ISP - IAH

$130 Find Cheap Flights from Islip to Houston George Bush Airport - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$327
Typical prices: $211-$588
Multiple Airlines
Sat 1/27Wed 1/31
ISP - IAH • 1 stop
Cheapest one-way
$130
Typical prices: $231-$344
Frontier
Thu 11/22
ISP - IAH • 1 stop
Nonstop flights
There are currently no direct flights between Islip and Houston George Bush Intcntl Airport. You'll need to take a connecting flight to reach the destination.
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Top layover airports
Cheapest • Avg $316 (round-trip)
Shortest trip • 12h 01m (one-way)
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Flight Deals

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

 
Discover the best prices for you by selecting your travel dates on KAYAK.

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

Wed, Jan 27 - Sun, Jan 31
Multiple Airlines Logo
9:40 am - 8:05 amISP  Islip Long Island-IAH Houston George Bush Intcntl
23h 25m1 stop Tampa
Multiple Airlines Logo
3:50 pm - 2:22 pmIAH  Houston George Bush Intcntl-ISP Islip Long Island
21h 32m2 stops Atlanta Hartsfield-Jackson Raleigh-Durham
$327Multiple Airlines
Fri, Nov 20 - Mon, Nov 23
Frontier Logo
4:40 pm - 12:25 amISP  Islip Long Island-IAH Houston George Bush Intcntl
8h 45m1 stop Orlando
Frontier Logo
5:01 am - 3:45 pmIAH  Houston George Bush Intcntl-ISP Islip Long Island
9h 44m1 stop Orlando
$360Frontier
Tue, Nov 17 - Thu, Nov 19
Multiple Airlines Logo
6:00 am - 10:59 pmISP  Islip Long Island-IAH Houston George Bush Intcntl
17h 59m1 stop Fort Lauderdale
Multiple Airlines Logo
8:35 pm - 3:45 pmIAH  Houston George Bush Intcntl-ISP Islip Long Island
18h 10m1 stop Orlando
$390Multiple Airlines
Tue, Nov 17 - Tue, Nov 24
Multiple Airlines Logo
6:00 am - 10:59 pmISP  Islip Long Island-IAH Houston George Bush Intcntl
17h 59m1 stop Fort Lauderdale
Multiple Airlines Logo
3:52 pm - 3:45 pmIAH  Houston George Bush Intcntl-ISP Islip Long Island
22h 53m1 stop Orlando
$411Multiple Airlines
Tue, Nov 17 - Thu, Nov 19
Multiple Airlines Logo
2:28 pm - 10:59 pmISP  Islip Long Island-IAH Houston George Bush Intcntl
33h 31m2 stops Orlando Fort Lauderdale
Multiple Airlines Logo
12:27 pm - 3:45 pmIAH  Houston George Bush Intcntl-ISP Islip Long Island
26h 18m1 stop Orlando
$427Multiple Airlines
Wed, Jan 27 - Sun, Jan 31
Multiple Airlines Logo
9:40 am - 8:05 amISP  Islip Long Island-IAH Houston George Bush Intcntl
23h 25m1 stop Tampa
Multiple Airlines Logo
5:01 am - 11:04 amIAH  Houston George Bush Intcntl-ISP Islip Long Island
29h 03m1 stop Orlando
$448Multiple Airlines
Tue, Nov 17 - Tue, Nov 24
Multiple Airlines Logo
2:28 pm - 10:59 pmISP  Islip Long Island-IAH Houston George Bush Intcntl
33h 31m2 stops Orlando Fort Lauderdale
Multiple Airlines Logo
3:52 pm - 3:45 pmIAH  Houston George Bush Intcntl-ISP Islip Long Island
22h 53m1 stop Orlando
$448Multiple Airlines
Wed, Nov 18 - Sun, Nov 22
Multiple Airlines Logo
12:00 pm - 9:53 pmISP  Islip Long Island-IAH Houston George Bush Intcntl
10h 53m2 stops Raleigh-Durham Atlanta Hartsfield-Jackson
Multiple Airlines Logo
9:14 pm - 3:45 pmIAH  Houston George Bush Intcntl-ISP Islip Long Island
41h 31m2 stops Atlanta Hartsfield-Jackson Orlando
$452Multiple Airlines
Wed, Nov 18 - Sun, Nov 22
Multiple Airlines Logo
12:00 pm - 9:53 pmISP  Islip Long Island-IAH Houston George Bush Intcntl
10h 53m2 stops Raleigh-Durham Atlanta Hartsfield-Jackson
Multiple Airlines Logo
3:52 pm - 3:45 pmIAH  Houston George Bush Intcntl-ISP Islip Long Island
22h 53m1 stop Orlando
$456Multiple Airlines
Wed, Nov 18 - Sun, Nov 22
Multiple Airlines Logo
12:00 pm - 2:53 pmISP  Islip Long Island-IAH Houston George Bush Intcntl
27h 53m3 stops Raleigh-Durham Orlando Detroit Metropolitan Wayne County
Multiple Airlines Logo
6:09 pm - 3:45 pmIAH  Houston George Bush Intcntl-ISP Islip Long Island
44h 36m2 stops Atlanta Hartsfield-Jackson Orlando
$457Multiple Airlines
Booking Insights

Price, demand and travel trends for Islip to Houston George Bush Intcntl Airport flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

Which airline is the cheapest to fly from Islip to Houston George Bush Intcntl Airport?

Frontier ($360) offered the cheapest round-trip ticket from Islip to Houston George Bush Intcntl Airport in the last 5 days.

Key details for Islip to Houston George Bush Intcntl Airport flights

Cheapest flight

$130
One-way flight from Islip to Houston George Bush Intcntl 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

Your Islip to Houston George Bush Intcntl Airport flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Islip to Houston George Bush Intcntl Airport?

    Only Economy Class is available on flights from Islip to Houston George Bush Intcntl Airport.

  • How long is a flight from Islip to Houston George Bush Intcntl Airport?

    A nonstop flight from Islip to Houston George Bush Intcntl Airport takes 00m, covering 1,451 miles.

  • Do I need a passport to fly from Islip to Houston George Bush Intcntl Airport?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

  • Have flight prices from Islip to Houston George Bush Intcntl Airport changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $327 to $1,520. That means the highest observed fare was about 5x higher than the lowest one.

  • How are flight prices from Islip to Houston George Bush Intcntl Airport looking right now?

    One-way fares from Islip to Houston George Bush Intcntl Airport are currently lower than usual. Average one-way flight prices are about $236, which is 5% below the typical average for this route.

  • What car rental options are available at Houston George Bush Intcntl Airport (IAH)?

    Houston George Bush Intcntl Airport (IAH) hosts 5 major car rental companies, with daily rates averaging $40 for economy cars. Top options include:

    • ACO Rent A Car
    • Easirent
    • America Car Rental
    • Thrifty
    • Hertz

  • Which airports can I use when flying from Islip to Houston George Bush Intcntl Airport?

    Flights from Islip to Houston George Bush Intcntl Airport usually depart from Islip Long Island (ISP) and arrive at Houston George Bush Intcntl (IAH).

  • Which airports do connecting flights from Islip to Houston George Bush Intcntl Airport pass through?

    Connecting flights from Islip to Houston George Bush Intcntl Airport most commonly pass through:

    • Orlando (MCO) - 83% of one-stop connections
    • Tampa (TPA) - 17% of one-stop connections

  • Can I save money by using flexible dates for flights from Islip to Houston George Bush Intcntl Airport?

    Yes. Flexible dates can save you up to 86% on flights from Islip to Houston George Bush Intcntl Airport. Tuesday is the cheapest departure day at $211 round-trip on average, while Friday is the most expensive at $1,410, a difference of $1,199.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport from Islip to Houston George Bush Intcntl Airport?

    Flying via Tampa (TPA) gives the shortest average 1-stop total travel time at 10h 08m, compared with 12h 01m via Orlando (MCO).

  • What is the time difference between Islip and Houston George Bush Intcntl Airport?

    Houston George Bush Intcntl Airport is 1 hour behind Islip (Central Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Houston George Bush Intcntl Airport?

    Some of the most popular sights in Houston George Bush Intcntl Airport are George R. Brown Convention Center, Daikin Park and Houston Stadium. These are among the most viewed places in Houston George Bush Intcntl Airport on KAYAK.

Your guide to booking Islip to Houston George Bush Intcntl Airport flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Tuesday departure and avoid flying on Friday. On this route, Tuesday flights average $211, about $1,199 less than Friday fares (85% savings) based on the last 12 months.
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Houston George Bush Intcntl Airport.

    • Houston Airport Marriott at George Bush Intercontinental

More options for your flight from Islip to George Bush Intcntl

Complete your trip to Houston with a hotel stay or car rental