HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news

$76+ Cheap flights from George Bush Intcntl (IAH) to Islip (ISP)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/24. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — ISP
jul. 30 — ago. 61
From?
To?
mar. 7/30
mar. 8/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Leverage Cheapflights for Your Next Trip

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from George Bush Intcntl to Islip

Discover tips and strategies to find the most affordable flight options for your journey from George Bush Intcntl (IAH) to Islip (ISP). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated julio 25, 2024.

Round-trip from

$140
(mytrip.com)

One-way from

$76
(Frontier)
From Houston George Bush Intcntl to Islip Long Island
Search Deals
One-way flight from Houston George Bush Intcntl to Islip Long Island
Search Deals

How far in advance should I book a flight from Houston George Bush Intcntl Airport to Islip, New York?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 35 days in advance, which can save you up to 101% on flights from Houston George Bush Intcntl Airport to Islip, New York compared to booking the week you need them. Waiting 35 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $268. For sooner than that we have options available in the next 3 days from $373.

What is the cheapest month to fly from Houston George Bush Intcntl Airport to Islip, New York?

February is one of the best times of the year to fly to Islip, New York from Houston George Bush Intcntl Airport. Prices for February average $239 per person but you can even find prices for as low as $97. The most expensive prices can be found in the month of December. Opting for a February flight can save you 27% on your journey compared to booking in December

What is the cheapest time of day to fly from IAH to ISP?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Houston George Bush Intcntl Airport to Islip, New York as you normally would.

Cheap George Bush Intcntl to Islip flights in July & August 2024

Find cheap flight options from George Bush Intcntl to Islip specifically for the months of July and August 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,752,877 searches. Prices were last updated on julio 25, 2024.
This mytrip.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/154:55 pmIAH - ISP
1 stop14h 44mFrontier
jue. 8/225:24 pmISP - IAH
1 stop18h 00mFrontier
Deal found 7/25$146
This Frontier deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/88:34 amIAH - ISP
1 stop10h 25mFrontier
jue. 8/159:44 pmISP - IAH
1 stop10h 45mFrontier
Deal found 7/25$153
This Frontier deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/308:20 pmIAH - ISP
1 stop10h 38mFrontier
mar. 8/611:24 amISP - IAH
1 stop5h 54mFrontier
Deal found 7/25$324
This KAYAK deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/151:19 pmIAH - ISP
2 stops26h 48mMultiple Airlines
jue. 8/221:05 pmISP - IAH
2 stops12h 47mMultiple Airlines
Deal found 7/25$358
This KAYAK deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/18:34 amIAH - ISP
1 stop10h 25mFrontier
dom. 8/410:49 amISP - IAH
1 stop10h 20mFrontier
Deal found 7/25$664

George Bush Intcntl to Islip 2024 flight deals

Discover exclusive flight deals for travel between George Bush Intcntl and Islip in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,752,877 searches. Data last updated julio 25, 2024.
This mytrip.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/154:55 pmIAH - ISP
1 stop14h 44mFrontier
jue. 8/225:24 pmISP - IAH
1 stop18h 00mFrontier
Deal found 7/25$146
This Frontier deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/88:34 amIAH - ISP
1 stop10h 25mFrontier
jue. 8/159:44 pmISP - IAH
1 stop10h 45mFrontier
Deal found 7/25$153
This Frontier deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/308:20 pmIAH - ISP
1 stop10h 38mFrontier
mar. 8/611:24 amISP - IAH
1 stop5h 54mFrontier
Deal found 7/25$324
This KAYAK deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/151:19 pmIAH - ISP
2 stops26h 48mMultiple Airlines
jue. 8/221:05 pmISP - IAH
2 stops12h 47mMultiple Airlines
Deal found 7/25$358
This KAYAK deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/1211:04 amIAH - ISP
2 stops27h 21mMultiple Airlines
lun. 9/164:05 pmISP - IAH
1 stop29h 41mMultiple Airlines
Deal found 7/24$390
This KAYAK deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/1211:04 amIAH - ISP
2 stops27h 21mMultiple Airlines
lun. 9/164:05 pmISP - IAH
2 stops26h 17mMultiple Airlines
Deal found 7/24$413
This KAYAK deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/18:34 amIAH - ISP
1 stop10h 25mFrontier
dom. 8/410:49 amISP - IAH
1 stop10h 20mFrontier
Deal found 7/25$664

George Bush Intcntl to Islip flights leaving soon

Find last-minute flight options from George Bush Intcntl to Islip for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,752,877 searches. Data last updated julio 25, 2024.
This Frontier deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/308:20 pmIAH - ISP
1 stop10h 38mFrontier
mar. 8/611:24 amISP - IAH
1 stop5h 54mFrontier
Deal found 7/25$324
This KAYAK deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/18:34 amIAH - ISP
1 stop10h 25mFrontier
dom. 8/410:49 amISP - IAH
1 stop10h 20mFrontier
Deal found 7/25$664

One-way flights to Islip from George Bush Intcntl

Search for one-way flight options from George Bush Intcntl to Islip. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,752,877 searches. Data last updated julio 25, 2024.
This Frontier deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/249:17 pmIAH - ISP
1 stop10h 20mFrontier
Deal found 7/24$76
This Frontier deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/79:41 pmIAH - ISP
1 stop9h 58mFrontier
Deal found 7/24$83
This Frontier deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/18:34 amIAH - ISP
1 stop10h 25mFrontier
Deal found 7/23$106
This KAYAK deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/319:41 pmIAH - ISP
1 stop9h 58mFrontier
Deal found 7/24$191
This Trip.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/305:00 amIAH - ISP
1 stop10h 14mMultiple Airlines
Deal found 7/24$256
This Frontier deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/26:13 pmIAH - ISP
1 stop13h 13mFrontier
Deal found 7/25$430

Find flights from George Bush Intcntl to Islip within your budget

Customize your flight search to find flights from George Bush Intcntl 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, Cheapflights users made 2,752,877 searches. Data last updated julio 25, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$140 - $413

Route

Depart

Return

Price

Houston George Bush IntcntlIslip Long Island

IAH - ISP

IAHISP

Houston George Bush Intcntl

mié. 8/21

1 stop20h 08m

Islip Long Island

mié. 8/28

1 stop24h 20m

$140

Houston George Bush IntcntlIslip Long Island

IAH - ISP

IAHISP

Houston George Bush Intcntl

jue. 10/31

1 stop12h 43m

Islip Long Island

lun. 11/4

1 stop24h 48m

$150

Houston George Bush IntcntlIslip Long Island

IAH - ISP

IAHISP

Houston George Bush Intcntl

lun. 8/12

1 stop25h 40m

Islip Long Island

sáb. 8/17

1 stop17h 55m

$152

Houston George Bush IntcntlIslip Long Island

IAH - ISP

IAHISP

Houston George Bush Intcntl

jue. 9/12

1 stop20h 33m

Islip Long Island

lun. 9/16

1 stop26h 04m

$153

Houston George Bush IntcntlIslip Long Island

IAH - ISP

IAHISP

Houston George Bush Intcntl

vie. 11/1

1 stop13h 13m

Islip Long Island

mar. 11/5

1 stop7h 05m

$155

Houston George Bush IntcntlIslip Long Island

IAH - ISP

IAHISP

Houston George Bush Intcntl

mié. 8/7

1 stop9h 58m

Islip Long Island

mié. 8/14

1 stop8h 22m

$211

Houston George Bush IntcntlIslip Long Island

IAH - ISP

IAHISP

Houston George Bush Intcntl

vie. 10/18

1 stop13h 13m

Islip Long Island

sáb. 10/26

1 stop8h 13m

$215

Houston George Bush IntcntlIslip Long Island

IAH - ISP

IAHISP

Houston George Bush Intcntl

jue. 9/12

2 stops27h 21m

Islip Long Island

lun. 9/16

1 stop29h 41m

$390

Houston George Bush IntcntlIslip Long Island

IAH - ISP

IAHISP

Houston George Bush Intcntl

jue. 9/12

2 stops27h 21m

Islip Long Island

lun. 9/16

2 stops26h 17m

$413

Flights are sorted by cheapest first

Deals found on 7/24

No data available for this route at this time. Please check back soon.

Best time to book a flight from George Bush Intcntl to Islip

Have a flexible travel schedule? Discover the best time to fly to Islip from George Bush Intcntl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Temperature and rainfall in Islip by month

Plan your trip to Islip by taking into account the average temperature and rainfall totals by month.

NYC

Temperature

33.8 - 77 °F

If weather is an important factor for your trip to Islip, New York, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Islip

Get insights into the airlines that provide service to Islip. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Islip. Reviews last updated julio 25, 2024.
Frontier
6.2
Okay
3,835 reviews

Boarding

6.5

Entertainment

4.8

Crew

7.0

Food

5.1

Comfort

5.8

Overall

6.2

Reviews

1 / 10

I'd thought there would be a complimentary drink atleast.

Frontier
6.2
Okay
3,835 reviews
Frontier
6.2
Okay
3,835 reviews

Boarding

6.5

Entertainment

4.8

Crew

7.0

Food

5.1

Comfort

5.8

Overall

6.2

Reviews

1 / 10

I'd thought there would be a complimentary drink atleast.

Related info for your journey

Find useful and relevant information for your journey from George Bush Intcntl to Islip. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Islip from Houston George Bush Intcntl?

    Located just 7.2 mi from the city center, Islip Long Island is the airport most travelers will use when flying to Islip from Houston George Bush Intcntl. Booking flights from Houston George Bush Intcntl to Long Island (ISP) should be relatively easy as there are 0 daily inbound flights from Houston George Bush Intcntl from 0 different airlines.

  • Can I find flights from Houston George Bush Intcntl Airport to Islip, New York for under $200 on Cheapflights?

    Yes, there are multiple flights from Houston George Bush Intcntl Airport to Islip, New York for under $200. The cheapest flight booked recently is on Frontier for just $140, but on average you can expect to pay $219.

  • Are there last-minute flights available from Houston George Bush Intcntl Airport to Islip, New York for under $400?

    There are currently 2+ open flights from Houston George Bush Intcntl Airport to Islip, New York within the next 7 days for less than $400.

  • What is the cheapest airline to fly from Houston George Bush Intcntl Airport to Islip, New York round-trip?

    According to our current data, Frontier ($140), offers the cheapest pricing from Houston George Bush Intcntl Airport to Islip, New York.

  • What does IAH to ISP mean?

    IAH and ISP are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. IAH to ISP refers to a flight route from Houston George Bush Intcntl Airport to Islip Long Island Airport.

  • Can I find deals for flights from George Bush Intcntl to Islip that include extra baggage allowance?

    The amount of baggage you can bring on your George Bush Intcntl to Islip flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from George Bush Intcntl to Islip with specific airlines?

    Yes, Cheapflights allows you to browse and filter George Bush Intcntl to Islip flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from George Bush Intcntl to Islip that include hotel bookings?

    Yes. In addition to deals on George Bush Intcntl to Islip flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from George Bush Intcntl to Islip?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from George Bush Intcntl to Islip.

  • Can I find deals for business class flights from George Bush Intcntl to Islip?

    Yes. Cheapflights offers flight deals from George Bush Intcntl to Islip by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from George Bush Intcntl to Islip that allow pets onboard?

    Many airlines flying from George Bush Intcntl to Islip offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from George Bush Intcntl to Islip?

    Yes, you can often find last-minute deals on George Bush Intcntl to Islip flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Houston George Bush Intcntl Airport to Islip, New York flight deals updated?

    The Houston George Bush Intcntl Airport to Islip, New York flight deals you see on this page were last updated on 7/25.

  • What is the cheapest month to book a flight from Houston George Bush Intcntl Airport to Islip, New York?

    Currently, December is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Islip, New York (average of $78). Flying from Houston George Bush Intcntl Airport to Islip, New York in July is currently the most expensive (average of $173). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for George Bush Intcntl to Islip
See prices for flight routes from nearby airports that may be better suited for you.

Hobby to LaGuardia flights
Hobby to Newark flights
Hobby to John F Kennedy Intl flights
George Bush Intcntl to LaGuardia flights
George Bush Intcntl to Newark flights
George Bush Intcntl to John F Kennedy Intl flights
Hobby to Buffalo flights
George Bush Intcntl to Buffalo flights
Hobby to Syracuse flights
George Bush Intcntl to Syracuse flights
Hobby to White Plains flights
George Bush Intcntl to White Plains flights
Hobby to Albany flights
Hobby to Rochester flights
George Bush Intcntl to Rochester flights
George Bush Intcntl to Albany flights
Hobby to Ithaca flights
Hobby to Islip flights
George Bush Intcntl to Ithaca flights
George Bush Intcntl to Binghamton flights
Hobby to Binghamton flights
Hobby to Elmira flights
George Bush Intcntl to Elmira flights
George Bush Intcntl to Stewart flights
George Bush Intcntl to Watertown flights
George Bush Intcntl to Plattsburgh flights
Hobby to Niagara Falls flights
Hobby to Watertown flights
Los Angeles to Phoenix flights
San Diego to Phoenix flights
New York to San Francisco flights
Denver to Las Vegas flights
Reno to Las Vegas flights
Denver to Atlanta flights
Fort Lauderdale to Tampa flights
New York to Pittsburgh flights
Chicago to Orlando flights
USA to France flights
Fort Lauderdale to Key West flights
Houston George Bush Intcntl Airport to Istanbul Airport flights

Search flights from George Bush Intcntl to Islip by cabin class

Find flights from George Bush Intcntl to Islip, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to Abha
Flights to Komatsu
Flights to Skardu
Flights to Laayoune Hassan I
Flights to Aqaba King Hussein Intl
Flights to Nampula
Flights to Bourgas
Flights to Riverton
Flights to Alpena Phelps/Collins
Flights to Palmas
Flights to Newport State
Flights to Antofagasta Cerro Moreno
Flights to Nuku‘alofa Fua'Amotu Intl
Flights to Ndola
Flights to Fort Dodge
Flights to Miri
Flights to Rhinelander Oneida County
Flights to Seattle Lake Union Spb
Flights to Portsmouth Pease Intl
Flights to Tumbes
Flights to Jigiga
Flights to Diyarbakir
Flights to Akureyri
Flights to Brainerd Crow Wing County
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines