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$73+ Cheap flights from Islip (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 2/21. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — HOU
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
1 adult, Economy
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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 November 21, 2024.

Find flight deals from Islip to Houston

Cheapest flights from Islip to Houston
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 November 21, 2024.

This KAYAK deal was found by Cheapflights users on 11/19. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/168:12 pmISP - IAH
1 stop12h 06mFrontier
Fri 12/208:18 amIAH - ISP
1 stop11h 20mFrontier
Deal found 11/19$388
This Southwest deal was found by Cheapflights users on 11/19. 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.
Sun 12/223:15 pmISP - HOU
1 stop9h 15mSouthwest
Thu 1/27:45 amHOU - ISP
1 stop9h 35mSouthwest
Deal found 11/19$476
This Mytrip deal was found by Cheapflights users on 11/19. 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.
Sun 12/221:57 pmISP - IAH
2 stops10h 34mMultiple Airlines
Thu 1/25:00 amIAH - ISP
2 stops7h 17mMultiple Airlines
Deal found 11/19$556

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 2,629,791 searches. Data last updated November 21, 2024.

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Price

IslipHouston

ISP - IAH

ISPIAH

Islip Long Island

Mon 1/20

11:48 am-11:06 am

1 stop24h 18m

Houston George Bush Intcntl

Fri 1/24

9:10 pm-11:43 am

1 stop13h 33m

$138

IslipHouston

ISP - HOU

ISPHOU

Islip Long Island

Wed 1/8

6:10 am-2:25 pm

1 stop9h 15m

Houston Hobby

Tue 1/14

6:10 am-3:15 pm

1 stop8h 05m

$334

IslipHouston

ISP - IAH

ISPIAH

Islip Long Island

Wed 1/8

7:25 pm-11:13 pm

3 stops28h 48m

Houston George Bush Intcntl

Tue 1/14

6:15 pm-6:45 pm

2 stops23h 30m

$391

IslipHouston

ISP - IAH

ISPIAH

Islip Long Island

Fri 2/21

9:07 am-3:26 pm

1 stop7h 19m

$73

IslipHouston

ISP - IAH

ISPIAH

Islip Long Island

Mon 1/6

7:53 pm-5:11 pm

1 stop22h 18m

$85

IslipHouston

ISP - HOU

ISPHOU

Islip Long Island

Wed 12/4

4:30 pm-9:25 pm

1 stop5h 55m

$253

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

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.
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.

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 $332). 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.

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 November 21, 2024.
Southwest
8.1
Very good
5,015 reviews

Entertainment

7.7

Boarding

8.2

Crew

8.7

Comfort

8.1

Food

7.2

Overall

8.1

Reviews

1 / 10

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.

Southwest
8.1
Very good
5,015 reviews
Southwest
8.1
Very good
5,015 reviews

Entertainment

7.7

Boarding

8.2

Crew

8.7

Comfort

8.1

Food

7.2

Overall

8.1

Reviews

1 / 10

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.

Frontier
6.1
Okay
3,539 reviews
Southwest
8.1
Very good
5,015 reviews

Entertainment

7.7

Boarding

8.2

Crew

8.7

Comfort

8.1

Food

7.2

Overall

8.1

Reviews

1 / 10

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.

Related info for your journey

Find useful and relevant information for your journey from Islip to Houston. 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 from for flights from Islip to Houston?

    For a flight from Islip to Houston, you will be flying from Long Island. Islip Long Island (ISP) is just 7.2 mi from the center of the city. Long Island is the only Islip airport and it handles 0 outbound flights to Houston per day. 0 airlines have flights to Houston from Islip Long Island on a regular basis.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Islip to Houston 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 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 $332). 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

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