$138 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 10/6. 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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Flight Deals

Cheap Flights from Islip to New Hampshire

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Boston
Boston1 stop$271
Portland
Portland1 stop$251
Boston
Boston1 stop$271
Portland
Portland1 stop$251

Book Cheap Islip to New Hampshire Plane Tickets

 
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

Thu, Nov 13 - Tue, Nov 18
Southwest Logo
11:05 am - 4:50 pmISP-PWM
5h 45m1 stop
Southwest Logo
5:30 am - 12:15 pmPWM-ISP
6h 45m1 stop
$251Southwest
Find Deal
Thu, Nov 13 - Tue, Nov 18
Southwest Logo
3:25 pm - 12:20 amISP-PWM
8h 55m2 stops
Southwest Logo
3:30 pm - 10:05 pmPWM-ISP
6h 35m1 stop
$256Southwest
Find Deal
Sat, Nov 8 - Sat, Nov 15
Southwest Logo
3:40 pm - 9:55 pmISP-PWM
6h 15m1 stop
Southwest Logo
3:15 pm - 9:45 pmPWM-ISP
6h 30m1 stop
$265Southwest
Find Deal
Tue, Oct 14 - Tue, Oct 21
Multiple Airlines Logo
9:37 pm - 1:20 pmISP-BOS
15h 43m1 stop
Multiple Airlines Logo
2:15 pm - 10:57 amBOS-ISP
20h 42m1 stop
$271Multiple Airlines
Find Deal
Thu, Nov 13 - Tue, Nov 18
Southwest Logo
3:25 pm - 12:20 amISP-PWM
8h 55m2 stops
Southwest Logo
12:45 pm - 9:35 pmPWM-ISP
8h 50m2 stops
$275Southwest
Find Deal
Tue, Oct 14 - Tue, Oct 21
Multiple Airlines Logo
9:37 pm - 11:26 amISP-BOS
13h 49m2 stops
Multiple Airlines Logo
2:15 pm - 10:57 amBOS-ISP
20h 42m1 stop
$278Multiple Airlines
Find Deal
Sat, Nov 8 - Sat, Nov 15
Breeze Airways Logo
8:45 pm - 5:00 pmISP-PWM
20h 15m1 stop
Breeze Airways Logo
6:18 pm - 11:00 amPWM-ISP
16h 42m2 stops
$290Breeze Airways
Find Deal
Sat, Sep 27 - Tue, Sep 30
Breeze Airways Logo
7:32 pm - 5:00 pmISP-PWM
21h 28m1 stop
Breeze Airways Logo
1:18 pm - 8:05 pmPWM-ISP
30h 47m1 stop
$314Breeze Airways
Find Deal
Sat, Sep 27 - Mon, Sep 29
Cape Air Logo
2:19 pm - 3:46 pmISP-BOS
1h 27mnonstop
Cape Air Logo
9:27 am - 10:58 amBOS-ISP
1h 31mnonstop
$499Cape Air
Find Deal
Sat, Sep 27 - Sun, Sep 28
Cape Air Logo
4:33 pm - 6:00 pmISP-BOS
1h 27mnonstop
Cape Air Logo
6:30 pm - 8:01 pmBOS-ISP
1h 31mnonstop
$500Cape Air
Find Deal
Booking Insights

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 $520 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 Thursday 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
Cheapest flight$138
Best time to beat the crowds but there is an average 9% increase in price.
Most popular time to fly and prices are also 54% 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 $205 on average. The most expensive time of day to fly to New Hampshire is generally in the afternoon, which is peak travel time and where the average cost of a ticket is $520.

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 $260 one-way - $497 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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