What is the cheapest airline that flies from New Hampshire to Idaho?

American Airlines, Spirit Airlines, and Hawaiian Airlines are the most popular carriers operating from New Hampshire to Idaho

How many flights depart from New Hampshire to Idaho on average per week?

The number of flights available between New Hampshire and Idaho is 3 per week as of August 2025. The most frequent departure day is Mon, with 33% of weekly flights leaving on this day.

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?

The number of operators available for flights from New Hampshire to Idaho is 6 as of August 2025.

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.

$139 Cheap Flights from New Hampshire to Idaho in 2025

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Find the cheapest flights from New Hampshire to Idaho

Round-trip

One-way

Last minute

Cheap round-trip flights

4:46 pm - 11:59 pmBOS-BOI

9h 13m1 stop

5:54 am - 3:24 pmBOI-BOS

7h 30m1 stop

$274Hawaiian Airlines

Find Deal

Wed, Nov 12 - Wed, Nov 19

5:45 am - 2:02 pmBOS-BOI

10h 17m1 stop

5:42 am - 1:53 pmBOI-BOS

6h 11m1 stop

$275Delta

Find Deal

Tue, Oct 28 - Tue, Nov 4

2:04 pm - 10:22 pmBOS-BOI

10h 18m2 stops

1:40 pm - 11:14 pmBOI-BOS

7h 34m1 stop

$280American Airlines

Find Deal

Tue, Oct 28 - Tue, Nov 4

6:36 am - 2:24 pmBOS-GEG

10h 48m2 stops

1:14 pm - 11:59 pmGEG-BOS

7h 45m1 stop

$283American Airlines

Find Deal

Fri, Oct 31 - Tue, Nov 4

5:50 am - 8:31 pmBOS-BOI

16h 41m2 stops

9:26 pm - 10:47 pmBOI-BOS

23h 21m2 stops

$296Spirit Airlines

Find Deal

Mon, Sep 15 - Mon, Sep 22

7:00 am - 3:24 pmBOS-BOI

10h 24m1 stop

8:30 pm - 7:40 amBOI-BOS

9h 10m1 stop

$301Alaska Airlines

Find Deal

Wed, Dec 10 - Mon, Dec 15

6:20 pm - 11:55 pmBOS-GEG

8h 35m1 stop

6:05 am - 9:35 pmGEG-BOS

12h 30m2 stops

$302Southwest

Find Deal

Fri, Nov 7 - Tue, Nov 11

3:50 pm - 11:35 pmMHT-GEG

10h 45m2 stops

6:35 am - 10:10 pmGEG-MHT

12h 35m2 stops

$307Southwest

Find Deal

Tue, Oct 28 - Wed, Nov 5

6:20 am - 7:56 pmBOS-BOI

15h 36m2 stops

8:58 pm - 10:52 pmBOI-BOS

23h 54m2 stops

$308Spirit Airlines

Find Deal

Mon, Oct 13 - Mon, Oct 20

8:25 pm - 10:39 amBOS-BOI

16h 14m1 stop

11:43 am - 12:20 amBOI-BOS

10h 37m1 stop

$328Alaska Airlines

Find Deal

Thu, Oct 23 - Mon, Oct 27

Alaska Airlines flights from New Hampshire to Idaho

Our best Alaska Airlines deals on New Hampshire to Idaho flight tickets

Alaska Airlines

Dec 10

BOS7:00 amBoston Logan Intl

10h 24m

1 stop

BOI3:24 pmBoise Air Term. Gowen Fld

Dec 15

BOI8:30 pmBoise Air Term. Gowen Fld

9h 10m

1 stop

BOS7:40 amBoston Logan Intl

$301

Find similar

Alaska Airlines

Oct 23

BOS8:25 pmBoston Logan Intl

16h 14m

1 stop

BOI10:39 amBoise Air Term. Gowen Fld

Oct 27

BOI11:43 amBoise Air Term. Gowen Fld

10h 37m

1 stop

BOS12:20 amBoston Logan Intl

$328

Find similar

Alaska Airlines

Oct 23

BOS8:01 amBoston Logan Intl

17h 21m

1 stop

BOI11:22 pmBoise Air Term. Gowen Fld

Oct 27

BOI6:45 pmBoise Air Term. Gowen Fld

10h 44m

2 stops

BOS7:29 amBoston Logan Intl

$331

Find similar

Spirit Airlines flights from New Hampshire to Idaho

Our best Spirit Airlines deals on New Hampshire to Idaho flight tickets

Spirit Airlines

Sep 15

BOS5:50 amBoston Logan Intl

16h 41m

2 stops

BOI8:31 pmBoise Air Term. Gowen Fld

Sep 22

BOI9:26 pmBoise Air Term. Gowen Fld

23h 21m

2 stops

BOS10:47 pmBoston Logan Intl

$296

Find similar

Spirit Airlines

Oct 13

BOS6:20 amBoston Logan Intl

15h 36m

2 stops

BOI7:56 pmBoise Air Term. Gowen Fld

Oct 20

BOI8:58 pmBoise Air Term. Gowen Fld

23h 54m

2 stops

BOS10:52 pmBoston Logan Intl

$308

Find similar

Spirit Airlines

Sep 26

BOS5:50 amBoston Logan Intl

16h 41m

2 stops

BOI8:31 pmBoise Air Term. Gowen Fld

Sep 29

BOI9:26 pmBoise Air Term. Gowen Fld

23h 21m

2 stops

BOS10:47 pmBoston Logan Intl

$334

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Wed 11/12

4:46 pm-11:59 pm

1 stop9h 13m

Boise Air Term. Gowen Fld

Wed 11/19

5:54 am-3:24 pm

1 stop7h 30m

$274

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Tue 10/28

5:45 am-2:02 pm

1 stop10h 17m

Boise Air Term. Gowen Fld

Tue 11/4

5:42 am-1:53 pm

1 stop6h 11m

$275

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Tue 10/28

2:04 pm-10:22 pm

2 stops10h 18m

Boise Air Term. Gowen Fld

Tue 11/4

1:40 pm-11:14 pm

1 stop7h 34m

$280

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Fri 10/31

6:36 am-2:24 pm

2 stops10h 48m

Spokane

Tue 11/4

1:14 pm-11:59 pm

1 stop7h 45m

$283

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Mon 9/15

5:50 am-8:31 pm

2 stops16h 41m

Boise Air Term. Gowen Fld

Mon 9/22

9:26 pm-10:47 pm

2 stops23h 21m

$296

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Wed 12/10

7:00 am-3:24 pm

1 stop10h 24m

Boise Air Term. Gowen Fld

Mon 12/15

8:30 pm-7:40 am

1 stop9h 10m

$301

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Fri 11/7

6:20 pm-11:55 pm

1 stop8h 35m

Spokane

Tue 11/11

6:05 am-9:35 pm

2 stops12h 30m

$302

ManchesterSpokane

MHT - GEG

MHTGEG

Manchester

Tue 10/28

3:50 pm-11:35 pm

2 stops10h 45m

Spokane

Wed 11/5

6:35 am-10:10 pm

2 stops12h 35m

$307

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Mon 10/13

6:20 am-7:56 pm

2 stops15h 36m

Boise Air Term. Gowen Fld

Mon 10/20

8:58 pm-10:52 pm

2 stops23h 54m

$308

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Thu 10/23

8:25 pm-10:39 am

1 stop16h 14m

Boise Air Term. Gowen Fld

Mon 10/27

11:43 am-12:20 am

1 stop10h 37m

$328

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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

Prices

Airlines

Other information

What is the cheapest month to fly to Idaho?

In general, January 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 $374. If you don’t want to visit Idaho in January, then you should wait until March to fly from New Hampshire, when ticket prices are also cheap, with an average price of $426.

What is the cheapest day to depart on your flight to Idaho?

Our data shows that Saturday is the least expensive day to fly to Idaho. Tickets to fly out on this day can be as low as $560. On the other hand, Tuesday is the most expensive day to depart from New Hampshire because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $901.

What is the cheapest time of day to depart on your flight to Idaho?

According to our data, the cheapest time of day to fly to Idaho is at noon. momondo users have found flights departing from New Hampshire to Idaho at noon for as low as $614. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the morning is when there is more demand to fly to Idaho, so prices are often more expensive at around $814 per ticket.

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 $459 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 $381 on momondo.

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

You could potentially save up to 29% 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

Best Price Found	$139
Fastest flight time	7h 06m
Direct flights	None
Airports in Idaho	5 airports

The best one-way flight to Idaho from New Hampshire in the past 72 hours is $139. The best round-trip flight deal from New Hampshire to Idaho found on momondo in the last 72 hours is $274.

The fastest flight from New Hampshire to Idaho takes 7h 06m

There are no direct flights from New Hampshire to Idaho. Popular non-direct routes for this connection are Portland Airport - Boise Air Term. Gowen Fld Airport, Boston Logan Intl Airport - Spokane Airport and Boston Logan Intl Airport - Boise Air Term. Gowen Fld Airport.

There are 5 airports near Idaho: Idaho Falls Fanning Field (IDA), Spokane (GEG), Boise Air Term. Gowen Fld (BOI), Jackson Hole (JAC), Hailey Sun Valley-Friedman (SUN)

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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?
The number of operators available for flights from New Hampshire to Idaho is 6 as of August 2025.
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 Airlines	PriceFrom $168	Free Cancellation	Rating 7.2 10,000 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.