Cheap Flight Tickets from Houston (IAH) to Islip (ISP), Starting at $400

Good to Know: Cheapest and Fastest IAH - ISP Flights

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

Cheapest Round Trip Flight

$400

F9 Frontier Airlines • 1 stop • 28h 48m

Aug 21 – Aug 28

The cheapest round trip flight from Houston to Islip (IAH-ISP-IAH) is currently $400

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Fastest Flight

12h 14m

The fastest nonstop flight from Houston to Islip (IAH-ISP) takes 12h 14m

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

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

Aug 21 - Aug 28, Economy
F9
Houston → Islip
28h 48m
3:25 PM - 9:53 AM • 1 stop
F9
Houston → Islip
22h 33m
7:09 PM - 8:02 AM • 1 stop
$400
Frontier Airlines
Aug 21 - Aug 28, Economy
F9
Houston → Islip
13h 37m
8:57 AM - 6:14 PM • 1 stop
F9
Houston → Islip
22h 33m
7:09 PM - 8:02 AM • 1 stop
$400
Frontier Airlines
Aug 21 - Aug 28, Economy
UA
Houston → Islip
24h 16m
6:34 PM - 10:30 AM • 1 stop
9K
Houston → Islip
17h 31m
7:05 AM - 4:56 PM • 1 stop
$1361
United Airlines
Aug 21 - Aug 28, Economy
UA
Houston → Islip
12h 14m
12:25 PM - 8:59 PM • 1 stop
9K
Houston → Islip
20h 58m
7:05 AM - 7:03 PM • 1 stop
$1466
United Airlines
Aug 21 - Aug 28, Economy
UA
Houston → Islip
16h 55m
7:20 AM - 6:35 PM • 1 stop
9K
Houston → Islip
17h 31m
7:05 AM - 4:56 PM • 1 stop
$1526
United Airlines
Aug 21 - Aug 28, Economy
UA
Houston → Islip
17h 4m
9:35 AM - 8:59 PM • 1 stop
9K
Houston → Islip
17h 31m
7:05 AM - 4:56 PM • 1 stop
$1561
United Airlines

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

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

FAQs on Houston to Islip Flights

What are the airports in Houston?
IAH
What’s the most popular airline flying from IAH to ISP?
The most popular airline flying from Houston to Islip are
Can I fly from IAH to ISP non-stop?
NO
Which airlines fly nonstop between Houston and Islip?
The non-stop flights between Houston and Islip are .
What’s the earliest departure time from IAH to ISP Airport?
The earliest flight leaves IAH at 7:20 am and lands in ISP - Long Island Mac Arthur
What are the airports in Islip?
ISP
Can I make changes to my Houston to Islip 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 IAH to ISP?
Read the fare rules of the Houston to Islip 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 Houston and Islip?
operate flights between Houston and Islip
How long does a flight from Houston to Islip take?
It takes approximately 4 hour to fly non-stop from IAH to ISP, which is 1453.78 miles by air.
Which airlines provide the cheapest flights from Houston (IAH) to Islip (ISP) ?
In the past couple of days, the cheapest tickets to ISP from IAH were found on F9 : USD 400
Do I need a passport to fly between IAH and ISP?
No
What’s the latest departure time from IAH to ISP ?
The last flight leaves IAH at 6:34 pm

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

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

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