What is the cheapest airline that flies from Islip Long Island to Texas?

Frontier and Southwest are the most popular carriers operating from Islip Long Island to Texas

What airlines fly to Texas?

United Airlines, Spirit Airlines and American Airlines are the top three most popular airlines that fly to Texas from Islip, New York according to our data. United Airlines is the first choice among our users, with 34% of people opting to fly with this airline when traveling to Texas. Keep in mind that there are 7 different airlines that fly to Texas on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Islip Long Island Airport to Texas?

Prices for flights from Islip Long Island Airport to Texas were last updated today.

How many operators does momondo search for flights from Islip Long Island Airport to Texas?

As of March 2026, there are 2 operators available to choose from for flights from Islip Long Island Airport to Texas.

How old do you have to be to fly from Islip Long Island Airport to Texas?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Islip Long Island Airport to Texas.

What documentation or ID do you need to fly to Texas?

The travel and health documents required for your trip to Texas can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Texas. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$86 Cheap Flights from Islip to Texas in 2026

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Find the cheapest flights from Islip, New York to Texas

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:31 pm - 8:51 pm

ISP

DFW

25h 20m

1 stop

8:59 pm - 9:13 am

DFW

ISP

11h 14m

1 stop

$160Frontier

Fri, Apr 17 - Sun, Apr 19

4:07 pm - 8:38 am

ISP

IAH

17h 31m

1 stop

6:05 am - 9:33 am

IAH

ISP

26h 28m

2 stops

$173Frontier

Mon, Apr 27 - Wed, Apr 29

11:00 am - 6:38 pm

ISP

DFW

8h 38m

1 stop

10:00 pm - 10:05 am

DFW

ISP

11h 05m

1 stop

$185Frontier

Fri, May 15 - Sat, May 16

4:07 pm - 8:38 am

ISP

IAH

17h 31m

1 stop

6:57 pm - 9:33 am

IAH

ISP

13h 36m

1 stop

$186Frontier

Mon, Apr 27 - Wed, Apr 29

4:07 pm - 7:26 pm

ISP

DFW

28h 19m

2 stops

6:38 pm - 11:00 am

DFW

ISP

15h 22m

1 stop

$197Frontier

Mon, Apr 20 - Mon, May 4

4:07 pm - 2:30 pm

ISP

DFW

23h 23m

1 stop

9:30 am - 11:00 am

DFW

ISP

24h 30m

1 stop

$210Multiple Airlines

Mon, Apr 20 - Mon, May 4

4:30 pm - 12:05 am

ISP

HOU

8h 35m

1 stop

6:00 am - 11:55 am

HOU

ISP

4h 55m

1 stop

$279Southwest

Mon, Apr 20 - Tue, Apr 21

4:30 pm - 12:05 am

ISP

HOU

8h 35m

1 stop

6:00 am - 1:50 pm

HOU

ISP

6h 50m

2 stops

$284Southwest

Mon, Apr 20 - Tue, Apr 21

4:30 pm - 12:05 am

ISP

HOU

8h 35m

2 stops

2:00 pm - 10:10 pm

HOU

ISP

7h 10m

2 stops

$290Southwest

Mon, Apr 20 - Tue, Apr 21

4:30 pm - 12:05 am

ISP

HOU

8h 35m

1 stop

5:05 pm - 11:30 pm

HOU

ISP

5h 25m

1 stop

$308Southwest

Mon, Apr 20 - Fri, Apr 24

Frontier flights from Islip, New York to Texas

Our best Frontier deals on Islip, New York to Texas flight tickets

Frontier

Apr 17

ISP8:31 pmIslip Long Island

25h 20m

1 stop

DFW8:51 pmDallas/Fort Worth

Apr 19

DFW8:59 pmDallas/Fort Worth

11h 14m

1 stop

ISP9:13 amIslip Long Island

$160

Frontier

Apr 27

ISP4:07 pmIslip Long Island

17h 31m

1 stop

IAH8:38 amHouston George Bush Intcntl

Apr 29

IAH6:05 amHouston George Bush Intcntl

26h 28m

2 stops

ISP9:33 amIslip Long Island

$173

Frontier

May 15

ISP11:00 amIslip Long Island

8h 38m

1 stop

DFW6:38 pmDallas/Fort Worth

May 16

DFW10:00 pmDallas/Fort Worth

11h 05m

1 stop

ISP10:05 amIslip Long Island

$185

JetBlue flights from Islip, New York to Texas

Our best JetBlue deals on Islip, New York to Texas flight tickets

JetBlue

Jun 20

ISP3:39 pmIslip Long Island

7h 28m

1 stop

AUS10:07 pmAustin Bergstrom

Jul 8

AUS6:00 amAustin Bergstrom

7h 11m

1 stop

ISP2:11 pmIslip Long Island

$553

JetBlue

Jun 30

ISP3:07 pmIslip Long Island

8h 00m

1 stop

AUS10:07 pmAustin Bergstrom

Jul 6

AUS6:00 amAustin Bergstrom

7h 11m

1 stop

ISP2:11 pmIslip Long Island

$568

JetBlue

Jun 23

ISP3:07 pmIslip Long Island

8h 00m

1 stop

AUS10:07 pmAustin Bergstrom

Jul 4

AUS6:00 amAustin Bergstrom

7h 44m

1 stop

ISP2:44 pmIslip Long Island

$578

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Fri 4/17

8:31 pm-8:51 pm

1 stop25h 20m

Dallas/Fort Worth

Sun 4/19

8:59 pm-9:13 am

1 stop11h 14m

$160

IslipHouston

ISP - IAH

ISPIAH

Islip Long Island

Mon 4/27

4:07 pm-8:38 am

1 stop17h 31m

Houston George Bush Intcntl

Wed 4/29

6:05 am-9:33 am

2 stops26h 28m

$173

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Fri 5/15

11:00 am-6:38 pm

1 stop8h 38m

Dallas/Fort Worth

Sat 5/16

10:00 pm-10:05 am

1 stop11h 05m

$185

IslipHouston

ISP - IAH

ISPIAH

Islip Long Island

Mon 4/27

4:07 pm-8:38 am

1 stop17h 31m

Houston George Bush Intcntl

Wed 4/29

6:57 pm-9:33 am

1 stop13h 36m

$186

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Mon 4/20

4:07 pm-7:26 pm

2 stops28h 19m

Dallas/Fort Worth

Mon 5/4

6:38 pm-11:00 am

1 stop15h 22m

$197

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Mon 4/20

4:07 pm-2:30 pm

1 stop23h 23m

Dallas/Fort Worth

Mon 5/4

9:30 am-11:00 am

1 stop24h 30m

$210

Quickest round-trip

IslipHouston

ISP - HOU

ISPHOU

Islip Long Island

Mon 4/20

4:30 pm-12:05 am

1 stop8h 35m

Houston Hobby

Tue 4/21

6:00 am-11:55 am

1 stop4h 55m

$279

IslipHouston

ISP - HOU

ISPHOU

Islip Long Island

Mon 4/20

4:30 pm-12:05 am

1 stop8h 35m

Houston Hobby

Tue 4/21

6:00 am-1:50 pm

2 stops6h 50m

$284

IslipHouston

ISP - HOU

ISPHOU

Islip Long Island

Mon 4/20

4:30 pm-12:05 am

2 stops8h 35m

Houston Hobby

Tue 4/21

2:00 pm-10:10 pm

2 stops7h 10m

$290

IslipHouston

ISP - HOU

ISPHOU

Islip Long Island

Mon 4/20

4:30 pm-12:05 am

1 stop8h 35m

Houston Hobby

Fri 4/24

5:05 pm-11:30 pm

1 stop5h 25m

$308

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Islip, New York to Texas

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Can stopping save me money on Islip, New York to Texas flights?

You could potentially save up to 46% on your flight if you consider stops on a Islip, New York to Texas flight.

Cheap Islip, New York to Texas flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Islip, New York to Texas

Fastest flight time	5h 25m
Direct flights	None

The fastest flight from Islip, New York to Texas takes 5h 25m

There are no direct flights from Islip, New York to Texas. There are no popular flight routes from Islip, New York to Texas.

Search flight deals

When did momondo last update prices for flights from Islip Long Island Airport to Texas?
Prices for flights from Islip Long Island Airport to Texas were last updated today.
How many operators does momondo search for flights from Islip Long Island Airport to Texas?
As of March 2026, there are 2 operators available to choose from for flights from Islip Long Island Airport to Texas.
How old do you have to be to fly from Islip Long Island Airport to Texas?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Islip Long Island Airport to Texas.
What documentation or ID do you need to fly to Texas?
The travel and health documents required for your trip to Texas can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Texas. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Islip, New York to Texas

Compare and see reviews for airlines that fly from Islip, New York to Texas with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $115	Free Cancellation	Rating 5.7 3,013 reviews		Search Frontier flights
Southwest	PriceFrom $253	Free Cancellation	Rating 8.0 4,333 reviews		Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Islip to Texas?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Islip to Texas. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Islip to Texas with flexible booking policies on momondo?

Flights from Islip to Texas with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Islip to Texas?

Once you have performed a search for Islip to Texas flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Islip to Texas right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Islip to Texas now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Texas and let you know when they change.