$75+ Cheap flights from Islip, NY (ISP) to Houston
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 2/26. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Islip to Houston 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 Islip to Houston
Discover tips and strategies to find the most affordable flight options for your journey from Islip (ISP) to Houston (HO1). 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 January 16, 2025.
Round-trip from | $226 (Frontier) |
|---|---|
One-way from | $75 (Cheapflightsfares) |
Find flight deals from Islip to Houston
Cheapest flights from Islip to HoustonExplore the most affordable flight options available from Islip to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 16, 2025.
Explore the most affordable flight options available from Islip to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 16, 2025.
This Frontier deal was found by Cheapflights users on 1/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Mytrip deal was found by Cheapflights users on 1/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Southwest deal was found by Cheapflights users on 1/15. 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.
Find flights from Islip to Houston within your budget
Customize your flight search to find flights from Islip to Houston 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 January 16, 2025.
Fly from
Fly to
Route
Depart
Return
Price
IslipHouston
ISP - IAH
ISPIAH
Islip Long Island
Thu 2/20
9:54 pm-10:12 am
1 stop13h 18m
Houston George Bush Intcntl
Tue 2/25
8:12 pm-8:41 am
1 stop11h 29m
IslipHouston
ISP - IAH
ISPIAH
Islip Long Island
Fri 1/31
5:20 pm-5:00 pm
2 stops24h 40m
Houston George Bush Intcntl
Tue 2/4
10:00 am-1:55 pm
3 stops26h 55m
IslipHouston
ISP - HOU
ISPHOU
Islip Long Island
Wed 2/5
6:10 am-2:25 pm
1 stop9h 15m
Houston Hobby
Fri 2/7
6:40 am-5:00 pm
1 stop9h 20m
IslipHouston
ISP - IAH
ISPIAH
Islip Long Island
Wed 2/26
9:41 am-4:03 pm
1 stop7h 22m
IslipHouston
ISP - IAH
ISPIAH
Islip Long Island
Sat 1/25
7:25 pm-9:28 pm
3 stops27h 03m
IslipHouston
ISP - HOU
ISPHOU
Islip Long Island
Sun 2/9
6:10 am-2:25 pm
1 stop9h 15m
Best time to book a flight from Islip to Houston
Have a flexible travel schedule? Discover the best time to fly to Houston from Islip with our price prediction graph.
Travel insights for flights from Islip to Houston
Get recent, data-driven insights about flights from Islip to Houston including ideal travel times, pricing trends, and more.
What is the cheapest month to book a flight from Islip, New York to Houston?
Currently, September is the cheapest month in which you can book a flight from Islip, New York to Houston (average of $230). Flying from Islip, New York to Houston in March is currently the most expensive (average of $334). 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.
What is the cheapest time of day to fly from ISP to HOU?
Find hourly flight availability from Islip to Houston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 16, 2025.
It’s optimal to fly from Islip, New York to Houston at noon. By choosing this option you can save up to 20% on the cost of your flight, compared to a flight in the morning.
Rainfall in Houston by month
Plan your trip to Houston by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Houston ranges from 3.2 - 5.9 inches per month. June is typically the wettest month, when rainfall can reach 5.9 in. February is typically the driest time to visit Houston when rainfall is around 3.2 in.
Temperature in Houston by month
Plan your trip to Houston by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Houston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 53.6 F).
Reviews of airlines servicing Houston
Get insights into the airlines that provide service to Houston. 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 Houston. Reviews last updated January 16, 2025.
Overall
Comfort
Entertainment
Food
Crew
Boarding
Reviews
My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.
Overall
Comfort
Entertainment
Food
Crew
Boarding
Reviews
My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.