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 33% 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.

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

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

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 December 2025, 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.

$65 Cheap Flights from Islip to Texas in 2025/26

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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.

7:43 pm - 5:41 pm

ISP

DFW

22h 58m1 stop

8:12 pm - 8:47 pm

DFW

ISP

23h 35m1 stop

$129Frontier

Mon, Jan 26 - Thu, Jan 29

7:53 pm - 10:13 am

ISP

IAH

15h 20m1 stop

8:18 pm - 8:40 am

IAH

ISP

11h 22m1 stop

$156Frontier

Sun, Feb 1 - Sat, Feb 7

8:40 pm - 12:13 pm

ISP

DFW

16h 33m2 stops

11:51 am - 8:09 pm

DFW

ISP

7h 18m1 stop

$158Frontier

Sun, Jan 11 - Fri, Jan 16

8:00 am - 9:08 am

ISP

DFW

26h 08m1 stop

11:30 am - 8:40 am

DFW

ISP

20h 10m1 stop

$175Frontier

Sat, Jan 17 - Sat, Jan 24

8:40 pm - 8:15 am

ISP

DFW

12h 35m1 stop

11:51 am - 8:09 pm

DFW

ISP

7h 18m1 stop

$176Frontier

Sun, Jan 11 - Fri, Jan 16

2:01 pm - 5:00 pm

ISP

DFW

27h 59m2 stops

11:51 am - 8:09 pm

DFW

ISP

7h 18m1 stop

$185Multiple Airlines

Mon, Jan 12 - Fri, Jan 16

3:45 pm - 10:40 pm

ISP

HOU

7h 55m2 stops

6:00 am - 11:55 am

HOU

ISP

4h 55m1 stop

$292Southwest

Thu, Jan 8 - Mon, Jan 12

3:45 pm - 10:40 pm

ISP

HOU

7h 55m2 stops

1:35 pm - 9:55 pm

HOU

ISP

7h 20m2 stops

$297Southwest

Thu, Jan 8 - Mon, Jan 12

12:40 pm - 8:45 pm

ISP

HOU

9h 05m1 stop

6:00 am - 11:55 am

HOU

ISP

4h 55m1 stop

$328Southwest

Thu, Jan 8 - Mon, Jan 12

5:55 am - 3:35 pm

ISP

SAT

10h 40m2 stops

6:35 am - 4:15 pm

SAT

ISP

8h 40m2 stops

$403Southwest

Thu, Jan 15 - Mon, Jan 26

Frontier flights from Islip, New York to Texas

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

Frontier

Feb 22

ISP5:03 pmIslip Long Island

16h 57m

1 stop

DFW9:00 amDallas/Fort Worth

Feb 26

DFW8:02 pmDallas/Fort Worth

19h 04m

1 stop

ISP4:06 pmIslip Long Island

$129

Find similar

Frontier

Feb 1

ISP7:53 pmIslip Long Island

15h 20m

1 stop

IAH10:13 amHouston George Bush Intcntl

Feb 7

IAH8:18 pmHouston George Bush Intcntl

11h 22m

1 stop

ISP8:40 amIslip Long Island

$156

Find similar

Frontier

Jan 17

ISP8:00 amIslip Long Island

26h 08m

1 stop

DFW9:08 amDallas/Fort Worth

Jan 24

DFW11:30 amDallas/Fort Worth

20h 10m

1 stop

ISP8:40 amIslip Long Island

$175

Find similar

Southwest flights from Islip, New York to Texas

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

Southwest

Jan 8

ISP3:45 pmIslip Long Island

7h 55m

2 stops

HOU10:40 pmHouston Hobby

Jan 12

HOU6:00 amHouston Hobby

4h 55m

1 stop

ISP11:55 amIslip Long Island

$292

Find similar

Southwest

Jan 8

ISP3:45 pmIslip Long Island

7h 55m

2 stops

HOU10:40 pmHouston Hobby

Jan 12

HOU1:35 pmHouston Hobby

7h 20m

2 stops

ISP9:55 pmIslip Long Island

$297

Find similar

Southwest

Jan 8

ISP12:40 pmIslip Long Island

9h 05m

1 stop

HOU8:45 pmHouston Hobby

Jan 12

HOU6:00 amHouston Hobby

4h 55m

1 stop

ISP11:55 amIslip Long Island

$328

Find similar

Fly from

Fly to

Route

Depart

Return

Price

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Mon 1/26

7:43 pm-5:41 pm

1 stop22h 58m

Dallas/Fort Worth

Thu 1/29

8:12 pm-8:47 pm

1 stop23h 35m

$129

IslipHouston

ISP - IAH

ISPIAH

Islip Long Island

Sun 2/1

7:53 pm-10:13 am

1 stop15h 20m

Houston George Bush Intcntl

Sat 2/7

8:18 pm-8:40 am

1 stop11h 22m

$156

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Sun 1/11

8:40 pm-12:13 pm

2 stops16h 33m

Dallas/Fort Worth

Fri 1/16

11:51 am-8:09 pm

1 stop7h 18m

$158

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Sat 1/17

8:00 am-9:08 am

1 stop26h 08m

Dallas/Fort Worth

Sat 1/24

11:30 am-8:40 am

1 stop20h 10m

$175

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Sun 1/11

8:40 pm-8:15 am

1 stop12h 35m

Dallas/Fort Worth

Fri 1/16

11:51 am-8:09 pm

1 stop7h 18m

$176

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Mon 1/12

2:01 pm-5:00 pm

2 stops27h 59m

Dallas/Fort Worth

Fri 1/16

11:51 am-8:09 pm

1 stop7h 18m

$185

IslipHouston

ISP - HOU

ISPHOU

Islip Long Island

Thu 1/8

3:45 pm-10:40 pm

2 stops7h 55m

Houston Hobby

Mon 1/12

6:00 am-11:55 am

1 stop4h 55m

$292

IslipHouston

ISP - HOU

ISPHOU

Islip Long Island

Thu 1/8

3:45 pm-10:40 pm

2 stops7h 55m

Houston Hobby

Mon 1/12

1:35 pm-9:55 pm

2 stops7h 20m

$297

IslipHouston

ISP - HOU

ISPHOU

Islip Long Island

Thu 1/8

12:40 pm-8:45 pm

1 stop9h 05m

Houston Hobby

Mon 1/12

6:00 am-11:55 am

1 stop4h 55m

$328

IslipSan Antonio

ISP - SAT

ISPSAT

Islip Long Island

Thu 1/15

5:55 am-3:35 pm

2 stops10h 40m

San Antonio

Mon 1/26

6:35 am-4:15 pm

2 stops8h 40m

$403

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

What is the cheapest month to fly to Texas?

The cheapest month to fly to Texas from Islip, New York is in February. Flight prices, which tend to average around $199, are often lower during this time because this is during the off-season. If you don’t want to visit Texas in February, then you should wait until October to fly from Islip, New York, when ticket prices are also cheap, with an average price of $203.

What is the cheapest day to depart on your flight to Texas?

According to our data, Friday is the cheapest day to fly to Texas from Islip, New York. The lowest ticket price found for a Friday departure recently was $52. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Wednesday as prices are generally higher than usual. According to our data, the average ticket price to Texas on Wednesday is $406.

What is the cheapest time of day to depart on your flight to Texas?

The cheapest time of day to fly to Texas is in the evening when flights can be purchased for as low as $189. Flights to Texas are more costly in the morning, with an average ticket price of $370. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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

You could potentially save up to 53% 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 55m
Direct flights	None

The fastest flight from Islip, New York to Texas takes 5h 55m

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 December 2025, 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 $52	Free Cancellation	Rating 5.8 3,084 reviews		Search Frontier flights
Southwest	PriceFrom $268	Free Cancellation	Rating 7.9 4,252 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.