ISP - IAH

$103 Find Cheap Flights from Islip to Houston George Bush Airport

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Islip to George Bush Intcntl departing on 11/9. 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
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to Houston George Bush Intcntl Airport

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Islip to Houston, 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 Islip to Houston, as well as popular online travel agencies
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Flight Deals

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

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Islip to George Bush Intcntl 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 for you by selecting your travel dates on KAYAK.

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

Sun, Oct 12 - Sun, Oct 19
Frontier Logo
9:47 pm - 7:04 amISP-IAH
10h 17m1 stop
Frontier Logo
7:57 pm - 9:04 amIAH-ISP
12h 07m1 stop
$160Frontier
Find Deal
Sun, Oct 12 - Tue, Oct 14
Frontier Logo
9:44 am - 4:38 pmISP-IAH
7h 54m1 stop
Frontier Logo
5:42 pm - 9:44 amIAH-ISP
15h 02m2 stops
$239Frontier
Find Deal
Mon, Sep 29 - Fri, Oct 3
Frontier Logo
5:05 pm - 3:36 pmISP-IAH
23h 31m1 stop
Frontier Logo
4:04 pm - 10:55 amIAH-ISP
17h 51m2 stops
$263Frontier
Find Deal
Mon, Sep 29 - Fri, Oct 3
Multiple Airlines Logo
5:05 pm - 11:52 amISP-IAH
19h 47m1 stop
Multiple Airlines Logo
5:48 pm - 10:55 amIAH-ISP
16h 07m1 stop
$279Multiple Airlines
Find Deal
Mon, Nov 17 - Thu, Nov 20
Multiple Airlines Logo
4:58 pm - 9:33 amISP-IAH
17h 35m1 stop
Multiple Airlines Logo
8:36 pm - 8:07 pmIAH-ISP
22h 31m2 stops
$314Multiple Airlines
Find Deal
Mon, Sep 29 - Fri, Oct 3
Frontier Logo
5:05 pm - 9:14 pmISP-IAH
29h 09m2 stops
Frontier Logo
6:15 am - 10:55 amIAH-ISP
27h 40m2 stops
$315Frontier
Find Deal
Sun, Sep 28 - Sun, Oct 5
Multiple Airlines Logo
7:36 pm - 5:01 pmISP-IAH
22h 25m2 stops
Multiple Airlines Logo
5:04 pm - 1:45 pmIAH-ISP
19h 41m1 stop
$318Multiple Airlines
Find Deal
Fri, Oct 17 - Mon, Oct 20
Frontier Logo
9:49 am - 4:43 pmISP-IAH
7h 54m1 stop
Frontier Logo
5:38 pm - 9:44 amIAH-ISP
15h 06m2 stops
$326Frontier
Find Deal
Sun, Oct 12 - Sun, Oct 12
Frontier Logo
9:44 am - 4:38 pmISP-IAH
7h 54m1 stop
Frontier Logo
7:57 pm - 9:04 amIAH-ISP
12h 07m1 stop
$404Frontier
Find Deal
Sun, Sep 28 - Sun, Oct 5
Multiple Airlines Logo
11:25 am - 8:24 amISP-IAH
21h 59m1 stop
Multiple Airlines Logo
6:10 pm - 10:40 amIAH-ISP
15h 30m1 stop
$409Multiple Airlines
Find Deal

Everything you should know

Cheapest round-trip
$160
Frontier
Sun 10/12Sun 10/19
ISP - IAH • 1 stop
Cheapest one-way
$103
Multiple Airlines
Sun 11/9
ISP - IAH • 2 stops
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to George Bush Intcntl!
Booking Insights

Good to know

Cheapest flight$103
Flight from Islip to Houston George Bush Airport

When to book flights from Islip to George Bush Intcntl

Are your dates flexible? Find out the best times to travel from Islip to George Bush Intcntl 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 Islip to Houston George Bush Airport flights

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

    In the last 3 days, the lowest price for a flight from Islip to Houston George Bush Intcntl Airport was $103 for a one-way ticket and $160 for a round-trip.

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

    A passport is not required to fly from Islip to Houston George Bush Airport.

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

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

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

    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 Islip to Houston George Bush Airport.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Houston George Bush Airport from Islip 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 Islip to Houston George Bush Airport?

    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 Houston George Bush Airport with an airline and back to Islip with another airline. Booking your flights between Islip and IAH 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 Islip to Houston George Bush Airport?

    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 Houston George Bush Airport from Islip 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 Islip to George Bush Intcntl

Information on your arrival and departure airports

Islip (ISP)
George Bush Intcntl (IAH)

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