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Cheap flights from New Hampshire to Idaho from $119

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from New Hampshire to Idaho departing on 3/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from New Hampshire to Idaho

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
6:30 am - 11:44 am
BOS
-
GEG
8h 14m
1 stop
American Airlines Logo
12:25 pm - 12:05 am
GEG
-
BOS
8h 40m
1 stop
$237American Airlines
Wed, Mar 4 - Wed, Mar 11
Alaska Airlines Logo
7:00 am - 2:58 pm
BOS
-
BOI
9h 58m
1 stop
Alaska Airlines Logo
1:00 pm - 11:59 pm
BOI
-
BOS
8h 59m
1 stop
$237Alaska Airlines
Wed, Feb 25 - Tue, Mar 3
United Airlines Logo
2:20 pm - 11:23 pm
BOS
-
BOI
11h 03m
2 stops
United Airlines Logo
2:40 pm - 11:44 pm
BOI
-
BOS
7h 04m
1 stop
$242United Airlines
Tue, Feb 24 - Tue, Mar 3
Alaska Airlines Logo
6:24 pm - 8:40 am
BOS
-
BOI
16h 16m
1 stop
Alaska Airlines Logo
6:00 pm - 6:54 am
BOI
-
BOS
10h 54m
1 stop
$247Alaska Airlines
Sat, Mar 7 - Tue, Mar 10
United Airlines Logo
11:00 am - 6:51 pm
BOS
-
GEG
10h 51m
1 stop
United Airlines Logo
1:43 pm - 11:59 pm
GEG
-
BOS
7h 16m
1 stop
$257United Airlines
Wed, Apr 22 - Tue, Apr 28
American Airlines Logo
6:30 am - 12:29 pm
BOS
-
GEG
8h 59m
1 stop
American Airlines Logo
6:00 am - 7:31 pm
GEG
-
BOS
10h 31m
2 stops
$262American Airlines
Wed, Apr 15 - Tue, Apr 21
Delta Logo
5:50 am - 1:59 pm
BOS
-
BOI
10h 09m
1 stop
Delta Logo
1:43 pm - 1:09 am
BOI
-
BOS
9h 26m
1 stop
$273Delta
Sat, Feb 28 - Tue, Mar 3
Delta Logo
5:35 am - 1:30 pm
BOS
-
JAC
9h 55m
1 stop
Delta Logo
1:10 pm - 11:59 pm
JAC
-
BOS
8h 49m
1 stop
$297Delta
Mon, Mar 23 - Tue, Mar 31
Southwest Logo
5:00 am - 2:30 pm
MHT
-
GEG
12h 30m
2 stops
Southwest Logo
7:00 am - 10:50 pm
GEG
-
MHT
12h 50m
2 stops
$412Southwest
Tue, Mar 3 - Tue, Mar 10
Southwest Logo
3:15 pm - 12:30 am
MHT
-
GEG
12h 15m
2 stops
Southwest Logo
5:35 pm - 8:05 am
GEG
-
MHT
11h 30m
2 stops
$421Southwest
Fri, May 15 - Mon, May 18

United Airlines flights from New Hampshire to Idaho

Our best United Airlines deals on New Hampshire to Idaho flight tickets
United Airlines
Feb 24
BOS2:20 pmBoston Logan Intl
11h 03m
2 stops
BOI11:23 pmBoise Air Term. Gowen Fld
Mar 3
BOI2:40 pmBoise Air Term. Gowen Fld
7h 04m
1 stop
BOS11:44 pmBoston Logan Intl
$242
United Airlines
Apr 22
BOS11:00 amBoston Logan Intl
10h 51m
1 stop
GEG6:51 pmSpokane
Apr 28
GEG1:43 pmSpokane
7h 16m
1 stop
BOS11:59 pmBoston Logan Intl
$257
United Airlines
Mar 3
BOS6:00 amBoston Logan Intl
8h 33m
1 stop
BOI12:33 pmBoise Air Term. Gowen Fld
Mar 11
BOI12:59 pmBoise Air Term. Gowen Fld
9h 50m
1 stop
BOS12:49 amBoston Logan Intl
$263

Alaska Airlines flights from New Hampshire to Idaho

Our best Alaska Airlines deals on New Hampshire to Idaho flight tickets
Alaska Airlines
Feb 25
BOS7:00 amBoston Logan Intl
9h 58m
1 stop
BOI2:58 pmBoise Air Term. Gowen Fld
Mar 3
BOI1:00 pmBoise Air Term. Gowen Fld
8h 59m
1 stop
BOS11:59 pmBoston Logan Intl
$237
Alaska Airlines
Mar 7
BOS6:24 pmBoston Logan Intl
16h 16m
1 stop
BOI8:40 amBoise Air Term. Gowen Fld
Mar 10
BOI6:00 pmBoise Air Term. Gowen Fld
10h 54m
1 stop
BOS6:54 amBoston Logan Intl
$247
Alaska Airlines
Feb 23
BOS7:00 amBoston Logan Intl
13h 22m
1 stop
SUN6:22 pmHailey Sun Valley-Friedman
Feb 25
SUN7:04 pmHailey Sun Valley-Friedman
9h 50m
1 stop
BOS6:54 amBoston Logan Intl
$289

momondo Fare Finder

 
Customize your flight search to find flights from New Hampshire to Idaho 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, momondo users made 832,500 searches. Data last updated February 5, 2026.
Use the filters below to find and compare flights from New Hampshire to Idaho that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Wed 3/4

6:30 am-11:44 am

1 stop8h 14m

Spokane

Wed 3/11

12:25 pm-12:05 am

1 stop8h 40m

$237

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Wed 2/25

7:00 am-2:58 pm

1 stop9h 58m

Boise Air Term. Gowen Fld

Tue 3/3

1:00 pm-11:59 pm

1 stop8h 59m

$237

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Tue 2/24

2:20 pm-11:23 pm

2 stops11h 03m

Boise Air Term. Gowen Fld

Tue 3/3

2:40 pm-11:44 pm

1 stop7h 04m

$242

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Sat 3/7

6:24 pm-8:40 am

1 stop16h 16m

Boise Air Term. Gowen Fld

Tue 3/10

6:00 pm-6:54 am

1 stop10h 54m

$247

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Wed 4/22

11:00 am-6:51 pm

1 stop10h 51m

Spokane

Tue 4/28

1:43 pm-11:59 pm

1 stop7h 16m

$257

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Wed 4/15

6:30 am-12:29 pm

1 stop8h 59m

Spokane

Tue 4/21

6:00 am-7:31 pm

2 stops10h 31m

$262

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Sat 2/28

5:50 am-1:59 pm

1 stop10h 09m

Boise Air Term. Gowen Fld

Tue 3/3

1:43 pm-1:09 am

1 stop9h 26m

$273

BostonJackson

BOS - JAC

BOSJAC

Boston Logan Intl

Mon 3/23

5:35 am-1:30 pm

1 stop9h 55m

Jackson Hole

Tue 3/31

1:10 pm-11:59 pm

1 stop8h 49m

$297

ManchesterSpokane

MHT - GEG

MHTGEG

Manchester

Tue 3/3

5:00 am-2:30 pm

2 stops12h 30m

Spokane

Tue 3/10

7:00 am-10:50 pm

2 stops12h 50m

$412

ManchesterSpokane

MHT - GEG

MHTGEG

Manchester

Fri 5/15

3:15 pm-12:30 am

2 stops12h 15m

Spokane

Mon 5/18

5:35 pm-8:05 am

2 stops11h 30m

$421

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Idaho from

How to get the cheapest flight ticket from New Hampshire to Idaho

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Idaho?

In general, July is the cheapest month to fly from New Hampshire to Idaho. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $432. If you don’t want to visit Idaho in July, then you should wait until January to fly from New Hampshire, when ticket prices are also cheap, with an average price of $436.

How far in advance should I book a flight to Idaho?

You are more likely to see cheaper flights to Idaho from New Hampshire when booking weeks ahead of your departure date. In general, you can expect to find flights to Idaho for around $479 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Idaho from New Hampshire for as low as $368 on momondo.

Can stopping save me money on New Hampshire to Idaho flights?

You could potentially save up to 13% on your flight if you consider stops on a New Hampshire to Idaho flight.

Cheap New Hampshire to Idaho flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from New Hampshire to Idaho

Fastest flight time

7h 09m

Direct flights

None
The fastest flight from New Hampshire to Idaho takes 7h 09m
There are no direct flights from New Hampshire to Idaho. There are no popular flight routes from New Hampshire to Idaho.
Search flight deals

  • When did momondo last update prices for flights from New Hampshire to Idaho?

    Prices for flights from New Hampshire to Idaho refresh daily.

  • How many operators does momondo search for flights from New Hampshire to Idaho?

  • How old do you have to be to fly from New Hampshire to Idaho?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from New Hampshire to Idaho.

  • What documentation or ID do you need to fly to Idaho?

    The required travel and health documents for your Idaho trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Idaho. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from New Hampshire to Idaho

Compare and see reviews for airlines that fly from New Hampshire to Idaho with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $168Free CancellationRating
7.2
11,237 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from New Hampshire to Idaho?

Finding the right flight to Idaho from New Hampshire is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Idaho quick and easy, saving you time and money.

Can I find flights from New Hampshire to Idaho with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for New Hampshire to Idaho flights to just show those with flexible booking policies.

How can momondo help me find flights from New Hampshire to Idaho?

momondo provides multiple filters to help you find the best flight to Idaho from New Hampshire. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from New Hampshire to Idaho right now. Can momondo alert me if prices change?

Price alerts on flights to Idaho from New Hampshire are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Idaho trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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