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Cheap flights from Islip (ISP) to Houston from $90

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 5/16. 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.
ISP — HOU
May 7 — May 141
From?
To?
Tue 5/7
Tue 5/14
1 adult, Economy
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How far in advance should I book a flight from Islip, New York to Houston?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 61 days in advance, which can save you up to 65% on flights from Islip, New York to Houston compared to booking the week you need them. Waiting 61 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 $266. For sooner than that we have options available in the next 3 days from $363.

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

Flights from Islip, New York to Houston lean towards being more expensive in December. Prices are generally better when you fly from Islip, New York to Houston in January, with the cheapest ticket starting at $77.

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

It’s optimal to fly from Islip, New York to Houston in the morning. By choosing this option you can save up to 31% on the cost of your flight, compared to a flight at noon.

Cheap Frontier flights from Islip to Houston

Explore cheap flight options specifically provided by Frontier for the route between Islip and Houston. 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 2,864,334 searches. Data last updated May 2, 2024.
Thu 5/1610:24 pmISP - IAH
1 stop9h 47mFrontier
Thu 5/237:15 amIAH - ISP
1 stop9h 51mFrontier
Deal found 5/2$169
Wed 5/86:05 pmISP - IAH
1 stop14h 15mFrontier
Sun 5/124:31 pmIAH - ISP
1 stop14h 23mFrontier
Deal found 4/30$178
Fri 5/1010:32 pmISP - IAH
1 stop9h 48mFrontier
Sun 5/124:31 pmIAH - ISP
1 stop14h 23mFrontier
Deal found 4/30$199
Thu 6/611:37 amISP - IAH
1 stop8h 09mFrontier
Tue 6/117:15 amIAH - ISP
1 stop5h 40mFrontier
Deal found 5/1$202
Wed 5/294:49 pmISP - IAH
1 stop28h 25mFrontier
Mon 6/312:13 pmIAH - ISP
1 stop19h 00mFrontier
Deal found 5/1$219
Tue 7/169:45 pmISP - IAH
1 stop17h 28mFrontier
Mon 7/226:13 pmIAH - ISP
1 stop13h 13mFrontier
Deal found 5/1$228
Tue 5/79:50 pmISP - IAH
1 stop10h 30mFrontier
Sat 5/188:14 pmIAH - ISP
1 stop10h 59mFrontier
Deal found 5/1$237
Thu 5/2311:37 amISP - IAH
1 stop10h 59mFrontier
Sun 5/267:15 amIAH - ISP
1 stop9h 51mFrontier
Deal found 5/1$242
Tue 7/165:25 pmISP - HOU
1 stop26h 13mFrontier
Mon 7/229:23 amHOU - ISP
1 stop22h 03mFrontier
Deal found 5/1$266

Cheap Islip to Houston flights in May & June 2024

Find cheap flight options from Islip to Houston specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,864,334 searches. Prices were last updated on May 2, 2024.
Thu 5/1610:24 pmISP - IAH
1 stop9h 47mFrontier
Thu 5/237:15 amIAH - ISP
1 stop9h 51mFrontier
Deal found 5/2$169
Wed 5/86:05 pmISP - IAH
1 stop14h 15mFrontier
Sun 5/124:31 pmIAH - ISP
1 stop14h 23mFrontier
Deal found 4/30$178
Fri 5/1010:32 pmISP - IAH
1 stop9h 48mFrontier
Sun 5/124:31 pmIAH - ISP
1 stop14h 23mFrontier
Deal found 4/30$199
Thu 6/611:37 amISP - IAH
1 stop8h 09mFrontier
Tue 6/117:15 amIAH - ISP
1 stop5h 40mFrontier
Deal found 5/1$202
Wed 5/294:49 pmISP - IAH
1 stop28h 25mFrontier
Mon 6/312:13 pmIAH - ISP
1 stop19h 00mFrontier
Deal found 5/1$219
Tue 5/79:50 pmISP - IAH
1 stop10h 30mFrontier
Sat 5/188:14 pmIAH - ISP
1 stop10h 59mFrontier
Deal found 5/1$237
Thu 5/2311:37 amISP - IAH
1 stop10h 59mFrontier
Sun 5/267:15 amIAH - ISP
1 stop9h 51mFrontier
Deal found 5/1$242
Sat 6/14:49 pmISP - IAH
1 stop27h 19mFrontier
Tue 6/47:15 amIAH - ISP
1 stop12h 08mFrontier
Deal found 4/30$267
Mon 6/101:57 pmISP - IAH
2 stops22h 18mMultiple Airlines
Thu 6/1311:50 amIAH - ISP
3 stops28h 17mMultiple Airlines
Deal found 5/1$365

Islip to Houston 2024 flight deals

Discover exclusive flight deals for travel between Islip and Houston in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,864,334 searches. Data last updated May 2, 2024.
Thu 5/1610:24 pmISP - IAH
1 stop9h 47mFrontier
Thu 5/237:15 amIAH - ISP
1 stop9h 51mFrontier
Deal found 5/2$169
Wed 5/86:05 pmISP - IAH
1 stop14h 15mFrontier
Sun 5/124:31 pmIAH - ISP
1 stop14h 23mFrontier
Deal found 4/30$178
Fri 5/1010:32 pmISP - IAH
1 stop9h 48mFrontier
Sun 5/124:31 pmIAH - ISP
1 stop14h 23mFrontier
Deal found 4/30$199
Thu 6/611:37 amISP - IAH
1 stop8h 09mFrontier
Tue 6/117:15 amIAH - ISP
1 stop5h 40mFrontier
Deal found 5/1$202
Wed 5/294:49 pmISP - IAH
1 stop28h 25mFrontier
Mon 6/312:13 pmIAH - ISP
1 stop19h 00mFrontier
Deal found 5/1$219
Tue 7/169:45 pmISP - IAH
1 stop17h 28mFrontier
Mon 7/226:13 pmIAH - ISP
1 stop13h 13mFrontier
Deal found 5/1$228
Tue 5/79:50 pmISP - IAH
1 stop10h 30mFrontier
Sat 5/188:14 pmIAH - ISP
1 stop10h 59mFrontier
Deal found 5/1$237
Thu 5/2311:37 amISP - IAH
1 stop10h 59mFrontier
Sun 5/267:15 amIAH - ISP
1 stop9h 51mFrontier
Deal found 5/1$242
Tue 7/165:25 pmISP - HOU
1 stop26h 13mFrontier
Mon 7/229:23 amHOU - ISP
1 stop22h 03mFrontier
Deal found 5/1$266

Islip to Houston flights leaving soon

Find last-minute flight options from Islip to Houston 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 2,864,334 searches. Data last updated May 2, 2024.
Wed 5/86:05 pmISP - IAH
1 stop14h 15mFrontier
Sun 5/124:31 pmIAH - ISP
1 stop14h 23mFrontier
Deal found 4/30$178
Fri 5/1010:32 pmISP - IAH
1 stop9h 48mFrontier
Sun 5/124:31 pmIAH - ISP
1 stop14h 23mFrontier
Deal found 4/30$199
Tue 5/79:50 pmISP - IAH
1 stop10h 30mFrontier
Sat 5/188:14 pmIAH - ISP
1 stop10h 59mFrontier
Deal found 5/1$237

One-way flights to Houston from Islip

Search for one-way flight options from Islip to Houston. 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 2,864,334 searches. Data last updated May 2, 2024.
Thu 5/1610:24 pmISP - IAH
1 stop9h 47mFrontier
Deal found 4/30$90
Sat 6/294:46 pmISP - IAH
1 stop28h 33mFrontier
Deal found 5/2$230
Thu 7/1110:22 pmISP - HOU
1 stop11h 11mFrontier
Deal found 5/1$241
Fri 8/25:25 pmISP - IAH
1 stop24h 48mFrontier
Deal found 5/2$259
Fri 8/25:25 pmISP - IAH
1 stop24h 48mFrontier
Deal found 5/1$260
Thu 7/1111:34 amISP - IAH
1 stop10h 34mFrontier
Deal found 5/1$285
Sat 6/224:46 pmISP - IAH
1 stop28h 33mFrontier
Deal found 5/2$339
Fri 8/23:35 pmISP - IAH
3 stops23h 24mMultiple Airlines
Deal found 5/1$462

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 2,864,334 searches. Data last updated May 2, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$169 - $372

Route

Depart

Return

Price

Islip Long IslandHouston George Bush Intcntl

ISP - IAH

ISPIAH

Islip Long Island

Thu 5/16

1 stop9h 47m

Houston George Bush Intcntl

Thu 5/23

1 stop9h 51m

$169

Islip Long IslandHouston George Bush Intcntl

ISP - IAH

ISPIAH

Islip Long Island

Thu 6/6

1 stop8h 09m

Houston George Bush Intcntl

Tue 6/11

1 stop5h 40m

$202

Islip Long IslandHouston George Bush Intcntl

ISP - IAH

ISPIAH

Islip Long Island

Wed 5/29

1 stop28h 25m

Houston George Bush Intcntl

Mon 6/3

1 stop19h 00m

$219

Islip Long IslandHouston George Bush Intcntl

ISP - IAH

ISPIAH

Islip Long Island

Tue 7/16

1 stop17h 28m

Houston George Bush Intcntl

Mon 7/22

1 stop13h 13m

$228

Islip Long IslandHouston George Bush Intcntl

ISP - IAH

ISPIAH

Islip Long Island

Thu 5/23

1 stop10h 59m

Houston George Bush Intcntl

Sun 5/26

1 stop9h 51m

$242

Islip Long IslandHouston Hobby

ISP - HOU

ISPHOU

Islip Long Island

Tue 7/16

1 stop26h 13m

Houston Hobby

Mon 7/22

1 stop22h 03m

$266

Islip Long IslandHouston George Bush Intcntl

ISP - IAH

ISPIAH

Islip Long Island

Sat 6/1

1 stop27h 19m

Houston George Bush Intcntl

Tue 6/4

1 stop12h 08m

$267

Islip Long IslandHouston George Bush Intcntl

ISP - IAH

ISPIAH

Islip Long Island

Mon 6/10

2 stops22h 18m

Houston George Bush Intcntl

Thu 6/13

3 stops28h 17m

$365

Islip Long IslandHouston George Bush Intcntl

ISP - IAH

ISPIAH

Islip Long Island

Mon 6/10

3 stops22h 18m

Houston George Bush Intcntl

Thu 6/13

3 stops28h 17m

$372

Flights are sorted by cheapest first

Deals found on 5/2

When is the cheapest time to fly from Islip, New York to Houston?

Use this chart to determine the cheapest time to fly round-trip from Islip to Houston. Price data was last updated on April 28, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Islip, New York to Houston flight should consider departing on Friday mornings when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

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 May 2, 2024.
Frontier
6.3
Okay
4,110 reviews
Check prices

Crew

7.1

Boarding

6.6

Food

5.2

Entertainment

4.9

Comfort

5.8

Overall

6.3

Reviews

1 / 10

Our flight was delayed causing us to miss our connecting flight. The staff was not helpful in helping us find alternatives. We cancelled our flight and had to book our way home using another airline.

Frontier
6.3
Okay
4,110 reviews
Frontier
6.3
Okay
4,110 reviews
Check prices

Crew

7.1

Boarding

6.6

Food

5.2

Entertainment

4.9

Comfort

5.8

Overall

6.3

Reviews

1 / 10

Our flight was delayed causing us to miss our connecting flight. The staff was not helpful in helping us find alternatives. We cancelled our flight and had to book our way home using another airline.

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. 1 airline has flights to Houston from Islip Long Island on a regular basis.

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

    Yes, there are multiple flights from Islip, New York to Houston for under $200. The cheapest flight booked recently is on Frontier for just $169, but on average you can expect to pay $334.

  • Are there last-minute flights available from Islip, New York to Houston for under $200?

    There are currently 3+ open flights from Islip, New York to Houston within the next 7 days for less than $200.

  • What does ISP to IAH mean?

    Great question - ISP to IAH just means Islip Long Island Airport to Houston George Bush Intcntl Airport. Now you’ll know what these unique codes when you look for flights! 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 Islip to Houston that include extra baggage allowance?

    The amount of baggage you can bring on your Islip to Houston 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 Islip to Houston with specific airlines?

    Yes, Cheapflights allows you to browse and filter Islip to Houston 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 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.

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

    Many airlines flying from Islip to Houston 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 Islip to Houston?

    Yes, you can often find last-minute deals on Islip to Houston 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 Islip, New York to Houston flight deals updated?

    The Islip, New York to Houston flight deals you see on this page were last updated on 5/2.

See more FAQs

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

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Top airline flying from Islip to Houston

Discover the top airline that operate flights from Islip to Houston. 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 2,864,334 searches. Data last updated May 2, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$185Average$262FlexibilityNo cancel feeOn-time62%
Search Frontier flights
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Islip, New York to Houston Hobby Airport flights

Search flights from Islip to Houston by cabin class

Find flights from Islip to Houston, 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 Islip to Houston

Explore weekly flight availability from Islip to Houston. 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 2, 2024.
Sunday0daily flights
Monday1daily flight
Tuesday1daily flight
Wednesday1daily flight
Thursday1daily flight
Friday1daily flight
Saturday0daily flights

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Fly with Cheapflights

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

When you search for this flight from Islip to Houston, 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 Islip to Houston?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Houston from Islip.

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

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

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Houston from Islip today and book when prices fit your budget.

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