Which airports can I use when flying from Houston to Islip?

Flights from Houston to Islip may depart from several airports in Houston area, including Houston Hobby (HOU) and Houston George Bush Intcntl (IAH). Flights usually arrive at Islip Long Island (ISP).

What cabin classes can I book on flights from Houston to Islip?

Only Economy Class is available on flights from Houston to Islip.

Which airports do connecting flights from Houston to Islip pass through?

Connecting flights from Houston to Islip most commonly pass through: • Baltimore/Washington (BWI) - 75% of one-stop connections • Orlando (MCO) - 25% of one-stop connections Together, these airports account for 100% of one-stop bookings on this route.

Can I save money by using flexible dates for flights from Houston to Islip?

Yes. Being flexible with your travel dates can save you up to 54% on the Houston to Islip route. Wednesday is the cheapest departure day at $327 round-trip on average, while Tuesday is the most expensive at $700, a difference of $373. 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 to Islip?

A nonstop flight from Houston to Islip takes 0h 00m, covering 1,462 miles.

Do I need a passport to fly from Houston 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 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 $271 to $1,519. That means the highest observed fare was about 6x higher than the lowest one.

How are flight prices from Houston to Islip looking right now?

One-way fares from Houston to Islip are currently lower than usual. Average one-way flight prices are about $166, which is 15% below the typical average for this route.

How much time can I save by choosing a different layover airport from Houston to Islip?

Flying via Baltimore/Washington (BWI) gives the shortest average 1-stop total travel time at 6h 13m, compared with 15h 12m via Orlando (MCO).

What is the time difference between Houston and Islip?

Islip is 1 hour ahead of Houston (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

How much should I expect to pay for a Houston to Islip flight?

Round-trip flights from Houston to Islip range from $327 to $664, with an average of $468 over the past 12 months. Anything below $327 counts as a good deal.

What is the cheapest airline to fly from Houston to Islip?

Frontier ($271) and Southwest ($334) are the cheapest airlines to fly round-trip from Houston to Islip according to KAYAK data over the last 5 days.

What is the most popular layover airport when flying from Houston to Islip?

Baltimore/Washington (BWI) is the most popular layover for the Houston to Islip route. 75% of KAYAK users who booked 1-stop round-trips over the past 3 months connected via BWI.

What is the cheapest layover airport when flying from Houston to Islip?

Flights via Orlando (MCO) offer the most affordable fares, with an average round-trip price of $293. Based on KAYAK data over the past 3 months.

When flying from Houston to Islip which airport offers the shortest layover?

Baltimore/Washington (BWI) had the shortest average connection time for Houston to Islip layovers at 249 minutes over the past 3 months.

$122 CHEAP FLIGHTS from Houston to Islip (HO1 - ISP)

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Cheapest round-trip

$271

Typical prices: $327-$664

Frontier

Tue 10/30Fri 11/2

IAH - ISP • 1 stop

Cheapest one-way

$122

Typical prices: $141-$292

Southwest

Wed 10/24

HOU - ISP • 1 stop

Nonstop flights

Not available

There are currently no direct flights between Houston and Islip. You'll need to take a connecting flight to reach the destination.

Insights

Top routes

IAH - ISP

Cheapest • 39% average savings

HOU - ISP

Most popular

Insights

Top layover airports

Orlando (MCO)

Cheapest • Avg $293 (round-trip)

Baltimore/Washington (BWI)

Shortest trip • 6h 13m (one-way)

Insights

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We hope you love your trip to Islip!

Flight Deals

Cheap Flights from Houston to Islip

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

Round-trip

One-way

Last minute

Recent round-trip flight deals from Houston to Islip

Fri, Oct 23 - Mon, Oct 26

8:35 pm - 5:30 pmIAH Houston George Bush Intcntl-ISP Islip Long Island

19h 55m1 stop Orlando

6:55 pm - 8:55 pmISP Islip Long Island-IAH Houston George Bush Intcntl

27h 00m1 stop Orlando

$236Frontier

Fri, Oct 23 - Mon, Oct 26

9:12 pm - 5:30 pmIAH Houston George Bush Intcntl-ISP Islip Long Island

19h 18m2 stops Atlanta Hartsfield-Jackson Orlando

6:55 pm - 8:55 pmISP Islip Long Island-IAH Houston George Bush Intcntl

27h 00m1 stop Orlando

$259Frontier

Fri, Oct 30 - Mon, Nov 2

8:35 pm - 5:31 pmIAH Houston George Bush Intcntl-ISP Islip Long Island

19h 56m1 stop Orlando

6:54 pm - 3:30 pmISP Islip Long Island-IAH Houston George Bush Intcntl

21h 36m1 stop Orlando

$271Frontier

Fri, Oct 16 - Tue, Oct 20

8:35 pm - 5:30 pmIAH Houston George Bush Intcntl-ISP Islip Long Island

19h 55m1 stop Orlando

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

8:35 pm - 5:31 pmIAH Houston George Bush Intcntl-ISP Islip Long Island

19h 56m1 stop Orlando

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

8:35 pm - 5:31 pmIAH Houston George Bush Intcntl-ISP Islip Long Island

19h 56m1 stop Orlando

6:54 pm - 3:30 pmISP Islip Long Island-IAH Houston George Bush Intcntl

21h 36m1 stop Orlando

$302Frontier

Fri, Oct 23 - Mon, Oct 26

9:12 pm - 5:30 pmIAH Houston George Bush Intcntl-ISP Islip Long Island

19h 18m2 stops Atlanta Hartsfield-Jackson Orlando

6:55 pm - 11:34 amISP Islip Long Island-IAH Houston George Bush Intcntl

41h 39m2 stops Orlando Atlanta Hartsfield-Jackson

$315Frontier

Thu, Dec 10 - Sun, Dec 13

8:10 pm - 9:01 amIAH Houston George Bush Intcntl-ISP Islip Long Island

11h 51m1 stop Orlando

9:56 am - 7:57 pmISP Islip Long Island-IAH Houston George Bush Intcntl

11h 01m1 stop Orlando

$328Frontier

Thu, Dec 10 - Sun, Dec 13

5:40 am - 4:15 pmHOU Houston Hobby-ISP Islip Long Island

9h 35m1 stop Baltimore/Washington

5:35 am - 1:35 pmISP Islip Long Island-HOU Houston Hobby

9h 00m1 stop Baltimore/Washington

$334Southwest

Wed, Nov 25 - Wed, Dec 2

4:35 pm - 11:40 pmHOU Houston Hobby-ISP Islip Long Island

6h 05m1 stop Orlando

12:30 pm - 6:50 pmISP Islip Long Island-HOU Houston Hobby

7h 20m1 stop Baltimore/Washington

$347Southwest

Recent last minute flight deals from Houston to Islip

Sat, Sep 19 - Mon, Sep 21

8:25 pm - 4:58 pmIAH Houston George Bush Intcntl-ISP Islip Long Island

19h 33m1 stop Orlando

5:43 pm - 9:14 pmISP Islip Long Island-IAH Houston George Bush Intcntl

28h 31m1 stop Orlando

$514Frontier

Sat, Sep 19 - Mon, Sep 21

8:25 pm - 4:58 pmIAH Houston George Bush Intcntl-ISP Islip Long Island

19h 33m1 stop Orlando