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Cheap flights from Houston George Bush Intcntl Airport to New York from $103

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 11/10. 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
8:07 pm - 7:34 pmIAH-ISP
22h 27m1 stop
Frontier Logo
6:00 am - 6:29 pmISP-IAH
13h 29m1 stop
$137Frontier
Find Deal
Mon, Dec 8 - Wed, Dec 10
Frontier Logo
10:28 am - 10:37 amIAH-ISP
23h 09m1 stop
Frontier Logo
11:40 am - 2:36 pmISP-IAH
27h 56m1 stop
$162Frontier
Find Deal
Tue, Nov 11 - Sat, Nov 15
Multiple Airlines Logo
3:45 pm - 9:07 amIAH-ISP
16h 22m1 stop
Multiple Airlines Logo
6:00 am - 6:29 pmISP-IAH
13h 29m1 stop
$184Multiple Airlines
Find Deal
Wed, Nov 26 - Wed, Dec 3
Frontier Logo
10:28 am - 5:42 pmIAH-ISP
6h 14m1 stop
Frontier Logo
8:47 am - 9:39 amISP-IAH
25h 52m1 stop
$206Frontier
Find Deal
Tue, Nov 18 - Sat, Nov 22
Frontier Logo
8:08 pm - 9:07 amIAH-ISP
11h 59m1 stop
Frontier Logo
6:00 am - 8:53 pmISP-IAH
15h 53m2 stops
$214Frontier
Find Deal
Wed, Nov 26 - Wed, Dec 3
Frontier Logo
8:07 pm - 9:13 amIAH-ISP
12h 06m1 stop
Frontier Logo
11:15 am - 6:34 pmISP-IAH
8h 19m1 stop
$229Frontier
Find Deal
Wed, Dec 10 - Sun, Dec 14
Frontier Logo
8:08 pm - 10:37 amIAH-ISP
13h 29m1 stop
Frontier Logo
11:03 am - 9:39 amISP-IAH
23h 36m1 stop
$246Frontier
Find Deal
Thu, Nov 20 - Sun, Nov 23
Multiple Airlines Logo
2:41 pm - 11:59 pmIAH-ISP
32h 18m2 stops
Multiple Airlines Logo
10:19 am - 10:43 pmISP-IAH
13h 24m1 stop
$255Multiple Airlines
Find Deal
Thu, Dec 11 - Mon, Dec 15
Frontier Logo
8:08 pm - 9:07 amIAH-ISP
11h 59m1 stop
Frontier Logo
6:00 am - 6:29 pmISP-IAH
13h 29m1 stop
$273Frontier
Find Deal
Wed, Nov 26 - Wed, Dec 3
Frontier Logo
9:34 pm - 12:42 pmIAH-ISP
14h 08m1 stop
Frontier Logo
8:35 pm - 7:21 amISP-IAH
11h 46m1 stop
$306Frontier
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Thu, Dec 18 - Sun, Dec 21

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
Dec 8
IAH8:07 pmHouston George Bush Intcntl
22h 27m
1 stop
ISP7:34 pmIslip Long Island
Dec 10
ISP6:00 amIslip Long Island
13h 29m
1 stop
IAH6:29 pmHouston George Bush Intcntl
$137
Find similar
Frontier
Nov 11
IAH10:28 amHouston George Bush Intcntl
23h 09m
1 stop
ISP10:37 amIslip Long Island
Nov 15
ISP11:40 amIslip Long Island
27h 56m
1 stop
IAH2:36 pmHouston George Bush Intcntl
$162
Find similar
Frontier
Nov 6
IAH8:06 amHouston George Bush Intcntl
23h 48m
1 stop
ISP8:54 amIslip Long Island
Nov 10
ISP9:54 amIslip Long Island
6h 42m
1 stop
IAH3:36 pmHouston George Bush Intcntl
$194
Find similar

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 October 31, 2025.
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

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Mon 12/8

8:07 pm-7:34 pm

1 stop22h 27m

Islip Long Island

Wed 12/10

6:00 am-6:29 pm

1 stop13h 29m

$137

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Tue 11/11

10:28 am-10:37 am

1 stop23h 09m

Islip Long Island

Sat 11/15

11:40 am-2:36 pm

1 stop27h 56m

$162

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Wed 11/26

3:45 pm-9:07 am

1 stop16h 22m

Islip Long Island

Wed 12/3

6:00 am-6:29 pm

1 stop13h 29m

$184

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Tue 11/18

10:28 am-5:42 pm

1 stop6h 14m

Islip Long Island

Sat 11/22

8:47 am-9:39 am

1 stop25h 52m

$206

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Wed 11/26

8:08 pm-9:07 am

1 stop11h 59m

Islip Long Island

Wed 12/3

6:00 am-8:53 pm

2 stops15h 53m

$214

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Wed 12/10

8:07 pm-9:13 am

1 stop12h 06m

Islip Long Island

Sun 12/14

11:15 am-6:34 pm

1 stop8h 19m

$229

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Thu 11/20

8:08 pm-10:37 am

1 stop13h 29m

Islip Long Island

Sun 11/23

11:03 am-9:39 am

1 stop23h 36m

$246

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Thu 12/11

2:41 pm-11:59 pm

2 stops32h 18m

Islip Long Island

Mon 12/15

10:19 am-10:43 pm

1 stop13h 24m

$255

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Wed 11/26

8:08 pm-9:07 am

1 stop11h 59m

Islip Long Island

Wed 12/3

6:00 am-6:29 pm

1 stop13h 29m

$273

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Thu 12/18

9:34 pm-12:42 pm

1 stop14h 08m

Islip Long Island

Sun 12/21

8:35 pm-7:21 am

1 stop11h 46m

$306

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 day to depart on your flight to Islip, New York?

The cheapest day to depart from Houston George Bush Intcntl Airport to Islip, New York is on a Thursday. Travelers who choose to depart for Islip, New York on a Thursday will often find tickets for as low as $375. The most expensive day to fly to Islip, New York is Tuesday, with ticket prices averaging around $601.

What is the cheapest time of day to depart on your flight to Islip, New York?

Flying to Islip, New York from Houston George Bush Intcntl Airport in the morning is the least expensive time of day to depart. momondo users have found prices as low as $370 when looking at flights departing in the morning. Flights to Islip, New York are more costly in the afternoon, with an average ticket price of $396. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

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

Direct flights

None
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.
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  • 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 14m 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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