Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Islip, New York to Houston from $213

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Islip, New York to Houston

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
5:43 pm - 9:14 pmISP  Islip Long Island-IAH Houston George Bush Intcntl
28h 31m1 stop Orlando
Frontier Logo
4:21 pm - 4:58 pmIAH  Houston George Bush Intcntl-ISP Islip Long Island
23h 37m1 stop Orlando
$237Frontier
Thu, Oct 1 - Tue, Oct 6
Frontier Logo
5:43 pm - 9:14 pmISP  Islip Long Island-IAH Houston George Bush Intcntl
28h 31m1 stop Orlando
Frontier Logo
4:21 pm - 4:58 pmIAH  Houston George Bush Intcntl-ISP Islip Long Island
23h 37m1 stop Orlando
$243Frontier
Fri, Oct 2 - Tue, Oct 6
Multiple Airlines Logo
5:43 pm - 9:14 pmISP  Islip Long Island-IAH Houston George Bush Intcntl
28h 31m1 stop Orlando
Multiple Airlines Logo
4:21 pm - 11:20 amIAH  Houston George Bush Intcntl-ISP Islip Long Island
17h 59m2 stops Orlando Raleigh-Durham
$248Multiple Airlines
Thu, Oct 1 - Tue, Oct 6
Multiple Airlines Logo
5:43 pm - 9:25 amISP  Islip Long Island-IAH Houston George Bush Intcntl
16h 42m1 stop Orlando
Multiple Airlines Logo
4:21 pm - 11:20 amIAH  Houston George Bush Intcntl-ISP Islip Long Island
17h 59m2 stops Orlando Raleigh-Durham
$256Multiple Airlines
Fri, Oct 2 - Tue, Oct 6
Frontier Logo
8:01 pm - 7:50 amISP  Islip Long Island-IAH Houston George Bush Intcntl
12h 49m1 stop Orlando
Frontier Logo
6:10 am - 7:06 pmIAH  Houston George Bush Intcntl-ISP Islip Long Island
11h 56m1 stop Orlando
$272Frontier
Fri, Nov 20 - Mon, Nov 23
Southwest Logo
7:10 pm - 12:15 amISP  Islip Long Island-HOU Houston Hobby
6h 05m1 stop Orlando
Southwest Logo
5:50 am - 12:10 pmHOU  Houston Hobby-ISP Islip Long Island
5h 20m1 stop Baltimore/Washington
$285Southwest
Fri, Oct 2 - Tue, Oct 6
Southwest Logo
7:10 pm - 12:20 amISP  Islip Long Island-HOU Houston Hobby
6h 10m1 stop Orlando
Southwest Logo
5:25 am - 2:30 pmHOU  Houston Hobby-ISP Islip Long Island
8h 05m1 stop Baltimore/Washington
$285Southwest
Fri, Oct 23 - Mon, Oct 26
Frontier Logo
5:43 pm - 9:14 pmISP  Islip Long Island-IAH Houston George Bush Intcntl
28h 31m1 stop Orlando
Frontier Logo
8:25 pm - 4:58 pmIAH  Houston George Bush Intcntl-ISP Islip Long Island
19h 33m1 stop Orlando
$289Frontier
Thu, Sep 24 - Mon, Sep 28
Southwest Logo
7:10 pm - 12:15 amISP  Islip Long Island-HOU Houston Hobby
6h 05m1 stop Orlando
Southwest Logo
6:05 am - 3:30 pmHOU  Houston Hobby-ISP Islip Long Island
8h 25m2 stops Orlando West Palm Beach President Donald J. Trump Intl
$290Southwest
Fri, Oct 2 - Tue, Oct 6
Frontier Logo
6:55 pm - 9:27 amISP  Islip Long Island-IAH Houston George Bush Intcntl
15h 32m1 stop Orlando
Frontier Logo
8:35 pm - 6:00 pmIAH  Houston George Bush Intcntl-ISP Islip Long Island
20h 25m1 stop Orlando
$299Frontier
Fri, Oct 16 - Sun, Oct 18

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Southwest flights from Islip, New York to Houston

Our best Southwest deals on Islip, New York to Houston flight tickets
Southwest
Oct 2
ISP7:10 pmIslip Long Island
6h 05m
1 stop
HOU12:15 amHouston Hobby
Oct 6
HOU5:50 amHouston Hobby
5h 20m
1 stop
ISP12:10 pmIslip Long Island
$285
Southwest
Oct 2
ISP7:10 pmIslip Long Island
6h 05m
1 stop
HOU12:15 amHouston Hobby
Oct 6
HOU6:05 amHouston Hobby
8h 25m
2 stops
ISP3:30 pmIslip Long Island
$290
Southwest
Oct 23
ISP7:10 pmIslip Long Island
6h 10m
1 stop
HOU12:20 amHouston Hobby
Oct 26
HOU3:05 pmHouston Hobby
7h 35m
2 stops
ISP11:40 pmIslip Long Island
$314

Frontier flights from Islip, New York to Houston

Our best Frontier deals on Islip, New York to Houston flight tickets
Frontier
Oct 1
ISP5:43 pmIslip Long Island
28h 31m
1 stop
IAH9:14 pmHouston George Bush Intcntl
Oct 6
IAH4:21 pmHouston George Bush Intcntl
23h 37m
1 stop
ISP4:58 pmIslip Long Island
$237
Frontier
Oct 2
ISP5:43 pmIslip Long Island
28h 31m
1 stop
IAH9:14 pmHouston George Bush Intcntl
Oct 6
IAH4:21 pmHouston George Bush Intcntl
23h 37m
1 stop
ISP4:58 pmIslip Long Island
$243
Frontier
Nov 20
ISP8:01 pmIslip Long Island
12h 49m
1 stop
IAH7:50 amHouston George Bush Intcntl
Nov 23
IAH6:10 amHouston George Bush Intcntl
11h 56m
1 stop
ISP7:06 pmIslip Long Island
$272

momondo Fare Finder

 
Use the filters below to find and compare flights from Islip, New York to Houston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

IslipHouston

ISP Islip Long Island - IAH Houston George Bush Intcntl

ISPIAH

Islip Long Island

Thu 10/1

5:43 pm-9:14 pm

1 stop28h 31m

Houston George Bush Intcntl

Tue 10/6

4:21 pm-4:58 pm

1 stop23h 37m

$237

IslipHouston

ISP Islip Long Island - IAH Houston George Bush Intcntl

ISPIAH

Islip Long Island

Fri 10/2

5:43 pm-9:14 pm

1 stop28h 31m

Houston George Bush Intcntl

Tue 10/6

4:21 pm-4:58 pm

1 stop23h 37m

$243

IslipHouston

ISP Islip Long Island - IAH Houston George Bush Intcntl

ISPIAH

Islip Long Island

Thu 10/1

5:43 pm-9:14 pm

1 stop28h 31m

Houston George Bush Intcntl

Tue 10/6

4:21 pm-11:20 am

2 stops17h 59m

$248

IslipHouston

ISP Islip Long Island - IAH Houston George Bush Intcntl

ISPIAH

Islip Long Island

Fri 10/2

5:43 pm-9:25 am

1 stop16h 42m

Houston George Bush Intcntl

Tue 10/6

4:21 pm-11:20 am

2 stops17h 59m

$256

IslipHouston

ISP Islip Long Island - IAH Houston George Bush Intcntl

ISPIAH

Islip Long Island

Fri 11/20

8:01 pm-7:50 am

1 stop12h 49m

Houston George Bush Intcntl

Mon 11/23

6:10 am-7:06 pm

1 stop11h 56m

$272
Quickest round-trip

IslipHouston

ISP Islip Long Island - HOU Houston Hobby

ISPHOU

Islip Long Island

Fri 10/2

7:10 pm-12:15 am

1 stop6h 05m

Houston Hobby

Tue 10/6

5:50 am-12:10 pm

1 stop5h 20m

$285

IslipHouston

ISP Islip Long Island - HOU Houston Hobby

ISPHOU

Islip Long Island

Fri 10/23

7:10 pm-12:20 am

1 stop6h 10m

Houston Hobby

Mon 10/26

5:25 am-2:30 pm

1 stop8h 05m

$285

IslipHouston

ISP Islip Long Island - IAH Houston George Bush Intcntl

ISPIAH

Islip Long Island

Thu 9/24

5:43 pm-9:14 pm

1 stop28h 31m

Houston George Bush Intcntl

Mon 9/28

8:25 pm-4:58 pm

1 stop19h 33m

$289

IslipHouston

ISP Islip Long Island - HOU Houston Hobby

ISPHOU

Islip Long Island

Fri 10/2

7:10 pm-12:15 am

1 stop6h 05m

Houston Hobby

Tue 10/6

6:05 am-3:30 pm

2 stops8h 25m

$290

IslipHouston

ISP Islip Long Island - IAH Houston George Bush Intcntl

ISPIAH

Islip Long Island

Fri 10/16

6:55 pm-9:27 am

1 stop15h 32m

Houston George Bush Intcntl

Sun 10/18

8:35 pm-6:00 pm

1 stop20h 25m

$299

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

See travel insights to Houston from

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

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

What is the cheapest month to fly to Houston?

The month of September is, on average, the cheapest month to fly to Houston from Islip, New York, with most prices found around $0. The month of June is another great option to travel to Houston, with average flight prices from Islip, New York averaging around $0.

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

On average, the least expensive day to fly to Houston from Islip, New York is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $341. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Houston on Monday is $465.

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

Our data shows that the cheapest Islip, New York to Houston flights are usually those with departure times at noon. Our users have found flights to Houston at noon for as low as $427. Try not to purchase tickets in the afternoon because they tend to be around $496. Of course, these prices can vary depending on the time of year and what airport you fly to.

Cheap Islip, New York to Houston flight deals and tips

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

Best Price Found

$213

Fastest flight time

6h 10m

Direct flights

None
The best one-way flight to Houston from Islip, New York in the past 72 hours is $213. The best round-trip flight deal from Islip, New York to Houston found on momondo in the last 72 hours is $237.
The fastest flight from Islip, New York to Houston takes 6h 10m
There are no direct flights from Islip, New York to Houston. There are no popular flight routes from Islip, New York to Houston.
Search flight deals

Frequently asked questions about flying from Islip, New York to Houston

  • How far is Islip Long Island to Houston by plane?

    The straight-line distance from Islip Long Island to Houston is 1454.8 mi. Typically, this will take 6h 10m by plane in normal conditions.

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

    Prices for flights from Islip Long Island Airport to Houston are refreshed on a daily basis.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Islip Long Island Airport to Houston.

  • What documentation or ID do you need to fly to Houston?

    The necessary travel and health documents for your Houston trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Islip, New York to Houston

Compare and see reviews for airlines that fly from Islip, New York to Houston with momondo
Airline
Rating
Free Cancellation
Price
SouthwestPriceFrom $266Free CancellationRating
8.0
4,192 reviews
Search Southwest flights

Why use momondo?

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

It is quick and easy to find Islip to Houston flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Houston that suits you.

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

Yes. momondo allows you to filter the results for Islip to Houston flights to just show those with flexible booking policies.

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

Once you have performed a search for Islip to Houston 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 Houston right now. Can momondo alert me if prices change?

Price alerts on flights to Houston from Islip are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Houston trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 10/2
Fri 10/9
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States