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$119+ 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 10/9. Fares are subject to change and may not be available on all flights or dates of travel.
MHT — BOI
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
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 September 16, 2025.

Round-trip from

$237
(Delta)

One-way from

$119
(Delta)

Popular in

December

Cheapest in

January

Average price

$466
From New Hampshire to Idaho
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One-way flight from New Hampshire to Idaho
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High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 16, 2025.

This Delta deal was found by Cheapflights users on 9/16. 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.
Wed 10/157:20 amBOS - GEG
1 stop10h 37mDelta
Sat 10/185:45 amGEG - BOS
1 stop8h 27mDelta
Deal found 9/16$237
This Alaska Airlines deal was found by Cheapflights users on 9/14. 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.
Tue 12/96:20 pmBOS - GEG
1 stop9h 04mAlaska Airlines
Tue 12/169:00 amGEG - BOS
1 stop11h 59mAlaska Airlines
Deal found 9/14$316
This Delta deal was found by Cheapflights users on 9/14. 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.
Wed 10/297:20 amBOS - GEG
1 stop10h 37mDelta
Sat 11/11:10 pmGEG - BOS
1 stop7h 38mDelta
Deal found 9/14$317
This Delta deal was found by Cheapflights users on 9/16. 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.
Tue 10/286:15 amBOS - BOI
1 stop10h 50mDelta
Tue 11/43:00 pmBOI - BOS
1 stop6h 59mDelta
Deal found 9/16$317
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Wed 10/156:00 amBOS - GEG
1 stop8h 42mUnited Airlines
Sat 10/185:05 amGEG - BOS
2 stops9h 46mUnited Airlines
Deal found 9/16$322
This American Airlines deal was found by Cheapflights users on 9/14. 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.
Tue 10/282:04 pmBOS - BOI
2 stops10h 18mAmerican Airlines
Tue 11/41:40 pmBOI - BOS
1 stop7h 44mAmerican Airlines
Deal found 9/14$322
This United Airlines deal was found by Cheapflights users on 9/14. 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 12/912:50 pmBOS - GEG
2 stops11h 09mUnited Airlines
Tue 12/165:00 amGEG - BOS
2 stops9h 15mUnited Airlines
Deal found 9/14$327
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Sat 10/186:00 amBOS - BOI
1 stop7h 39mUnited Airlines
Sat 10/187:05 pmBOI - BOS
1 stop9h 02mUnited Airlines
Deal found 9/14$332
This Delta deal was found by Cheapflights users on 9/15. 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.
Wed 12/35:45 amBOS - BOI
1 stop10h 32mDelta
Sat 12/61:54 pmBOI - BOS
1 stop7h 58mDelta
Deal found 9/15$334
This Delta deal was found by Cheapflights users on 9/15. 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.
Mon 10/276:55 pmBOS - GEG
1 stop8h 04mDelta
Mon 11/312:51 pmGEG - BOS
1 stop9h 22mDelta
Deal found 9/15$337
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Wed 10/227:30 amBOS - SUN
1 stop8h 03mUnited Airlines
Wed 10/292:43 pmSUN - BOS
1 stop6h 56mUnited Airlines
Deal found 9/13$341
This Orbitz deal was found by Cheapflights users on 9/15. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/248:25 pmBOS - GEG
1 stop19h 39mAlaska Airlines
Tue 10/288:45 amGEG - BOS
1 stop12h 35mAlaska Airlines
Deal found 9/15$347

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 September 16, 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

Thu 10/16

7:20 am-2:57 pm

1 stop10h 37m

Spokane

Sun 10/19

5:24 pm-6:35 am

1 stop10h 11m

$237

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Wed 10/15

7:20 am-2:57 pm

1 stop10h 37m

Spokane

Sat 10/18

5:45 am-5:12 pm

1 stop8h 27m

$237

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Wed 11/12

8:00 am-1:05 pm

1 stop8h 05m

Spokane

Wed 11/12

7:38 pm-6:35 am

1 stop7h 57m

$317

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Wed 10/29

5:40 am-11:41 am

1 stop9h 01m

Spokane

Sat 11/1

1:10 pm-11:48 pm

1 stop7h 38m

$317

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

5:25 am-4:22 pm

1 stop8h 57m

$317

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Wed 12/3

6:25 pm-12:10 am

1 stop7h 45m

Boise Air Term. Gowen Fld

Tue 12/9

3:12 pm-11:59 pm

1 stop6h 47m

$317

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Tue 12/9

3:16 pm-8:59 pm

1 stop8h 43m

Spokane

Tue 12/16

7:00 am-11:41 pm

2 stops13h 41m

$322

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-11:24 pm

1 stop7h 44m

$322

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Wed 10/15

6:00 am-11:42 am

1 stop8h 42m

Spokane

Sat 10/18

5:05 am-5:51 pm

2 stops9h 46m

$322

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Sat 10/18

6:00 am-11:39 am

1 stop7h 39m

Boise Air Term. Gowen Fld

Sat 10/18

7:05 pm-6:07 am

1 stop9h 02m

$332

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

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

How much does it cost to fly round-trip from New Hampshire to Idaho?

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 September 16, 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
10,000 reviews

Food

6.4

Comfort

7.2

Entertainment

6.9

Overall

7.2

Boarding

7.5

Crew

8.0

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
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Food

6.4

Comfort

7.2

Entertainment

6.9

Overall

7.2

Boarding

7.5

Crew

8.0

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 7h 17m. The distance from New Hampshire to Idaho is about 2000 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 $119. Hawaiian Airlines flights start at $158 while deals on Alaska Airlines start at $158 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 $398). 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$168Average$774FlexibilityNo cancel feeOn-time71%

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