$177 Find Cheap Flights from Idaho Falls 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 Idaho Falls to New Hampshire departing on 8/8. 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 Idaho Falls 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 Idaho Falls to New Hampshire, as well as popular online travel agencies
Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 20% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Flights Deals
Useful Info
Flights Deals

Best New Hampshire Flight Deals from Idaho Falls

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Boston
Boston1 stop$416
Portland
Portland1 stop$659
Boston
Boston1 stop$416
Portland
Portland1 stop$659

Cheap Flights from Idaho Falls to New Hampshire

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Idaho Falls 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 Idaho Falls to New Hampshire

Fri, Sep 26 - Sat, Oct 4
American Airlines Logo
12:54 pm - 10:40 pmIDA-BOS
7h 46m1 stop
American Airlines Logo
6:00 am - 12:59 pmBOS-IDA
8h 59m1 stop
$416American Airlines
Find Deal
Fri, Sep 26 - Sat, Oct 4
American Airlines Logo
12:54 pm - 10:40 pmIDA-BOS
7h 46m1 stop
American Airlines Logo
11:02 am - 9:25 pmBOS-IDA
12h 23m2 stops
$421American Airlines
Find Deal
Fri, Sep 26 - Sat, Oct 4
American Airlines Logo
6:44 am - 8:25 pmIDA-BOS
11h 41m2 stops
American Airlines Logo
11:28 am - 9:25 pmBOS-IDA
11h 57m2 stops
$556American Airlines
Find Deal
Fri, Jul 11 - Wed, Jul 16
American Airlines Logo
6:51 am - 10:25 pmIDA-BOS
13h 34m2 stops
American Airlines Logo
10:20 am - 9:35 pmBOS-IDA
13h 15m2 stops
$621American Airlines
Find Deal
Mon, Jul 14 - Fri, Jul 18
United Airlines Logo
5:00 am - 2:11 pmIDA-BOS
7h 11m1 stop
United Airlines Logo
9:30 am - 5:22 pmBOS-IDA
9h 52m1 stop
$622United Airlines
Find Deal
Fri, Jul 11 - Wed, Jul 16
Alaska Airlines Logo
6:15 am - 4:45 pmIDA-BOS
8h 30m1 stop
Alaska Airlines Logo
7:20 am - 3:22 pmBOS-IDA
10h 02m1 stop
$640Alaska Airlines
Find Deal
Fri, Jul 11 - Wed, Jul 16
American Airlines Logo
6:51 am - 10:25 pmIDA-BOS
13h 34m2 stops
American Airlines Logo
12:41 pm - 9:35 pmBOS-IDA
10h 54m1 stop
$646American Airlines
Find Deal
Sat, Aug 16 - Mon, Aug 18
United Airlines Logo
6:03 pm - 2:24 pmIDA-PWM
18h 21m2 stops
United Airlines Logo
6:20 pm - 3:11 pmPWM-IDA
22h 51m2 stops
$751United Airlines
Find Deal
Mon, Jul 14 - Fri, Jul 18
Delta Logo
6:52 pm - 9:00 amIDA-BOS
12h 08m2 stops
Delta Logo
5:15 am - 2:24 pmBOS-IDA
11h 09m2 stops
$755Delta
Find Deal
Sun, Jul 13 - Thu, Jul 17
Delta Logo
6:52 pm - 9:00 amIDA-BOS
12h 08m2 stops
Delta Logo
5:30 am - 2:24 pmBOS-IDA
10h 54m2 stops
$839Delta
Find Deal
Useful Info

KAYAK's insights & trends for Idaho Falls to New Hampshire flights

Get data-powered insights and trends into flights from Idaho Falls 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 Idaho Falls to New Hampshire?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Idaho Falls 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 Idaho Falls to New Hampshire is March, when tickets cost $444 (return) on average. On the other hand, the most expensive months are February and June, when the average cost of round-trip tickets is $1,307 and $1,035 respectively.

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

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

If your flying dates are flexible, you should consider flying to New Hampshire on a Sunday, as we generally find the cheapest rates on that day for this route. On the other hand, Thursday is the most expensive day to fly from Idaho Falls to New Hampshire. For your return ticket, we recommend flying on a Tuesday and avoiding Wednesdays for the best deals.


Good to know

Low seasonJanuary
High seasonMarch
Cheapest flight$177
Best time to beat the crowds with an average 17% drop in price.
Most popular time to fly and prices are also 39% lower on average.
Flight from Idaho Falls to Boston

FAQs - booking New Hampshire flights

  • How does KAYAK find such low prices on flights from Idaho Falls 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 Idaho Falls to New Hampshire.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Idaho Falls 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 Idaho Falls 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 Idaho Falls 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 Idaho Falls 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 Idaho Falls 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 at night, when round-trip flights cost $562 on average. Morning departures are around 56% more expensive than evening flights, on average. The most expensive time of day to fly to New Hampshire is generally in the morning, which is peak travel time and where the average cost of a ticket is $930.

Everything you need to know for your flight from Idaho Falls to New Hampshire

Information on your arrival and departure airports

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.