Find flights
Deals
When to book
FAQs & Tips

IAH - ISP

Find cheap flights from Houston George Bush Airport to Islip from $65

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from George Bush Intcntl to Islip departing on 5/21. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Thu 6/6
Thu 6/13

Search hundreds of travel sites at once for deals on flights to Islip

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Houston to Islip, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Houston to Islip, as well as popular online travel agencies
In the last 7 days travelers have searched 43,707,506 times on KAYAK, and here is why:

Save 21% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Bundle and saveSave money when you bundle your flight + hotel.

Cheap flight deals from George Bush Intcntl to Islip (IAH-ISP)

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from George Bush Intcntl to Islip that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
8:14 pm - 8:13 amIAH-ISP
10h 59m1 stop
9:42 pm - 7:44 amISP-IAH
11h 02m1 stop
$155Frontier
Find Deal
Sat, May 18 - Tue, May 21
6:13 pm - 8:26 amIAH-ISP
13h 13m1 stop
3:03 pm - 9:08 pmISP-IAH
7h 05m1 stop
$200Frontier
Find Deal
Mon, Jul 15 - Tue, Jul 23
9:19 pm - 7:40 amIAH-ISP
9h 21m1 stop
11:37 am - 6:43 pmISP-IAH
8h 06m1 stop
$208Frontier
Find Deal
Thu, Jun 6 - Thu, Jun 13
6:13 pm - 8:26 amIAH-ISP
13h 13m1 stop
3:03 pm - 9:08 pmISP-IAH
7h 05m1 stop
$210Frontier
Find Deal
Fri, Jul 19 - Tue, Jul 23
9:46 pm - 7:40 amIAH-ISP
8h 54m1 stop
2:45 pm - 9:22 pmISP-IAH
7h 37m1 stop
$235Frontier
Find Deal
Wed, Jun 26 - Tue, Jul 2
8:01 am - 8:13 amIAH-ISP
23h 12m1 stop
10:27 pm - 10:43 amISP-IAH
13h 16m1 stop
$238Frontier
Find Deal
Fri, May 17 - Sun, May 19
6:13 pm - 8:26 amIAH-ISP
13h 13m1 stop
5:25 pm - 5:52 pmISP-IAH
25h 27m1 stop
$246Frontier
Find Deal
Fri, Jul 12 - Wed, Jul 17
9:19 pm - 7:40 amIAH-ISP
9h 21m1 stop
2:45 pm - 9:22 pmISP-IAH
7h 37m1 stop
$261Frontier
Find Deal
Thu, Jun 20 - Tue, Jun 25
6:24 pm - 7:40 amIAH-ISP
12h 16m1 stop
11:07 am - 6:43 pmISP-IAH
8h 36m1 stop
$279Frontier
Find Deal
Fri, Jun 14 - Sun, Jun 16
6:24 pm - 7:40 amIAH-ISP
12h 16m1 stop
2:45 pm - 9:22 pmISP-IAH
7h 37m1 stop
$298Frontier
Find Deal
Fri, Jun 21 - Tue, Jun 25

Good to know

Cheapest flight

$65
Flight from Houston George Bush Airport to Islip

When to book flights from George Bush Intcntl to Islip

Are your dates flexible? Find out the best times to travel from George Bush Intcntl to Islip based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Houston George Bush Airport to Islip flights

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

    In the last 3 days, the lowest price for a flight from Houston George Bush Intcntl Airport to Islip, New York was $65 for a one-way ticket and $155 for a round-trip.

  • Do I need a passport to fly between Houston George Bush Airport and Islip?

    No, a passport isn't needed to fly from Houston George Bush Airport to Islip. However, local authorities might ask for an official ID.

  • Which airports will I be using when flying from Houston George Bush Airport to Islip?

    When flying out of Houston George Bush Airport you will be using Houston George Bush Intcntl. You will be landing at Islip, also known as Islip Long Island.

  • Which aircraft models fly most regularly from Houston George Bush Airport to Islip?

    We unfortunately don’t have that data for this specific route.

  • How does KAYAK find such low prices on flights from Houston George Bush Airport to Islip?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Houston George Bush Airport to Islip.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Houston George Bush Airport to Islip?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Islip from Houston George Bush Airport is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Houston George Bush Airport to Islip?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Islip with an airline and back to Houston George Bush Airport with another airline. Booking your flights between Houston George Bush Airport and ISP can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Houston George Bush Airport to Islip?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Islip from Houston George Bush Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Book cheap flights from Houston to Islip

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Houston to Islip found on KAYAK in the last 72 hours.
5/21Tue
1 stopFrontier
12h 06mIAH-ISP
$65
6/1Sat
1 stopFrontier
10h 59mIAH-ISP
$76
6/6Thu
1 stopFrontier
9h 21mIAH-ISP
$81
6/20Thu
1 stopFrontier
9h 21mIAH-ISP
$128
5/28Tue
1 stopFrontier
12h 06mIAH-ISP
$146
5/12Sun
1 stopFrontier
14h 23mIAH-ISP
$179
9/7Sat
1 stopFrontier
13h 13mIAH-ISP
$201
5/12Sun
2 stops
18h 04mIAH-ISP
$402
5/12Sun
3 stops
23h 34mIAH-ISP
$470

Search by stops

Search by airline

Search by price

Houston George Bush Airport - Islip Flights

Departure:

Houston George Bush Airport (undefined)United States

Destination:

Islip (ISP)United States

Return flight deals:

Islip - Houston George Bush Airport

Cabin classes: