HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Islip

$161+ Cheap flights from Hobby (HOU) to Islip, NY (ISP)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/19. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — ISP
Apr 11 — Apr 181
Sat 4/11
Sat 4/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Hobby to Islip with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Hobby to Islip

Cheapest flights from Hobby to Islip
Explore the most affordable flight options available from Hobby to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 12, 2026.

This Southwest deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/12:45 pm
HOU
-
ISP
2 stops7h 45m
Southwest
Sun 6/73:30 pm
ISP
-
HOU
1 stop7h 20m
Southwest
Deal found 3/11$367
This Southwest deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/27:20 am
HOU
-
ISP
1 stop8h 10m
Southwest
Sun 4/512:20 pm
ISP
-
HOU
1 stop10h 25m
Southwest
Deal found 3/9$459
This Southwest deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/2410:15 am
HOU
-
ISP
1 stop4h 50m
Southwest
Sat 3/2812:15 pm
ISP
-
HOU
1 stop10h 40m
Southwest
Deal found 3/9$460
This Southwest deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/267:20 am
HOU
-
ISP
1 stop8h 10m
Southwest
Mon 3/305:55 pm
ISP
-
HOU
1 stop6h 45m
Southwest
Deal found 3/11$475
This Southwest deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/15:50 am
HOU
-
ISP
1 stop4h 50m
Southwest
Thu 4/25:55 pm
ISP
-
HOU
1 stop6h 45m
Southwest
Deal found 3/7$482

Find flight deals from Hobby to Islip

Discover tips and strategies to find the most affordable flight options for your journey from Hobby (HOU) to Islip (ISP). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$367
(Southwest)

One-way from

$161
(Southwest)

Popular in

December

Cheapest in

September

Average price

$288
Provider with most accurate pricing for Houston Hobby-Islip Long Island flight deals.
Search Deals
Provider most trusted by Cheapflights users for Houston Hobby-Islip Long Island flights.
Search Deals
From Houston Hobby to Islip Long Island
Search Deals
One-way flight from Houston Hobby to Islip Long Island
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($10 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Hobby to Islip 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, Cheapflights users made 2,558,603 searches. Data last updated March 12, 2026.
Use the filters below to find and compare flights from Houston Hobby Airport to Islip that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

HoustonIslip

HOU - ISP

HOUISP

Houston Hobby

Mon 6/1

2:45 pm-11:30 pm

2 stops7h 45m

Islip Long Island

Sun 6/7

5:55 pm-12:05 am

2 stops7h 10m

$402

HoustonIslip

HOU - ISP

HOUISP

Houston Hobby

Tue 3/24

10:15 am-4:05 pm

1 stop4h 50m

Islip Long Island

Sat 3/28

12:15 pm-9:55 pm

1 stop10h 40m

$460

HoustonIslip

HOU - ISP

HOUISP

Houston Hobby

Thu 4/2

7:20 am-4:30 pm

1 stop8h 10m

Islip Long Island

Sun 4/5

5:40 am-1:55 pm

2 stops9h 15m

$468

HoustonIslip

HOU - ISP

HOUISP

Houston Hobby

Thu 3/26

7:20 am-4:30 pm

1 stop8h 10m

Islip Long Island

Mon 3/30

5:55 pm-11:40 pm

1 stop6h 45m

$475

HoustonIslip

HOU - ISP

HOUISP

Houston Hobby

Thu 4/2

7:20 am-4:30 pm

1 stop8h 10m

Islip Long Island

Thu 4/2

5:55 pm-11:40 pm

1 stop6h 45m

$523
Cheapest one-way

HoustonIslip

HOU - ISP

HOUISP

Houston Hobby

Sun 4/19

5:05 am-11:50 am

1 stop5h 45m

$161

HoustonIslip

HOU - ISP

HOUISP

Houston Hobby

Sun 4/5

8:10 am-5:15 pm

2 stops8h 05m

$190

HoustonIslip

HOU - ISP

HOUISP

Houston Hobby

Sat 7/4

5:25 am-1:50 pm

1 stop7h 25m

$219

HoustonIslip

HOU - ISP

HOUISP

Houston Hobby

Tue 5/26

6:00 am-1:50 pm

1 stop6h 50m

$222
Quickest one-way

HoustonIslip

HOU - ISP

HOUISP

Houston Hobby

Wed 3/25

10:15 am-4:05 pm

1 stop4h 50m

$228

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/10

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

Compare providers for flights from Hobby to Islip

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Hobby to Islip in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Houston Hobby Airport-Islip, New York flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Houston Hobby Airport-Islip, New York flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Houston Hobby Airport-Islip, New York flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Houston Hobby Airport-Islip, New York flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Houston Hobby Airport-Islip, New York flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Hobby to Islip

Have a flexible travel schedule? Discover the best time to fly to Islip from Hobby with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Houston Hobby Airport to Islip

What is the cheapest month to book a flight from Houston Hobby Airport to Islip, New York?

Currently, September is the cheapest month in which you can book a flight from Houston Hobby Airport to Islip, New York (average of $80). Flying from Houston Hobby Airport to Islip, New York in July is currently the most expensive (average of $120). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Islip

Get insights into the airlines that provide service to Islip. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Islip. Reviews last updated March 12, 2026.
Get a feel of what it's like to fly with Southwest from Houston Hobby Airport to Islip by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,319 reviews

Comfort

8.0

Overall

8.0

Boarding

8.1

Entertainment

7.5

Food

7.0

Crew

8.6

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.
Southwest
8.0
Very good
4,319 reviews
Southwest
8.0
Very good
4,319 reviews

Comfort

8.0

Overall

8.0

Boarding

8.1

Entertainment

7.5

Food

7.0

Crew

8.6

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.

Related info for your journey

Find useful and relevant information for your journey from Hobby to Islip. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Islip from Houston Hobby?

    Islip Long Island (ISP), located 7.2 mi from the city center, is the airport you fly into when you book flights from Houston Hobby to Islip. 1 airline have flights to Long Island from Houston Hobby on a regular basis. Booking flights from Houston Hobby to Islip Long Island should not be difficult; the airport handles an average of 0 inbound flights from Houston Hobby per day.

  • How long is the flight from Houston Hobby Airport to Islip, New York?

    For as low as $402, Southwest can have you in Islip, New York from Houston Hobby Airport in 7h 45m. There are 1462 mi between Houston Hobby Airport and Islip, New York.

  • What is the cheapest airline to fly from Houston Hobby Airport to Islip, New York round-trip?

    Currently priced at $278, Southwest will fly you from Houston Hobby Airport to Islip, New York and back. In addition to Southwest, many other airlines offer competitively priced options for your trip.

  • Can I find deals for flights from Hobby to Islip that include hotel bookings?

    Yes. In addition to deals on Hobby to Islip flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Hobby to Islip?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Hobby to Islip.

  • Can I find deals for business class flights from Hobby to Islip?

    Yes. Cheapflights offers flight deals from Hobby to Islip by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Houston Hobby Airport to Islip, New York?

    Currently, September is the cheapest month in which you can book a flight from Houston Hobby Airport to Islip, New York (average of $80). Flying from Houston Hobby Airport to Islip, New York in July is currently the most expensive (average of $120). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Islip?

Book flights to Islip if you plan to visit one of these locations
Riverhead

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top airline flying from Hobby to Islip

Discover the top airline that operate flights from Hobby to Islip. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$278Average$576FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.