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Cheap flights from Houston to Islip (ISP) from $85

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 6/18. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
HOU — ISP
May 21 — May 281
From?
To?
Tue 5/21
Tue 5/28
1 adult, Economy
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How far in advance should I book a flight from Houston to Islip, New York?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 42 days in advance, which can save you up to 108% on flights from Houston to Islip, New York compared to booking the week you need them. Waiting 42 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $274. For sooner than that we have options available in the next 3 days from $379.

What is the cheapest month to fly from Houston to Islip, New York?

February is one of the best times of the year to fly to Islip, New York from Houston. Prices for February average $251 per person but you can even find prices for as low as $98. The most expensive prices can be found in the month of June. Opting for a February flight can save you 25% on your journey compared to booking in June

When is the cheapest time to fly from Houston to Islip, New York (IAH - ISP)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Houston to Islip, New York as you normally would.

Cheap Frontier flights from Houston to Islip

Explore cheap flight options specifically provided by Frontier for the route between Houston and Islip. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
Tue 6/47:15 amIAH - ISP
1 stop12h 08mFrontier
Thu 6/611:37 amISP - IAH
1 stop8h 06mFrontier
Deal found 5/15$145
Thu 6/139:19 pmIAH - ISP
1 stop9h 21mFrontier
Thu 6/2011:37 amISP - IAH
1 stop8h 06mFrontier
Deal found 5/16$170
Thu 5/307:15 amIAH - ISP
1 stop9h 51mFrontier
Sun 6/210:27 pmISP - IAH
1 stop13h 46mFrontier
Deal found 5/15$176
Tue 6/187:15 amIAH - ISP
1 stop5h 39mFrontier
Tue 6/252:45 pmISP - IAH
1 stop7h 37mFrontier
Deal found 5/16$214
Thu 5/237:15 amIAH - ISP
1 stop9h 51mFrontier
Tue 5/289:42 pmISP - IAH
1 stop11h 02mFrontier
Deal found 5/16$215
Fri 6/216:24 pmIAH - ISP
1 stop12h 16mFrontier
Tue 6/252:45 pmISP - IAH
1 stop7h 37mFrontier
Deal found 5/16$218
Sat 6/226:13 pmIAH - ISP
1 stop12h 27mFrontier
Tue 6/252:45 pmISP - IAH
1 stop7h 37mFrontier
Deal found 5/16$228
Tue 6/47:15 amIAH - ISP
1 stop12h 08mFrontier
Tue 6/112:45 pmISP - IAH
1 stop7h 37mFrontier
Deal found 5/15$229
Sat 6/86:13 pmIAH - ISP
1 stop12h 27mFrontier
Sun 6/911:07 amISP - IAH
1 stop8h 36mFrontier
Deal found 5/15$239

Cheap Houston to Islip flights in May & June 2024

Find cheap flight options from Houston to Islip specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,637,452 searches. Prices were last updated on May 16, 2024.
Tue 6/47:15 amIAH - ISP
1 stop12h 08mFrontier
Thu 6/611:37 amISP - IAH
1 stop8h 06mFrontier
Deal found 5/15$145
Thu 6/139:19 pmIAH - ISP
1 stop9h 21mFrontier
Thu 6/2011:37 amISP - IAH
1 stop8h 06mFrontier
Deal found 5/16$170
Thu 5/307:15 amIAH - ISP
1 stop9h 51mFrontier
Sun 6/210:27 pmISP - IAH
1 stop13h 46mFrontier
Deal found 5/15$176
Tue 6/187:15 amIAH - ISP
1 stop5h 39mFrontier
Tue 6/252:45 pmISP - IAH
1 stop7h 37mFrontier
Deal found 5/16$214
Thu 5/237:15 amIAH - ISP
1 stop9h 51mFrontier
Tue 5/289:42 pmISP - IAH
1 stop11h 02mFrontier
Deal found 5/16$215
Fri 6/216:24 pmIAH - ISP
1 stop12h 16mFrontier
Tue 6/252:45 pmISP - IAH
1 stop7h 37mFrontier
Deal found 5/16$218
Sat 5/188:14 pmIAH - ISP
1 stop10h 59mFrontier
Tue 5/219:42 pmISP - IAH
1 stop11h 02mFrontier
Deal found 5/16$225
Sat 6/226:13 pmIAH - ISP
1 stop12h 27mFrontier
Tue 6/252:45 pmISP - IAH
1 stop7h 37mFrontier
Deal found 5/16$228
Tue 6/47:15 amIAH - ISP
1 stop12h 08mFrontier
Tue 6/112:45 pmISP - IAH
1 stop7h 37mFrontier
Deal found 5/15$229

Houston to Islip 2024 flight deals

Discover exclusive flight deals for travel between Houston and Islip in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
Tue 6/47:15 amIAH - ISP
1 stop12h 08mFrontier
Thu 6/611:37 amISP - IAH
1 stop8h 06mFrontier
Deal found 5/15$145
Thu 6/139:19 pmIAH - ISP
1 stop9h 21mFrontier
Thu 6/2011:37 amISP - IAH
1 stop8h 06mFrontier
Deal found 5/16$170
Thu 5/307:15 amIAH - ISP
1 stop9h 51mFrontier
Sun 6/210:27 pmISP - IAH
1 stop13h 46mFrontier
Deal found 5/15$176
Tue 6/187:15 amIAH - ISP
1 stop5h 39mFrontier
Tue 6/252:45 pmISP - IAH
1 stop7h 37mFrontier
Deal found 5/16$214
Thu 5/237:15 amIAH - ISP
1 stop9h 51mFrontier
Tue 5/289:42 pmISP - IAH
1 stop11h 02mFrontier
Deal found 5/16$215
Fri 6/216:24 pmIAH - ISP
1 stop12h 16mFrontier
Tue 6/252:45 pmISP - IAH
1 stop7h 37mFrontier
Deal found 5/16$218
Sat 5/188:14 pmIAH - ISP
1 stop10h 59mFrontier
Tue 5/219:42 pmISP - IAH
1 stop11h 02mFrontier
Deal found 5/16$225
Sat 6/226:13 pmIAH - ISP
1 stop12h 27mFrontier
Tue 6/252:45 pmISP - IAH
1 stop7h 37mFrontier
Deal found 5/16$228
Tue 6/47:15 amIAH - ISP
1 stop12h 08mFrontier
Tue 6/112:45 pmISP - IAH
1 stop7h 37mFrontier
Deal found 5/15$229

Houston to Islip flights leaving soon

Find last-minute flight options from Houston to Islip for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
Thu 5/237:15 amIAH - ISP
1 stop9h 51mFrontier
Tue 5/289:42 pmISP - IAH
1 stop11h 02mFrontier
Deal found 5/16$215
Sat 5/258:05 pmIAH - ISP
1 stop11h 08mFrontier
Sat 6/14:49 pmISP - IAH
1 stop27h 19mFrontier
Deal found 5/16$330

One-way flights to Islip from Houston

Search for one-way flight options from Houston to Islip. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
Tue 6/187:15 amIAH - ISP
1 stop5h 39mFrontier
Deal found 5/16$85
Sat 6/156:13 pmIAH - ISP
1 stop12h 27mFrontier
Deal found 5/15$91
Fri 6/216:24 pmIAH - ISP
1 stop12h 16mFrontier
Deal found 5/16$95
Sat 6/226:13 pmIAH - ISP
1 stop12h 27mFrontier
Deal found 5/16$105
Sun 6/169:19 pmIAH - ISP
1 stop9h 21mFrontier
Deal found 5/16$115
Fri 7/56:25 pmIAH - ISP
1 stop13h 13mFrontier
Deal found 5/15$149
Sat 9/76:13 pmIAH - ISP
1 stop13h 13mFrontier
Deal found 5/15$165
Sat 5/258:05 pmIAH - ISP
1 stop11h 08mFrontier
Deal found 5/15$175
Fri 10/119:23 amHOU - ISP
1 stop10h 22mFrontier
Deal found 5/15$221

Find flights from Houston to Islip within your budget

Customize your flight search to find flights from Houston 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 2,637,452 searches. Data last updated May 16, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$145 - $240

Route

Depart

Return

Price

Houston George Bush IntcntlIslip Long Island

IAH - ISP

IAHISP

Houston George Bush Intcntl

Tue 6/4

1 stop12h 08m

Islip Long Island

Thu 6/6

1 stop8h 06m

$145

Houston George Bush IntcntlIslip Long Island

IAH - ISP

IAHISP

Houston George Bush Intcntl

Thu 6/13

1 stop9h 21m

Islip Long Island

Thu 6/20

1 stop8h 06m

$170

Houston George Bush IntcntlIslip Long Island

IAH - ISP

IAHISP

Houston George Bush Intcntl

Thu 5/30

1 stop9h 51m

Islip Long Island

Sun 6/2

1 stop13h 46m

$176

Houston George Bush IntcntlIslip Long Island

IAH - ISP

IAHISP

Houston George Bush Intcntl

Tue 6/18

1 stop5h 39m

Islip Long Island

Tue 6/25

1 stop7h 37m

$214

Houston George Bush IntcntlIslip Long Island

IAH - ISP

IAHISP

Houston George Bush Intcntl

Fri 6/21

1 stop12h 16m

Islip Long Island

Tue 6/25

1 stop7h 37m

$218

Houston George Bush IntcntlIslip Long Island

IAH - ISP

IAHISP

Houston George Bush Intcntl

Sat 6/22

1 stop12h 27m

Islip Long Island

Tue 6/25

1 stop7h 37m

$228

Houston George Bush IntcntlIslip Long Island

IAH - ISP

IAHISP

Houston George Bush Intcntl

Tue 6/4

1 stop12h 08m

Islip Long Island

Tue 6/11

1 stop7h 37m

$229

Houston George Bush IntcntlIslip Long Island

IAH - ISP

IAHISP

Houston George Bush Intcntl

Sat 6/8

1 stop12h 27m

Islip Long Island

Sun 6/9

1 stop8h 36m

$239

Houston George Bush IntcntlIslip Long Island

IAH - ISP

IAHISP

Houston George Bush Intcntl

Thu 7/18

1 stop10h 25m

Islip Long Island

Sun 7/21

1 stop10h 02m

$240

Flights are sorted by cheapest first

Deals found on 5/15

No data available for this route at this time. Please check back soon.

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 May 16, 2024.
Frontier
6.3
Okay
4,060 reviews
Check prices

Entertainment

4.9

Overall

6.3

Food

5.2

Boarding

6.6

Comfort

5.8

Crew

7.1

Reviews

1 / 10

Inexpensive flight, and everything is an extra charge, so okay, fair deal!

Frontier
6.3
Okay
4,060 reviews
Frontier
6.3
Okay
4,060 reviews
Check prices

Entertainment

4.9

Overall

6.3

Food

5.2

Boarding

6.6

Comfort

5.8

Crew

7.1

Reviews

1 / 10

Inexpensive flight, and everything is an extra charge, so okay, fair deal!

Related info for your journey

Find useful and relevant information for your journey from Houston 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?

    For a flight from Houston to Islip, you will be flying into 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 inbound flights from Houston per day. 0 airlines have flights to Islip Long Island from Houston on a regular basis.

  • Can I find flights from Houston to Islip, New York for under $200 on Cheapflights?

    Yes, there are multiple flights from Houston to Islip, New York for under $200. The cheapest flight booked recently is on Frontier for just $145, but on average you can expect to pay $334.

  • Are there last-minute flights available from Houston to Islip, New York for under $300?

    There are currently 2+ open flights from Houston to Islip, New York within the next 7 days for less than $300.

  • What does IAH to ISP mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Houston George Bush Intcntl Airport to Islip Long Island Airport flight would often be abbreviated as a IAH to ISP flight. Houston Hobby Airport (HOU), College Station Easterwood Field Airport (CLL), Beaumont Jefferson County Airport (BPT) are other airports near this flight route and their unique identifiers/IATA codes.

  • Can I find deals for flights from Houston to Islip that include extra baggage allowance?

    The amount of baggage you can bring on your Houston to Islip flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Houston to Islip with specific airlines?

    Yes, Cheapflights allows you to browse and filter Houston to Islip flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Houston 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.

  • Can I find deals for flights from Houston to Islip that allow pets onboard?

    Many airlines flying from Houston to Islip offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Houston to Islip?

    Yes, you can often find last-minute deals on Houston to Islip flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Houston to Islip, New York flight deals updated?

    The Houston to Islip, New York flight deals you see on this page were last updated on 5/16.

See more FAQs

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Alternative routes for Houston to Islip
See prices for flight routes from nearby airports that may be better suited for you.

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Search flights from Houston to Islip by cabin class

Find flights from Houston to Islip, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

Weekly flight availability from Houston to Islip

Explore weekly flight availability from Houston to Islip. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated May 16, 2024.
Sunday0daily flights
Monday0daily flights
Tuesday0daily flights
Wednesday0daily flights
Thursday0daily flights
Friday0daily flights
Saturday2daily flights

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Houston to Islip?

When you search for this flight from Houston to Islip, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Houston to Islip?

Cheapflights helps you find that perfect flight to Islip from Houston by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Houston to Islip with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Houston to Islip flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Houston to Islip become cheaper?

Yes, Cheapflights offers price alerts on Houston to Islip flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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