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Not ready to book? to track prices.Find the cheapest flights from Islip, New York to Houston
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Southwest flights from Islip, New York to Houston
Our best Southwest deals on Islip, New York to Houston flight tickets
Frontier flights from Islip, New York to Houston
Our best Frontier deals on Islip, New York to Houston flight tickets
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 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 $318. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Houston on Sunday is $450.
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 $348. Try not to purchase tickets in the morning because they tend to be around $375. Of course, these prices can vary depending on the time of year and what airport you fly to.
What is the cheapest airline that flies from Islip Long Island to Houston?
Frontier and Southwest are the most popular carriers operating from Islip Long Island to Houston
What airlines fly to Houston?
United Airlines, Spirit Airlines and Delta are the top three most popular airlines that fly to Houston from Islip, New York according to our data. United Airlines is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Houston. Keep in mind that there are 7 different airlines that fly to Houston on a routine basis, so you have a few additional options to choose from.
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
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 5h 20m 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?
The number of operators available for flights from Islip Long Island Airport to Houston is 1 as of July 2025.
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 | ||
|---|---|---|---|---|---|
| PriceFrom $343 | Free Cancellation | Rating 8.0 4,266 reviews |
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.