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$144+ 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 5/26. Fares are subject to change and may not be available on all flights or dates of travel.
MHT — BOI
abr. 27 — may. 41
dom. 4/27
dom. 5/4
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 abril 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$297
(Delta)

One-way from

$144
(Delta)

Popular in

May

Cheapest in

January

Average price

$515
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. 9% potential increase in price ($50 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 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 abril 22, 2025.

This Delta deal was found by Cheapflights users on 4/22. 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.
mar. 6/175:40 amBOS - GEG
1 stop7h 56mDelta
mar. 6/2412:29 pmGEG - BOS
1 stop9h 52mDelta
Deal found 4/22$297
This Delta deal was found by Cheapflights users on 4/22. 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.
mié. 6/185:40 amBOS - BOI
1 stop10h 13mDelta
mié. 7/211:40 pmBOI - BOS
1 stop7h 52mDelta
Deal found 4/22$311
This Alaska Airlines deal was found by Cheapflights users on 4/22. 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.
mar. 5/204:49 pmBOS - GEG
1 stop9h 58mAlaska Airlines
mar. 5/277:26 pmGEG - BOS
1 stop25h 40mAlaska Airlines
Deal found 4/22$322
This Alaska Airlines deal was found by Cheapflights users on 4/22. 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.
mié. 5/288:40 amBOS - BOI
1 stop16h 10mAlaska Airlines
dom. 6/17:58 pmBOI - BOS
1 stop9h 42mAlaska Airlines
Deal found 4/22$347
This Delta deal was found by Cheapflights users on 4/21. 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.
mié. 7/96:00 amPWM - BOI
1 stop8h 31mDelta
mié. 7/161:43 pmBOI - PWM
1 stop8h 16mDelta
Deal found 4/21$351
This Delta deal was found by Cheapflights users on 4/22. 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.
lun. 6/96:00 amPWM - GEG
1 stop8h 19mDelta
mar. 6/1712:29 pmGEG - PWM
1 stop8h 57mDelta
Deal found 4/22$351
This American Airlines deal was found by Cheapflights users on 4/22. 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.
mar. 7/15:00 amBOS - GEG
1 stop11h 11mAmerican Airlines
mar. 7/151:39 pmGEG - BOS
1 stop7h 35mAmerican Airlines
Deal found 4/22$351
This American Airlines deal was found by Cheapflights users on 4/21. 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.
vie. 6/68:05 amBOS - JAC
1 stop9h 47mAmerican Airlines
mié. 6/113:29 pmJAC - BOS
1 stop6h 51mAmerican Airlines
Deal found 4/21$361
This United Airlines deal was found by Cheapflights users on 4/22. 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.
sáb. 5/247:31 amBOS - SUN
1 stop8h 12mUnited Airlines
sáb. 5/312:25 pmSUN - BOS
1 stop7h 28mUnited Airlines
Deal found 4/22$361
This Southwest deal was found by Cheapflights users on 4/22. 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.
sáb. 6/710:55 amPWM - GEG
2 stops9h 40mSouthwest
mié. 6/186:50 amGEG - PWM
2 stops13h 35mSouthwest
Deal found 4/22$364
This Delta deal was found by Cheapflights users on 4/21. 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.
sáb. 5/1712:35 pmBOS - SUN
2 stops11h 13mDelta
sáb. 5/2412:37 pmSUN - BOS
1 stop9h 21mDelta
Deal found 4/21$366
This American Airlines deal was found by Cheapflights users on 4/21. 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.
mar. 7/16:00 amPWM - JAC
1 stop8h 24mAmerican Airlines
mar. 7/227:00 amJAC - PWM
2 stops13h 59mAmerican Airlines
Deal found 4/21$374

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 abril 22, 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

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

mar. 6/17

6:55 pm-12:06 am

1 stop8h 11m

Spokane

mar. 6/24

2:22 pm-11:56 pm

1 stop6h 34m

$297

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

mié. 6/18

5:40 am-1:53 pm

1 stop10h 13m

Boise Air Term. Gowen Fld

mié. 7/2

11:40 pm-9:32 am

1 stop7h 52m

$311

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

mar. 5/20

4:49 pm-11:47 pm

1 stop9h 58m

Spokane

mar. 5/27

7:26 pm-12:06 am

1 stop25h 40m

$322

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

mié. 5/28

8:40 am-10:50 pm

1 stop16h 10m

Boise Air Term. Gowen Fld

dom. 6/1

7:58 pm-7:40 am

1 stop9h 42m

$347

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

mar. 7/1

5:00 am-1:11 pm

1 stop11h 11m

Spokane

mar. 7/15

1:39 pm-12:14 am

1 stop7h 35m

$351

PortlandBoise

PWM - BOI

PWMBOI

Portland

mié. 7/9

6:00 am-12:31 pm

1 stop8h 31m

Boise Air Term. Gowen Fld

mié. 7/16

1:43 pm-11:59 pm

1 stop8h 16m

$351

PortlandSpokane

PWM - GEG

PWMGEG

Portland

lun. 6/9

6:00 am-11:19 am

1 stop8h 19m

Spokane

mar. 6/17

12:29 pm-12:26 am

1 stop8h 57m

$351

BostonHailey

BOS - SUN

BOSSUN

Boston Logan Intl

sáb. 5/24

7:31 am-1:43 pm

1 stop8h 12m

Hailey Sun Valley-Friedman

sáb. 5/31

2:25 pm-11:53 pm

1 stop7h 28m

$361

BostonJackson

BOS - JAC

BOSJAC

Boston Logan Intl

vie. 6/6

8:05 am-3:52 pm

1 stop9h 47m

Jackson Hole

mié. 6/11

3:29 pm-12:20 am

1 stop6h 51m

$361

PortlandSpokane

PWM - GEG

PWMGEG

Portland

sáb. 6/7

10:55 am-5:35 pm

2 stops9h 40m

Spokane

mié. 6/18

6:50 am-11:25 pm

2 stops13h 35m

$364

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

Showing 1-10 of 60 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 abril 22, 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
9,911 reviews

Food

7.1

Boarding

8.2

Crew

8.5

Entertainment

7.1

Overall

8.0

Comfort

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,911 reviews
Alaska Airlines
8.0
Very good
9,911 reviews

Food

7.1

Boarding

8.2

Crew

8.5

Entertainment

7.1

Overall

8.0

Comfort

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
9,911 reviews

Food

7.1

Boarding

8.2

Crew

8.5

Entertainment

7.1

Overall

8.0

Comfort

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,920 reviews
Alaska Airlines
8.0
Very good
9,911 reviews

Food

7.1

Boarding

8.2

Crew

8.5

Entertainment

7.1

Overall

8.0

Comfort

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Hawaiian Airlines
7.9
Good
2,392 reviews
Alaska Airlines
8.0
Very good
9,911 reviews

Food

7.1

Boarding

8.2

Crew

8.5

Entertainment

7.1

Overall

8.0

Comfort

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,683 reviews
Alaska Airlines
8.0
Very good
9,911 reviews

Food

7.1

Boarding

8.2

Crew

8.5

Entertainment

7.1

Overall

8.0

Comfort

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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 Delta, which is currently one of the cheapest options available, starting at $144. American Airlines flights start at $158 while deals on Southwest start at $177 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 abril 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$361Average$686FlexibilityNo cancel feeOn-time71%

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