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Cheap flights from Houston George Bush Intcntl Airport to New York from $101

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 4/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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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
6:57 pm - 9:13 am
IAH
-
ISP
13h 16m
1 stop
Frontier Logo
4:07 pm - 1:06 pm
ISP
-
IAH
21h 59m
1 stop
$160Frontier
Sat, Apr 18 - Fri, Apr 24
Frontier Logo
8:06 pm - 9:28 am
IAH
-
ISP
12h 22m
1 stop
Frontier Logo
11:00 am - 6:49 pm
ISP
-
IAH
8h 49m
1 stop
$205Frontier
Sun, Apr 26 - Sat, May 9
Frontier Logo
7:44 pm - 10:05 am
IAH
-
ISP
13h 21m
1 stop
Frontier Logo
4:41 pm - 8:47 am
ISP
-
IAH
17h 06m
1 stop
$210Frontier
Fri, Jun 5 - Tue, Jun 9
Multiple Airlines Logo
4:27 pm - 11:10 am
IAH
-
ISP
17h 43m
1 stop
Multiple Airlines Logo
4:07 pm - 4:54 pm
ISP
-
IAH
25h 47m
2 stops
$245Multiple Airlines
Fri, Apr 24 - Mon, Apr 27
Multiple Airlines Logo
4:27 pm - 11:10 am
IAH
-
ISP
17h 43m
1 stop
Multiple Airlines Logo
4:07 pm - 8:38 am
ISP
-
IAH
17h 31m
1 stop
$258Multiple Airlines
Fri, Apr 24 - Mon, Apr 27
Frontier Logo
12:14 pm - 1:26 am
IAH
-
ISP
12h 12m
1 stop
Frontier Logo
7:59 pm - 7:02 am
ISP
-
IAH
12h 03m
1 stop
$281Frontier
Thu, Apr 9 - Sun, Apr 12
Frontier Logo
7:44 pm - 10:05 am
IAH
-
ISP
13h 21m
1 stop
Frontier Logo
11:00 am - 8:50 am
ISP
-
IAH
22h 50m
1 stop
$306Frontier
Fri, May 29 - Sun, May 31
Multiple Airlines Logo
8:50 pm - 10:05 am
IAH
-
ISP
36h 15m
2 stops
Multiple Airlines Logo
11:00 am - 7:33 am
ISP
-
IAH
21h 33m
1 stop
$313Multiple Airlines
Mon, May 25 - Sat, May 30
Multiple Airlines Logo
1:58 pm - 9:28 am
IAH
-
ISP
18h 30m
1 stop
Multiple Airlines Logo
11:57 am - 8:50 am
ISP
-
IAH
21h 53m
2 stops
$333Multiple Airlines
Sun, Apr 26 - Sat, May 9
Frontier Logo
7:44 pm - 5:17 pm
IAH
-
ISP
20h 33m
1 stop
Frontier Logo
11:00 am - 8:50 am
ISP
-
IAH
22h 50m
1 stop
$346Frontier
Mon, May 25 - Sat, May 30

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
Apr 18
IAH6:57 pmHouston George Bush Intcntl
13h 16m
1 stop
ISP9:13 amIslip Long Island
Apr 24
ISP4:07 pmIslip Long Island
21h 59m
1 stop
IAH1:06 pmHouston George Bush Intcntl
$160
Frontier
Apr 26
IAH8:06 pmHouston George Bush Intcntl
12h 22m
1 stop
ISP9:28 amIslip Long Island
May 9
ISP11:00 amIslip Long Island
8h 49m
1 stop
IAH6:49 pmHouston George Bush Intcntl
$205
Frontier
Jun 5
IAH7:44 pmHouston George Bush Intcntl
13h 21m
1 stop
ISP10:05 amIslip Long Island
Jun 9
ISP4:41 pmIslip Long Island
17h 06m
1 stop
IAH8:47 amHouston George Bush Intcntl
$210

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 March 30, 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

Sat 4/18

6:57 pm-9:13 am

1 stop13h 16m

Islip Long Island

Fri 4/24

4:07 pm-1:06 pm

1 stop21h 59m

$160
Quickest round-trip

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Sun 4/26

8:06 pm-9:28 am

1 stop12h 22m

Islip Long Island

Sat 5/9

11:00 am-6:49 pm

1 stop8h 49m

$205

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Fri 6/5

7:44 pm-10:05 am

1 stop13h 21m

Islip Long Island

Tue 6/9

4:41 pm-8:47 am

1 stop17h 06m

$210

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Fri 4/24

4:27 pm-11:10 am

1 stop17h 43m

Islip Long Island

Mon 4/27

4:07 pm-4:54 pm

2 stops25h 47m

$245

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Fri 4/24

4:27 pm-11:10 am

1 stop17h 43m

Islip Long Island

Mon 4/27

4:07 pm-8:38 am

1 stop17h 31m

$258

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Thu 4/9

12:14 pm-1:26 am

1 stop12h 12m

Islip Long Island

Sun 4/12

7:59 pm-7:02 am

1 stop12h 03m

$281

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Fri 5/29

7:44 pm-10:05 am

1 stop13h 21m

Islip Long Island

Sun 5/31

11:00 am-8:50 am

1 stop22h 50m

$306

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Mon 5/25

8:50 pm-10:05 am

2 stops36h 15m

Islip Long Island

Sat 5/30

11:00 am-7:33 am

1 stop21h 33m

$313

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Sun 4/26

1:58 pm-9:28 am

1 stop18h 30m

Islip Long Island

Sat 5/9

11:57 am-8:50 am

2 stops21h 53m

$333

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Mon 5/25

7:44 pm-5:17 pm

1 stop20h 33m

Islip Long Island

Sat 5/30

11:00 am-8:50 am

1 stop22h 50m

$346

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 is the most popular carrier operating from Houston George Bush Intcntl to Islip Long Island

What airlines fly to Islip, New York?

United Airlines, Spirit Airlines and Delta 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 42% of people opting to fly with this airline when traveling to Islip, New York. Keep in mind that there are 6 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

6h 13m

Direct flights

None
The fastest flight from Houston George Bush Intcntl Airport to Islip, New York takes 6h 13m
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

  • 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 6h 13m 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.

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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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