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Islip

$156+ 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 6/16. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — ISP
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$294
(Cheapflightsfares)

One-way from

$156
(CheapOair)

Popular in

December

Cheapest in

January

Average price

$249
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. 6% potential increase in price ($16 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This FlightHub deal was found by Cheapflights users on 6/9. 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 6/208:46 pmIAH - ISP
1 stop15h 20mFrontier
Mon 6/232:05 pmISP - IAH
1 stop6h 46mFrontier
Deal found 6/9$270
This Cheapflightsfares deal was found by Cheapflights users on 6/9. 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.
Sat 8/211:22 amDFW - ISP
1 stop7h 20mFrontier
Sat 8/92:05 pmISP - DFW
1 stop7h 59mFrontier
Deal found 6/9$294
This Southwest deal was found by Cheapflights users on 6/10. 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 7/94:20 pmHOU - ISP
1 stop5h 35mSouthwest
Tue 7/156:25 amISP - HOU
1 stop7h 10mSouthwest
Deal found 6/10$312
This Trip.com deal was found by Cheapflights users on 6/10. 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 7/108:15 pmIAH - ISP
1 stop22h 27mMultiple Airlines
Thu 7/176:00 amISP - IAH
1 stop14h 19mMultiple Airlines
Deal found 6/10$322
This Southwest deal was found by Cheapflights users on 6/9. 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.
Tue 9/93:30 pmAUS - ISP
1 stop5h 35mSouthwest
Fri 9/126:00 amISP - AUS
1 stop6h 40mSouthwest
Deal found 6/9$334
This Frontier deal was found by Cheapflights users on 6/12. 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.
Mon 7/710:21 amAUS - ISP
1 stop8h 31mFrontier
Thu 7/106:00 amISP - AUS
1 stop10h 51mFrontier
Deal found 6/12$381
This Southwest deal was found by Cheapflights users on 6/12. 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 8/69:00 amSAT - ISP
1 stop11h 05mSouthwest
Sun 8/105:45 pmISP - SAT
2 stops7h 50mSouthwest
Deal found 6/12$395
This Mytrip deal was found by Cheapflights users on 6/10. 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 7/310:44 amAUS - ISP
3 stops27h 35mMultiple Airlines
Mon 7/710:44 amISP - AUS
3 stops37h 20mMultiple Airlines
Deal found 6/10$675
This Mytrip deal was found by Cheapflights users on 6/12. 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.
Wed 7/212:32 pmSAT - ISP
3 stops29h 27mMultiple Airlines
Sun 7/67:39 pmISP - SAT
3 stops34h 21mMultiple Airlines
Deal found 6/12$744

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 June 12, 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

Sat 8/2

11:22 am-7:42 pm

1 stop7h 20m

Islip Long Island

Sat 8/9

2:05 pm-9:04 pm

1 stop7h 59m

$294

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Mon 7/21

8:46 pm-3:42 pm

1 stop17h 56m

Islip Long Island

Mon 7/28

8:38 pm-10:48 am

1 stop15h 10m

$298

HoustonIslip

HOU - ISP

HOUISP

Houston Hobby

Wed 7/9

4:20 pm-10:55 pm

1 stop5h 35m

Islip Long Island

Tue 7/15

6:25 am-12:35 pm

1 stop7h 10m

$312

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Thu 7/10

8:15 pm-7:42 pm

1 stop22h 27m

Islip Long Island

Thu 7/17

6:00 am-7:19 pm

1 stop14h 19m

$322

AustinIslip

AUS - ISP

AUSISP

Austin Bergstrom

Tue 9/9

3:30 pm-10:05 pm

1 stop5h 35m

Islip Long Island

Fri 9/12

6:00 am-11:40 am

1 stop6h 40m

$334

AustinIslip

AUS - ISP

AUSISP

Austin Bergstrom

Mon 7/7

10:21 am-7:52 pm

1 stop8h 31m

Islip Long Island

Thu 7/10

6:00 am-3:51 pm

1 stop10h 51m

$381

San AntonioIslip

SAT - ISP

SATISP

San Antonio

Wed 8/6

9:00 am-9:05 pm

1 stop11h 05m

Islip Long Island

Sun 8/10

5:45 pm-12:35 am

2 stops7h 50m

$395

AustinIslip

AUS - ISP

AUSISP

Austin Bergstrom

Thu 7/3

10:44 am-3:19 pm

3 stops27h 35m

Islip Long Island

Mon 7/7

10:44 am-11:04 pm

3 stops37h 20m

$675

San AntonioIslip

SAT - ISP

SATISP

San Antonio

Wed 7/2

12:32 pm-6:59 pm

3 stops29h 27m

Islip Long Island

Sun 7/6

7:39 pm-5:00 am

3 stops34h 21m

$744

DallasIslip

DFW - ISP

DFWISP

Dallas/Fort Worth

Mon 6/16

7:46 pm-7:36 pm

1 stop22h 50m

$156

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 19 results
1
2

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 June 12, 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 June 12, 2025.
Get a feel of what it's like to fly with Southwest 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
4,287 reviews

Crew

8.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.1

Entertainment

7.6

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
4,287 reviews
Southwest
8.0
Very good
4,287 reviews

Crew

8.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.1

Entertainment

7.6

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
3,295 reviews
Southwest
8.0
Very good
4,287 reviews

Crew

8.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.1

Entertainment

7.6

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 Texas?

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$314Average$451FlexibilityNo cancel feeOn-time63%

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