HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Islip

$99+ 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 4/5. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — ISP
Apr 19 — Apr 261
Sun 4/19
Sun 4/26
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Texas 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 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 March 20, 2026.

This CheapOair deal was found by Cheapflights users on 3/17. 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 5/510:00 pm
DFW
-
ISP
1 stop11h 05m
Frontier
Fri 5/811:00 am
ISP
-
DFW
1 stop29h 56m
Frontier
Deal found 3/17$210
This CheapOair deal was found by Cheapflights users on 3/15. 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 5/87:43 pm
DFW
-
ISP
1 stop13h 22m
Frontier
Mon 5/1111:00 am
ISP
-
DFW
1 stop21h 50m
Frontier
Deal found 3/15$230
This Expedia deal was found by Cheapflights users on 3/15. 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 6/47:44 pm
IAH
-
ISP
1 stop13h 21m
Frontier
Tue 6/910:03 am
ISP
-
IAH
1 stop10h 16m
Frontier
Deal found 3/15$230
This Frontier deal was found by Cheapflights users on 3/18. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/26:57 pm
IAH
-
ISP
1 stop13h 16m
Frontier
Sat 5/911:00 am
ISP
-
IAH
1 stop8h 49m
Frontier
Deal found 3/18$232
This CheapOair deal was found by Cheapflights users on 3/18. 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.
Fri 4/31:26 pm
DFW
-
ISP
1 stop28h 13m
Frontier
Sat 4/115:02 pm
ISP
-
DFW
1 stop8h 23m
Frontier
Deal found 3/18$240
This Frontier deal was found by Cheapflights users on 3/16. 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 5/3110:00 pm
DFW
-
ISP
1 stop11h 05m
Frontier
Wed 6/2410:03 am
ISP
-
DFW
1 stop10h 37m
Frontier
Deal found 3/16$250
This CheapOair deal was found by Cheapflights users on 3/17. 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 4/12:21 pm
DFW
-
ISP
1 stop28h 30m
Frontier
Sat 4/47:30 pm
ISP
-
DFW
1 stop13h 49m
Frontier
Deal found 3/17$260
This Expedia deal was found by Cheapflights users on 3/15. 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 4/21:17 pm
IAH
-
ISP
1 stop27h 38m
Frontier
Sun 4/57:59 pm
ISP
-
IAH
1 stop12h 03m
Frontier
Deal found 3/15$260
This CheapOair deal was found by Cheapflights users on 3/18. 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.
Fri 4/39:59 am
DFW
-
ISP
1 stop6h 56m
Frontier
Tue 4/75:43 pm
ISP
-
DFW
1 stop20h 43m
Frontier
Deal found 3/18$261
This Booking.com deal was found by Cheapflights users on 3/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/256:57 pm
IAH
-
ISP
1 stop13h 16m
Frontier
Sat 5/3011:00 am
ISP
-
IAH
1 stop22h 50m
Frontier
Deal found 3/15$262
This Expedia deal was found by Cheapflights users on 3/19. 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.
Wed 5/2010:00 pm
DFW
-
ISP
1 stop11h 05m
Frontier
Thu 5/2811:00 am
ISP
-
DFW
1 stop21h 50m
Frontier
Deal found 3/19$270
This Frontier deal was found by Cheapflights users on 3/18. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/58:40 pm
DFW
-
ISP
1 stop11h 48m
Frontier
Thu 4/98:36 pm
ISP
-
DFW
1 stop13h 28m
Frontier
Deal found 3/18$280

Find flight deals from Texas to Islip

Keep the following information in mind while searching for Texas to Islip flight deals. Data was last updated March 20, 2026.

Round-trip from

$210
(CheapOair)

One-way from

$99
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$288
From Texas to Islip Long Island
Search Deals
One-way flight from Texas to Islip Long Island
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($10 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 March 20, 2026.
Use the filters below to find and compare flights from Texas to Islip that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DallasIslip

DFW - ISP

DFWISP

Dallas/Fort Worth

Fri 5/8

10:00 pm-10:05 am

1 stop11h 05m

Islip Long Island

Mon 5/11

11:00 am-7:50 am

1 stop21h 50m

$230

DallasIslip

DFW - ISP

DFWISP

Dallas/Fort Worth

Thu 4/30

8:31 pm-9:13 am

1 stop11h 42m

Islip Long Island

Sun 5/3

8:31 pm-8:36 am

1 stop13h 05m

$230

DallasIslip

DFW - ISP

DFWISP

Dallas/Fort Worth

Wed 5/6

10:00 pm-10:05 am

1 stop11h 05m

Islip Long Island

Mon 5/11

11:00 am-7:50 am

1 stop21h 50m

$230

DallasIslip

DFW - ISP

DFWISP

Dallas/Fort Worth

Thu 4/9

2:31 pm-1:26 am

1 stop9h 55m

Islip Long Island

Thu 4/16

4:07 pm-5:54 pm

1 stop26h 47m

$230

DallasIslip

DFW - ISP

DFWISP

Dallas/Fort Worth

Thu 5/14

10:00 pm-10:05 am

1 stop11h 05m

Islip Long Island

Sun 5/17

11:00 am-10:03 am

1 stop24h 03m

$230

DallasIslip

DFW - ISP

DFWISP

Dallas/Fort Worth

Thu 5/28

7:43 pm-10:05 am

1 stop13h 22m

Islip Long Island

Mon 6/1

11:00 am-7:50 am

1 stop21h 50m

$250

DallasIslip

DFW - ISP

DFWISP

Dallas/Fort Worth

Wed 5/27

10:00 pm-10:05 am

1 stop11h 05m

Islip Long Island

Wed 6/24

10:03 am-7:40 pm

1 stop10h 37m

$250

DallasIslip

DFW - ISP

DFWISP

Dallas/Fort Worth

Wed 5/20

11:08 am-10:05 am

1 stop21h 57m

Islip Long Island

Wed 5/27

11:00 am-7:50 am

1 stop21h 50m

$250

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Sat 4/25

6:57 pm-9:13 am

1 stop13h 16m

Islip Long Island

Sat 5/30

11:00 am-8:50 am

1 stop22h 50m

$262

DallasIslip

DFW - ISP

DFWISP

Dallas/Fort Worth

Mon 6/1

5:30 am-5:58 pm

1 stop11h 28m

Islip Long Island

Wed 6/24

10:03 am-7:40 pm

1 stop10h 37m

$270

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/19

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

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, November is the cheapest month in which you can book a flight from Texas to Islip, New York (average of $65). Flying from Texas to Islip, New York in December is currently the most expensive (average of $104). 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.

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.

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

    A quick flight from Texas to Islip, New York can take about 7h 30m. Frontier provides one of the quickest options available for as low as $308. The distance from Texas to Islip, New York is about 1462 mi. This flight may include one or multiple stops.

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

    While some choose either Austin Bergstrom - Islip Long Island or Houston Hobby - 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, November is the cheapest month in which you can book a flight from Texas to Islip, New York (average of $65). Flying from Texas to Islip, New York in December is currently the most expensive (average of $104). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Texas to Islip

See prices for flight routes from nearby airports that may be better suited for you.
San Francisco to Newark flights
San Francisco to John F Kennedy Intl flights
San Francisco to LaGuardia flights
Los Angeles to John F Kennedy Intl flights
Dallas/Fort Worth to LaGuardia flights
Los Angeles to Newark flights
Dallas/Fort Worth to John F Kennedy Intl flights
Dallas/Fort Worth to Newark flights
O'Hare Intl to John F Kennedy Intl flights
Miami to John F Kennedy Intl flights
Los Angeles to LaGuardia flights
Fort Lauderdale to Newark flights
Fort Lauderdale to LaGuardia flights
Atlanta to LaGuardia flights
Miami to LaGuardia flights
Miami to Newark flights
Seattle to Newark flights
Orlando to John F Kennedy Intl flights
Fort Lauderdale to John F Kennedy Intl flights
Atlanta to John F Kennedy Intl flights
Orlando to Newark flights
O'Hare Intl to Newark flights
Seattle to John F Kennedy Intl flights
O'Hare Intl to LaGuardia flights
Hobby to LaGuardia flights
Tampa to LaGuardia flights
West Palm Beach to Newark flights
Tampa to John F Kennedy Intl flights
Hobby to Newark flights
Tampa to Newark flights
Atlanta to Newark flights
Denver to Newark flights
Orlando to LaGuardia flights
Denver to John F Kennedy Intl flights
Denver to LaGuardia flights
San Jose to John F Kennedy Intl flights
Ontario to John F Kennedy Intl flights
Sky Harbor Intl to John F Kennedy Intl flights
Hobby to John F Kennedy Intl flights
San Jose to Newark flights
West Palm Beach to John F Kennedy Intl flights
Seattle to LaGuardia flights
Minneapolis to Newark flights
George Bush Intcntl to John F Kennedy Intl flights
Minneapolis to LaGuardia flights
Oakland to Newark flights
George Bush Intcntl to Newark flights
George Bush Intcntl to LaGuardia flights
Charlotte to John F Kennedy Intl flights

Top 2 airlines flying from Texas to Islip

Discover the top 2 airlines 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 March 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$148Average$241FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$218Average$493FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2026 Cheapflights