$132+ Cheap flights from George Bush Intcntl (IAH) to Islip, NY (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 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — ISP
Sep 30 — Oct 71
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from George Bush Intcntl to Islip 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 George Bush Intcntl to Islip
Cheapest
Best
Last-minute
One-way
Cheapest flights from George Bush Intcntl to IslipExplore the most affordable flight options available from George Bush Intcntl to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 31, 2026.
Explore the most affordable flight options available from George Bush Intcntl to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 31, 2026.
This CheapOair deal was found by Cheapflights users on 8/27. 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.
Fri 10/308:35 pm -
1 stop19h 56m
Mon 11/26:54 pm -
1 stop27h 01m
Deal found 8/27![Frontier logo]()
$246
This CheapOair deal was found by Cheapflights users on 8/27. 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 9/198:25 pm -
1 stop19h 33m
Mon 9/215:43 pm -
1 stop22h 30m
Deal found 8/27![Frontier logo]()
$261
This CheapOair deal was found by Cheapflights users on 8/27. 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.
Thu 10/228:35 pm -
1 stop20h 25m
Sun 10/256:25 pm -
1 stop28h 13m
Deal found 8/27![Frontier logo]()
$264
This CheapOair deal was found by Cheapflights users on 8/30. 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.
Tue 9/224:21 pm -
1 stop23h 37m
Tue 9/295:43 pm -
1 stop28h 31m
Deal found 8/30![Frontier logo]()
$268
Best flights from George Bush Intcntl to IslipDiscover carefully curated flight deals from George Bush Intcntl to Islip that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 31, 2026.
Discover carefully curated flight deals from George Bush Intcntl to Islip that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 31, 2026.
This CheapOair deal was found by Cheapflights users on 8/30. 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.
Tue 9/224:21 pm -
1 stop23h 37m
Tue 9/295:43 pm -
1 stop28h 31m
Deal found 8/30![Frontier logo]()
$268
This CheapOair deal was found by Cheapflights users on 8/31. 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.
Tue 9/224:21 pm -
1 stop23h 37m
Tue 9/294:26 pm -
2 stops30h 29m
Deal found 8/31![Multiple Airlines logo]()
$406
This JetBlue deal was found by Cheapflights users on 8/28. 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 10/212:58 pm -
1 stop9h 24m
Mon 10/57:00 am -
1 stop9h 45m
Deal found 8/28![JetBlue logo]()
$535
This CheapOair deal was found by Cheapflights users on 8/31. 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 9/198:25 pm -
1 stop19h 33m
Mon 9/215:43 pm -
1 stop22h 30m
Deal found 8/31![Frontier logo]()
$322
This CheapOair deal was found by Cheapflights users on 8/31. 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 9/1912:21 pm -
1 stop27h 37m
Mon 9/214:26 pm -
2 stops30h 29m
Deal found 8/31![Multiple Airlines logo]()
$447
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 10/910:12 am -
1 stop24h 08m
Sun 10/116:25 pm -
2 stops37h 54m
Deal found 8/28![Multiple Airlines logo]()
$469
This JetBlue deal was found by Cheapflights users on 8/29. 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 10/312:58 pm -
1 stop9h 24m
Mon 10/57:00 am -
1 stop9h 45m
Deal found 8/29![JetBlue logo]()
$535
This JetBlue deal was found by Cheapflights users on 8/30. 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 10/212:58 pm -
1 stop9h 24m
Sun 10/47:00 am -
1 stop9h 47m
Deal found 8/30![JetBlue logo]()
$535
This CheapOair deal was found by Cheapflights users on 8/30. 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.
Fri 10/3012:44 pm -
2 stops23h 28m
Mon 11/26:54 pm -
1 stop27h 01m
Deal found 8/30![Multiple Airlines logo]()
$527
Last-minute flights from George Bush Intcntl to IslipDiscover last-minute flight deals from George Bush Intcntl to Islip. Data last updated August 31, 2026 and is based on user searches.
Discover last-minute flight deals from George Bush Intcntl to Islip. Data last updated August 31, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 8/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/43:25 pm -
1 stop25h 49m
Sun 9/67:09 pm -
1 stop13h 53m
Deal found 8/28![Frontier logo]()
$340
This CheapOair deal was found by Cheapflights users on 8/27. 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 9/198:25 pm -
1 stop19h 33m
Mon 9/215:43 pm -
1 stop22h 30m
Deal found 8/27![Frontier logo]()
$261
This CheapOair deal was found by Cheapflights users on 8/27. 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 9/198:25 pm -
1 stop19h 33m
Mon 9/214:26 pm -
2 stops42h 23m
Deal found 8/27![Multiple Airlines logo]()
$383
This CheapOair deal was found by Cheapflights users on 8/30. 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.
Tue 9/224:21 pm -
1 stop23h 37m
Tue 9/295:43 pm -
1 stop28h 31m
Deal found 8/30![Frontier logo]()
$268
This CheapOair deal was found by Cheapflights users on 8/29. 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.
Tue 9/224:21 pm -
1 stop23h 37m
Tue 9/294:26 pm -
2 stops30h 29m
Deal found 8/29![Multiple Airlines logo]()
$400
One-way flights from George Bush Intcntl to IslipSearch for one-way flight options from George Bush Intcntl to Islip. Find affordable one-way fares based on user searches. Data last updated August 31, 2026.
Search for one-way flight options from George Bush Intcntl to Islip. Find affordable one-way fares based on user searches. Data last updated August 31, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 10/2012:21 pm -
2 stops21h 59m
Deal found 8/28![Multiple Airlines logo]()
$132
This Expedia deal was found by Cheapflights users on 8/26. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/38:57 am -
1 stop8h 17m
Deal found 8/26![Frontier logo]()
$170
This Frontier deal was found by Cheapflights users on 8/30. 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.
Sun 11/226:10 am -
1 stop11h 56m
Deal found 8/30![Frontier logo]()
$206
This Frontier deal was found by Cheapflights users on 8/30. 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.
Sat 11/216:10 am -
1 stop11h 56m
Deal found 8/30![Frontier logo]()
$231
This CheapOair deal was found by Cheapflights users on 8/28. 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.
Tue 10/207:14 am -
1 stop13h 23m
Deal found 8/28![JetBlue logo]()
$268
This JetBlue deal was found by Cheapflights users on 8/27. 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 9/1812:58 pm -
1 stop9h 24m
Deal found 8/27![JetBlue logo]()
$278
This Kiwi.com deal was found by Cheapflights users on 8/26. 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 9/310:14 pm -
3 stops42h 15m
Deal found 8/26![Multiple Airlines logo]()
$304
This JetBlue deal was found by Cheapflights users on 8/27. 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 9/1712:58 pm -
1 stop9h 24m
Deal found 8/27![JetBlue logo]()
$310
Find 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 August 31, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $246 (CheapOair) |
One-way from | $132 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $331 |
Cheapflights Fare Finder
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 7,457,451 searches. Data last updated August 31, 2026.
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
Cheapest round-trip
HoustonIslip
IAH Houston George Bush Intcntl - ISP Islip Long Island
IAHISP
Houston George Bush Intcntl
Tue 9/22
4:21 pm-4:58 pm
1 stop23h 37m
Islip Long Island
Tue 9/29
5:43 pm-9:14 pm
1 stop28h 31m
$268
HoustonIslip
IAH Houston George Bush Intcntl - ISP Islip Long Island
IAHISP
Houston George Bush Intcntl
Sat 9/19
8:25 pm-4:58 pm
1 stop19h 33m
Islip Long Island
Mon 9/21
5:43 pm-3:13 pm
1 stop22h 30m
$322
HoustonIslip
IAH Houston George Bush Intcntl - ISP Islip Long Island
IAHISP
Houston George Bush Intcntl
Tue 9/22
4:21 pm-4:58 pm
1 stop23h 37m
Islip Long Island
Tue 9/29
4:26 pm-9:55 pm
2 stops30h 29m
$406
HoustonIslip
IAH Houston George Bush Intcntl - ISP Islip Long Island
IAHISP
Houston George Bush Intcntl
Sat 9/19
12:21 pm-4:58 pm
1 stop27h 37m
Islip Long Island
Mon 9/21
4:26 pm-9:55 pm
2 stops30h 29m
$447
HoustonIslip
IAH Houston George Bush Intcntl - ISP Islip Long Island
IAHISP
Houston George Bush Intcntl
Fri 10/9
10:12 am-11:20 am
1 stop24h 08m
Islip Long Island
Sun 10/11
6:25 pm-7:19 am
2 stops37h 54m
$469
HoustonIslip
IAH Houston George Bush Intcntl - ISP Islip Long Island
IAHISP
Houston George Bush Intcntl
Fri 10/30
12:44 pm-1:12 pm
2 stops23h 28m
Islip Long Island
Mon 11/2
6:54 pm-8:55 pm
1 stop27h 01m
$527
Quickest round-trip
HoustonIslip
IAH Houston George Bush Intcntl - ISP Islip Long Island
IAHISP
Houston George Bush Intcntl
Fri 10/2
12:58 pm-11:22 pm
1 stop9h 24m
Islip Long Island
Mon 10/5
7:00 am-3:45 pm
1 stop9h 45m
$535
HoustonIslip
IAH Houston George Bush Intcntl - ISP Islip Long Island
IAHISP
Houston George Bush Intcntl
Sat 10/3
12:58 pm-11:22 pm
1 stop9h 24m
Islip Long Island
Mon 10/5
7:00 am-3:45 pm
1 stop9h 45m
$535
HoustonIslip
IAH Houston George Bush Intcntl - ISP Islip Long Island
IAHISP
Houston George Bush Intcntl
Fri 10/2
12:58 pm-11:22 pm
1 stop9h 24m
Islip Long Island
Sun 10/4
7:00 am-3:47 pm
1 stop9h 47m
$535
Cheapest one-way
Quickest one-way
HoustonIslip
IAH Houston George Bush Intcntl - ISP Islip Long Island
IAHISP
Houston George Bush Intcntl
Sat 9/5
8:57 am-6:14 pm
1 stop8h 17m
$180
Showing 1-10 of 21 resultsSorted by cheapest first
Compare providers for flights from George Bush Intcntl to Islip
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 George Bush Intcntl to Islip in August.
| 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 Houston George Bush Intcntl Airport-Islip, New York flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Houston George Bush Intcntl Airport-Islip, New York flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Houston George Bush Intcntl Airport-Islip, New York flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Houston George Bush Intcntl Airport-Islip, New York 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 Houston George Bush Intcntl Airport-Islip, New York 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 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.
IAH-ISP
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 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.
Traveling to a place near Islip?
Book flights to Islip if you plan to visit one of these locationsRiverhead
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
Complete your trip
Flights by cabin class
Islip flight routes
Other flight options
Other flights from George Bush Intcntl
Popular flights