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

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 New Hampshire to Idaho Falls. Visit our flight page for the latest deals!>/a>

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

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Idaho Falls from New Hampshire is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from New Hampshire to Idaho Falls?

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 to Idaho Falls with an airline and back to New Hampshire with another airline. Visit our flight page for the latest deals!>/a>

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

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 to Idaho Falls from New Hampshire up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$342 CHEAP FLIGHTS from New Hampshire to Idaho Falls

IDA

KAYAK searches hundreds of travel sites at once for deals on flights to Idaho Falls

...and more

Travelers love KAYAK

41,299,237 searches in the past 7 days on KAYAK

Save 23% 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.

Cheapest round-trip

$388

Overall average: $748

Alaska Airlines

Tue 2/3Sat 2/7

BOS - IDA • 2 stops

Cheapest one-way

$342

Alaska Airlines

Sat 2/14

BOS - IDA • 1 stop

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Idaho Falls!

Flight Deals

Cheap Flights from New Hampshire to Idaho Falls

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

Round-trip

One-way

Last minute

Recent round-trip flight deals from New Hampshire to Idaho Falls

Tue, Feb 3 - Sat, Feb 7

5:20 pm - 10:59 pm

BOS

IDA

31h 39m2 stops

9:00 am - 11:54 pm

IDA

BOS

12h 54m1 stop

$388Alaska Airlines

Tue, Feb 3 - Sat, Feb 7

6:44 pm - 6:18 pm

BOS

IDA

25h 34m1 stop

6:58 pm - 4:20 pm

IDA

BOS

19h 22m1 stop

$403Alaska Airlines

Tue, Feb 3 - Sat, Feb 7

5:20 pm - 10:59 pm

BOS

IDA

31h 39m2 stops

9:00 am - 3:20 pm

IDA

BOS

28h 20m2 stops

$413Alaska Airlines

Sat, Feb 7 - Sun, Feb 15

9:51 am - 10:36 pm

BOS

IDA

14h 45m2 stops

2:18 pm - 7:13 am

IDA

BOS

14h 55m2 stops

$418American Airlines

Sat, Jan 31 - Tue, Feb 3

9:51 am - 10:36 pm

BOS

IDA

14h 45m2 stops

2:07 pm - 11:30 pm

IDA

BOS

7h 23m1 stop

$427American Airlines

Sat, Jan 31 - Tue, Feb 3

9:51 am - 10:36 pm

BOS

IDA

14h 45m2 stops

7:20 am - 11:44 pm

IDA

BOS

14h 24m2 stops

$429American Airlines

Sat, Feb 28 - Tue, Mar 3

6:24 pm - 11:36 pm

BOS

IDA

31h 12m1 stop

8:00 am - 11:59 pm

IDA

BOS

13h 59m1 stop

$433Alaska Airlines

Sat, Jan 31 - Tue, Feb 3

7:25 am - 1:30 pm

BOS

IDA

8h 05m1 stop

2:40 pm - 11:46 pm

IDA

BOS

7h 06m1 stop

$436United Airlines

Sat, Jan 24 - Wed, Jan 28

6:00 am - 3:31 pm

PWM

IDA

11h 31m2 stops

2:40 pm - 2:39 pm

IDA

PWM

21h 59m2 stops

$569United Airlines

Sat, Jan 24 - Wed, Jan 28

6:00 am - 3:31 pm

PWM

IDA

11h 31m2 stops

2:40 pm - 2:39 pm

IDA

PWM

21h 59m2 stops

$604United Airlines

Useful Info

Low season	March
High season	July
Cheapest flight	$342

Best time to beat the crowds but there is an average 23% increase in price.

Most popular time to fly and prices are also 13% lower on average.

Flight from Boston to Idaho Falls

How does KAYAK find such low prices on flights from New Hampshire to Idaho Falls?
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 New Hampshire to Idaho Falls.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from New Hampshire to Idaho Falls?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Idaho Falls from 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 New Hampshire to Idaho Falls?
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 to Idaho Falls with an airline and back to New Hampshire with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from New Hampshire to Idaho Falls?
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 to Idaho Falls from New Hampshire up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Idaho Falls

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in Idaho Falls

Idaho Falls (IDA)

IDA

$342 Find Cheap Flights from New Hampshire to Idaho Falls

KAYAK searches hundreds of travel sites at once for deals on flights to Idaho Falls

Everything you should know

Cheap Flights from New Hampshire to Idaho Falls

Recent round-trip flight deals from New Hampshire to Idaho Falls

Recent one-way flight deals from New Hampshire to Idaho Falls

Recent last minute flight deals from New Hampshire to Idaho Falls

Good to know

FAQs for booking flights from New Hampshire to Idaho Falls

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

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 New Hampshire to Idaho Falls.

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

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Idaho Falls from 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 New Hampshire to Idaho Falls?

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 to Idaho Falls with an airline and back to New Hampshire with another airline.

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

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 to Idaho Falls from New Hampshire up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Idaho Falls

Information on the airport you'll fly into in Idaho Falls

Cabin class types available on flights to New Hampshire

Complete your trip to Idaho Falls with a hotel stay or car rental

Find direct flights for Idaho Falls

Flights to other popular destinations

Flights from domestic origins to Idaho Falls

Choose which airport to fly into in Idaho Falls

Find deals for your return flight