Cheap Flight Tickets from Islip (ISP) to Houston (IAH), Starting at $1281

Good to Know: Cheapest and Fastest ISP - IAH Flights

Useful information for finding best airline tickets from Long Island Mac Arthur to George Bush Intercontinental Houston on your next trip.

Cheapest Round Trip Flight

$1281

9K Cape Air • 1 stop • 20h 31m

Sep 29 – Oct 06

The cheapest round trip flight from Islip to Houston (ISP-IAH-ISP) is currently $1281

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Fastest Flight

10h 51m

The fastest nonstop flight from Islip to Houston (ISP-IAH) takes 10h 51m

Top Airlines Flying from Islip to Houston

Southwest Airlines-WN

Southwest Airlines

Latest Flight Deals from Islip (ISP) to Houston (IAH)

Compare and book low fare round-trip air tickets from Islip to Houston. Ideal for travelers with confirmed return itineraries.

Sep 29 - Oct 06, Economy
9K
Islip → Houston
20h 31m
7:31 AM - 7:02 PM • 1 stop
UA
Islip → Houston
10h 50m
12:25 PM - 8:15 PM • 1 stop
$1281
Cape Air
Sep 29 - Oct 06, Economy
9K
Islip → Houston
17h 4m
7:31 AM - 4:55 PM • 1 stop
UA
Islip → Houston
10h 50m
12:25 PM - 8:15 PM • 1 stop
$1281
Cape Air
Sep 29 - Oct 06, Economy
9K
Islip → Houston
10h 51m
7:31 AM - 1:22 PM • 1 stop
UA
Islip → Houston
19h 15m
7:20 AM - 8:15 PM • 1 stop
$1281
Cape Air
Sep 29 - Oct 06, Economy
9K
Islip → Houston
12h 30m
10:05 AM - 4:55 PM • 1 stop
UA
Islip → Houston
15h 21m
7:20 AM - 5:41 PM • 1 stop
$1311
Cape Air
Sep 29 - Oct 06, Economy
9K
Islip → Houston
19h 10m
10:05 AM - 8:55 PM • 1 stop
UA
Islip → Houston
15h 21m
7:20 AM - 5:41 PM • 1 stop
$1311
Cape Air
Sep 30 - Oct 07, Economy
9K
Islip → Houston
12h 19m
2:16 PM - 8:55 PM • 1 stop
UA
Islip → Houston
25h 21m
6:35 PM - 10:56 AM • 1 stop
$1640
Cape Air

Fly from Islip to Houston with the Best Airfare Deals on FareLeaders

Looking for a cheap last-minute deal or the best round-trip flight from Islip to Houston? Find the biggest savings on one-way and round-trip tickets right here.

FAQs on Islip to Houston Flights

What are the airports in Islip?
ISP
What’s the most popular airline flying from ISP to IAH?
The most popular airline flying from Islip to Houston are
Can I fly from ISP to IAH non-stop?
NO
Which airlines fly nonstop between Islip and Houston?
The non-stop flights between Islip and Houston are .
What’s the earliest departure time from ISP to IAH Airport?
The earliest flight leaves ISP at 7:31 am and lands in IAH - George Bush Intercontinental Houston
What are the airports in Houston?
IAH
Can I make changes to my Islip to Houston flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from ISP to IAH?
Read the fare rules of the Islip to Houston air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Islip and Houston?
operate flights between Islip and Houston
How long does a flight from Islip to Houston take?
It takes approximately 4 hour to fly non-stop from ISP to IAH, which is 1453.78 miles by air.
Which airlines provide the cheapest flights from Islip (ISP) to Houston (IAH) ?
In the past couple of days, the cheapest tickets to IAH from ISP were found on 9K : USD 1640
Do I need a passport to fly between ISP and IAH?
No
What’s the latest departure time from ISP to IAH ?
The last flight leaves ISP at 2:16 pm

Islip (ISP) to Houston (IAH): Airport Information

Origin Airport Long Island Mac Arthur , Islip, US
Destination Airport George Bush Intercontinental Houston , Houston, US
Distance 1454 miles

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