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Idaho

$148+ Cheap flights from New Hampshire to Idaho

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/3. Fares are subject to change and may not be available on all flights or dates of travel.
MHT — BOI
Apr 7 — Apr 141
Mon 4/7
Mon 4/14
1 adult, Economy
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Cheap flight deals from New Hampshire to Idaho

Keep the following information in mind while searching for New Hampshire to Idaho flight deals. Data was last updated April 2, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$295
(Alaska Airlines)

One-way from

$148
(Hawaiian Airlines)

Popular in

May

Cheapest in

January

Average price

$470
Provider with most accurate pricing for Boston Logan Intl-Boise Air Term. Gowen Fld flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-Boise Air Term. Gowen Fld flights.
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From New Hampshire to Idaho
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One-way flight from New Hampshire to Idaho
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Highest demand for flights based on searches. 10% potential increase in price ($61 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from New Hampshire to Idaho

Cheapest flights from New Hampshire to Idaho
Explore the most affordable flight options available from New Hampshire to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 2, 2025.

This Delta deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/206:39 pmBOS - BOI
1 stop7h 30mDelta
Tue 4/298:00 pmBOI - BOS
1 stop8h 31mDelta
Deal found 3/30$260
This Alaska Airlines deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/2510:00 amBOS - BOI
1 stop29h 47mAlaska Airlines
Tue 4/291:00 pmBOI - BOS
1 stop8h 59mAlaska Airlines
Deal found 4/1$295
This Hawaiian Airlines deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/294:49 pmBOS - GEG
1 stop9h 58mHawaiian Airlines
Fri 5/3010:45 amGEG - BOS
1 stop10h 21mHawaiian Airlines
Deal found 4/1$296
This American Airlines deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/206:06 amBOS - GEG
1 stop8h 34mAmerican Airlines
Tue 9/231:39 pmGEG - BOS
1 stop7h 35mAmerican Airlines
Deal found 4/1$297
This Southwest deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/135:00 amBOS - GEG
1 stop7h 45mSouthwest
Tue 5/205:25 pmGEG - BOS
2 stops11h 45mSouthwest
Deal found 3/31$302
This American Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1312:36 pmBOS - BOI
1 stop10h 40mAmerican Airlines
Wed 8/201:17 pmBOI - BOS
1 stop7h 18mAmerican Airlines
Deal found 3/31$315
This Expedia deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/37:00 amBOS - BOI
1 stop8h 47mMultiple Airlines
Fri 5/912:16 pmBOI - BOS
2 stops25h 40mMultiple Airlines
Deal found 4/1$321
This Hawaiian Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/207:30 amBOS - BOI
1 stop10h 25mHawaiian Airlines
Wed 5/287:58 pmBOI - BOS
1 stop9h 42mHawaiian Airlines
Deal found 3/31$331
This Alaska Airlines deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/35:20 pmBOS - GEG
1 stop9h 39mAlaska Airlines
Sat 5/105:06 amGEG - BOS
2 stops15h 53mAlaska Airlines
Deal found 4/1$335
This United Airlines deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/297:10 amBOS - JAC
1 stop10h 13mUnited Airlines
Tue 5/62:35 pmJAC - BOS
1 stop7h 05mUnited Airlines
Deal found 4/1$341
This American Airlines deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/136:00 amPWM - BOI
1 stop8h 36mAmerican Airlines
Tue 8/191:17 pmBOI - PWM
1 stop7h 29mAmerican Airlines
Deal found 4/1$351
This Delta deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/41:53 pmPWM - BOI
2 stops11h 36mDelta
Mon 9/811:30 pmBOI - PWM
1 stop10h 00mDelta
Deal found 4/1$356

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated April 2, 2025.
Use the filters below to find and compare flights from New Hampshire to Idaho that are best for you.

Fly from

New Hampshire

Fly to

Idaho

Route

Depart

Return

Price

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Sun 4/20

6:39 pm-12:09 am

1 stop7h 30m

Boise Air Term. Gowen Fld

Tue 4/29

8:00 pm-6:31 am

1 stop8h 31m

$260

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Fri 4/25

10:00 am-1:47 pm

1 stop29h 47m

Boise Air Term. Gowen Fld

Tue 4/29

1:00 pm-11:59 pm

1 stop8h 59m

$295

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Thu 5/29

4:49 pm-11:47 pm

1 stop9h 58m

Spokane

Fri 5/30

10:45 am-12:06 am

1 stop10h 21m

$296

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Sat 5/3

6:25 am-1:38 pm

1 stop10h 13m

Spokane

Sat 5/10

5:34 am-5:19 pm

1 stop8h 45m

$297

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Tue 5/13

5:00 am-9:45 am

1 stop7h 45m

Spokane

Tue 5/20

5:25 pm-8:10 am

2 stops11h 45m

$302

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Sat 5/3

7:00 am-1:47 pm

1 stop8h 47m

Boise Air Term. Gowen Fld

Fri 5/9

12:16 pm-3:56 pm

2 stops25h 40m

$321

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Tue 5/20

7:30 am-3:55 pm

1 stop10h 25m

Boise Air Term. Gowen Fld

Wed 5/28

7:58 pm-7:40 am

1 stop9h 42m

$331

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Sat 5/3

5:20 pm-11:59 pm

1 stop9h 39m

Spokane

Sat 5/10

5:06 am-11:59 pm

2 stops15h 53m

$335

BostonJackson

BOS - JAC

BOSJAC

Boston Logan Intl

Tue 4/29

7:10 am-3:23 pm

1 stop10h 13m

Jackson Hole

Tue 5/6

2:35 pm-11:40 pm

1 stop7h 05m

$341

PortlandBoise

PWM - BOI

PWMBOI

Portland

Wed 8/13

6:00 am-12:36 pm

1 stop8h 36m

Boise Air Term. Gowen Fld

Tue 8/19

1:17 pm-10:46 pm

1 stop7h 29m

$351

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

Showing 1-10 of 53 results
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Best time to book a flight from New Hampshire to Idaho

Have a flexible travel schedule? Discover the best time to fly to Idaho from New Hampshire with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from New Hampshire to Idaho

Rainfall in Idaho by month

Plan your trip to Idaho by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Idaho ranges from 0.2 - 1.6 inches per month. December is typically the wettest month, when rainfall can reach 1.6 in. August is typically the driest time to visit Idaho when rainfall is around 0.2 in.

Temperature in Idaho by month

Plan your trip to Idaho by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Idaho, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Idaho

Get insights into the airlines that provide service to Idaho. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Idaho. Reviews last updated April 2, 2025.
To help decide which airline to fly from New Hampshire to Idaho, see what other customers have to say about Alaska Airlines, Southwest and Delta. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,823 reviews

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.1

Entertainment

7.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,823 reviews
Alaska Airlines
8.0
Very good
9,823 reviews

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.1

Entertainment

7.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,275 reviews
Alaska Airlines
8.0
Very good
9,823 reviews

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.1

Entertainment

7.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,899 reviews
Alaska Airlines
8.0
Very good
9,823 reviews

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.1

Entertainment

7.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Hawaiian Airlines
7.9
Good
2,345 reviews
Alaska Airlines
8.0
Very good
9,823 reviews

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.1

Entertainment

7.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,615 reviews
Alaska Airlines
8.0
Very good
9,823 reviews

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.1

Entertainment

7.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

Find useful and relevant information for your journey from New Hampshire to Idaho. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines to fly from New Hampshire to Idaho one-way?

    To fly one-way, consider booking your trip with Hawaiian Airlines, which is currently one of the cheapest options available, starting at $148. American Airlines flights start at $149 while deals on United Airlines start at $154 one-way.

  • Can I find deals for flights from New Hampshire to Idaho that include hotel bookings?

    Yes. In addition to deals on New Hampshire to Idaho flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from New Hampshire to Idaho?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from New Hampshire to Idaho.

  • Can I find deals for business class flights from New Hampshire to Idaho?

    Yes. Cheapflights offers flight deals from New Hampshire to Idaho by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from New Hampshire to Idaho?

    Currently, October is the cheapest month in which you can book a flight from New Hampshire to Idaho (average of $314). Flying from New Hampshire to Idaho in June is currently the most expensive (average of $419). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for New Hampshire to Idaho

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from New Hampshire to Idaho

Discover the top airline that operate flights from New Hampshire to Idaho. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$361Average$686FlexibilityNo cancel feeOn-time71%

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