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$307+ Cheap flights from Islip, NY to Manchester, NH (ISP - MHT)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/23. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — MHT
Apr 8 — Apr 151
Tue 4/8
Tue 4/15
1 adult, Economy
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Cheap flight deals from Islip to Manchester

Discover tips and strategies to find the most affordable flight options for your journey from Islip (ISP) to Manchester (MHT). 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 April 3, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$307
(Southwest)

Popular in

February

Cheapest in

August

Average price

$226
Provider with most accurate pricing for Islip Long Island-Manchester flight deals.
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Provider most trusted by Cheapflights users for Islip Long Island-Manchester flights.
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From Islip Long Island to Manchester
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($47 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($5 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 Islip to Manchester

Cheapest flights from Islip to Manchester
Explore the most affordable flight options available from Islip to Manchester. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 3, 2025.

This Southwest deal was found by Cheapflights users on 4/2. 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.
Fri 5/236:10 pmISP - MHT
1 stop5h 00mSouthwest
Mon 5/265:35 amMHT - ISP
1 stop5h 35mSouthwest
Deal found 4/2$307

Cheapflights Fare Finder

Customize your flight search to find flights from Islip to Manchester 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 3, 2025.
Use the filters below to find and compare flights from Islip to Manchester that are best for you.

Fly from

Islip

Fly to

Manchester

Route

Depart

Return

Price

IslipManchester

ISP - MHT

ISPMHT

Islip Long Island

Fri 5/23

6:10 pm-11:10 pm

1 stop5h 00m

Manchester

Mon 5/26

5:35 am-11:10 am

1 stop5h 35m

$307

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/2

Compare providers for flights from Islip to Manchester

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Islip to Manchester in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Islip, New York-Manchester, New Hampshire flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Islip, New York-Manchester, New Hampshire flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Islip, New York-Manchester, New Hampshire flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Islip, New York-Manchester, New Hampshire flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Islip, New York-Manchester, New Hampshire flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Islip to Manchester

Have a flexible travel schedule? Discover the best time to fly to Manchester 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.

Cheapflights Insights

Everything you need to know about your flight from Islip to Manchester

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

Currently, January is the cheapest month in which you can book a flight from Islip, New York to Manchester, New Hampshire (average of $334). Flying from Islip, New York to Manchester, New Hampshire in June is currently the most expensive (average of $442). 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.

Reviews of airlines servicing Manchester

Get insights into the airlines that provide service to Manchester. 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 Manchester. Reviews last updated April 3, 2025.
Southwest
8.0
Very good
4,274 reviews

Comfort

8.0

Overall

8.0

Food

7.1

Crew

8.6

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.0
Very good
4,274 reviews
Southwest
8.0
Very good
4,274 reviews

Comfort

8.0

Overall

8.0

Food

7.1

Crew

8.6

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Related info for your journey

Find useful and relevant information for your journey from Islip to Manchester. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Islip to Manchester 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 Manchester, New Hampshire?

    Currently, January is the cheapest month in which you can book a flight from Islip, New York to Manchester, New Hampshire (average of $334). Flying from Islip, New York to Manchester, New Hampshire in June is currently the most expensive (average of $442). 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 Islip?

Book flights to Islip if you plan to visit one of these locations
Keene

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