 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 $380). Flying from Austin to San Juan Luis Munoz Marin Intl Airport in December is currently the most expensive (average of $553). 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 $322 and $439 in November.The cheapest round-trip price found within the last 5 days was $232 on Frontier (Nov 9-Nov 12).
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 36% 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 $361.
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 08m.
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 39m.
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 October 18, 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.
Boarding
8.1
Food
7.0
Crew
8.6
Entertainment
7.5
Comfort
8.0
Overall
7.9
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Boarding
8.1
Food
7.0
Crew
8.6
Entertainment
7.5
Comfort
8.0
Overall
7.9
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Boarding
8.1
Food
7.0
Crew
8.6
Entertainment
7.5
Comfort
8.0
Overall
7.9
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Boarding
8.1
Food
7.0
Crew
8.6
Entertainment
7.5
Comfort
8.0
Overall
7.9
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Boarding
8.1
Food
7.0
Crew
8.6
Entertainment
7.5
Comfort
8.0
Overall
7.9
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Boarding
8.1
Food
7.0
Crew
8.6
Entertainment
7.5
Comfort
8.0
Overall
7.9
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
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 locationsLuquillo
Rio Grande
Fajardo
Dorado
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 7,457,451 searches. Data last updated October 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$138 | Average$358 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$209 | Average$356 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$227 | Average$395 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$252 | Average$495 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$273 | Average$460 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$312 | Average$485 | FlexibilityNo cancel fee | On-time63% |