IAH - ISP

$137 Find Cheap Flights from Houston George Bush Airport to Islip

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 5/18. 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.
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KAYAK searches 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
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Flights Deals

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.

Recent round-trip flight deals from George Bush Intcntl to Islip

KAYAK's recommended round-trip deals from the most popular airlines that fly from George Bush Intcntl to Islip.
Discover the best prices for you by selecting your travel dates on KAYAK.
Frontier Logo
9:05 pm - 10:12 amIAH-ISP
12h 07m1 stop
Frontier Logo
6:48 pm - 10:37 amISP-IAH
16h 49m1 stop
$251Frontier
Find Deal
Wed, May 14 - Mon, May 19
Frontier Logo
9:05 pm - 7:34 pmIAH-ISP
21h 29m1 stop
Frontier Logo
2:04 pm - 8:12 pmISP-IAH
7h 08m1 stop
$271Frontier
Find Deal
Wed, May 21 - Mon, May 26
Frontier Logo
9:05 pm - 10:41 amIAH-ISP
12h 36m1 stop
Frontier Logo
2:04 pm - 8:12 pmISP-IAH
7h 08m1 stop
$280Frontier
Find Deal
Fri, May 16 - Mon, May 26
Frontier Logo
9:05 pm - 10:12 amIAH-ISP
12h 07m1 stop
Frontier Logo
6:48 pm - 10:37 amISP-IAH
16h 49m1 stop
$281Frontier
Find Deal
Sat, May 10 - Sun, May 11
Frontier Logo
8:57 pm - 8:42 pmIAH-ISP
22h 45m1 stop
Frontier Logo
8:21 pm - 10:29 amISP-IAH
15h 08m1 stop
$301Frontier
Find Deal
Fri, May 23 - Mon, May 26
Frontier Logo
9:33 pm - 1:05 pmIAH-ISP
14h 32m1 stop
Frontier Logo
8:21 pm - 4:01 pmISP-IAH
20h 40m1 stop
$310Frontier
Find Deal
Thu, May 22 - Fri, May 23
Frontier Logo
9:05 pm - 10:41 amIAH-ISP
12h 36m1 stop
Frontier Logo
2:05 pm - 7:51 pmISP-IAH
6h 46m1 stop
$311Frontier
Find Deal
Tue, May 13 - Fri, Jul 4
Frontier Logo
9:05 pm - 10:12 amIAH-ISP
12h 07m1 stop
Frontier Logo
2:05 pm - 7:51 pmISP-IAH
6h 46m1 stop
$321Frontier
Find Deal
Sat, May 10 - Fri, Jul 4
Logo
8:24 am - 10:04 amIAH-ISP
24h 40m2 stops
Logo
3:59 pm - 6:59 pmISP-IAH
28h 00m3 stops
$513
Find Deal
Thu, Jun 5 - Fri, Jun 6
Logo
5:10 am - 10:04 amIAH-ISP
27h 54m3 stops
Logo
3:59 pm - 6:59 pmISP-IAH
28h 00m3 stops
$550
Find Deal
Thu, Jun 5 - Fri, Jun 6
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Good to know

Cheapest flight$137
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?

    In the last 3 days, the lowest price for a flight from Houston George Bush Intcntl Airport to Islip was $137 for a one-way ticket and $251 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.

Everything you need to know for your flight from George Bush Intcntl to Islip

Information on your arrival and departure airports

Islip (ISP)
Houston George Bush Airport (IAH)

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