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Cheap flights from Houston George Bush Intcntl Airport to New York from $145

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 11/4. 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
0 bags

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Find the cheapest flights from Houston George Bush Intcntl Airport to New York (IAH-ISP)

Cheap round-trip flights

Frontier Logo
8:37 pm - 10:37 amIAH-ISP
13h 00m1 stop
Frontier Logo
9:47 pm - 7:04 amISP-IAH
10h 17m1 stop
$158Frontier
Find Deal
Fri, Oct 17 - Sun, Oct 19
Frontier Logo
8:37 pm - 10:37 amIAH-ISP
13h 00m1 stop
Frontier Logo
9:49 am - 4:43 pmISP-IAH
7h 54m1 stop
$160Frontier
Find Deal
Fri, Oct 17 - Mon, Oct 20
Frontier Logo
9:20 pm - 9:04 amIAH-ISP
10h 44m1 stop
Frontier Logo
9:49 am - 4:09 pmISP-IAH
7h 20m1 stop
$162Frontier
Find Deal
Thu, Oct 2 - Sun, Oct 5
Frontier Logo
5:42 pm - 10:37 amIAH-ISP
15h 55m2 stops
Frontier Logo
9:47 pm - 7:04 amISP-IAH
10h 17m1 stop
$191Frontier
Find Deal
Fri, Oct 17 - Sun, Oct 19
Frontier Logo
12:35 pm - 8:59 amIAH-ISP
19h 24m2 stops
Frontier Logo
9:49 am - 4:43 pmISP-IAH
7h 54m1 stop
$196Frontier
Find Deal
Sat, Oct 18 - Mon, Oct 20
Logo
5:57 pm - 11:00 amIAH-ISP
16h 03m2 stops
Logo
5:05 pm - 8:33 amISP-IAH
16h 28m1 stop
$225
Find Deal
Sat, Oct 4 - Mon, Oct 6
Frontier Logo
9:08 pm - 9:04 amIAH-ISP
10h 56m2 stops
Frontier Logo
5:05 pm - 10:29 amISP-IAH
18h 24m2 stops
$245Frontier
Find Deal
Sat, Oct 4 - Mon, Oct 6
Frontier Logo
8:05 am - 9:04 amIAH-ISP
23h 59m2 stops
Frontier Logo
9:37 pm - 11:40 amISP-IAH
39h 03m2 stops
$267Frontier
Find Deal
Wed, Oct 8 - Thu, Oct 9
Frontier Logo
8:37 pm - 10:37 amIAH-ISP
13h 00m1 stop
Frontier Logo
9:47 pm - 7:04 amISP-IAH
10h 17m1 stop
$269Frontier
Find Deal
Fri, Oct 10 - Sun, Oct 12
Logo
5:57 pm - 9:04 amIAH-ISP
14h 07m1 stop
Logo
5:05 pm - 8:33 amISP-IAH
16h 28m1 stop
$288
Find Deal
Sat, Oct 4 - Mon, Oct 6

Frontier flights from Houston George Bush Intcntl Airport to Islip

Our best Frontier deals on Houston George Bush Intcntl Airport to Islip flight tickets
Frontier
Oct 17
IAH8:37 pmHouston George Bush Intcntl
13h 00m
1 stop
ISP10:37 amIslip Long Island
Oct 19
ISP9:47 pmIslip Long Island
10h 17m
1 stop
IAH7:04 amHouston George Bush Intcntl
$158
Find similar
Frontier
Oct 17
IAH8:37 pmHouston George Bush Intcntl
13h 00m
1 stop
ISP10:37 amIslip Long Island
Oct 20
ISP9:49 amIslip Long Island
7h 54m
1 stop
IAH4:43 pmHouston George Bush Intcntl
$160
Find similar
Frontier
Oct 2
IAH9:20 pmHouston George Bush Intcntl
10h 44m
1 stop
ISP9:04 amIslip Long Island
Oct 5
ISP9:49 amIslip Long Island
7h 20m
1 stop
IAH4:09 pmHouston George Bush Intcntl
$162
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Houston George Bush Intcntl Airport to Islip 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 September 10, 2025.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Islip that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Fri 10/17

8:37 pm-10:37 am

1 stop13h 00m

Islip Long Island

Sun 10/19

9:47 pm-7:04 am

1 stop10h 17m

$158

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Fri 10/17

8:37 pm-10:37 am

1 stop13h 00m

Islip Long Island

Mon 10/20

9:49 am-4:43 pm

1 stop7h 54m

$160

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Thu 10/2

9:20 pm-9:04 am

1 stop10h 44m

Islip Long Island

Sun 10/5

9:49 am-4:09 pm

1 stop7h 20m

$162

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Fri 10/17

5:42 pm-10:37 am

2 stops15h 55m

Islip Long Island

Sun 10/19

9:47 pm-7:04 am

1 stop10h 17m

$191

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Sat 10/18

12:35 pm-8:59 am

2 stops19h 24m

Islip Long Island

Mon 10/20

9:49 am-4:43 pm

1 stop7h 54m

$196

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Sat 10/4

5:57 pm-11:00 am

2 stops16h 03m

Islip Long Island

Mon 10/6

5:05 pm-8:33 am

1 stop16h 28m

$225

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Sat 10/4

9:08 pm-9:04 am

2 stops10h 56m

Islip Long Island

Mon 10/6

5:05 pm-10:29 am

2 stops18h 24m

$245

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Wed 10/8

8:05 am-9:04 am

2 stops23h 59m

Islip Long Island

Thu 10/9

9:37 pm-11:40 am

2 stops39h 03m

$267

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Fri 10/10

8:37 pm-10:37 am

1 stop13h 00m

Islip Long Island

Sun 10/12

9:47 pm-7:04 am

1 stop10h 17m

$269

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Sat 10/4

5:57 pm-9:04 am

1 stop14h 07m

Islip Long Island

Mon 10/6

5:05 pm-8:33 am

1 stop16h 28m

$288

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

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?

On average, the least expensive day to fly to Islip from Houston George Bush Intcntl Airport is on a Thursday. momondo users have found tickets for Thursday departures for as low as $375. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Houston George Bush Intcntl Airport to Islip on a Tuesday will generally be more expensive and average around $601. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Flying to Islip 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 in the afternoon are often more expensive with an average ticket price of $396.

When to book flights from Houston George Bush Intcntl Airport to Islip

Are you open to changing your travel dates? Check out the ideal times to fly from Houston George Bush Intcntl Airport to Islip 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 (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

Direct flights

None
There are no direct flights from Houston George Bush Intcntl Airport to Islip. There are no popular flight routes from Houston George Bush Intcntl Airport to Islip.
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 5h 53m 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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