How long is the flight from Austin to Islip, New York?

There are many flights that can get you from Austin to Islip, New York in 5h 35m. Fly via Southwest to get the fastest option. The distance between Austin and Islip, New York is about 1556 mi.

What is the cheapest airline to fly from Austin to Islip, New York round-trip?

Southwest, at $317, was found to be the cheapest airline from Austin to Islip, New York.. You may be able to fly from Austin to Islip, New York for 31% less than the average price by searching for this airline.

In terms of precipitation, rainfall in Islip, New York ranges from 3.3 - 4.4 inches per month. March is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Islip, New York when rainfall is around 3.3 in.

If weather is an important factor for your trip to Islip, New York, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

What is the cheapest time of day to fly from AUS to ISP?

When flying from Austin to Islip, New York, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Most accurate provider : When it comes to deals on Austin-Islip, New York flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Austin-Islip, New York flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.

Can I find deals for flights from Austin to Islip that include hotel bookings?

Yes. In addition to deals on Austin to Islip flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Austin to Islip?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Austin to Islip.

Can I find deals for business class flights from Austin to Islip?

Yes. Cheapflights offers flight deals from Austin to Islip by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$164+ Flights from Austin to Islip, NY

Q: How much does it cost to fly round-trip from Austin to Islip, New York?

Airfare is below average for this route at the moment. Austin to Islip, New York flights typically cost between $660 and $701 in December. The cheapest round-trip price found within the last 3 days was $197 on Multiple Airlines (Dec 5-Dec 9).

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Find flight deals from Austin to Islip

Cheapest flights from Austin to Islip
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 November 21, 2025.

Fri 12/56:00 amAUS - ISP

1 stop26h 13mMultiple Airlines

Tue 12/98:29 pmISP - AUS

2 stops26h 52mMultiple Airlines

Deal found 11/20

$197

Sat 12/65:30 amAUS - ISP

2 stops27h 28mMultiple Airlines

Wed 12/106:00 amISP - AUS

1 stop28h 04mMultiple Airlines

Deal found 11/21

$226

Fri 11/286:39 pmAUS - ISP

1 stop12h 23mFrontier

Mon 12/228:35 pmISP - AUS

1 stop12h 33mFrontier

Deal found 11/20

$387

Thu 12/255:40 amAUS - ISP

1 stop5h 35mSouthwest

Fri 1/25:50 pmISP - AUS

1 stop7h 25mSouthwest

Deal found 11/21

$440

Wed 11/266:37 pmAUS - ISP

1 stop13h 30mFrontier

Mon 12/228:35 pmISP - AUS

1 stop12h 33mFrontier

Deal found 11/20

$442

Sat 12/65:30 amAUS - ISP

1 stop5h 20mSouthwest

Sun 12/75:50 amISP - AUS

1 stop7h 45mSouthwest

Deal found 11/20

$567

Wed 11/267:00 pmAUS - ISP

2 stops27h 59mMultiple Airlines

Sat 11/298:47 amISP - AUS

1 stop25h 27mMultiple Airlines

Deal found 11/18

$623

Best flights from Austin to Islip
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 November 21, 2025.

Fri 12/56:00 amAUS - ISP

1 stop26h 13mMultiple Airlines

Tue 12/98:29 pmISP - AUS

2 stops26h 52mMultiple Airlines

Deal found 11/20

$197

Thu 12/255:40 amAUS - ISP

1 stop5h 35mSouthwest

Fri 1/25:50 pmISP - AUS

1 stop7h 25mSouthwest

Deal found 11/21

$440

Sat 12/65:30 amAUS - ISP

2 stops27h 28mMultiple Airlines

Wed 12/106:00 amISP - AUS

1 stop28h 04mMultiple Airlines

Deal found 11/21

$226

Fri 1/26:00 amAUS - ISP

1 stop12h 40mMultiple Airlines

Fri 1/98:45 pmISP - AUS

2 stops49h 08mMultiple Airlines

Deal found 11/20

$442

Fri 1/25:15 amAUS - ISP

1 stop11h 00mSouthwest

Fri 1/912:40 pmISP - AUS

1 stop9h 20mSouthwest

Deal found 11/20

$508

Sat 12/65:30 amAUS - ISP

1 stop5h 20mSouthwest

Sun 12/75:50 amISP - AUS

1 stop7h 45mSouthwest

Deal found 11/20

$567

Last-minute flights from Austin to Islip
Discover last-minute flight deals from Austin to Islip. Data last updated November 21, 2025 and is based on user searches.

Wed 11/266:37 pmAUS - ISP

1 stop13h 30mFrontier

Mon 12/228:35 pmISP - AUS

1 stop12h 33mFrontier

Deal found 11/20

$442

Wed 11/267:00 pmAUS - ISP

2 stops27h 59mMultiple Airlines

Sat 11/298:47 amISP - AUS

1 stop25h 27mMultiple Airlines

Deal found 11/18

$623

Fri 11/286:39 pmAUS - ISP

1 stop12h 23mFrontier

Mon 12/228:35 pmISP - AUS

1 stop12h 33mFrontier

Deal found 11/20

$387

Fri 12/56:00 amAUS - ISP

1 stop26h 13mMultiple Airlines

Tue 12/98:29 pmISP - AUS

2 stops26h 52mMultiple Airlines

Deal found 11/20

$197

Sat 12/65:30 amAUS - ISP

2 stops27h 28mMultiple Airlines

Wed 12/106:00 amISP - AUS

1 stop28h 04mMultiple Airlines

Deal found 11/21

$226

Sat 12/65:30 amAUS - ISP

1 stop5h 20mSouthwest

Sun 12/75:50 amISP - AUS

1 stop7h 45mSouthwest

Deal found 11/20

$567

Thu 12/255:40 amAUS - ISP

1 stop5h 35mSouthwest

Fri 1/25:50 pmISP - AUS

1 stop7h 25mSouthwest

Deal found 11/21

$440

One-way flights from Austin to Islip
Search for one-way flight options from Austin to Islip. Find affordable one-way fares based on user searches. Data last updated November 21, 2025.

Tue 2/244:59 pmAUS - ISP

1 stop16h 41mMultiple Airlines

Deal found 11/20

$164

Mon 2/235:58 pmAUS - ISP

3 stops40h 17mMultiple Airlines

Deal found 11/20

$166

Tue 2/247:00 amAUS - ISP

2 stops8h 15mSouthwest

Deal found 11/20

$189

Fri 11/286:39 pmAUS - ISP

1 stop12h 23mFrontier

Deal found 11/19

$197

Cheap flight deals from Austin to Islip

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$197 (Kiwi.com)
One-way from	$164 (Kiwi.com)
Popular in	November
Cheapest in	January
Average price	$831

Provider with most accurate pricing for Austin Bergstrom-Islip Long Island flight deals.

Search Deals

Provider most trusted by Cheapflights users for Austin Bergstrom-Islip Long Island flights.

Search Deals

From Austin Bergstrom to Islip Long Island

Search Deals

One-way flight from Austin Bergstrom to Islip Long Island

Search Deals

Highest demand for flights based on searches. 33% potential increase in price ($233 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 9% potential price decrease ($41 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in November 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

AustinIslip

AUS - ISP

AUSISP

Austin Bergstrom

Fri 12/5

6:00 am-9:13 am

1 stop26h 13m

Islip Long Island

Tue 12/9

8:29 pm-10:21 pm

2 stops26h 52m

$197

AustinIslip

AUS - ISP

AUSISP

Austin Bergstrom

Sat 12/6

5:30 am-9:58 am

2 stops27h 28m

Islip Long Island

Wed 12/10

6:00 am-9:04 am

1 stop28h 04m

$226

AustinIslip

AUS - ISP

AUSISP

Austin Bergstrom

Thu 12/25

5:40 am-12:15 pm

1 stop5h 35m

Islip Long Island

Fri 1/2

5:50 pm-12:15 am

1 stop7h 25m

$440

AustinIslip

AUS - ISP

AUSISP

Austin Bergstrom

Fri 1/2

6:00 am-7:40 pm

1 stop12h 40m

Islip Long Island

Fri 1/9

8:45 pm-8:53 pm

2 stops49h 08m

$442

AustinIslip

AUS - ISP

AUSISP

Austin Bergstrom

Fri 1/2

5:15 am-5:15 pm

1 stop11h 00m

Islip Long Island

Fri 1/9

12:40 pm-9:00 pm

1 stop9h 20m

$508

AustinIslip

AUS - ISP

AUSISP

Austin Bergstrom

Sat 12/6

5:30 am-11:50 am

1 stop5h 20m

Islip Long Island

Sun 12/7

5:50 am-12:35 pm

1 stop7h 45m

$567

AustinIslip

AUS - ISP

AUSISP

Austin Bergstrom

Tue 2/24

4:59 pm-10:40 am

1 stop16h 41m

$164

AustinIslip

AUS - ISP

AUSISP

Austin Bergstrom

Mon 2/23

5:58 pm-11:15 am

3 stops40h 17m

$166

AustinIslip

AUS - ISP

AUSISP

Austin Bergstrom

Tue 2/24

7:00 am-4:15 pm

2 stops8h 15m

$189

AustinIslip

AUS - ISP

AUSISP

Austin Bergstrom

Sun 12/21

9:03 am-7:40 pm

1 stop9h 37m

$197

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 12 results

Compare providers for flights from Austin to Islip

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Austin to Islip in November.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Austin-Islip, New York flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Austin-Islip, New York flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.

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 Islip

What is the cheapest month to book a flight from Austin to Islip, New York?

Currently, January is the cheapest month in which you can book a flight from Austin to Islip, New York (average of $98). Flying from Austin to Islip, New York in July is currently the most expensive (average of $167). 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 Islip, New York?

Reviews of airlines servicing Islip

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.

Southwest

8.0

Very good

4,251 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Southwest

8.0

Very good

4,251 reviews

Southwest

8.0

Very good

4,251 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Related info for your journey

How long is the flight from Austin to Islip, New York?
There are many flights that can get you from Austin to Islip, New York in 5h 35m. Fly via Southwest to get the fastest option. The distance between Austin and Islip, New York is about 1556 mi.
What is the cheapest airline to fly from Austin to Islip, New York round-trip?
Southwest, at $317, was found to be the cheapest airline from Austin to Islip, New York.. You may be able to fly from Austin to Islip, New York for 31% less than the average price by searching for this airline.
Can I find deals for flights from Austin to Islip that include hotel bookings?
Yes. In addition to deals on Austin to Islip flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Austin to Islip?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Austin to Islip.
Can I find deals for business class flights from Austin to Islip?
Yes. Cheapflights offers flight deals from Austin to Islip by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Austin to Islip, New York?
Currently, January is the cheapest month in which you can book a flight from Austin to Islip, New York (average of $98). Flying from Austin to Islip, New York in July is currently the most expensive (average of $167). 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.

See more FAQs

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Southampton

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Top airline flying from Austin to Islip

Airline	Cheapest	Average	Flexibility	On-time
Southwest	Cheapest$317	Average$496	FlexibilityNo cancel fee	On-time63%

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$164+ 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 2/24. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Austin to Islip with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Austin to Islip

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 November 21, 2025.

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 November 21, 2025.

Cheap flight deals from Austin to Islip

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Austin to Islip that are best for you.

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 November.

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.

Cheapflights Insights

Everything you need to know about your flight from Austin to Islip

What is the cheapest month to book a flight from Austin to Islip, New York?

How much does it cost to fly round-trip from Austin to Islip, New York?

Reviews of airlines servicing Islip

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.

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.

How long is the flight from Austin to Islip, New York?

What is the cheapest airline to fly from Austin to Islip, New York round-trip?

Can I find deals for flights from Austin to Islip that include hotel bookings?

How can I find direct flights from Austin to Islip?

Can I find deals for business class flights from Austin to Islip?

What is the cheapest month to book a flight from Austin to Islip, New York?

Traveling to a place near Islip?

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Alternative routes for Austin to Islip

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Top airline flying from Austin to Islip

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Cheapest flights from Austin to Islip
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 November 21, 2025.