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$145+ 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 1/1. Fares are subject to change and may not be available on all flights or dates of travel.
MHT — BOI
nov. 29 — dic. 61
sáb. 11/29
sáb. 12/6
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 octubre 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$313
(Delta)

One-way from

$145
(Delta)

Popular in

December

Cheapest in

January

Average price

$497
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. 1% potential increase in price ($5 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in October 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 octubre 30, 2025.

This Delta deal was found by Cheapflights users on 10/28. 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.
jue. 11/278:00 amBOS - GEG
1 stop8h 14mDelta
jue. 12/47:17 pmGEG - BOS
1 stop8h 03mDelta
Deal found 10/28$303
This Delta deal was found by Cheapflights users on 10/29. 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. 12/166:46 pmBOS - BOI
1 stop7h 56mDelta
jue. 12/251:00 pmBOI - BOS
1 stop9h 24mDelta
Deal found 10/29$314
This American Airlines deal was found by Cheapflights users on 10/28. 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.
mié. 12/37:00 amBOS - GEG
1 stop8h 30mAmerican Airlines
mar. 12/91:14 pmGEG - BOS
1 stop7h 59mAmerican Airlines
Deal found 10/28$317
This Alaska Airlines deal was found by Cheapflights users on 10/30. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/67:00 amBOS - BOI
1 stop10h 26mAlaska Airlines
mar. 12/96:03 amBOI - BOS
1 stop9h 17mAlaska Airlines
Deal found 10/30$318
This Delta deal was found by Cheapflights users on 10/30. 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.
sáb. 12/1311:25 amBOS - BOI
1 stop9h 26mDelta
jue. 12/183:13 pmBOI - BOS
1 stop6h 48mDelta
Deal found 10/30$319
This United Airlines deal was found by Cheapflights users on 10/28. 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.
mié. 12/36:00 amBOS - GEG
2 stops9h 45mUnited Airlines
mar. 12/95:25 amGEG - BOS
1 stop7h 17mUnited Airlines
Deal found 10/28$322
This United Airlines deal was found by Cheapflights users on 10/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/136:00 amBOS - BOI
1 stop8h 17mUnited Airlines
mar. 12/1610:40 amBOI - BOS
2 stops9h 05mUnited Airlines
Deal found 10/30$324
This Alaska Airlines deal was found by Cheapflights users on 10/30. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/56:52 pmBOS - BOI
1 stop29h 06mAlaska Airlines
lun. 12/81:25 pmBOI - BOS
1 stop8h 34mAlaska Airlines
Deal found 10/30$325
This Delta deal was found by Cheapflights users on 10/30. 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.
jue. 11/206:10 amBOS - JAC
1 stop7h 51mDelta
mié. 11/2612:57 pmJAC - BOS
1 stop8h 46mDelta
Deal found 10/30$349
This United Airlines deal was found by Cheapflights users on 10/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/83:16 pmBOS - GEG
1 stop8h 43mUnited Airlines
jue. 12/115:25 amGEG - BOS
2 stops10h 23mUnited Airlines
Deal found 10/30$352
This United Airlines deal was found by Cheapflights users on 10/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/2010:40 amBOS - JAC
2 stops11h 57mUnited Airlines
mié. 11/2610:45 amJAC - BOS
2 stops10h 57mUnited Airlines
Deal found 10/30$359
This Southwest deal was found by Cheapflights users on 10/27. 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. 12/69:20 amBOS - GEG
2 stops13h 35mSouthwest
sáb. 12/137:00 amGEG - BOS
2 stops11h 55mSouthwest
Deal found 10/27$362

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 octubre 30, 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

jue. 11/27

8:00 am-1:14 pm

1 stop8h 14m

Spokane

jue. 12/4

7:17 pm-6:20 am

1 stop8h 03m

$303

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

jue. 1/22

7:00 am-3:03 pm

1 stop11h 03m

Spokane

lun. 1/26

12:10 pm-11:59 pm

1 stop8h 49m

$316

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

sáb. 12/6

7:00 am-3:26 pm

1 stop10h 26m

Boise Air Term. Gowen Fld

mar. 12/9

6:03 am-5:20 pm

1 stop9h 17m

$318

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

mar. 12/16

6:10 am-12:02 pm

1 stop7h 52m

Boise Air Term. Gowen Fld

mar. 12/23

11:47 pm-10:09 am

1 stop8h 22m

$319

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

mar. 12/16

6:24 pm-12:09 am

1 stop7h 45m

Boise Air Term. Gowen Fld

jue. 12/25

1:00 pm-12:24 am

1 stop9h 24m

$319

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

mié. 12/10

12:02 pm-8:59 pm

2 stops11h 57m

Spokane

mié. 12/17

5:25 am-6:50 pm

2 stops10h 25m

$327

BostonHailey

BOS - SUN

BOSSUN

Boston Logan Intl

lun. 1/26

6:44 pm-11:14 am

1 stop18h 30m

Hailey Sun Valley-Friedman

jue. 1/29

8:21 pm-4:20 pm

1 stop17h 59m

$340

BostonHailey

BOS - SUN

BOSSUN

Boston Logan Intl

mié. 2/25

12:29 pm-9:22 pm

1 stop10h 53m

Hailey Sun Valley-Friedman

mié. 3/4

1:21 pm-12:12 am

1 stop8h 51m

$341

BostonHailey

BOS - SUN

BOSSUN

Boston Logan Intl

lun. 1/12

6:10 am-2:42 pm

1 stop10h 32m

Hailey Sun Valley-Friedman

vie. 1/16

3:24 pm-11:56 pm

1 stop6h 32m

$341

BostonHailey

BOS - SUN

BOSSUN

Boston Logan Intl

dom. 1/11

6:10 am-12:03 pm

1 stop7h 53m

Hailey Sun Valley-Friedman

mié. 1/14

3:24 pm-11:56 pm

1 stop6h 32m

$341

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

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
No data available for this route at this time. Please check back soon.

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 octubre 30, 2025.
Read reviews from past customers who have flown American Airlines from New Hampshire to Idaho. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
11,034 reviews

Food

6.4

Comfort

7.2

Entertainment

6.9

Crew

8.0

Overall

7.2

Boarding

7.5

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac
American Airlines
7.2
Good
11,034 reviews
American Airlines
7.2
Good
11,034 reviews

Food

6.4

Comfort

7.2

Entertainment

6.9

Crew

8.0

Overall

7.2

Boarding

7.5

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac

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.

  • How long is the flight from New Hampshire to Idaho?

    Departing from New Hampshire to Idaho will take you 8h 14m. The distance from New Hampshire to Idaho is about 2266 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 $155. Alaska Airlines flights start at $158 while deals on American Airlines start at $159 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.

See more FAQs

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Alternative routes for New Hampshire to Idaho

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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 octubre 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$168Average$774FlexibilityNo cancel feeOn-time71%

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