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Islip

$89+ Cheap flights from New Hampshire to Islip, NY (ISP)

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 5/22. Fares are subject to change and may not be available on all flights or dates of travel.
MHT — ISP
Apr 29 — May 61
Tue 4/29
Tue 5/6
1 adult, Economy
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Cheap flight deals from New Hampshire to Islip

Keep the following information in mind while searching for New Hampshire to Islip flight deals. Data was last updated April 24, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$157
(JetBlue)

One-way from

$89
(JetBlue)

Popular in

April

Cheapest in

October

Average price

$245
Provider with most accurate pricing for Boston Logan Intl-New York (NYC) flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-New York (NYC) flights.
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From New Hampshire to Islip Long Island
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One-way flight from New Hampshire to Islip Long Island
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Highest demand for flights based on searches. 17% potential increase in price ($37 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from New Hampshire to Islip

Cheapest flights from New Hampshire to Islip
Explore the most affordable flight options available from New Hampshire to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2025.

This JetBlue deal was found by Cheapflights users on 4/22. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/138:20 pmBOS - ISP
Nonstop1h 08mJetBlue
Fri 5/166:00 amISP - BOS
Nonstop0h 54mJetBlue
Deal found 4/22$157
This Trip.com deal was found by Cheapflights users on 4/23. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/169:30 pmPWM - ISP
1 stop13h 11mFrontier
Sun 5/186:48 pmISP - PWM
1 stop25h 52mFrontier
Deal found 4/23$249
This Southwest deal was found by Cheapflights users on 4/22. 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.
Thu 6/55:50 amBOS - ISP
1 stop3h 35mSouthwest
Thu 6/55:45 pmISP - BOS
1 stop6h 40mSouthwest
Deal found 4/22$255
This Southwest deal was found by Cheapflights users on 4/22. 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.
Thu 8/285:40 pmPWM - ISP
1 stop5h 05mSouthwest
Sat 8/305:40 amISP - PWM
2 stops10h 25mSouthwest
Deal found 4/22$269
This Mytrip deal was found by Cheapflights users on 4/22. 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.
Wed 5/75:42 pmBOS - ISP
2 stops25h 17mMultiple Airlines
Sun 5/117:39 pmISP - BOS
3 stops27h 12mMultiple Airlines
Deal found 4/22$534
This KAYAK deal was found by Cheapflights users on 4/24. 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.
Wed 8/278:07 pmPWM - ISP
2 stops22h 52mBreeze Airways
Sat 8/307:25 pmISP - PWM
3 stops19h 07mBreeze Airways
Deal found 4/24$569

Cheapflights Fare Finder

Customize your flight search to find flights from New Hampshire 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 2,558,603 searches. Data last updated April 24, 2025.
Use the filters below to find and compare flights from New Hampshire to Islip that are best for you.

Fly from

New Hampshire

Fly to

Islip

Route

Depart

Return

Price

BostonIslip

BOS - ISP

BOSISP

Boston Logan Intl

Tue 5/13

8:20 pm-9:28 pm

Nonstop1h 08m

Islip Long Island

Fri 5/16

6:00 am-6:54 am

Nonstop0h 54m

$157

PortlandIslip

PWM - ISP

PWMISP

Portland

Fri 5/16

9:30 pm-10:41 am

1 stop13h 11m

Islip Long Island

Sun 5/18

6:48 pm-8:40 pm

1 stop25h 52m

$249

BostonIslip

BOS - ISP

BOSISP

Boston Logan Intl

Thu 6/5

5:50 am-9:25 am

1 stop3h 35m

Islip Long Island

Thu 6/5

5:45 pm-12:25 am

1 stop6h 40m

$255

PortlandIslip

PWM - ISP

PWMISP

Portland

Thu 8/28

5:40 pm-10:45 pm

1 stop5h 05m

Islip Long Island

Sat 8/30

5:40 am-4:05 pm

2 stops10h 25m

$269

BostonIslip

BOS - ISP

BOSISP

Boston Logan Intl

Wed 5/7

5:42 pm-6:59 pm

2 stops25h 17m

Islip Long Island

Sun 5/11

7:39 pm-10:51 pm

3 stops27h 12m

$534

PortlandIslip

PWM - ISP

PWMISP

Portland

Wed 8/27

8:07 pm-6:59 pm

2 stops22h 52m

Islip Long Island

Sat 8/30

7:25 pm-2:32 pm

3 stops19h 07m

$569

BostonIslip

BOS - ISP

BOSISP

Boston Logan Intl

Thu 5/22

8:20 pm-9:28 pm

Nonstop1h 08m

$89

BostonIslip

BOS - ISP

BOSISP

Boston Logan Intl

Mon 6/23

7:20 pm-12:05 am

1 stop4h 45m

$128

PortlandIslip

PWM - ISP

PWMISP

Portland

Mon 5/26

5:50 am-11:10 am

1 stop5h 20m

$136

BostonIslip

BOS - ISP

BOSISP

Boston Logan Intl

Wed 4/30

1:31 pm-6:59 pm

2 stops29h 28m

$288

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

Showing 1-10 of 11 results
1
2

Best time to book a flight from New Hampshire to Islip

Have a flexible travel schedule? Discover the best time to fly to Islip from New Hampshire 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.

Cheapflights Insights

Everything you need to know about your flight from New Hampshire to Islip

What is the cheapest month to book a flight from New Hampshire to Islip, New York?

Currently, January is the cheapest month in which you can book a flight from New Hampshire to Islip, New York (average of $108). Flying from New Hampshire to Islip, New York in November is currently the most expensive (average of $213). 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 Islip by month

Plan your trip to Islip by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Islip, New York ranges from 3.3 - 4.4 inches per month. March is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Islip, New York when rainfall is around 3.3 in.

Temperature in Islip by month

Plan your trip to Islip by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Islip, New York, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

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 April 24, 2025.
Get a feel of what it's like to fly with Breeze Airways, Southwest and JetBlue from New Hampshire to Islip by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Breeze Airways
8.1
Very good
159 reviews

Entertainment

6.7

Crew

8.8

Comfort

8.2

Overall

8.1

Food

6.7

Boarding

8.3

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
Breeze Airways
8.1
Very good
159 reviews
Breeze Airways
8.1
Very good
159 reviews

Entertainment

6.7

Crew

8.8

Comfort

8.2

Overall

8.1

Food

6.7

Boarding

8.3

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
Southwest
8.0
Very good
4,286 reviews
Breeze Airways
8.1
Very good
159 reviews

Entertainment

6.7

Crew

8.8

Comfort

8.2

Overall

8.1

Food

6.7

Boarding

8.3

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
JetBlue
7.3
Good
2,924 reviews
Breeze Airways
8.1
Very good
159 reviews

Entertainment

6.7

Crew

8.8

Comfort

8.2

Overall

8.1

Food

6.7

Boarding

8.3

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
Frontier
6.0
Okay
3,283 reviews
Breeze Airways
8.1
Very good
159 reviews

Entertainment

6.7

Crew

8.8

Comfort

8.2

Overall

8.1

Food

6.7

Boarding

8.3

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!

Related info for your journey

Find useful and relevant information for your journey from New Hampshire 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 New Hampshire?

    Islip Long Island (ISP) is the airport you will fly into if you book a flight from New Hampshire to Islip. It is only a 7.2 mi journey from Long Island (ISP) to Islip’s city center.

  • What are the cheapest airlines to fly from New Hampshire to Islip, New York one-way?

    The cheapest airline one-way is JetBlue, with whom users have recently found tickets for as low as $89. However, be on the lookout for offers from Southwest and Breeze Airways, as they are both options that can get you from New Hampshire to Islip, New York for a low price.

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

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

  • How can I find direct flights from New Hampshire to Islip?

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

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

    Yes. Cheapflights offers flight deals from New Hampshire 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.

  • What is the cheapest month to book a flight from New Hampshire to Islip, New York?

    Currently, January is the cheapest month in which you can book a flight from New Hampshire to Islip, New York (average of $108). Flying from New Hampshire to Islip, New York in November is currently the most expensive (average of $213). 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

Traveling to a place near New Hampshire?

Book flights to New Hampshire if you plan to visit one of these locations
Southampton
Riverhead

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Top airline flying from New Hampshire to Islip

Discover the top airline that operate flights from New Hampshire to Islip. 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 2,558,603 searches. Data last updated April 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$261Average$466FlexibilityNo cancel feeOn-time63%

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