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Cheap flights from Houston George Bush Intcntl Airport to New York from $120

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Houston George Bush Intcntl Airport to New York departing on 8/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Houston George Bush Intcntl Airport to New York

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
12:21 pm - 9:33 am
IAH
-
ISP
20h 12m
1 stop
Frontier Logo
4:13 pm - 9:00 pm
ISP
-
IAH
29h 47m
1 stop
$242Frontier
Thu, Sep 17 - Mon, Sep 21
Frontier Logo
1:45 pm - 9:53 am
IAH
-
ISP
19h 08m
1 stop
Frontier Logo
7:09 pm - 4:14 pm
ISP
-
IAH
22h 05m
1 stop
$264Frontier
Wed, Aug 26 - Thu, Aug 27
Multiple Airlines Logo
4:39 pm - 9:33 am
IAH
-
ISP
15h 54m
1 stop
Multiple Airlines Logo
11:52 am - 3:05 pm
ISP
-
IAH
28h 13m
2 stops
$281Multiple Airlines
Thu, Sep 17 - Mon, Sep 21
Frontier Logo
8:57 am - 6:14 pm
IAH
-
ISP
8h 17m
1 stop
Frontier Logo
10:57 am - 2:32 pm
ISP
-
IAH
28h 35m
1 stop
$293Frontier
Thu, Sep 3 - Mon, Sep 7
Multiple Airlines Logo
7:23 pm - 9:53 am
IAH
-
ISP
13h 30m
1 stop
Multiple Airlines Logo
11:57 am - 8:02 am
ISP
-
IAH
21h 05m
2 stops
$319Multiple Airlines
Thu, Aug 13 - Wed, Aug 19
Frontier Logo
7:23 pm - 9:53 am
IAH
-
ISP
13h 30m
1 stop
Frontier Logo
10:57 am - 8:02 am
ISP
-
IAH
22h 05m
1 stop
$335Frontier
Thu, Aug 13 - Wed, Aug 19
Frontier Logo
1:45 pm - 9:53 am
IAH
-
ISP
19h 08m
1 stop
Frontier Logo
7:09 pm - 10:14 pm
ISP
-
IAH
28h 05m
2 stops
$355Frontier
Wed, Aug 26 - Thu, Aug 27
Frontier Logo
8:57 am - 6:14 pm
IAH
-
ISP
8h 17m
1 stop
Frontier Logo
7:09 pm - 12:49 pm
ISP
-
IAH
18h 40m
2 stops
$361Frontier
Thu, Sep 3 - Mon, Sep 7
JetBlue Logo
1:00 pm - 9:49 pm
IAH
-
ISP
7h 49m
1 stop
JetBlue Logo
6:00 am - 3:47 pm
ISP
-
IAH
10h 47m
1 stop
$377JetBlue
Tue, Aug 25 - Mon, Aug 31
Frontier Logo
9:33 am - 8:00 pm
IAH
-
ISP
9h 27m
1 stop
Frontier Logo
8:55 pm - 8:38 am
ISP
-
IAH
12h 43m
1 stop
$386Frontier
Fri, Oct 23 - Sun, Oct 25

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JetBlue flights from Houston George Bush Intcntl Airport to Islip, New York

Our best JetBlue deals on Houston George Bush Intcntl Airport to Islip, New York flight tickets
JetBlue
Aug 25
IAH1:00 pmHouston George Bush Intcntl
7h 49m
1 stop
ISP9:49 pmIslip Long Island
Aug 31
ISP6:00 amIslip Long Island
10h 47m
1 stop
IAH3:47 pmHouston George Bush Intcntl
$377
JetBlue
Aug 27
IAH1:00 pmHouston George Bush Intcntl
7h 49m
1 stop
ISP9:49 pmIslip Long Island
Aug 31
ISP6:00 amIslip Long Island
6h 47m
1 stop
IAH11:47 amHouston George Bush Intcntl
$416
JetBlue
Aug 4
IAH1:00 pmHouston George Bush Intcntl
7h 44m
1 stop
ISP9:44 pmIslip Long Island
Aug 6
ISP6:00 amIslip Long Island
6h 47m
1 stop
IAH11:47 amHouston George Bush Intcntl
$421

Frontier flights from Houston George Bush Intcntl Airport to Islip, New York

Our best Frontier deals on Houston George Bush Intcntl Airport to Islip, New York flight tickets
Frontier
Sep 17
IAH12:21 pmHouston George Bush Intcntl
20h 12m
1 stop
ISP9:33 amIslip Long Island
Sep 21
ISP4:13 pmIslip Long Island
29h 47m
1 stop
IAH9:00 pmHouston George Bush Intcntl
$242
Frontier
Aug 26
IAH1:45 pmHouston George Bush Intcntl
19h 08m
1 stop
ISP9:53 amIslip Long Island
Aug 27
ISP7:09 pmIslip Long Island
22h 05m
1 stop
IAH4:14 pmHouston George Bush Intcntl
$264
Frontier
Sep 3
IAH8:57 amHouston George Bush Intcntl
8h 17m
1 stop
ISP6:14 pmIslip Long Island
Sep 7
ISP10:57 amIslip Long Island
28h 35m
1 stop
IAH2:32 pmHouston George Bush Intcntl
$293

momondo Fare Finder

 
Customize your flight search to find flights from Houston George Bush Intcntl Airport to Islip, New York 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, momondo users made 832,500 searches. Data last updated July 16, 2026.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Islip, New York that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Thu 9/17

12:21 pm-9:33 am

1 stop20h 12m

Islip Long Island

Mon 9/21

4:13 pm-9:00 pm

1 stop29h 47m

$242

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Wed 8/26

1:45 pm-9:53 am

1 stop19h 08m

Islip Long Island

Thu 8/27

7:09 pm-4:14 pm

1 stop22h 05m

$264

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Thu 9/17

4:39 pm-9:33 am

1 stop15h 54m

Islip Long Island

Mon 9/21

11:52 am-3:05 pm

2 stops28h 13m

$281

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Thu 9/3

8:57 am-6:14 pm

1 stop8h 17m

Islip Long Island

Mon 9/7

10:57 am-2:32 pm

1 stop28h 35m

$293

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Thu 8/13

7:23 pm-9:53 am

1 stop13h 30m

Islip Long Island

Wed 8/19

11:57 am-8:02 am

2 stops21h 05m

$319

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Thu 8/13

7:23 pm-9:53 am

1 stop13h 30m

Islip Long Island

Wed 8/19

10:57 am-8:02 am

1 stop22h 05m

$335

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Wed 8/26

1:45 pm-9:53 am

1 stop19h 08m

Islip Long Island

Thu 8/27

7:09 pm-10:14 pm

2 stops28h 05m

$355

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Thu 9/3

8:57 am-6:14 pm

1 stop8h 17m

Islip Long Island

Mon 9/7

7:09 pm-12:49 pm

2 stops18h 40m

$361
Quickest round-trip

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Tue 8/25

1:00 pm-9:49 pm

1 stop7h 49m

Islip Long Island

Mon 8/31

6:00 am-3:47 pm

1 stop10h 47m

$377

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Fri 10/23

9:33 am-8:00 pm

1 stop9h 27m

Islip Long Island

Sun 10/25

8:55 pm-8:38 am

1 stop12h 43m

$386

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to New York from

How to get the cheapest flight ticket from Houston George Bush Intcntl Airport to Islip, New York

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 airline that flies from Houston George Bush Intcntl to Islip Long Island?

Frontier and JetBlue are the most popular carriers operating from Houston George Bush Intcntl to Islip Long Island

What airlines fly to Islip, New York?

United Airlines, Delta and JetBlue are the top three most popular airlines that fly to Islip, New York from Houston George Bush Intcntl Airport according to our data. United Airlines is the first choice among our users, with 69% of people opting to fly with this airline when traveling to Islip, New York. Keep in mind that there are 5 different airlines that fly to Islip, New York on a routine basis, so you have a few additional options to choose from.

When to book flights from Houston George Bush Intcntl Airport to Islip, New York

Are you open to changing your travel dates? Check out the ideal times to fly from Houston George Bush Intcntl Airport to Islip, New York according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Houston George Bush Intcntl Airport to Islip, New York (IAH to ISP) flight deals and tips

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

Fastest flight time

7h 32m

Direct flights

None
The fastest flight from Houston George Bush Intcntl Airport to Islip, New York takes 7h 32m
There are no direct flights from Houston George Bush Intcntl Airport to Islip, New York. There are no popular flight routes from Houston George Bush Intcntl Airport to Islip, New York.
Search flight deals

Frequently asked questions about flying from Houston George Bush Intcntl Airport to Islip, New York

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

    The distance between Houston George Bush Intcntl and Islip Long Island is about 1444.1 mi. Typically, this will take 7h 32m by plane in normal conditions.

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

    Prices for flights from Houston George Bush Intcntl Airport to Islip Long Island Airport refresh daily.

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Houston George Bush Intcntl Airport to Islip Long Island Airport.

  • What documentation or ID do you need to fly to Islip Long Island Airport?

    The necessary travel and health documents for your Islip Long Island Airport 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.

Traveling to a place near New York?

Book flights to New York if you plan to visit one of these locations
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Why use momondo?

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

Finding the right flight to Islip from Houston is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Islip quick and easy, saving you time and money.

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

momondo does allow users to show only those flights to Islip from Houston which offer a flexible booking policy as well as other useful filters and features.

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

momondo provides multiple filters to help you find the best flight to Islip from Houston. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for Houston to Islip flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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