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$65+ Cheap flights from Islip, NY (ISP) to Texas

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 2/28. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — DFW
Feb 5 — Feb 121
Thu 2/5
Thu 2/12
1 adult, Economy
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Cheap flight deals from Islip to Texas

Keep the following information in mind while searching for Islip to Texas flight deals. Data was last updated January 6, 2026.

Most accurate provider

Expedia
2 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$128
(Expedia)

One-way from

$65
(CheapOair)

Popular in

December

Cheapest in

January

Average price

$249
Provider with most accurate pricing for New York (NYC)-Houston flight deals.
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From Islip Long Island to Texas
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One-way flight from Islip Long Island to Texas
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Highest demand for flights based on searches. 6% potential increase in price ($20 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find flight deals from Islip to Texas

Cheapest flights from Islip to Texas
Explore the most affordable flight options available from Islip to Texas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 6, 2026.

This Expedia deal was found by Cheapflights users on 1/6. 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.
Sat 2/218:23 pmISP - IAH
1 stop12h 32mFrontier
Sat 2/2811:12 amIAH - ISP
1 stop19h 36mFrontier
Deal found 1/6$128
This CheapOair deal was found by Cheapflights users on 1/5. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/288:23 pmISP - DFW
1 stop15h 00mFrontier
Wed 3/49:00 amDFW - ISP
1 stop28h 39mFrontier
Deal found 1/5$129
This Kiwi.com deal was found by Cheapflights users on 1/6. 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 2/711:50 amISP - IAH
1 stop26h 12mMultiple Airlines
Wed 2/1112:16 pmIAH - ISP
1 stop25h 23mMultiple Airlines
Deal found 1/6$153
This CheapOair deal was found by Cheapflights users on 1/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/233:59 pmISP - DFW
1 stop26h 10mFrontier
Tue 3/39:00 amDFW - ISP
1 stop22h 40mFrontier
Deal found 1/6$155
This Kiwi.com deal was found by Cheapflights users on 1/6. 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 2/2111:41 amISP - IAH
1 stop7h 47mMultiple Airlines
Sat 2/286:30 amIAH - ISP
2 stops11h 58mMultiple Airlines
Deal found 1/6$178
This Frontier deal was found by Cheapflights users on 1/5. 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.
Tue 1/2012:00 pmISP - IAH
1 stop10h 57mFrontier
Sat 1/248:18 pmIAH - ISP
1 stop11h 22mFrontier
Deal found 1/5$180
This CheapOair deal was found by Cheapflights users on 1/5. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/2012:00 pmISP - IAH
1 stop10h 57mFrontier
Thu 1/228:18 pmIAH - ISP
1 stop23h 29mFrontier
Deal found 1/5$181
This CheapOair deal was found by Cheapflights users on 1/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/17:53 pmISP - DFW
1 stop28h 36mFrontier
Sat 2/711:30 amDFW - ISP
1 stop20h 10mFrontier
Deal found 1/6$190
This CheapOair deal was found by Cheapflights users on 1/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/307:33 pmISP - IAH
1 stop15h 55mFrontier
Sat 1/318:18 pmIAH - ISP
1 stop11h 22mFrontier
Deal found 1/6$190
This Kiwi.com deal was found by Cheapflights users on 1/6. 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 2/27:43 pmISP - AUS
1 stop21h 21mMultiple Airlines
Fri 2/67:25 amAUS - ISP
2 stops12h 22mMultiple Airlines
Deal found 1/6$195
This Kiwi.com deal was found by Cheapflights users on 1/5. 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 1/2012:00 pmISP - DFW
1 stop31h 10mMultiple Airlines
Sat 1/242:41 pmDFW - ISP
1 stop16h 59mMultiple Airlines
Deal found 1/5$199
This Kiwi.com deal was found by Cheapflights users on 1/6. 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 2/263:34 pmISP - AUS
1 stop25h 30mMultiple Airlines
Sun 3/110:46 amAUS - ISP
1 stop19h 52mMultiple Airlines
Deal found 1/6$200

Cheapflights Fare Finder

 
Customize your flight search to find flights from Islip to Texas 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 January 6, 2026.
Use the filters below to find and compare flights from Islip to Texas that are best for you.

Fly from

Islip

Fly to

Texas

Route

Depart

Return

Price

IslipHouston

ISP - IAH

ISPIAH

Islip Long Island

Sat 2/21

8:23 pm-7:55 am

1 stop12h 32m

Houston George Bush Intcntl

Sat 2/28

11:12 am-7:48 am

1 stop19h 36m

$128

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Sat 2/28

8:23 pm-10:23 am

1 stop15h 00m

Dallas/Fort Worth

Wed 3/4

9:00 am-2:39 pm

1 stop28h 39m

$129

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Mon 2/23

3:59 pm-5:09 pm

1 stop26h 10m

Dallas/Fort Worth

Tue 3/3

9:00 am-8:40 am

1 stop22h 40m

$155

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Mon 2/23

3:59 pm-5:09 pm

1 stop26h 10m

Dallas/Fort Worth

Wed 2/25

9:00 am-2:39 pm

1 stop28h 39m

$155

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Thu 1/29

7:43 pm-11:26 am

1 stop16h 43m

Dallas/Fort Worth

Sat 1/31

2:28 pm-8:40 am

1 stop17h 12m

$155

IslipHouston

ISP - IAH

ISPIAH

Islip Long Island

Sat 2/7

11:50 am-1:02 pm

1 stop26h 12m

Houston George Bush Intcntl

Wed 2/11

4:35 pm-2:39 pm

2 stops21h 04m

$168

IslipHouston

ISP - IAH

ISPIAH

Islip Long Island

Sat 2/21

11:41 am-6:28 pm

1 stop7h 47m

Houston George Bush Intcntl

Sat 2/28

6:30 am-7:28 pm

2 stops11h 58m

$178

IslipHouston

ISP - IAH

ISPIAH

Islip Long Island

Wed 2/4

11:50 am-1:02 pm

1 stop26h 12m

Houston George Bush Intcntl

Sat 2/7

8:18 pm-8:40 am

1 stop11h 22m

$180

IslipHouston

ISP - IAH

ISPIAH

Islip Long Island

Thu 1/22

7:43 pm-5:10 pm

1 stop22h 27m

Houston George Bush Intcntl

Sat 1/24

8:18 pm-8:40 am

1 stop11h 22m

$181

IslipHouston

ISP - IAH

ISPIAH

Islip Long Island

Tue 1/20

12:00 pm-9:57 pm

1 stop10h 57m

Houston George Bush Intcntl

Thu 1/22

8:18 pm-8:47 pm

1 stop23h 29m

$181

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/5

Showing 1-10 of 60 results
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Best time to book a flight from Islip to Texas

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

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

Currently, November is the cheapest month in which you can book a flight from Islip, New York to Texas (average of $43). Flying from Islip, New York to Texas in July is currently the most expensive (average of $115). 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 Islip, New York to Texas?

Reviews of airlines servicing Texas

Get insights into the airlines that provide service to Texas. 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 Texas. Reviews last updated January 6, 2026.
Read through reviews of airlines operating flights from Islip to Texas, such as Southwest and Frontier. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,247 reviews

Entertainment

7.5

Food

7.0

Crew

8.6

Boarding

8.1

Overall

8.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,247 reviews
Southwest
8.0
Very good
4,247 reviews

Entertainment

7.5

Food

7.0

Crew

8.6

Boarding

8.1

Overall

8.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.7
Fair
3,064 reviews
Southwest
8.0
Very good
4,247 reviews

Entertainment

7.5

Food

7.0

Crew

8.6

Boarding

8.1

Overall

8.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from Islip to Texas. 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 from for flights from Islip to Texas?

    If you book a flight to Texas from Islip, you will be flying from Long Island, which is the city’s only airport. Islip Long Island (ISP) is located 7.2 mi from the center of Islip.

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

    Airlines like Frontier and Southwest fly from Islip, New York to Texas in about 6h 40m. The time it takes to get you to your destination can typically vary by up to 5h 52m. Islip, New York and Texas are separated by a distance of 1462 mi. This flight may include one or multiple stops.

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

    When deciding which route to take from Islip, New York to Texas consider Islip Long Island - Dallas/Fort Worth, Islip Long Island - Houston Hobby or Islip Long Island - Houston George Bush Intcntl as they are the most popular.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Islip, New York to Texas (average of $43). Flying from Islip, New York to Texas in July is currently the most expensive (average of $115). 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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Alternative routes for Islip to Texas

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Top 2 airlines flying from Islip to Texas

Discover the top 2 airlines that operate flights from Islip to Texas. 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 January 6, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$115Average$200FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$260Average$448FlexibilityNo cancel feeOn-time63%

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