$269+ Cheap flights from Islip, NY to Manchester, NH (ISP - MHT)
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 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — MHT
Sep 29 — Oct 61
Round-trip
1 adult, Economy
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Find cheap flights from Islip to Manchester with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Islip to Manchester
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Cheapest flights from Islip to ManchesterExplore 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 August 30, 2026.
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 August 30, 2026.
This Southwest deal was found by Cheapflights users on 8/25. 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 9/246:10 am -
1 stop3h 30m
Thu 10/111:30 am -
1 stop5h 30m
Deal found 8/25![Southwest logo]()
$438
This Southwest deal was found by Cheapflights users on 8/26. 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 9/106:10 am -
1 stop3h 30m
Mon 9/145:40 am -
1 stop4h 00m
Deal found 8/26![Southwest logo]()
$459
This Kiwi.com deal was found by Cheapflights users on 8/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/48:43 pm -
1 stop15h 06m
Mon 9/75:36 pm -
1 stop20h 48m
Deal found 8/29![Multiple Airlines logo]()
$591
This Southwest deal was found by Cheapflights users on 8/29. 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 9/410:20 am -
2 stops11h 10m
Mon 9/712:45 pm -
2 stops8h 50m
Deal found 8/29![Southwest logo]()
$924
This KAYAK deal was found by Cheapflights users on 8/27. 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.
Fri 8/288:43 pm -
1 stop15h 06m
Sun 8/3012:25 pm -
1 stop25h 03m
Deal found 8/27![Breeze Airways logo]()
$937
This KAYAK deal was found by Cheapflights users on 8/27. 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.
Sat 8/2911:57 am -
1 stop23h 48m
Wed 9/29:51 am -
1 stop9h 10m
Deal found 8/27![Breeze Airways logo]()
$1,013
This KAYAK deal was found by Cheapflights users on 8/27. 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.
Sat 8/2911:57 am -
1 stop23h 48m
Mon 8/315:36 pm -
3 stops19h 52m
Deal found 8/27![Breeze Airways logo]()
$1,024
Best flights from Islip to ManchesterDiscover carefully curated flight deals from Islip to Manchester that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 30, 2026.
Discover carefully curated flight deals from Islip to Manchester that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 30, 2026.
This Southwest deal was found by Cheapflights users on 8/25. 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 9/246:10 am -
1 stop3h 30m
Thu 10/111:30 am -
1 stop5h 30m
Deal found 8/25![Southwest logo]()
$438
This Southwest deal was found by Cheapflights users on 8/26. 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 9/106:10 am -
1 stop3h 30m
Mon 9/145:40 am -
1 stop4h 00m
Deal found 8/26![Southwest logo]()
$459
This Booking.com deal was found by Cheapflights users on 8/25. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/245:26 pm -
3 stops21h 08m
Thu 10/112:24 pm -
2 stops31h 35m
Deal found 8/25![Breeze Airways logo]()
$1,059
This KAYAK deal was found by Cheapflights users on 8/28. 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.
Thu 10/85:28 pm -
3 stops21h 06m
Sun 10/1112:24 pm -
1 stop25h 58m
Deal found 8/28![Breeze Airways logo]()
$1,154
Last-minute flights from Islip to ManchesterDiscover last-minute flight deals from Islip to Manchester. Data last updated August 30, 2026 and is based on user searches.
Discover last-minute flight deals from Islip to Manchester. Data last updated August 30, 2026 and is based on user searches.
This KAYAK deal was found by Cheapflights users on 8/27. 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.
Fri 8/288:43 pm -
1 stop15h 06m
Sun 8/3012:25 pm -
1 stop25h 03m
Deal found 8/27![Breeze Airways logo]()
$937
This KAYAK deal was found by Cheapflights users on 8/27. 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.
Sat 8/2911:57 am -
1 stop23h 48m
Wed 9/29:51 am -
1 stop9h 10m
Deal found 8/27![Breeze Airways logo]()
$1,013
This KAYAK deal was found by Cheapflights users on 8/27. 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.
Sat 8/2911:57 am -
1 stop23h 48m
Mon 8/315:36 pm -
3 stops19h 52m
Deal found 8/27![Breeze Airways logo]()
$1,024
This Kiwi.com deal was found by Cheapflights users on 8/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/48:43 pm -
1 stop15h 06m
Mon 9/75:36 pm -
1 stop20h 48m
Deal found 8/29![Multiple Airlines logo]()
$591
This Southwest deal was found by Cheapflights users on 8/29. 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 9/410:20 am -
2 stops11h 10m
Mon 9/712:45 pm -
2 stops8h 50m
Deal found 8/29![Southwest logo]()
$924
This Southwest deal was found by Cheapflights users on 8/26. 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 9/106:10 am -
1 stop3h 30m
Mon 9/145:40 am -
1 stop4h 00m
Deal found 8/26![Southwest logo]()
$459
This Southwest deal was found by Cheapflights users on 8/25. 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 9/246:10 am -
1 stop3h 30m
Thu 10/111:30 am -
1 stop5h 30m
Deal found 8/25![Southwest logo]()
$438
One-way flights from Islip to ManchesterSearch for one-way flight options from Islip to Manchester. Find affordable one-way fares based on user searches. Data last updated August 30, 2026.
Search for one-way flight options from Islip to Manchester. Find affordable one-way fares based on user searches. Data last updated August 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/77:09 pm -
2 stops40h 29m
Deal found 8/26![Multiple Airlines logo]()
$269
This Southwest deal was found by Cheapflights users on 8/26. 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.
Mon 9/76:10 am -
1 stop3h 30m
Deal found 8/26![Southwest logo]()
$300
This KAYAK deal was found by Cheapflights users on 8/28. 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 9/2312:00 pm -
1 stop23h 44m
Deal found 8/28![Breeze Airways logo]()
$420
Find 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 August 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $438 (Southwest) |
One-way from | $269 (Kiwi.com) |
Popular in | April |
Cheapest in | November |
Average price | $262 |
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 7,457,451 searches. Data last updated August 30, 2026.
Use the filters below to find and compare flights from Islip to Manchester that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
IslipManchester
ISP Islip Long Island - MHT Manchester
ISPMHT
Islip Long Island
Thu 9/24
6:10 am-9:40 am
1 stop3h 30m
Manchester
Thu 10/1
11:30 am-5:00 pm
1 stop5h 30m
$438
Quickest round-trip
IslipManchester
ISP Islip Long Island - MHT Manchester
ISPMHT
Islip Long Island
Thu 9/10
6:10 am-9:40 am
1 stop3h 30m
Manchester
Mon 9/14
5:40 am-9:40 am
1 stop4h 00m
$459
IslipManchester
ISP Islip Long Island - MHT Manchester
ISPMHT
Islip Long Island
Thu 9/24
5:26 pm-2:34 pm
3 stops21h 08m
Manchester
Thu 10/1
12:24 pm-7:59 pm
2 stops31h 35m
$1,059
IslipManchester
ISP Islip Long Island - MHT Manchester
ISPMHT
Islip Long Island
Thu 10/8
5:28 pm-2:34 pm
3 stops21h 06m
Manchester
Sun 10/11
12:24 pm-2:22 pm
1 stop25h 58m
$1,154
Cheapest one-way
IslipManchester
ISP Islip Long Island - MHT Manchester
ISPMHT
Islip Long Island
Mon 9/7
7:09 pm-11:38 am
2 stops40h 29m
$269
Quickest one-way
IslipManchester
ISP Islip Long Island - MHT Manchester
ISPMHT
Islip Long Island
Mon 9/7
6:10 am-9:40 am
1 stop3h 30m
$300
IslipManchester
ISP Islip Long Island - MHT Manchester
ISPMHT
Islip Long Island
Wed 9/23
12:00 pm-11:44 am
1 stop23h 44m
$420
Sorted by cheapest first
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 August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
ISP-MHT
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.
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.
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Book flights to Manchester if you plan to visit one of these locationsKeene
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