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$69+ 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 2/1. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — DFW
Dec 21 — Dec 281
Sun 12/21
Sun 12/28
1 adult, Economy
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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 November 21, 2025.

This CheapOair deal was found by Cheapflights users on 11/18. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/610:19 amISP - IAH
1 stop9h 10mFrontier
Tue 12/98:07 pmIAH - ISP
1 stop25h 37mFrontier
Deal found 11/18$138
This CheapOair deal was found by Cheapflights users on 11/18. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/98:29 pmISP - IAH
1 stop23h 00mFrontier
Sat 1/108:13 pmIAH - ISP
1 stop22h 32mFrontier
Deal found 11/18$142
This CheapOair deal was found by Cheapflights users on 11/18. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/410:19 amISP - DFW
1 stop22h 42mFrontier
Sat 12/69:00 pmDFW - ISP
1 stop12h 20mFrontier
Deal found 11/18$146
This Expedia deal was found by Cheapflights users on 11/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/410:19 amISP - IAH
1 stop9h 10mFrontier
Mon 12/88:07 pmIAH - ISP
1 stop22h 27mFrontier
Deal found 11/19$146
This CheapOair deal was found by Cheapflights users on 11/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1812:20 pmISP - DFW
1 stop20h 11mFrontier
Sun 12/2810:49 pmDFW - ISP
1 stop19h 51mFrontier
Deal found 11/19$161
This CheapOair deal was found by Cheapflights users on 11/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/41:15 pmISP - DFW
1 stop7h 35mFrontier
Mon 12/89:12 pmDFW - ISP
1 stop21h 22mFrontier
Deal found 11/19$170
This CheapOair deal was found by Cheapflights users on 11/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/98:29 pmISP - IAH
1 stop23h 00mFrontier
Thu 12/118:07 pmIAH - ISP
1 stop22h 27mFrontier
Deal found 11/19$170
This Kiwi.com deal was found by Cheapflights users on 11/20. 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.
Wed 12/36:00 amISP - DFW
1 stop31h 15mMultiple Airlines
Mon 12/85:54 pmDFW - ISP
1 stop24h 40mMultiple Airlines
Deal found 11/20$171
This CheapOair deal was found by Cheapflights users on 11/18. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/106:00 amISP - DFW
1 stop26h 46mFrontier
Mon 12/1512:21 pmDFW - ISP
1 stop10h 38mFrontier
Deal found 11/18$174
This Kiwi.com deal was found by Cheapflights users on 11/19. 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.
Thu 12/411:40 amISP - IAH
2 stops25h 05mMultiple Airlines
Mon 12/88:07 pmIAH - ISP
1 stop22h 27mMultiple Airlines
Deal found 11/19$174
This CheapOair deal was found by Cheapflights users on 11/18. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/1510:19 amISP - DFW
1 stop22h 56mFrontier
Wed 12/1710:15 amDFW - ISP
1 stop13h 23mFrontier
Deal found 11/18$176
This CheapOair deal was found by Cheapflights users on 11/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/28:29 pmISP - DFW
1 stop12h 46mFrontier
Thu 12/49:00 pmDFW - ISP
1 stop21h 34mFrontier
Deal found 11/19$178

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 November 21, 2025.

Most accurate provider

Expedia
2 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$138
(CheapOair)

One-way from

$69
(CheapOair)

Popular in

December

Cheapest in

January

Average price

$331
Provider with most accurate pricing for New York (NYC)-Houston flight deals.
Search Deals
Provider most trusted by Cheapflights users for New York (NYC)-Houston flights.
Search Deals
From Islip Long Island to Texas
Search Deals
One-way flight from Islip Long Island to Texas
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($22 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

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 November 21, 2025.
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

Tue 12/9

8:29 pm-6:29 pm

1 stop23h 00m

Houston George Bush Intcntl

Sat 1/10

8:13 pm-7:45 pm

1 stop22h 32m

$142

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Tue 12/9

8:29 pm-8:15 am

1 stop12h 46m

Dallas/Fort Worth

Fri 12/12

1:10 pm-11:59 pm

1 stop9h 49m

$146

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Thu 12/4

10:19 am-8:01 am

1 stop22h 42m

Dallas/Fort Worth

Sat 12/6

9:00 pm-10:20 am

1 stop12h 20m

$146

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Fri 12/5

6:00 am-8:02 pm

1 stop15h 02m

Dallas/Fort Worth

Sun 12/7

9:00 pm-9:13 am

1 stop11h 13m

$146

IslipHouston

ISP - IAH

ISPIAH

Islip Long Island

Wed 1/7

11:50 am-4:19 pm

2 stops29h 29m

Houston George Bush Intcntl

Wed 1/14

8:16 pm-8:55 am

1 stop11h 39m

$166

IslipHouston

ISP - IAH

ISPIAH

Islip Long Island

Wed 12/10

6:00 am-6:29 pm

1 stop13h 29m

Houston George Bush Intcntl

Thu 12/11

8:07 pm-7:34 pm

1 stop22h 27m

$170

IslipHouston

ISP - IAH

ISPIAH

Islip Long Island

Tue 12/9

8:29 pm-6:29 pm

1 stop23h 00m

Houston George Bush Intcntl

Thu 12/11

8:07 pm-7:34 pm

1 stop22h 27m

$170

IslipHouston

ISP - IAH

ISPIAH

Islip Long Island

Thu 1/8

8:40 pm-10:01 am

1 stop14h 21m

Houston George Bush Intcntl

Thu 1/15

12:41 pm-7:50 pm

1 stop6h 09m

$170

IslipHouston

ISP - IAH

ISPIAH

Islip Long Island

Thu 12/4

11:40 am-11:45 am

2 stops25h 05m

Houston George Bush Intcntl

Mon 12/8

8:07 pm-7:34 pm

1 stop22h 27m

$174

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Fri 12/12

6:00 am-8:02 pm

1 stop15h 02m

Dallas/Fort Worth

Mon 12/15

9:12 pm-7:34 pm

1 stop21h 22m

$174

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

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, February is the cheapest month in which you can book a flight from Islip, New York to Texas (average of $52). 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.

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

Find hourly flight availability from Islip to Texas. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 21, 2025.

It’s typically best to fly out from Islip, New York to Texas in the afternoon. Doing so could potentially save you 39% on the flight price compared to flying in the evening, which is usually more expensive.

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 November 21, 2025.
Read through reviews of airlines operating flights from Islip to Texas, such as Southwest. 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
4,251 reviews

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

8.0

Food

7.0

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
4,251 reviews
Southwest
8.0
Very good
4,251 reviews

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

8.0

Food

7.0

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 9h 05m. The time it takes to get you to your destination can typically vary by up to 13h 55m. Islip, New York and Texas are separated by a distance of 1462 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Islip, New York to Texas one-way?

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $69. However, be on the lookout for offers from Southwest and JetBlue, as they are both options that can get you from Islip, New York to Texas for a low price.

  • 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, February is the cheapest month in which you can book a flight from Islip, New York to Texas (average of $52). 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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Top airline flying from Islip to Texas

Discover the top airline 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 November 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$260Average$462FlexibilityNo cancel feeOn-time63%

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