IAH - ISP

$124 Find Cheap Flights from Houston George Bush Airport to Islip - Compare and Save

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Everything you should know

Cheapest round-trip
$272
Typical prices: $260-$327
Frontier
Tue 10/16Sat 10/20
IAH - ISP • 1 stop
Cheapest one-way
$152
Typical prices: $135-$141
Frontier
Tue 10/16
IAH - ISP • 2 stops
Nonstop flights
Not available
There are currently no direct flights between Houston George Bush Intcntl Airport and Islip. You'll need to take a connecting flight to reach the destination.
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Cheap Flights from George Bush Intcntl to Islip (IAH-ISP)

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

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

Fri, Oct 16 - Tue, Oct 20
Multiple Airlines Logo
8:35 pm - 5:30 pmIAH  Houston George Bush Intcntl-ISP Islip Long Island
19h 55m1 stop Orlando
Multiple Airlines Logo
1:38 pm - 9:38 pmISP  Islip Long Island-IAH Houston George Bush Intcntl
9h 00m2 stops Wilmington New Hanover County Orlando
$272Multiple Airlines
Fri, Oct 30 - Mon, Nov 2
Frontier Logo
8:35 pm - 5:31 pmIAH  Houston George Bush Intcntl-ISP Islip Long Island
19h 56m1 stop Orlando
Frontier Logo
6:54 pm - 3:30 pmISP  Islip Long Island-IAH Houston George Bush Intcntl
21h 36m1 stop Orlando
$282Frontier
Fri, Oct 30 - Mon, Nov 2
Frontier Logo
8:35 pm - 5:31 pmIAH  Houston George Bush Intcntl-ISP Islip Long Island
19h 56m1 stop Orlando
Frontier Logo
6:54 pm - 3:30 pmISP  Islip Long Island-IAH Houston George Bush Intcntl
21h 36m1 stop Orlando
$302Frontier
Thu, Dec 10 - Sun, Dec 13
Frontier Logo
8:10 pm - 9:01 amIAH  Houston George Bush Intcntl-ISP Islip Long Island
11h 51m1 stop Orlando
Frontier Logo
9:56 am - 7:57 pmISP  Islip Long Island-IAH Houston George Bush Intcntl
11h 01m1 stop Orlando
$328Frontier
Fri, Nov 20 - Mon, Nov 23
Frontier Logo
5:01 am - 3:45 pmIAH  Houston George Bush Intcntl-ISP Islip Long Island
9h 44m1 stop Orlando
Frontier Logo
4:40 pm - 12:25 amISP  Islip Long Island-IAH Houston George Bush Intcntl
8h 45m1 stop Orlando
$329Frontier
Fri, Nov 20 - Sun, Nov 22
Frontier Logo
5:01 am - 3:45 pmIAH  Houston George Bush Intcntl-ISP Islip Long Island
9h 44m1 stop Orlando
Frontier Logo
4:40 pm - 12:25 amISP  Islip Long Island-IAH Houston George Bush Intcntl
8h 45m1 stop Orlando
$333Frontier
Fri, Oct 30 - Mon, Nov 2
Frontier Logo
9:14 pm - 5:31 pmIAH  Houston George Bush Intcntl-ISP Islip Long Island
19h 17m2 stops Atlanta Hartsfield-Jackson Orlando
Frontier Logo
6:54 pm - 11:34 amISP  Islip Long Island-IAH Houston George Bush Intcntl
41h 40m2 stops Orlando Atlanta Hartsfield-Jackson
$337Frontier
Fri, Oct 30 - Mon, Nov 2
Frontier Logo
9:14 pm - 5:31 pmIAH  Houston George Bush Intcntl-ISP Islip Long Island
19h 17m2 stops Atlanta Hartsfield-Jackson Orlando
Frontier Logo
6:54 pm - 10:31 pmISP  Islip Long Island-IAH Houston George Bush Intcntl
28h 37m2 stops Orlando Atlanta Hartsfield-Jackson
$347Frontier
Thu, Oct 1 - Sat, Oct 31
Frontier Logo
8:25 pm - 4:58 pmIAH  Houston George Bush Intcntl-ISP Islip Long Island
19h 33m1 stop Orlando
Frontier Logo
6:33 pm - 10:26 amISP  Islip Long Island-IAH Houston George Bush Intcntl
16h 53m1 stop Orlando
$349Frontier
Fri, Oct 16 - Tue, Oct 20
Multiple Airlines Logo
8:35 pm - 5:30 pmIAH  Houston George Bush Intcntl-ISP Islip Long Island
19h 55m1 stop Orlando
Multiple Airlines Logo
6:00 am - 10:29 amISP  Islip Long Island-IAH Houston George Bush Intcntl
29h 29m1 stop Fort Lauderdale
$435Multiple Airlines
Booking Insights

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

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Houston George Bush Intcntl Airport to Islip with more confidence.

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

Frontier ($282) offered the cheapest round-trip ticket from Houston George Bush Intcntl Airport to Islip in the last 5 days.

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Key details for Houston George Bush Intcntl Airport to Islip flights

Cheapest flight

$152
Flight from Houston George Bush Intcntl 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

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

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

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

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

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

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

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

    Most connecting flights from Houston George Bush Intcntl Airport to Islip pass through Orlando (MCO), which handles 100% of one-stop traffic on this route. Other layover airports each see under 5%.

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

    Yes. Being flexible with your travel dates can save you up to 15% on the Houston George Bush Intcntl Airport to Islip route. Friday is the cheapest departure day at $278 round-trip on average, while Wednesday is the most expensive at $327, a difference of $49. 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 long is a flight from Houston George Bush Intcntl Airport to Islip?

    A nonstop flight from Houston George Bush Intcntl Airport to Islip takes 0h 00m, covering 1,451 miles.

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

    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 Houston George Bush Intcntl Airport to Islip 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 $272 to $1,618. That means the highest observed fare was about 6x higher than the lowest one.

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

    One-way fares from Houston George Bush Intcntl Airport to Islip are currently higher than usual. Average one-way flight prices are about $193, which is 36% above the typical average for this route.

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

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

  • What car rental options are available at Islip Long Island Airport (ISP)?

    Islip Long Island Airport (ISP) hosts 5 major car rental companies, with daily rates starting from around $36 for economy cars. Top options include:
    • Budget
    • Enterprise Rent-A-Car
    • Avis
    • National
    • Empire Rent A Car

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

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Friday departure instead of Wednesday. On this route, Friday flights average $278 - about $49 less than Wednesday (15% savings) based on the last 12 months.

More options for your flight from George Bush Intcntl to Islip

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