Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Islip, New York to Houston from $103

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.
Frontier Logo
5:43 pm - 9:14 pmISP  Islip Long Island-IAH Houston George Bush Intcntl
28h 31m1 stop Orlando
Frontier Logo
8:25 pm - 4:58 pmIAH  Houston George Bush Intcntl-ISP Islip Long Island
19h 33m1 stop Orlando
$199Frontier
Tue, Sep 22 - Mon, Sep 28
Multiple Airlines Logo
5:43 pm - 9:14 pmISP  Islip Long Island-IAH Houston George Bush Intcntl
28h 31m1 stop Orlando
Multiple Airlines Logo
8:25 pm - 12:58 pmIAH  Houston George Bush Intcntl-ISP Islip Long Island
15h 33m2 stops Orlando Wilmington New Hanover County
$203Multiple Airlines
Tue, Sep 22 - Mon, Sep 28
Frontier Logo
5:43 pm - 9:26 amISP  Islip Long Island-IAH Houston George Bush Intcntl
16h 43m1 stop Orlando
Frontier Logo
12:21 pm - 4:58 pmIAH  Houston George Bush Intcntl-ISP Islip Long Island
27h 37m1 stop Orlando
$236Frontier
Sat, Sep 12 - Sat, Sep 19
Frontier Logo
5:43 pm - 9:14 pmISP  Islip Long Island-IAH Houston George Bush Intcntl
28h 31m1 stop Orlando
Frontier Logo
8:25 pm - 4:58 pmIAH  Houston George Bush Intcntl-ISP Islip Long Island
19h 33m1 stop Orlando
$248Frontier
Tue, Sep 15 - Mon, Sep 21
Frontier Logo
5:43 pm - 3:13 pmISP  Islip Long Island-IAH Houston George Bush Intcntl
22h 30m1 stop Orlando
Frontier Logo
8:25 pm - 4:58 pmIAH  Houston George Bush Intcntl-ISP Islip Long Island
19h 33m1 stop Orlando
$254Frontier
Tue, Sep 29 - Sat, Oct 3
Frontier Logo
5:43 pm - 9:14 pmISP  Islip Long Island-IAH Houston George Bush Intcntl
28h 31m1 stop Orlando
Frontier Logo
12:21 pm - 4:58 pmIAH  Houston George Bush Intcntl-ISP Islip Long Island
27h 37m1 stop Orlando
$256Frontier
Tue, Sep 15 - Sat, Sep 19
Frontier Logo
7:09 pm - 2:32 pmISP  Islip Long Island-IAH Houston George Bush Intcntl
20h 23m1 stop Orlando
Frontier Logo
8:25 pm - 4:58 pmIAH  Houston George Bush Intcntl-ISP Islip Long Island
19h 33m1 stop Orlando
$262Frontier
Mon, Sep 7 - Fri, Sep 11
Frontier Logo
6:54 pm - 9:21 amISP  Islip Long Island-IAH Houston George Bush Intcntl
15h 27m1 stop Orlando
Frontier Logo
4:21 pm - 2:33 pmIAH  Houston George Bush Intcntl-ISP Islip Long Island
21h 12m1 stop Orlando
$268Frontier
Fri, Oct 30 - Tue, Nov 3
Southwest Logo
10:55 am - 4:10 pmISP  Islip Long Island-HOU Houston Hobby
6h 15m1 stop Baltimore/Washington
Southwest Logo
1:35 pm - 8:50 pmHOU  Houston Hobby-ISP Islip Long Island
6h 15m1 stop Baltimore/Washington
$275Southwest
Tue, Sep 15 - Sat, Sep 19
Southwest Logo
6:05 am - 10:50 amISP  Islip Long Island-HOU Houston Hobby
5h 45m1 stop Baltimore/Washington
Southwest Logo
7:25 am - 2:30 pmHOU  Houston Hobby-ISP Islip Long Island
6h 05m1 stop Baltimore/Washington
$275Southwest
Tue, Sep 22 - Sat, Sep 26

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Southwest flights from Islip, New York to Houston

Our best Southwest deals on Islip, New York to Houston flight tickets
Southwest
Sep 15
ISP10:55 amIslip Long Island
6h 15m
1 stop
HOU4:10 pmHouston Hobby
Sep 19
HOU1:35 pmHouston Hobby
6h 15m
1 stop
ISP8:50 pmIslip Long Island
$275
Southwest
Sep 22
ISP6:05 amIslip Long Island
5h 45m
1 stop
HOU10:50 amHouston Hobby
Sep 26
HOU10:30 amHouston Hobby
9h 20m
2 stops
ISP8:50 pmIslip Long Island
$330
Southwest
Oct 20
ISP4:20 pmIslip Long Island
7h 50m
2 stops
HOU11:10 pmHouston Hobby
Oct 24
HOU6:00 amHouston Hobby
9h 10m
2 stops
ISP4:10 pmIslip Long Island
$335

JetBlue flights from Islip, New York to Houston

Our best JetBlue deals on Islip, New York to Houston flight tickets
JetBlue
Oct 13
ISP6:00 amIslip Long Island
6h 47m
1 stop
IAH11:47 amHouston George Bush Intcntl
Oct 29
IAH1:00 pmHouston George Bush Intcntl
7h 37m
1 stop
ISP9:37 pmIslip Long Island
$307
JetBlue
Oct 2
ISP7:00 amIslip Long Island
9h 47m
1 stop
IAH3:47 pmHouston George Bush Intcntl
Oct 22
IAH1:00 pmHouston George Bush Intcntl
7h 35m
1 stop
ISP9:35 pmIslip Long Island
$337
JetBlue
Oct 20
ISP6:00 amIslip Long Island
12h 24m
1 stop
IAH5:24 pmHouston George Bush Intcntl
Oct 24
IAH11:25 amHouston George Bush Intcntl
9h 10m
1 stop
ISP9:35 pmIslip Long Island
$357

momondo Fare Finder

 
Use the filters below to find and compare flights from Islip, New York to Houston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

IslipHouston

ISP Islip Long Island - IAH Houston George Bush Intcntl

ISPIAH

Islip Long Island

Tue 9/22

5:43 pm-9:14 pm

1 stop28h 31m

Houston George Bush Intcntl

Mon 9/28

8:25 pm-4:58 pm

1 stop19h 33m

$199

IslipHouston

ISP Islip Long Island - IAH Houston George Bush Intcntl

ISPIAH

Islip Long Island

Tue 9/22

5:43 pm-9:14 pm

1 stop28h 31m

Houston George Bush Intcntl

Mon 9/28

8:25 pm-12:58 pm

2 stops15h 33m

$203

IslipHouston

ISP Islip Long Island - IAH Houston George Bush Intcntl

ISPIAH

Islip Long Island

Sat 9/12

5:43 pm-9:26 am

1 stop16h 43m

Houston George Bush Intcntl

Sat 9/19

12:21 pm-4:58 pm

1 stop27h 37m

$236

IslipHouston

ISP Islip Long Island - IAH Houston George Bush Intcntl

ISPIAH

Islip Long Island

Tue 9/15

5:43 pm-9:14 pm

1 stop28h 31m

Houston George Bush Intcntl

Mon 9/21

8:25 pm-4:58 pm

1 stop19h 33m

$248

IslipHouston

ISP Islip Long Island - IAH Houston George Bush Intcntl

ISPIAH

Islip Long Island

Tue 9/29

5:43 pm-3:13 pm

1 stop22h 30m

Houston George Bush Intcntl

Sat 10/3

8:25 pm-4:58 pm

1 stop19h 33m

$254

IslipHouston

ISP Islip Long Island - IAH Houston George Bush Intcntl

ISPIAH

Islip Long Island

Tue 9/15

5:43 pm-9:14 pm

1 stop28h 31m

Houston George Bush Intcntl

Sat 9/19

12:21 pm-4:58 pm

1 stop27h 37m

$256

IslipHouston

ISP Islip Long Island - IAH Houston George Bush Intcntl

ISPIAH

Islip Long Island

Mon 9/7

7:09 pm-2:32 pm

1 stop20h 23m

Houston George Bush Intcntl

Fri 9/11

8:25 pm-4:58 pm

1 stop19h 33m

$262

IslipHouston

ISP Islip Long Island - IAH Houston George Bush Intcntl

ISPIAH

Islip Long Island

Fri 10/30

6:54 pm-9:21 am

1 stop15h 27m

Houston George Bush Intcntl

Tue 11/3

4:21 pm-2:33 pm

1 stop21h 12m

$268

IslipHouston

ISP Islip Long Island - HOU Houston Hobby

ISPHOU

Islip Long Island

Tue 9/15

10:55 am-4:10 pm

1 stop6h 15m

Houston Hobby

Sat 9/19

1:35 pm-8:50 pm

1 stop6h 15m

$275
Quickest round-trip

IslipHouston

ISP Islip Long Island - HOU Houston Hobby

ISPHOU

Islip Long Island

Tue 9/22

6:05 am-10:50 am

1 stop5h 45m

Houston Hobby

Sat 9/26

7:25 am-2:30 pm

1 stop6h 05m

$275

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

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 month to fly to Houston?

The month of September is, on average, the cheapest month to fly to Houston from Islip, New York, with most prices found around $0. The month of June is another great option to travel to Houston, with average flight prices from Islip, New York averaging around $0.

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

On average, the least expensive day to fly to Houston from Islip, New York is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $341. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Houston on Monday is $464.

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

Our data shows that the cheapest Islip, New York to Houston flights are usually those with departure times at noon. Our users have found flights to Houston at noon for as low as $429. Try not to purchase tickets in the afternoon because they tend to be around $493. Of course, these prices can vary depending on the time of year and what airport you fly to.

Cheap Islip, New York to Houston flight deals and tips

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

Best Price Found

$103

Fastest flight time

6h 00m

Direct flights

None
The best one-way flight to Houston from Islip, New York in the past 72 hours is $103. The best round-trip flight deal from Islip, New York to Houston found on momondo in the last 72 hours is $199.
The fastest flight from Islip, New York to Houston takes 6h 00m
There are no direct flights from Islip, New York to Houston. There are no popular flight routes from Islip, New York to Houston.
Search flight deals

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

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

    The straight-line distance from Islip Long Island to Houston is 1454.8 mi. Typically, this will take 6h 00m by plane in normal conditions.

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

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

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

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

    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.

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

    The necessary travel and health documents for your Houston 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.

Best airlines flying from Islip, New York to Houston

Compare and see reviews for airlines that fly from Islip, New York to Houston with momondo
Airline
Rating
Free Cancellation
Price
SouthwestPriceFrom $266Free CancellationRating
8.0
4,214 reviews
Search Southwest flights

Why use momondo?

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

It is quick and easy to find Islip to Houston flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Houston that suits you.

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

Yes. momondo allows you to filter the results for Islip to Houston flights to just show those with flexible booking policies.

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

Once you have performed a search for Islip to Houston flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to Houston from Islip are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Houston trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 9/23
Wed 9/30
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States