HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Islip

$125+ 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 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — ISP
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
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

Keep the following information in mind while searching for Texas to Islip flight deals. Data was last updated March 31, 2025.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$248
(Booking.com)

One-way from

$125
(Frontier)

Popular in

December

Cheapest in

January

Average price

$257
Provider with most accurate pricing for Houston-New York (NYC) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Houston-New York (NYC) flights.
Search Deals
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. 5% potential increase in price ($15 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2025
Search Deals

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 March 31, 2025.

This Booking.com deal was found by Cheapflights users on 3/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/279:01 pmIAH - ISP
1 stop11h 59mFrontier
Sun 5/49:47 pmISP - IAH
1 stop21h 23mFrontier
Deal found 3/30$248
This Booking.com deal was found by Cheapflights users on 3/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/137:04 amDFW - ISP
1 stop24h 06mFrontier
Sun 4/209:04 pmISP - DFW
1 stop25h 40mFrontier
Deal found 3/30$258
This Booking.com deal was found by Cheapflights users on 3/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/139:03 amSAT - ISP
1 stop22h 07mFrontier
Fri 4/189:00 amISP - SAT
1 stop27h 21mFrontier
Deal found 3/30$268
This Frontier deal was found by Cheapflights users on 3/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/39:47 amAUS - ISP
1 stop9h 27mFrontier
Mon 4/79:29 pmISP - AUS
1 stop12h 13mFrontier
Deal found 3/30$308
This Southwest deal was found by Cheapflights users on 3/31. 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.
Wed 4/305:45 amAUS - ISP
1 stop5h 40mSouthwest
Wed 5/710:45 amISP - AUS
1 stop7h 10mSouthwest
Deal found 3/31$327
This JetBlue deal was found by Cheapflights users on 3/30. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2011:51 amIAH - ISP
1 stop8h 37mJetBlue
Sat 6/76:00 amISP - IAH
1 stop7h 20mJetBlue
Deal found 3/30$433
This JetBlue deal was found by Cheapflights users on 3/30. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1712:15 pmDFW - ISP
1 stop8h 25mJetBlue
Mon 9/226:00 amISP - DFW
1 stop6h 17mJetBlue
Deal found 3/30$509
This Southwest deal was found by Cheapflights users on 3/30. 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.
Sun 4/136:10 amSAT - ISP
1 stop6h 10mSouthwest
Fri 4/1810:30 amISP - SAT
2 stops9h 15mSouthwest
Deal found 3/30$532
This Mytrip deal was found by Cheapflights users on 3/30. 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.
Fri 4/252:55 pmDFW - ISP
2 stops22h 00mMultiple Airlines
Sun 4/2710:50 amISP - DFW
3 stops38h 37mMultiple Airlines
Deal found 3/30$586
This Southwest deal was found by Cheapflights users on 3/30. 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.
Thu 4/109:15 amHOU - ISP
1 stop6h 10mSouthwest
Tue 4/154:00 pmISP - HOU
1 stop6h 45mSouthwest
Deal found 3/30$642
This Mytrip deal was found by Cheapflights users on 3/30. 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.
Sun 4/278:24 pmIAH - ISP
2 stops22h 21mMultiple Airlines
Sun 5/47:39 pmISP - IAH
2 stops21h 29mMultiple Airlines
Deal found 3/30$643
This JetBlue deal was found by Cheapflights users on 3/30. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/292:27 pmAUS - ISP
1 stop6h 01mJetBlue
Tue 6/36:00 amISP - AUS
1 stop8h 32mJetBlue
Deal found 3/30$683

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 31, 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

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Sun 4/27

9:01 pm-10:00 am

1 stop11h 59m

Islip Long Island

Sun 5/4

9:47 pm-6:10 pm

1 stop21h 23m

$248

DallasIslip

DFW - ISP

DFWISP

Dallas/Fort Worth

Sun 4/13

7:04 am-8:10 am

1 stop24h 06m

Islip Long Island

Sun 4/20

9:04 pm-9:44 pm

1 stop25h 40m

$258

San AntonioIslip

SAT - ISP

SATISP

San Antonio

Sun 4/13

9:03 am-8:10 am

1 stop22h 07m

Islip Long Island

Fri 4/18

9:00 am-11:21 am

1 stop27h 21m

$268

AustinIslip

AUS - ISP

AUSISP

Austin Bergstrom

Wed 4/30

5:45 am-12:25 pm

1 stop5h 40m

Islip Long Island

Wed 5/7

10:45 am-4:55 pm

1 stop7h 10m

$327

AustinIslip

AUS - ISP

AUSISP

Austin Bergstrom

Thu 5/22

5:56 pm-7:34 pm

1 stop24h 38m

Islip Long Island

Sat 5/24

9:06 pm-5:00 pm

1 stop20h 54m

$338

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Tue 5/20

11:51 am-9:28 pm

1 stop8h 37m

Islip Long Island

Sat 6/7

6:00 am-12:20 pm

1 stop7h 20m

$433

DallasIslip

DFW - ISP

DFWISP

Dallas/Fort Worth

Wed 9/17

12:15 pm-9:40 pm

1 stop8h 25m

Islip Long Island

Mon 9/22

6:00 am-11:17 am

1 stop6h 17m

$509

San AntonioIslip

SAT - ISP

SATISP

San Antonio

Sun 4/13

6:10 am-1:20 pm

1 stop6h 10m

Islip Long Island

Fri 4/18

10:30 am-6:45 pm

2 stops9h 15m

$532

DallasIslip

DFW - ISP

DFWISP

Dallas/Fort Worth

Fri 4/25

2:55 pm-1:55 pm

2 stops22h 00m

Islip Long Island

Sun 4/27

10:50 am-12:27 am

3 stops38h 37m

$586

HoustonIslip

HOU - ISP

HOUISP

Houston Hobby

Thu 4/10

9:15 am-4:25 pm

1 stop6h 10m

Islip Long Island

Tue 4/15

4:00 pm-9:45 pm

1 stop6h 45m

$642

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 26 results
1
2
3

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 March 31, 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.

Rainfall in Islip by month

Plan your trip to Islip by taking into account the average rainfall totals by month.

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.

Temperature in Islip by month

Plan your trip to Islip by taking into account the average temperature totals by month.

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).

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 March 31, 2025.
Get a feel of what it's like to fly with Southwest, JetBlue and Frontier from Texas to Islip by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,275 reviews

Overall

8.0

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Food

7.1

Crew

8.7

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
4,275 reviews
Southwest
8.0
Very good
4,275 reviews

Overall

8.0

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Food

7.1

Crew

8.7

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.
JetBlue
7.3
Good
2,924 reviews
Southwest
8.0
Very good
4,275 reviews

Overall

8.0

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Food

7.1

Crew

8.7

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
6.0
Okay
3,274 reviews
Southwest
8.0
Very good
4,275 reviews

Overall

8.0

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Food

7.1

Crew

8.7

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 cheapest airlines to fly from Texas to Islip, New York one-way?

    The cheapest airlines for a one-way flight from Texas to Islip, New York are Frontier ($125), Southwest ($174), and JetBlue ($272).

  • 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 Texas?

Book flights to Texas if you plan to visit one of these locations
Southampton
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.
Los Angeles to John F Kennedy Intl flights
Dallas/Fort Worth to LaGuardia flights
San Francisco to John F Kennedy Intl flights
Los Angeles to Newark flights
Dallas/Fort Worth to Newark flights
San Francisco to Newark flights
Seattle to Newark flights
Atlanta to LaGuardia flights
O'Hare Intl to LaGuardia flights
Los Angeles to LaGuardia flights
Seattle to John F Kennedy Intl flights
O'Hare Intl to John F Kennedy Intl flights
Fort Lauderdale to Newark flights
Fort Lauderdale to LaGuardia flights
Dallas/Fort Worth to John F Kennedy Intl flights
Orlando to LaGuardia flights
Miami to LaGuardia flights
Atlanta to John F Kennedy Intl flights
Miami to John F Kennedy Intl flights
Miami to Newark flights
Denver to John F Kennedy Intl flights
O'Hare Intl to Newark flights
San Francisco to LaGuardia flights
Atlanta to Newark flights
Orlando to Newark flights
Fort Lauderdale to John F Kennedy Intl flights
San Diego to John F Kennedy Intl flights
Orlando to John F Kennedy Intl flights
Tampa to Newark flights
Sky Harbor Intl to John F Kennedy Intl flights
Hobby to LaGuardia flights
Minneapolis to LaGuardia flights
Denver to Newark flights
Burbank to Newark flights
San Diego to Newark flights
Denver to LaGuardia flights
Hobby to Newark flights
Seattle to LaGuardia flights
Midway to John F Kennedy Intl flights
Midway to Newark flights
Hobby to John F Kennedy Intl flights
Tampa to LaGuardia flights
West Palm Beach to John F Kennedy Intl flights
Minneapolis to John F Kennedy Intl flights
Austin to Newark flights
Tampa to John F Kennedy Intl flights
George Bush Intcntl to Newark flights
Santa Ana to Newark flights
Ontario to John F Kennedy Intl flights
Boston to Newark flights

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 March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$317Average$476FlexibilityNo 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.