$106+ Cheap flights from Austin to Islip, NY (AUS - ISP)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/3. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — ISP
May 24 — May 311
Round-trip
1 adult, Economy
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Find cheap flights from Austin to Islip 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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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 Islip
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Best
Last-minute
One-way
Cheapest flights from Austin to IslipExplore the most affordable flight options available from Austin to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2026.
Explore the most affordable flight options available from Austin to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/19. 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 5/47:12 pm
AUS
- ISP
1 stop14h 48m
Multiple Airlines
Fri 5/82:28 pm
ISP
- AUS
2 stops21h 17m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$246
This Kiwi.com deal was found by Cheapflights users on 4/19. 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 5/47:12 pm
AUS
- ISP
1 stop14h 48m
Frontier
Fri 5/811:00 am
ISP
- AUS
1 stop24h 45m
Frontier
Deal found 4/19![Frontier logo]()
$260
This Expedia deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/46:00 pm
AUS
- ISP
1 stop15h 05m
Frontier
Sun 6/711:00 am
ISP
- AUS
1 stop24h 50m
Frontier
Deal found 4/20![Frontier logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 4/22. 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 6/191:40 pm
AUS
- ISP
2 stops19h 23m
Frontier
Tue 6/234:41 pm
ISP
- AUS
1 stop18h 11m
Frontier
Deal found 4/22![Frontier logo]()
$358
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 6/59:33 am
AUS
- ISP
2 stops23h 32m
Multiple Airlines
Sun 6/711:00 am
ISP
- AUS
1 stop24h 50m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$389
This Priceline deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/213:16 pm
AUS
- ISP
1 stop6h 40m
Multiple Airlines
Sat 7/2510:48 am
ISP
- AUS
1 stop6h 50m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$392
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 6/511:35 am
AUS
- ISP
1 stop21h 30m
Frontier
Sun 6/711:00 am
ISP
- AUS
1 stop24h 50m
Frontier
Deal found 4/20![Frontier logo]()
$398
This Kiwi.com deal was found by Cheapflights users on 4/22. 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 6/47:32 pm
AUS
- ISP
1 stop13h 33m
Multiple Airlines
Sun 6/711:00 am
ISP
- AUS
1 stop24h 50m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$415
This Southwest deal was found by Cheapflights users on 4/22. 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 6/43:05 pm
AUS
- ISP
2 stops7h 30m
Southwest
Sun 6/76:45 am
ISP
- AUS
1 stop6h 25m
Southwest
Deal found 4/22![Southwest logo]()
$420
Best flights from Austin to IslipDiscover carefully curated flight deals from Austin to Islip that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 24, 2026.
Discover carefully curated flight deals from Austin to Islip that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 24, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/19. 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 5/47:12 pm
AUS
- ISP
1 stop14h 48m
Multiple Airlines
Fri 5/82:28 pm
ISP
- AUS
2 stops21h 17m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$246
This Kiwi.com deal was found by Cheapflights users on 4/19. 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 5/47:12 pm
AUS
- ISP
1 stop14h 48m
Frontier
Fri 5/811:00 am
ISP
- AUS
1 stop24h 45m
Frontier
Deal found 4/19![Frontier logo]()
$260
This Southwest deal was found by Cheapflights users on 4/22. 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 6/43:05 pm
AUS
- ISP
2 stops7h 30m
Southwest
Sun 6/76:45 am
ISP
- AUS
1 stop6h 25m
Southwest
Deal found 4/22![Southwest logo]()
$420
This Priceline deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/213:16 pm
AUS
- ISP
1 stop6h 40m
Multiple Airlines
Sat 7/2510:48 am
ISP
- AUS
1 stop6h 50m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$392
This Southwest deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/294:50 pm
AUS
- ISP
1 stop5h 40m
Southwest
Sat 6/65:35 am
ISP
- AUS
1 stop8h 40m
Southwest
Deal found 4/19![Southwest logo]()
$467
This Southwest deal was found by Cheapflights users on 4/21. 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 6/162:20 pm
AUS
- ISP
1 stop7h 15m
Southwest
Mon 6/225:20 am
ISP
- AUS
1 stop7h 50m
Southwest
Deal found 4/21![Southwest logo]()
$467
This Southwest deal was found by Cheapflights users on 4/23. 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 6/172:20 pm
AUS
- ISP
1 stop7h 15m
Southwest
Sat 6/2012:15 pm
ISP
- AUS
2 stops9h 30m
Southwest
Deal found 4/23![Southwest logo]()
$472
This Southwest deal was found by Cheapflights users on 4/22. 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 6/193:05 pm
AUS
- ISP
2 stops7h 30m
Southwest
Tue 6/236:00 am
ISP
- AUS
2 stops8h 10m
Southwest
Deal found 4/22![Southwest logo]()
$487
This Southwest deal was found by Cheapflights users on 4/20. 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 6/53:05 pm
AUS
- ISP
2 stops7h 30m
Southwest
Sun 6/76:00 am
ISP
- AUS
2 stops8h 50m
Southwest
Deal found 4/20![Southwest logo]()
$493
Last-minute flights from Austin to IslipDiscover last-minute flight deals from Austin to Islip. Data last updated April 24, 2026 and is based on user searches.
Discover last-minute flight deals from Austin to Islip. Data last updated April 24, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 4/19. 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 5/47:12 pm
AUS
- ISP
1 stop14h 48m
Multiple Airlines
Fri 5/82:28 pm
ISP
- AUS
2 stops21h 17m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$246
This Kiwi.com deal was found by Cheapflights users on 4/19. 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 5/47:12 pm
AUS
- ISP
1 stop14h 48m
Frontier
Fri 5/811:00 am
ISP
- AUS
1 stop24h 45m
Frontier
Deal found 4/19![Frontier logo]()
$260
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 5/59:13 pm
AUS
- ISP
2 stops11h 52m
Frontier
Fri 5/811:00 am
ISP
- AUS
1 stop24h 45m
Frontier
Deal found 4/21![Frontier logo]()
$487
This Southwest deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/59:10 am
AUS
- ISP
1 stop6h 25m
Southwest
Sat 5/910:00 am
ISP
- AUS
1 stop6h 50m
Southwest
Deal found 4/20![Southwest logo]()
$587
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 5/611:30 am
AUS
- ISP
1 stop21h 57m
Frontier
Sun 5/1011:12 am
ISP
- AUS
2 stops35h 35m
Frontier
Deal found 4/21![Frontier logo]()
$465
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 5/89:13 pm
AUS
- ISP
2 stops11h 52m
Frontier
Sun 5/1011:12 am
ISP
- AUS
1 stop24h 33m
Frontier
Deal found 4/21![Frontier logo]()
$477
This Southwest deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/294:50 pm
AUS
- ISP
1 stop5h 40m
Southwest
Sat 6/65:35 am
ISP
- AUS
1 stop8h 40m
Southwest
Deal found 4/19![Southwest logo]()
$467
This Kiwi.com deal was found by Cheapflights users on 4/19. 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 5/2911:35 am
AUS
- ISP
1 stop21h 30m
Multiple Airlines
Sat 6/611:57 am
ISP
- AUS
2 stops30h 07m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$470
One-way flights from Austin to IslipSearch for one-way flight options from Austin to Islip. Find affordable one-way fares based on user searches. Data last updated April 24, 2026.
Search for one-way flight options from Austin to Islip. Find affordable one-way fares based on user searches. Data last updated April 24, 2026.
This Frontier deal was found by Cheapflights users on 4/19. 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.
Sun 5/38:59 pm
AUS
- ISP
1 stop11h 14m
Frontier
Deal found 4/19![Frontier logo]()
$106
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 5/129:13 pm
AUS
- ISP
2 stops11h 52m
Frontier
Deal found 4/21![Frontier logo]()
$109
This Kiwi.com deal was found by Cheapflights users on 4/23. 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 5/271:59 pm
AUS
- ISP
2 stops19h 06m
Frontier
Deal found 4/23![Frontier logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 5/118:48 pm
AUS
- ISP
2 stops36h 17m
Frontier
Deal found 4/21![Frontier logo]()
$130
This Frontier deal was found by Cheapflights users on 4/20. 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 4/307:12 pm
AUS
- ISP
1 stop13h 01m
Frontier
Deal found 4/20![Frontier logo]()
$132
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 5/132:03 pm
AUS
- ISP
2 stops19h 24m
Frontier
Deal found 4/21![Frontier logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 4/22. 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 6/89:13 pm
AUS
- ISP
2 stops35h 50m
Frontier
Deal found 4/22![Frontier logo]()
$153
This Kiwi.com deal was found by Cheapflights users on 4/23. 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 5/269:13 pm
AUS
- ISP
2 stops35h 52m
Frontier
Deal found 4/23![Frontier logo]()
$166
This Southwest deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/125:50 am
AUS
- ISP
1 stop5h 05m
Southwest
Deal found 4/21![Southwest logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 4/23. 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 5/3012:44 pm
AUS
- ISP
2 stops20h 21m
Frontier
Deal found 4/23![Frontier logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 5/129:13 pm
AUS
- ISP
3 stops13h 04m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$178
Find flight deals from Austin to Islip
Discover tips and strategies to find the most affordable flight options for your journey from Austin (AUS) to Islip (ISP). 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 April 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $270 (Expedia) |
One-way from | $106 (Frontier) |
Popular in | March |
Cheapest in | January |
Average price | $343 |
Cheapflights Fare Finder
Customize your flight search to find flights from Austin to Islip 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 April 24, 2026.
Use the filters below to find and compare flights from Austin to Islip that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
AustinIslip
AUS - ISP
AUSISP
Austin Bergstrom
Mon 5/4
7:12 pm-11:00 am
1 stop14h 48m
Islip Long Island
Fri 5/8
2:28 pm-10:45 am
2 stops21h 17m
$246
AustinIslip
AUS - ISP
AUSISP
Austin Bergstrom
Mon 5/4
7:12 pm-11:00 am
1 stop14h 48m
Islip Long Island
Fri 5/8
11:00 am-10:45 am
1 stop24h 45m
$260
Quickest round-trip
AustinIslip
AUS - ISP
AUSISP
Austin Bergstrom
Tue 7/21
3:16 pm-10:56 pm
1 stop6h 40m
Islip Long Island
Sat 7/25
10:48 am-4:38 pm
1 stop6h 50m
$392
AustinIslip
AUS - ISP
AUSISP
Austin Bergstrom
Thu 6/4
3:05 pm-11:35 pm
2 stops7h 30m
Islip Long Island
Sun 6/7
6:45 am-12:10 pm
1 stop6h 25m
$420
AustinIslip
AUS - ISP
AUSISP
Austin Bergstrom
Fri 5/29
4:50 pm-11:30 pm
1 stop5h 40m
Islip Long Island
Sat 6/6
5:35 am-1:15 pm
1 stop8h 40m
$467
AustinIslip
AUS - ISP
AUSISP
Austin Bergstrom
Tue 6/16
2:20 pm-10:35 pm
1 stop7h 15m
Islip Long Island
Mon 6/22
5:20 am-12:10 pm
1 stop7h 50m
$467
AustinIslip
AUS - ISP
AUSISP
Austin Bergstrom
Wed 6/17
2:20 pm-10:35 pm
1 stop7h 15m
Islip Long Island
Sat 6/20
12:15 pm-8:45 pm
2 stops9h 30m
$472
AustinIslip
AUS - ISP
AUSISP
Austin Bergstrom
Fri 6/19
3:05 pm-11:35 pm
2 stops7h 30m
Islip Long Island
Tue 6/23
6:00 am-1:10 pm
2 stops8h 10m
$487
AustinIslip
AUS - ISP
AUSISP
Austin Bergstrom
Fri 6/5
3:05 pm-11:35 pm
2 stops7h 30m
Islip Long Island
Sun 6/7
6:00 am-1:50 pm
2 stops8h 50m
$493
Cheapest one-way
AustinIslip
AUS - ISP
AUSISP
Austin Bergstrom
Tue 5/12
9:13 pm-10:05 am
2 stops11h 52m
$109
Showing 1-10 of 19 resultsSorted by cheapest first
Compare providers for flights from Austin to Islip
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 Islip in April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Austin-Islip, New York flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Austin-Islip, New York flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Austin-Islip, New York flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Austin-Islip, New York 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-Islip, New York 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 Islip
Have a flexible travel schedule? Discover the best time to fly to Islip from Austin with our price prediction graph.
AUS-ISP
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.
Reviews of airlines servicing Islip
Get insights into the airlines that provide service to Islip. 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 Islip. Reviews last updated April 24, 2026.
Get a feel of what it's like to fly with Southwest from Austin to Islip by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
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 Islip. 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 Islip?
Book flights to Islip if you plan to visit one of these locationsRiverhead
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Explore flights to Islip departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on April 24, 2026.
Austin and Islip flights
Browse other Austin and Islip flight options. Last updated on April 24, 2026.
Other flights from Austin
Browse through other flights departing from Austin. Flights are based on user searches made on Cheapflights and were last updated on April 24, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Austin to Islip
Discover the top airline that operate flights from Austin to Islip. 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 April 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$388 | Average$526 | FlexibilityNo cancel fee | On-time63% |