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Cheap flights from Islip, New York to Houston from $161

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Islip, New York to Houston departing on 8/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Islip, New York to Houston

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
12:35 pm - 8:05 pm
ISP
-
HOU
8h 30m
2 stops
Southwest Logo
11:20 am - 9:05 pm
HOU
-
ISP
8h 45m
2 stops
$257Southwest
Thu, Aug 13 - Tue, Aug 18
Southwest Logo
12:35 pm - 8:05 pm
ISP
-
HOU
8h 30m
2 stops
Southwest Logo
11:20 am - 9:05 pm
HOU
-
ISP
8h 45m
1 stop
$258Southwest
Thu, Aug 13 - Tue, Aug 18
Southwest Logo
6:50 am - 1:35 pm
ISP
-
HOU
7h 45m
1 stop
Southwest Logo
12:10 pm - 10:00 pm
HOU
-
ISP
8h 50m
1 stop
$304Southwest
Thu, Oct 22 - Mon, Oct 26
Southwest Logo
5:00 pm - 10:20 pm
ISP
-
HOU
6h 20m
1 stop
Southwest Logo
11:20 am - 9:05 pm
HOU
-
ISP
8h 45m
1 stop
$349Southwest
Thu, Aug 13 - Tue, Aug 18
Southwest Logo
6:00 pm - 12:50 am
ISP
-
HOU
7h 50m
2 stops
Southwest Logo
8:35 pm - 8:05 am
HOU
-
ISP
10h 30m
1 stop
$352Southwest
Thu, Jul 9 - Mon, Jul 13
Southwest Logo
6:00 pm - 12:50 am
ISP
-
HOU
7h 50m
2 stops
Southwest Logo
7:00 pm - 8:05 am
HOU
-
ISP
12h 05m
2 stops
$357Southwest
Thu, Jul 9 - Mon, Jul 13
Southwest Logo
6:00 am - 12:40 pm
ISP
-
HOU
7h 40m
2 stops
Southwest Logo
12:10 pm - 10:00 pm
HOU
-
ISP
8h 50m
1 stop
$358Southwest
Thu, Oct 22 - Mon, Oct 26
Southwest Logo
9:05 am - 2:50 pm
ISP
-
HOU
6h 45m
1 stop
Southwest Logo
4:35 pm - 11:45 pm
HOU
-
ISP
6h 10m
1 stop
$365Southwest
Sat, Jul 4 - Fri, Jul 10
Southwest Logo
6:05 am - 12:50 pm
ISP
-
HOU
7h 45m
2 stops
Southwest Logo
4:35 pm - 11:45 pm
HOU
-
ISP
6h 10m
1 stop
$370Southwest
Sat, Jul 4 - Fri, Jul 10
Southwest Logo
5:35 pm - 12:10 am
ISP
-
HOU
7h 35m
1 stop
Southwest Logo
4:35 pm - 11:45 pm
HOU
-
ISP
6h 10m
1 stop
$389Southwest
Sat, Jul 11 - Fri, Jul 17

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Southwest flights from Islip, New York to Houston Hobby Airport

Our best Southwest deals on Islip, New York to Houston Hobby Airport flight tickets
Southwest
Aug 13
ISP12:35 pmIslip Long Island
8h 30m
2 stops
HOU8:05 pmHouston Hobby
Aug 18
HOU11:20 amHouston Hobby
8h 45m
2 stops
ISP9:05 pmIslip Long Island
$257
Southwest
Aug 13
ISP12:35 pmIslip Long Island
8h 30m
2 stops
HOU8:05 pmHouston Hobby
Aug 18
HOU11:20 amHouston Hobby
8h 45m
1 stop
ISP9:05 pmIslip Long Island
$258
Southwest
Oct 22
ISP6:50 amIslip Long Island
7h 45m
1 stop
HOU1:35 pmHouston Hobby
Oct 26
HOU12:10 pmHouston Hobby
8h 50m
1 stop
ISP10:00 pmIslip Long Island
$304

momondo Fare Finder

 
Customize your flight search to find flights from Islip, New York to Houston Hobby Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated June 9, 2026.
Use the filters below to find and compare flights from Islip, New York to Houston Hobby Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

IslipHouston

ISP - HOU

ISPHOU

Islip Long Island

Thu 8/13

12:35 pm-8:05 pm

2 stops8h 30m

Houston Hobby

Tue 8/18

11:20 am-9:05 pm

2 stops8h 45m

$257

IslipHouston

ISP - HOU

ISPHOU

Islip Long Island

Thu 8/13

12:35 pm-8:05 pm

2 stops8h 30m

Houston Hobby

Tue 8/18

11:20 am-9:05 pm

1 stop8h 45m

$258

IslipHouston

ISP - HOU

ISPHOU

Islip Long Island

Thu 10/22

6:50 am-1:35 pm

1 stop7h 45m

Houston Hobby

Mon 10/26

12:10 pm-10:00 pm

1 stop8h 50m

$304

IslipHouston

ISP - HOU

ISPHOU

Islip Long Island

Thu 8/13

5:00 pm-10:20 pm

1 stop6h 20m

Houston Hobby

Tue 8/18

11:20 am-9:05 pm

1 stop8h 45m

$349

IslipHouston

ISP - HOU

ISPHOU

Islip Long Island

Thu 7/9

6:00 pm-12:50 am

2 stops7h 50m

Houston Hobby

Mon 7/13

8:35 pm-8:05 am

1 stop10h 30m

$352

IslipHouston

ISP - HOU

ISPHOU

Islip Long Island

Thu 7/9

6:00 pm-12:50 am

2 stops7h 50m

Houston Hobby

Mon 7/13

7:00 pm-8:05 am

2 stops12h 05m

$357

IslipHouston

ISP - HOU

ISPHOU

Islip Long Island

Thu 10/22

6:00 am-12:40 pm

2 stops7h 40m

Houston Hobby

Mon 10/26

12:10 pm-10:00 pm

1 stop8h 50m

$358
Quickest round-trip

IslipHouston

ISP - HOU

ISPHOU

Islip Long Island

Sat 7/4

9:05 am-2:50 pm

1 stop6h 45m

Houston Hobby

Fri 7/10

4:35 pm-11:45 pm

1 stop6h 10m

$365

IslipHouston

ISP - HOU

ISPHOU

Islip Long Island

Sat 7/4

6:05 am-12:50 pm

2 stops7h 45m

Houston Hobby

Fri 7/10

4:35 pm-11:45 pm

1 stop6h 10m

$370

IslipHouston

ISP - HOU

ISPHOU

Islip Long Island

Sat 7/11

5:35 pm-12:10 am

1 stop7h 35m

Houston Hobby

Fri 7/17

4:35 pm-11:45 pm

1 stop6h 10m

$389

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Houston from

How to get the cheapest flight ticket from Islip, New York to Houston Hobby Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Houston Hobby Airport?

Our data shows that Thursday is the least expensive day to fly to Houston Hobby Airport. Tickets to fly out on this day can be as low as $332. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Houston Hobby Airport on Sunday is $449.

What is the cheapest time of day to depart on your flight to Houston Hobby Airport?

According to our data, the cheapest time of day to fly to Houston Hobby Airport is at noon. momondo users have found flights departing from Islip, New York to Houston Hobby Airport at noon for as low as $422. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the afternoon because they tend to be around $470. Of course, these prices can vary depending on the time of year and what airport you fly to.

When to book flights from Islip, New York to Houston Hobby Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Islip, New York to Houston Hobby Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Islip, New York to Houston Hobby Airport (ISP to HOU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Islip, New York to Houston Hobby Airport

Fastest flight time

6h 47m

Direct flights

None
The fastest flight from Islip, New York to Houston Hobby Airport takes 6h 47m
There are no direct flights from Islip, New York to Houston Hobby Airport. There are no popular flight routes from Islip, New York to Houston Hobby Airport.
Search flight deals

Frequently asked questions about flying from Islip, New York to Houston Hobby Airport

  • How far is Islip Long Island to Houston Hobby by plane?

    The distance between Islip Long Island and Houston Hobby is about 1455.1 mi. A reasonable flight in good conditions will take 6h 47m.

  • When did momondo last update prices for flights from Islip Long Island Airport to Houston Hobby Airport?

    Prices for flights from Islip Long Island Airport to Houston Hobby Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Islip Long Island Airport to Houston Hobby Airport?

  • How old do you have to be to fly from Islip Long Island Airport to Houston Hobby Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Islip Long Island Airport to Houston Hobby Airport.

  • What documentation or ID do you need to fly to Houston Hobby Airport?

    The necessary travel and health documents for your Houston Hobby Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Islip, New York to Houston Hobby Airport?

Best airlines flying from Islip, New York to Houston Hobby Airport

Compare and see reviews for airlines that fly from Islip, New York to Houston Hobby Airport with momondo
Airline
Rating
Free Cancellation
Price
SouthwestPriceFrom $266Free CancellationRating
7.9
4,240 reviews
Search Southwest flights

Traveling to a place near Houston?

Book flights to Houston if you plan to visit one of these locations
Galveston
Sugar Land
Pasadena
Texas City
Baytown
Webster
Rosenberg
Kemah
League City
Pearland
Freeport
Lake Jackson
Stafford
Seabrook
Missouri City
West University Place
La Marque
Nassau Bay

Why use momondo?

Why should I use momondo to find a flight deal from Islip to Houston?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Islip to Houston. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Islip to Houston with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Houston from Islip with this policy.

How can momondo help me find flights from Islip to Houston?

momondo provides multiple filters to help you find the best flight to Houston from Islip. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Islip to Houston right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Islip to Houston now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Houston and let you know when they change.

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