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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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
MHT — BOI
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap 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 December 18, 2025.

This United Airlines deal was found by Cheapflights users on 12/16. 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 12/313:15 pmBOS - GEG
1 stop8h 43mUnited Airlines
Tue 1/61:48 pmGEG - BOS
1 stop6h 58mUnited Airlines
Deal found 12/16$477
This United Airlines deal was found by Cheapflights users on 12/17. 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 12/205:20 amBOS - JAC
1 stop8h 20mUnited Airlines
Sat 12/276:06 pmJAC - BOS
1 stop9h 52mUnited Airlines
Deal found 12/17$544
This American Airlines deal was found by Cheapflights users on 12/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:48 pmBOS - GEG
1 stop10h 40mAmerican Airlines
Tue 1/68:30 amGEG - BOS
1 stop9h 15mAmerican Airlines
Deal found 12/16$545
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Thu 12/186:45 amBOS - JAC
1 stop8h 17mUnited Airlines
Thu 12/2510:37 amJAC - BOS
2 stops9h 07mUnited Airlines
Deal found 12/17$549
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Thu 12/256:45 amBOS - JAC
1 stop8h 17mUnited Airlines
Mon 12/297:00 amJAC - BOS
2 stops13h 48mUnited Airlines
Deal found 12/17$574
This American Airlines deal was found by Cheapflights users on 12/17. 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.
Mon 12/226:36 amBOS - SUN
1 stop8h 00mAmerican Airlines
Sat 12/271:09 pmSUN - BOS
1 stop9h 11mAmerican Airlines
Deal found 12/17$585
This American Airlines deal was found by Cheapflights users on 12/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1910:02 amBOS - GEG
1 stop14h 41mAmerican Airlines
Sat 12/206:47 amGEG - BOS
1 stop14h 33mAmerican Airlines
Deal found 12/16$598
This Delta deal was found by Cheapflights users on 12/17. 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.
Sat 12/205:40 amBOS - JAC
1 stop9h 41mDelta
Sat 12/277:00 amJAC - BOS
2 stops12h 08mDelta
Deal found 12/17$609
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Sat 12/201:40 pmBOS - JAC
1 stop9h 10mUnited Airlines
Mon 12/2212:35 pmJAC - BOS
2 stops9h 19mUnited Airlines
Deal found 12/16$614
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Thu 12/256:01 amBOS - SUN
1 stop8h 11mUnited Airlines
Sat 12/272:11 pmSUN - BOS
1 stop8h 42mUnited Airlines
Deal found 12/16$618
This American Airlines deal was found by Cheapflights users on 12/17. 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.
Fri 12/262:32 pmBOS - GEG
1 stop9h 06mAmerican Airlines
Wed 1/76:02 amGEG - BOS
1 stop11h 30mAmerican Airlines
Deal found 12/17$628
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Sun 12/216:01 amBOS - JAC
1 stop7h 33mUnited Airlines
Wed 1/74:29 pmJAC - BOS
2 stops16h 23mUnited Airlines
Deal found 12/16$648

Find 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 December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$237
(American Airlines)

One-way from

$119
(United Airlines)

Popular in

December

Cheapest in

January

Average price

$667
Provider with most accurate pricing for Boston Logan Intl-Boise Air Term. Gowen Fld flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Boise Air Term. Gowen Fld flights.
Search Deals
From New Hampshire to Idaho
Search Deals
One-way flight from New Hampshire to Idaho
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($21 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 18, 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

BostonHailey

BOS - SUN

BOSSUN

Boston Logan Intl

Thu 1/15

6:00 am-12:02 pm

1 stop8h 02m

Hailey Sun Valley-Friedman

Thu 1/22

12:43 pm-9:38 pm

1 stop6h 55m

$237

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Mon 1/26

4:20 pm-2:06 pm

1 stop24h 46m

Spokane

Fri 1/30

5:00 am-3:20 pm

1 stop7h 20m

$256

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Wed 1/21

5:20 pm-10:52 pm

1 stop8h 32m

Spokane

Sun 1/25

5:00 am-3:20 pm

1 stop7h 20m

$256

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Fri 1/9

6:00 am-2:08 pm

1 stop10h 08m

Boise Air Term. Gowen Fld

Sun 1/11

5:54 pm-5:32 am

1 stop9h 38m

$257

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Sat 1/17

6:00 am-12:39 pm

1 stop8h 39m

Boise Air Term. Gowen Fld

Wed 1/21

6:10 am-3:37 pm

1 stop7h 27m

$257

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Wed 1/21

6:00 am-12:46 pm

2 stops9h 46m

Spokane

Sun 1/25

6:53 am-9:42 pm

1 stop11h 49m

$262

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Mon 1/12

12:45 pm-9:52 pm

2 stops11h 07m

Boise Air Term. Gowen Fld

Thu 1/15

2:37 pm-11:46 pm

1 stop7h 09m

$262

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Sun 1/18

12:08 pm-9:22 pm

2 stops12h 14m

Spokane

Wed 1/21

5:00 am-6:32 pm

2 stops10h 32m

$267

BostonJackson

BOS - JAC

BOSJAC

Boston Logan Intl

Sun 1/11

6:10 am-11:58 am

1 stop7h 48m

Jackson Hole

Sat 1/17

12:58 pm-11:56 pm

1 stop8h 58m

$297

BostonJackson

BOS - JAC

BOSJAC

Boston Logan Intl

Sat 1/17

7:05 am-2:42 pm

1 stop9h 37m

Jackson Hole

Sat 1/24

1:42 pm-11:44 pm

1 stop8h 02m

$297

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

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 December 18, 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
11,054 reviews

Comfort

7.2

Boarding

7.5

Food

6.5

Overall

7.2

Entertainment

6.9

Crew

8.0

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit
American Airlines
7.2
Good
11,054 reviews
American Airlines
7.2
Good
11,054 reviews

Comfort

7.2

Boarding

7.5

Food

6.5

Overall

7.2

Entertainment

6.9

Crew

8.0

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit

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 02m. The distance from New Hampshire to Idaho is about 2165 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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

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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$168Average$774FlexibilityNo cancel feeOn-time71%

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