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Cheap flights from Islip (ISP) to New Hampshire from $273

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 6/20. 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 — MHT
May 1 — May 81
From?
To?
Wed 5/1
Wed 5/8
1 adult, Economy
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How far in advance should I book a flight from Islip, New York to New Hampshire?

Travelers have found it’s best to book a flight 61 days in advance to save up to 183% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 61 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Islip, New York to New Hampshire 1-2 weeks in advance for as low as $183, or $381 for flights within the next 24 hours.

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

September is one of the best times of the year to fly to New Hampshire from Islip, New York. Prices for September average $189 per person but you can even find prices for as low as $65. The most expensive prices can be found in the month of June. Opting for a September flight can save you 28% on your journey compared to booking in June

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

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

Cheap Southwest flights from Islip to New Hampshire

Explore cheap flight options specifically provided by Southwest for the route between Islip and New Hampshire. 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 3,068,117 searches. Data last updated April 26, 2024.
Thu 7/48:25 amISP - BOS
1 stop6h 00mSouthwest
Sun 7/78:00 amBOS - ISP
1 stop3h 45mSouthwest
Deal found 4/25$306
Thu 7/46:00 amISP - BOS
1 stop3h 45mSouthwest
Sun 7/79:50 amBOS - ISP
2 stops12h 55mSouthwest
Deal found 4/25$748

Cheap Islip to New Hampshire flights in April & May 2024

Find cheap flight options from Islip to New Hampshire specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,068,117 searches. Prices were last updated on April 26, 2024.
Fri 5/173:35 pmISP - BOS
1 stop8h 47mMultiple Airlines
Sat 5/252:30 pmBOS - ISP
3 stops21h 55mMultiple Airlines
Deal found 4/25$363
Fri 5/319:53 amISP - BOS
2 stops14h 29mMultiple Airlines
Thu 6/65:40 pmBOS - ISP
2 stops19h 37mMultiple Airlines
Deal found 4/25$402
Fri 5/319:53 amISP - BOS
2 stops14h 29mMultiple Airlines
Thu 6/65:00 pmBOS - ISP
3 stops24h 07mMultiple Airlines
Deal found 4/25$413
Fri 5/313:35 pmISP - BOS
1 stop8h 47mMultiple Airlines
Thu 6/64:44 pmBOS - ISP
2 stops24h 23mMultiple Airlines
Deal found 4/25$419
Fri 5/319:53 amISP - BOS
3 stops28h 29mMultiple Airlines
Thu 6/612:07 pmBOS - ISP
3 stops29h 00mMultiple Airlines
Deal found 4/25$444
Fri 5/173:35 pmISP - BOS
3 stops29h 19mMultiple Airlines
Sat 5/252:30 pmBOS - ISP
3 stops21h 55mMultiple Airlines
Deal found 4/25$462

Islip to New Hampshire 2024 flight deals

Discover exclusive flight deals for travel between Islip and New Hampshire in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,068,117 searches. Data last updated April 26, 2024.
Thu 7/48:25 amISP - BOS
1 stop6h 00mSouthwest
Sun 7/78:00 amBOS - ISP
1 stop3h 45mSouthwest
Deal found 4/25$306
Fri 5/173:35 pmISP - BOS
1 stop8h 47mMultiple Airlines
Sat 5/252:30 pmBOS - ISP
3 stops21h 55mMultiple Airlines
Deal found 4/25$363
Fri 5/319:53 amISP - BOS
2 stops14h 29mMultiple Airlines
Thu 6/65:40 pmBOS - ISP
2 stops19h 37mMultiple Airlines
Deal found 4/25$402
Fri 5/319:53 amISP - BOS
2 stops14h 29mMultiple Airlines
Thu 6/65:00 pmBOS - ISP
3 stops24h 07mMultiple Airlines
Deal found 4/25$413
Fri 5/313:35 pmISP - BOS
1 stop8h 47mMultiple Airlines
Thu 6/64:44 pmBOS - ISP
2 stops24h 23mMultiple Airlines
Deal found 4/25$419
Fri 5/319:53 amISP - BOS
3 stops28h 29mMultiple Airlines
Thu 6/612:07 pmBOS - ISP
3 stops29h 00mMultiple Airlines
Deal found 4/25$444
Fri 5/173:35 pmISP - BOS
3 stops29h 19mMultiple Airlines
Sat 5/252:30 pmBOS - ISP
3 stops21h 55mMultiple Airlines
Deal found 4/25$462
Thu 7/46:00 amISP - BOS
1 stop3h 45mSouthwest
Sun 7/79:50 amBOS - ISP
2 stops12h 55mSouthwest
Deal found 4/25$748

One-way flights to New Hampshire from Islip

Search for one-way flight options from Islip to New Hampshire. 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 3,068,117 searches. Data last updated April 26, 2024.
Thu 6/201:05 pmISP - BOS
2 stops22h 12mMultiple Airlines
Deal found 4/25$273
Thu 6/201:05 pmISP - BOS
3 stops25h 44mMultiple Airlines
Deal found 4/25$329

Find flights from Islip to New Hampshire within your budget

Customize your flight search to find flights from Islip to New Hampshire 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 3,068,117 searches. Data last updated April 26, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$306 - $748

Route

Depart

Return

Price

Islip Long IslandBoston Logan Intl

ISP - BOS

ISPBOS

Islip Long Island

Thu 7/4

1 stop6h 00m

Boston Logan Intl

Sun 7/7

1 stop3h 45m

$306

Islip Long IslandBoston Logan Intl

ISP - BOS

ISPBOS

Islip Long Island

Fri 5/17

1 stop8h 47m

Boston Logan Intl

Sat 5/25

3 stops21h 55m

$363

Islip Long IslandBoston Logan Intl

ISP - BOS

ISPBOS

Islip Long Island

Fri 5/31

2 stops14h 29m

Boston Logan Intl

Thu 6/6

2 stops19h 37m

$402

Islip Long IslandBoston Logan Intl

ISP - BOS

ISPBOS

Islip Long Island

Fri 5/31

2 stops14h 29m

Boston Logan Intl

Thu 6/6

3 stops24h 07m

$413

Islip Long IslandBoston Logan Intl

ISP - BOS

ISPBOS

Islip Long Island

Fri 5/31

1 stop8h 47m

Boston Logan Intl

Thu 6/6

2 stops24h 23m

$419

Islip Long IslandBoston Logan Intl

ISP - BOS

ISPBOS

Islip Long Island

Fri 5/31

3 stops28h 29m

Boston Logan Intl

Thu 6/6

3 stops29h 00m

$444

Islip Long IslandBoston Logan Intl

ISP - BOS

ISPBOS

Islip Long Island

Fri 5/17

3 stops29h 19m

Boston Logan Intl

Sat 5/25

3 stops21h 55m

$462

Islip Long IslandBoston Logan Intl

ISP - BOS

ISPBOS

Islip Long Island

Thu 7/4

1 stop3h 45m

Boston Logan Intl

Sun 7/7

2 stops12h 55m

$748

Flights are sorted by cheapest first

Deals found on 4/25

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

Reviews of airlines servicing New Hampshire

Get insights into the airlines that provide service to New Hampshire. 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 New Hampshire. Reviews last updated April 26, 2024.
Southwest
8.2
Very good
6,173 reviews
Check prices

Entertainment

7.8

Comfort

8.1

Crew

8.7

Boarding

8.3

Overall

8.2

Food

7.4

Reviews

1 / 10

I was traveling with a companion that utilizes a scooter to get around. We have flown together many times and used other airlines. Southwest by far is the most accommodating airline in the fleet your staff Makes the accessibility easy and convenient for for this type of travel. We would personally like to think the flight teams of our two flights for being very accommodating and helpful throughout our trip.

Southwest
8.2
Very good
6,173 reviews
Southwest
8.2
Very good
6,173 reviews
Check prices

Entertainment

7.8

Comfort

8.1

Crew

8.7

Boarding

8.3

Overall

8.2

Food

7.4

Reviews

1 / 10

I was traveling with a companion that utilizes a scooter to get around. We have flown together many times and used other airlines. Southwest by far is the most accommodating airline in the fleet your staff Makes the accessibility easy and convenient for for this type of travel. We would personally like to think the flight teams of our two flights for being very accommodating and helpful throughout our trip.

Related info for your journey

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

    Most people fly from Islip Long Island (ISP) if they book a flight from Islip to New Hampshire. Islip Long Island is conveniently located just 7.2 mi from Islip’s city center.

  • Can I find flights from Islip, New York to New Hampshire for under $400 on Cheapflights?

    Yes, there are multiple flights from Islip, New York to New Hampshire for under $400. The cheapest flight booked recently is on Southwest for just $306, but on average you can expect to pay $444.

  • What does ISP to MHT mean?

    Islip Long Island Airport is ISP and Manchester Airport is MHT. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service. While you’re still figuring out your travel plans, it’s not a bad idea to learn the names and codes of other airports around these areas: Portsmouth Pease Intl Airport (PSM), Lebanon Municipal Airport (LEB).

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

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

    Yes, Cheapflights allows you to browse and filter Islip to New Hampshire 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 New Hampshire that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Islip to New Hampshire 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 New Hampshire that allow pets onboard?

    Many airlines flying from Islip to New Hampshire 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 New Hampshire?

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

    The Islip, New York to New Hampshire flight deals you see on this page were last updated on 4/25.

See more FAQs

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Search flights from Islip to New Hampshire by cabin class

Find flights from Islip to New Hampshire, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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How does Cheapflights help users find flights from Islip to New Hampshire?

Cheapflights helps you search for flights from Islip to New Hampshire via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Islip to New Hampshire for you. Better yet — we are completely free to use.

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

Yes, we can. To see specific flights from Islip to New Hampshire with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes, Cheapflights offers price alerts on Islip to New Hampshire 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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