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Islip

$109+ Cheap flights from Texas to Islip, NY (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 8/13. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — ISP
Aug 6 — Aug 131
Wed 8/6
Wed 8/13
1 adult, Economy
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Cheap flight deals from Texas to Islip

Keep the following information in mind while searching for Texas to Islip flight deals. Data was last updated August 1, 2025.

Round-trip from

$215
(Cheapflightsfares)

One-way from

$109
(Frontier)

Popular in

December

Cheapest in

January

Average price

$233
From Texas to Islip Long Island
Search Deals
One-way flight from Texas to Islip Long Island
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Highest demand for flights based on searches. 5% potential increase in price ($14 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Texas to Islip

Cheapest flights from Texas to Islip
Explore the most affordable flight options available from Texas to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 1, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 7/31. 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 8/1311:22 amDFW - ISP
1 stop7h 30mFrontier
Sat 8/162:05 pmISP - DFW
1 stop7h 59mFrontier
Deal found 7/31$215
This FlightHub deal was found by Cheapflights users on 7/30. 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 8/274:43 pmIAH - ISP
1 stop24h 55mFrontier
Wed 9/38:00 amISP - IAH
1 stop8h 40mFrontier
Deal found 7/30$225
This Southwest deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/112:20 pmHOU - ISP
2 stops6h 15mSouthwest
Sat 10/183:10 pmISP - HOU
1 stop5h 20mSouthwest
Deal found 7/30$242
This FlightHub deal was found by Cheapflights users on 7/31. 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.
Fri 9/126:15 pmAUS - ISP
1 stop15h 40mFrontier
Sun 9/1411:25 amISP - AUS
1 stop7h 00mFrontier
Deal found 7/31$265
This Trip.com deal was found by Cheapflights users on 7/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/36:50 amDFW - ISP
1 stop15h 51mMultiple Airlines
Sun 9/711:35 amISP - DFW
1 stop13h 24mMultiple Airlines
Deal found 7/30$287
This Trip.com deal was found by Cheapflights users on 7/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/285:45 amIAH - ISP
1 stop11h 53mMultiple Airlines
Thu 9/411:45 amISP - IAH
2 stops11h 40mMultiple Airlines
Deal found 7/29$371
This Southwest deal was found by Cheapflights users on 7/31. 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 9/2112:30 pmAUS - ISP
1 stop8h 45mSouthwest
Wed 9/245:30 amISP - AUS
1 stop7h 45mSouthwest
Deal found 7/31$380
This Southwest deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/207:00 amSAT - ISP
1 stop6h 40mSouthwest
Sun 12/285:40 amISP - SAT
2 stops7h 30mSouthwest
Deal found 7/31$494
This FlightHub deal was found by Cheapflights users on 7/31. 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.
Fri 8/1510:16 amSAT - ISP
1 stop8h 26mFrontier
Sun 8/176:00 amISP - SAT
1 stop27h 05mFrontier
Deal found 7/31$528
This Mytrip deal was found by Cheapflights users on 7/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/147:15 amAUS - ISP
3 stops25h 49mMultiple Airlines
Mon 8/183:59 pmISP - AUS
2 stops10h 00mMultiple Airlines
Deal found 7/30$733

Cheapflights Fare Finder

 
Customize your flight search to find flights from Texas 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 August 1, 2025.
Use the filters below to find and compare flights from Texas to Islip that are best for you.

Fly from

Texas

Fly to

Islip

Route

Depart

Return

Price

DallasIslip

DFW - ISP

DFWISP

Dallas/Fort Worth

Wed 8/13

11:22 am-7:52 pm

1 stop7h 30m

Islip Long Island

Sat 8/16

2:05 pm-9:04 pm

1 stop7h 59m

$215

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Wed 8/27

4:43 pm-6:38 pm

1 stop24h 55m

Islip Long Island

Wed 9/3

8:00 am-3:40 pm

1 stop8h 40m

$225

HoustonIslip

HOU - ISP

HOUISP

Houston Hobby

Sat 10/11

2:20 pm-9:35 pm

2 stops6h 15m

Islip Long Island

Sat 10/18

3:10 pm-7:30 pm

1 stop5h 20m

$242

AustinIslip

AUS - ISP

AUSISP

Austin Bergstrom

Fri 9/12

6:15 pm-10:55 am

1 stop15h 40m

Islip Long Island

Sun 9/14

11:25 am-5:25 pm

1 stop7h 00m

$265

DallasIslip

DFW - ISP

DFWISP

Dallas/Fort Worth

Wed 9/3

6:50 am-11:41 pm

1 stop15h 51m

Islip Long Island

Sun 9/7

11:35 am-11:59 pm

1 stop13h 24m

$287

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Thu 8/28

5:45 am-6:38 pm

1 stop11h 53m

Islip Long Island

Thu 9/4

11:45 am-10:25 pm

2 stops11h 40m

$371

AustinIslip

AUS - ISP

AUSISP

Austin Bergstrom

Sun 9/21

12:30 pm-10:15 pm

1 stop8h 45m

Islip Long Island

Wed 9/24

5:30 am-12:15 pm

1 stop7h 45m

$380

San AntonioIslip

SAT - ISP

SATISP

San Antonio

Sat 12/20

7:00 am-2:40 pm

1 stop6h 40m

Islip Long Island

Sun 12/28

5:40 am-12:10 pm

2 stops7h 30m

$494

San AntonioIslip

SAT - ISP

SATISP

San Antonio

Fri 8/15

10:16 am-7:42 pm

1 stop8h 26m

Islip Long Island

Sun 8/17

6:00 am-8:05 am

1 stop27h 05m

$528

AustinIslip

AUS - ISP

AUSISP

Austin Bergstrom

Thu 8/14

7:15 am-10:04 am

3 stops25h 49m

Islip Long Island

Mon 8/18

3:59 pm-12:59 am

2 stops10h 00m

$733

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 21 results
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Best time to book a flight from Texas to Islip

Have a flexible travel schedule? Discover the best time to fly to Islip from Texas 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 Texas to Islip

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

Currently, January is the cheapest month in which you can book a flight from Texas to Islip, New York (average of $108). Flying from Texas to Islip, New York in November is currently the most expensive (average of $213). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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

Find hourly flight availability from Texas to Islip. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 1, 2025.

When flying from Texas 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.

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 August 1, 2025.
Peruse reviews from past customers who have flown with Southwest and Frontier from Texas to Islip to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,246 reviews

Comfort

8.0

Boarding

8.1

Food

7.0

Crew

8.6

Overall

8.0

Entertainment

7.5

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
4,246 reviews
Southwest
8.0
Very good
4,246 reviews

Comfort

8.0

Boarding

8.1

Food

7.0

Crew

8.6

Overall

8.0

Entertainment

7.5

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.
Frontier
5.9
Fair
3,239 reviews
Southwest
8.0
Very good
4,246 reviews

Comfort

8.0

Boarding

8.1

Food

7.0

Crew

8.6

Overall

8.0

Entertainment

7.5

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

Find useful and relevant information for your journey from Texas to Islip. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Islip from Texas?

    Located just 7.2 mi from the city center, Islip Long Island (ISP) is the airport most travelers will use when flying to Islip from Texas.

  • What are the most popular routes from Texas to Islip, New York?

    While some choose either Houston Hobby - Islip Long Island or Houston George Bush Intcntl - Islip Long Island, Dallas/Fort Worth - Islip Long Island is the most popular route from Texas to Islip, New York.

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

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

  • How can I find direct flights from Texas to Islip?

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

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

    Yes. Cheapflights offers flight deals from Texas 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 Texas to Islip, New York?

    Currently, January is the cheapest month in which you can book a flight from Texas to Islip, New York (average of $108). Flying from Texas to Islip, New York in November is currently the most expensive (average of $213). 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

Traveling to a place near Islip?

Book flights to Islip if you plan to visit one of these locations
Riverhead
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Alternative routes for Texas to Islip

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Texas to Islip

Discover the top airline that operate flights from Texas 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 August 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$314Average$460FlexibilityNo cancel feeOn-time63%

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