$126 Find Cheap Flights from Islip to New Hampshire

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Islip to New Hampshire departing on 8/23. 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.
1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to New Hampshire

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Islip to New Hampshire, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Islip to New Hampshire, as well as popular online travel agencies
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Flights Deals

Best New Hampshire Flight Deals from Islip

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Boston
Boston1 stop$214
Portland
Portland1 stop$198
Boston
Boston1 stop$214
Portland
Portland1 stop$198

Cheap Flights from Islip to New Hampshire

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Islip to New Hampshire that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Islip to New Hampshire

Wed, Aug 20 - Sat, Aug 23
Southwest Logo
6:05 am - 9:50 amISP-PWM
3h 45m1 stop
Southwest Logo
5:45 am - 12:05 pmPWM-ISP
6h 20m1 stop
$198Southwest
Find Deal
Wed, Aug 20 - Sat, Aug 23
Southwest Logo
6:05 am - 9:50 amISP-PWM
3h 45m1 stop
Southwest Logo
5:45 am - 4:10 pmPWM-ISP
10h 25m2 stops
$203Southwest
Find Deal
Thu, Sep 4 - Sat, Sep 6
Southwest Logo
6:00 am - 10:00 amISP-BOS
4h 00m1 stop
Southwest Logo
9:15 am - 2:55 pmBOS-ISP
5h 40m1 stop
$214Southwest
Find Deal
Thu, Sep 4 - Sat, Sep 6
Southwest Logo
6:00 am - 10:00 amISP-BOS
4h 00m1 stop
Southwest Logo
11:05 am - 8:20 pmBOS-ISP
9h 15m2 stops
$219Southwest
Find Deal
Fri, Jul 25 - Mon, Jul 28
Frontier Logo
8:37 pm - 8:35 amISP-BOS
11h 58m1 stop
Frontier Logo
6:00 am - 1:04 pmBOS-ISP
7h 04m1 stop
$288Frontier
Find Deal
Wed, Jul 23 - Sat, Jul 26
Frontier Logo
4:45 pm - 12:38 amISP-BOS
7h 53m1 stop
Frontier Logo
6:00 am - 1:04 pmBOS-ISP
7h 04m1 stop
$308Frontier
Find Deal
Fri, Jul 25 - Mon, Jul 28
 Logo
8:37 pm - 8:35 amISP-BOS
11h 58m1 stop
 Logo
9:27 am - 10:58 amBOS-ISP
1h 31mnonstop
Fri, Jul 18 - Sun, Jul 20
 Logo
8:37 pm - 8:35 amISP-BOS
11h 58m1 stop
 Logo
11:53 am - 1:24 pmBOS-ISP
1h 31mnonstop
Sat, Aug 9 - Sat, Aug 16
Breeze Airways Logo
7:25 pm - 2:32 pmISP-PWM
19h 07m3 stops
Breeze Airways Logo
8:07 pm - 6:59 pmPWM-ISP
22h 52m2 stops
$688Breeze Airways
Find Deal
Wed, Aug 20 - Sat, Aug 23
Breeze Airways Logo
7:25 pm - 2:32 pmISP-PWM
19h 07m3 stops
Breeze Airways Logo
8:07 pm - 6:59 pmPWM-ISP
22h 52m2 stops
$732Breeze Airways
Find Deal
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KAYAK's insights & trends for Islip to New Hampshire flights

Get data-powered insights and trends into flights from Islip to New Hampshire to help you find the cheapest flights, the best time to fly and much more.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Islip to New Hampshire, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Islip to New Hampshire is May, when tickets cost $157 (return) on average. On the other hand, the most expensive months are August and October, when the average cost of round-trip tickets is $514 and $502 respectively.

What’s the cheapest day of the week to fly from Islip to New Hampshire?

The average price of all round-trip flights from Islip to New Hampshire clicked on KAYAK for each day over the last 12 months.

For Islip to New Hampshire, Saturday is the cheapest day to fly on average and Sunday is the most expensive. Flying from New Hampshire back to Islip, the best deals are generally found on Thursday, with Monday being the most expensive.


Good to know

Low seasonFebruary
High seasonMay
Cheapest flight$126
Best time to beat the crowds but there is an average 19% increase in price.
Most popular time to fly and prices are also 50% lower on average.
Flight from Islip to Boston

FAQs - booking New Hampshire flights

  • How does KAYAK find such low prices on flights from Islip to New Hampshire?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Islip to New Hampshire.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Islip to New Hampshire?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Islip to New Hampshire is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Islip to New Hampshire?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Islip to New Hampshire with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Islip to New Hampshire?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Islip to New Hampshire up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest time of day to fly to New Hampshire?

    The cheapest time of day to fly to New Hampshire is generally in the morning, when round-trip flights cost $187 on average. The most expensive time of day to fly to New Hampshire is generally at night, which is peak travel time and where the average cost of a ticket is $294.

Top tips for finding cheap flights to New Hampshire

  • Looking for a cheap flight? 25% of our users found tickets from Islip to the following destinations at these prices or less: Boston $248 one-way - $502 round-trip

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

Information on your arrival and departure airports

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