$134+ Cheap flights from Islip, NY (ISP) to George Bush Intcntl (IAH)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — IAH
Nov 24 — Dec 11
Round-trip
1 adult, Economy
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Find cheap flights from Islip to George Bush Intcntl with Cheapflights
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 Islip to George Bush Intcntl
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Cheapest flights from Islip to George Bush IntcntlExplore the most affordable flight options available from Islip to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 25, 2026.
Explore the most affordable flight options available from Islip to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 25, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1210:57 am -
1 stop9h 43m
Sun 11/1510:40 pm -
2 stops35h 40m
Deal found 10/20![Multiple Airlines logo]()
$314
This CheapOair deal was found by Cheapflights users on 10/23. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/76:33 pm -
1 stop28h 04m
Wed 11/114:21 pm -
1 stop24h 10m
Deal found 10/23![Frontier logo]()
$370
This Frontier deal was found by Cheapflights users on 10/21. 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.
Fri 11/204:40 pm -
1 stop8h 45m
Mon 11/235:01 am -
1 stop9h 44m
Deal found 10/21![Frontier logo]()
$371
This Kiwi.com deal was found by Cheapflights users on 10/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/712:00 pm -
1 stop8h 40m
Wed 11/116:00 am -
2 stops27h 17m
Deal found 10/23![Multiple Airlines logo]()
$403
This Kiwi.com deal was found by Cheapflights users on 10/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1712:00 pm -
2 stops10h 53m
Sun 11/223:52 pm -
1 stop22h 53m
Deal found 10/22![Multiple Airlines logo]()
$440
This Kiwi.com deal was found by Cheapflights users on 10/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1812:00 pm -
2 stops10h 53m
Sun 11/223:52 pm -
1 stop22h 53m
Deal found 10/22![Multiple Airlines logo]()
$446
This JetBlue deal was found by Cheapflights users on 10/20. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/196:00 am -
1 stop10h 28m
Wed 11/251:30 pm -
1 stop7h 55m
Deal found 10/20![JetBlue logo]()
$461
This Trip.com deal was found by Cheapflights users on 10/21. 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.
Thu 10/226:25 pm -
1 stop28h 13m
Sun 10/258:35 pm -
1 stop20h 25m
Deal found 10/21![Frontier logo]()
$499
Best flights from Islip to George Bush IntcntlDiscover carefully curated flight deals from Islip to George Bush Intcntl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 25, 2026.
Discover carefully curated flight deals from Islip to George Bush Intcntl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 25, 2026.
This JetBlue deal was found by Cheapflights users on 10/20. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/196:00 am -
1 stop10h 28m
Wed 11/251:30 pm -
1 stop7h 55m
Deal found 10/20![JetBlue logo]()
$461
This Frontier deal was found by Cheapflights users on 10/20. 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.
Mon 11/234:40 pm -
1 stop8h 45m
Mon 11/305:01 am -
1 stop9h 44m
Deal found 10/20![Frontier logo]()
$561
This KAYAK deal was found by Cheapflights users on 10/20. 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.
Sun 11/226:00 am -
1 stop7h 38m
Fri 11/271:30 pm -
1 stop7h 55m
Deal found 10/20![JetBlue logo]()
$499
This KAYAK deal was found by Cheapflights users on 10/24. 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.
Thu 12/176:00 am -
1 stop7h 07m
Sun 12/2012:59 pm -
1 stop8h 05m
Deal found 10/24![JetBlue logo]()
$519
This Frontier deal was found by Cheapflights users on 10/21. 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.
Fri 11/204:40 pm -
1 stop8h 45m
Sun 11/225:01 am -
1 stop9h 44m
Deal found 10/21![Frontier logo]()
$602
This JetBlue deal was found by Cheapflights users on 10/23. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/166:00 am -
1 stop6h 50m
Wed 11/1812:45 pm -
1 stop7h 52m
Deal found 10/23![JetBlue logo]()
$519
This JetBlue deal was found by Cheapflights users on 10/22. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/239:40 am -
1 stop6h 48m
Thu 11/261:30 pm -
1 stop8h 10m
Deal found 10/22![JetBlue logo]()
$519
This JetBlue deal was found by Cheapflights users on 10/22. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/146:00 am -
1 stop7h 18m
Wed 1/131:15 pm -
1 stop7h 41m
Deal found 10/22![JetBlue logo]()
$519
This JetBlue deal was found by Cheapflights users on 10/21. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/166:00 am -
1 stop6h 50m
Tue 11/1712:45 pm -
1 stop7h 52m
Deal found 10/21![JetBlue logo]()
$599
This JetBlue deal was found by Cheapflights users on 10/22. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/76:00 am -
1 stop11h 05m
Wed 11/1112:45 pm -
1 stop7h 52m
Deal found 10/22![JetBlue logo]()
$617
This JetBlue deal was found by Cheapflights users on 10/21. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/186:00 am -
1 stop10h 25m
Sun 12/2012:59 pm -
1 stop8h 05m
Deal found 10/21![JetBlue logo]()
$621
This JetBlue deal was found by Cheapflights users on 10/23. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/86:00 am -
1 stop6h 50m
Fri 11/1312:45 pm -
1 stop7h 52m
Deal found 10/23![JetBlue logo]()
$634
Last-minute flights from Islip to George Bush IntcntlDiscover last-minute flight deals from Islip to George Bush Intcntl. Data last updated October 25, 2026 and is based on user searches.
Discover last-minute flight deals from Islip to George Bush Intcntl. Data last updated October 25, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 10/21. 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.
Thu 10/226:25 pm -
1 stop28h 13m
Sun 10/258:35 pm -
1 stop20h 25m
Deal found 10/21![Frontier logo]()
$499
This CheapOair deal was found by Cheapflights users on 10/23. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/76:33 pm -
1 stop28h 04m
Wed 11/114:21 pm -
1 stop24h 10m
Deal found 10/23![Frontier logo]()
$370
This Kiwi.com deal was found by Cheapflights users on 10/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/712:00 pm -
1 stop8h 40m
Wed 11/116:00 am -
2 stops27h 17m
Deal found 10/23![Multiple Airlines logo]()
$403
This Kiwi.com deal was found by Cheapflights users on 10/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1210:57 am -
1 stop9h 43m
Sun 11/1510:40 pm -
2 stops35h 40m
Deal found 10/20![Multiple Airlines logo]()
$314
This Kiwi.com deal was found by Cheapflights users on 10/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1712:00 pm -
2 stops10h 53m
Sun 11/223:52 pm -
1 stop22h 53m
Deal found 10/22![Multiple Airlines logo]()
$440
This Kiwi.com deal was found by Cheapflights users on 10/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1812:00 pm -
2 stops10h 53m
Sun 11/223:52 pm -
1 stop22h 53m
Deal found 10/22![Multiple Airlines logo]()
$446
This JetBlue deal was found by Cheapflights users on 10/20. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/196:00 am -
1 stop10h 28m
Wed 11/251:30 pm -
1 stop7h 55m
Deal found 10/20![JetBlue logo]()
$461
This Frontier deal was found by Cheapflights users on 10/21. 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.
Fri 11/204:40 pm -
1 stop8h 45m
Mon 11/235:01 am -
1 stop9h 44m
Deal found 10/21![Frontier logo]()
$371
One-way flights from Islip to George Bush IntcntlSearch for one-way flight options from Islip to George Bush Intcntl. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.
Search for one-way flight options from Islip to George Bush Intcntl. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1112:00 pm -
2 stops34h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Multiple Airlines logo]()
$134
This Kiwi.com deal was found by Cheapflights users on 10/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1210:57 am -
1 stop9h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Multiple Airlines logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 10/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1012:00 pm -
2 stops27h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Multiple Airlines logo]()
$156
This Kiwi.com deal was found by Cheapflights users on 10/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/133:02 pm -
1 stop29h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Multiple Airlines logo]()
$168
This CheapOair deal was found by Cheapflights users on 10/21. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/76:33 pm -
1 stop15h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Frontier logo]()
$170
Find flight deals from Islip to George Bush Intcntl
Discover tips and strategies to find the most affordable flight options for your journey from Islip (ISP) to George Bush Intcntl (IAH). 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 October 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $314 (Kiwi.com) |
One-way from | $134 (Kiwi.com) |
Popular in | December |
Cheapest in | January |
Average price | $376 |
Cheapflights Fare Finder
Customize your flight search to find flights from Islip to George Bush Intcntl 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 7,457,451 searches. Data last updated October 25, 2026.
Use the filters below to find and compare flights from Islip to Houston George Bush Intcntl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
IslipHouston
ISP Islip Long Island - IAH Houston George Bush Intcntl
ISPIAH
Islip Long Island
Fri 11/13
3:02 pm-12:09 pm
2 stops22h 07m
Houston George Bush Intcntl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$185
IslipHouston
ISP Islip Long Island - IAH Houston George Bush Intcntl
ISPIAH
Islip Long Island
Tue 11/10
6:00 am-4:05 pm
1 stop11h 05m
Houston George Bush Intcntl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$232
IslipHouston
ISP Islip Long Island - IAH Houston George Bush Intcntl
ISPIAH
Islip Long Island
Wed 11/11
6:00 am-4:05 pm
1 stop11h 05m
Houston George Bush Intcntl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$232
IslipHouston
ISP Islip Long Island - IAH Houston George Bush Intcntl
ISPIAH
Islip Long Island
Tue 3/2
5:55 am-11:47 am
1 stop6h 52m
Houston George Bush Intcntl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$250
Quickest round-trip
IslipHouston
ISP Islip Long Island - IAH Houston George Bush Intcntl
ISPIAH
Islip Long Island
Mon 11/23
9:40 am-3:28 pm
1 stop6h 48m
Houston George Bush Intcntl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$260
IslipHouston
ISP Islip Long Island - IAH Houston George Bush Intcntl
ISPIAH
Islip Long Island
Sun 3/14
5:55 am-11:47 am
1 stop6h 52m
Houston George Bush Intcntl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$260
IslipHouston
ISP Islip Long Island - IAH Houston George Bush Intcntl
ISPIAH
Islip Long Island
Fri 11/20
6:00 am-12:38 pm
1 stop7h 38m
Houston George Bush Intcntl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$260
IslipHouston
ISP Islip Long Island - IAH Houston George Bush Intcntl
ISPIAH
Islip Long Island
Sun 11/22
9:40 am-3:28 pm
1 stop6h 48m
Houston George Bush Intcntl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$260
IslipHouston
ISP Islip Long Island - IAH Houston George Bush Intcntl
ISPIAH
Islip Long Island
Thu 11/19
6:00 am-3:28 pm
1 stop10h 28m
Houston George Bush Intcntl
Wed 11/25
1:30 pm-10:25 pm
1 stop7h 55m
$461
IslipHouston
ISP Islip Long Island - IAH Houston George Bush Intcntl
ISPIAH
Islip Long Island
Sun 11/22
6:00 am-12:38 pm
1 stop7h 38m
Houston George Bush Intcntl
Fri 11/27
1:30 pm-10:25 pm
1 stop7h 55m
$499
Showing 1-10 of 20 resultsSorted by cheapest first
Compare providers for flights from Islip to George Bush Intcntl
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Islip to George Bush Intcntl in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Islip, New York-Houston George Bush Intcntl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Islip, New York-Houston George Bush Intcntl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Islip, New York-Houston George Bush Intcntl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Islip, New York-Houston George Bush Intcntl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Islip, New York-Houston George Bush Intcntl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Islip to George Bush Intcntl
Have a flexible travel schedule? Discover the best time to fly to George Bush Intcntl from Islip with our price prediction graph.
ISP-IAH
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.
Related info for your journey
Find useful and relevant information for your journey from Islip to George Bush Intcntl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Houston George Bush Intcntl Airport?
Book flights to Houston George Bush Intcntl Airport if you plan to visit one of these locationsConroe
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Cypress
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