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New Hampshire

$129+ Cheap flights from Idaho to New Hampshire

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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — MHT
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
1 adult, Economy
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Cheap flight deals from Idaho to New Hampshire

Cheapest flights from Idaho to New Hampshire
Explore the most affordable flight options available from Idaho to New Hampshire. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.

This United Airlines deal was found by Cheapflights users on 12/20. 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 12/315:05 amGEG - PWM
2 stops15h 17mUnited Airlines
Thu 1/86:00 amPWM - GEG
2 stops12h 21mUnited Airlines
Deal found 12/20$447
This American Airlines deal was found by Cheapflights users on 12/21. 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.
Mon 12/296:07 amGEG - BOS
1 stop14h 44mAmerican Airlines
Wed 1/149:45 amBOS - GEG
1 stop12h 04mAmerican Airlines
Deal found 12/21$512
This American Airlines deal was found by Cheapflights users on 12/20. 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 12/3112:46 pmGEG - BOS
1 stop7h 34mAmerican Airlines
Thu 1/84:52 pmBOS - GEG
1 stop9h 19mAmerican Airlines
Deal found 12/20$535
This United Airlines deal was found by Cheapflights users on 12/20. 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 12/315:05 amGEG - BOS
1 stop7h 29mUnited Airlines
Thu 1/86:00 amBOS - GEG
2 stops12h 21mUnited Airlines
Deal found 12/20$553
This United Airlines deal was found by Cheapflights users on 12/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/295:05 amGEG - BOS
2 stops10h 07mUnited Airlines
Wed 1/149:30 amBOS - GEG
2 stops12h 46mUnited Airlines
Deal found 12/21$588
This American Airlines deal was found by Cheapflights users on 12/22. 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.
Fri 12/267:32 amBOI - BOS
1 stop13h 51mAmerican Airlines
Mon 1/52:31 pmBOS - BOI
1 stop9h 34mAmerican Airlines
Deal found 12/22$615
This United Airlines deal was found by Cheapflights users on 12/22. 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.
Wed 12/242:40 pmBOI - BOS
2 stops24h 37mUnited Airlines
Fri 1/27:45 amBOS - BOI
1 stop30h 54mUnited Airlines
Deal found 12/22$660
This Delta deal was found by Cheapflights users on 12/20. 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 12/3112:02 pmGEG - PWM
1 stop7h 41mDelta
Thu 1/85:30 amPWM - GEG
1 stop9h 15mDelta
Deal found 12/20$663
This United Airlines deal was found by Cheapflights users on 12/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/286:55 pmBOI - BOS
1 stop11h 15mUnited Airlines
Thu 1/13:05 pmBOS - BOI
1 stop9h 35mUnited Airlines
Deal found 12/21$693
This Alaska Airlines deal was found by Cheapflights users on 12/21. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/288:21 pmBOI - BOS
1 stop7h 49mAlaska Airlines
Mon 1/56:00 amBOS - BOI
1 stop8h 42mAlaska Airlines
Deal found 12/21$697
This United Airlines deal was found by Cheapflights users on 12/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:35 amBOI - BOS
1 stop8h 35mUnited Airlines
Thu 1/15:20 amBOS - BOI
2 stops10h 16mUnited Airlines
Deal found 12/21$698
This United Airlines deal was found by Cheapflights users on 12/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2910:42 amBOI - BOS
2 stops11h 12mUnited Airlines
Thu 1/15:20 amBOS - BOI
2 stops14h 43mUnited Airlines
Deal found 12/21$703

Find flight deals from Idaho to New Hampshire

Keep the following information in mind while searching for Idaho to New Hampshire flight deals. Data was last updated December 23, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$256
(Alaska Airlines)

One-way from

$129
(American Airlines)

Popular in

January

Cheapest in

February

Average price

$344
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Boston Logan Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Boston Logan Intl flights.
Search Deals
From Idaho to New Hampshire
Search Deals
One-way flight from Idaho to New Hampshire
Search Deals
High demand for flights, 9% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho to New Hampshire 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 23, 2025.
Use the filters below to find and compare flights from Idaho to New Hampshire that are best for you.

Fly from

Idaho

Fly to

New Hampshire

Route

Depart

Return

Price

BoiseBoston

BOI - BOS

BOIBOS

Boise Air Term. Gowen Fld

Wed 1/21

12:37 pm-11:12 pm

1 stop8h 35m

Boston Logan Intl

Sun 1/25

6:00 am-1:08 pm

1 stop9h 08m

$257

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

Thu 1/15

6:30 am-7:10 pm

1 stop9h 40m

Boston Logan Intl

Tue 1/20

5:50 am-1:03 pm

1 stop10h 13m

$257

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

Thu 1/15

5:45 pm-5:32 am

1 stop8h 47m

Boston Logan Intl

Tue 1/20

8:45 am-6:49 pm

2 stops13h 04m

$288

JacksonBoston

JAC - BOS

JACBOS

Jackson Hole

Fri 2/6

2:40 pm-11:46 pm

1 stop7h 06m

Boston Logan Intl

Sun 2/8

6:00 am-12:56 pm

1 stop8h 56m

$297

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

Wed 2/25

12:00 pm-11:59 pm

1 stop8h 59m

Boston Logan Intl

Tue 3/3

9:02 am-5:03 pm

1 stop11h 01m

$316

HaileyPortland

SUN - PWM

SUNPWM

Hailey Sun Valley-Friedman

Tue 1/13

8:09 am-11:43 pm

2 stops13h 34m

Portland

Sat 1/17

6:00 am-8:17 pm

2 stops16h 17m

$319

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

Sat 2/7

5:20 am-4:09 pm

1 stop7h 49m

Boston Logan Intl

Mon 2/9

6:45 pm-11:59 pm

1 stop8h 14m

$325

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

Tue 3/17

1:40 pm-11:59 pm

1 stop7h 19m

Boston Logan Intl

Tue 3/24

7:10 am-2:45 pm

1 stop10h 35m

$325

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

Wed 2/25

5:00 am-3:59 pm

1 stop7h 59m

Boston Logan Intl

Tue 3/3

4:58 pm-12:04 am

2 stops10h 06m

$330

BoiseBoston

BOI - BOS

BOIBOS

Boise Air Term. Gowen Fld

Mon 2/2

5:40 am-3:20 pm

1 stop7h 40m

Boston Logan Intl

Thu 2/5

5:20 pm-11:58 pm

1 stop8h 38m

$336

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

Showing 1-10 of 60 results
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Best time to book a flight from Idaho to New Hampshire

Have a flexible travel schedule? Discover the best time to fly to New Hampshire from Idaho 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 Idaho to New Hampshire

What is the cheapest time of day to fly from ID to NH?

Find hourly flight availability from Idaho to New Hampshire. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 23, 2025.

A simple way to save on the total cost of your ticket is to fly from Idaho to New Hampshire in the evening. If you’re flexible enough to do this you can expect to save up to 42% on your trip compared to booking a flight in the afternoon.

Reviews of airlines servicing New Hampshire

Get insights into the airlines that provide service to New Hampshire. 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 New Hampshire. Reviews last updated December 23, 2025.
Read reviews from past customers who have flown American Airlines from Idaho to New Hampshire. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
11,054 reviews

Boarding

7.5

Food

6.4

Comfort

7.2

Entertainment

6.9

Crew

8.0

Overall

7.2

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

Boarding

7.5

Food

6.4

Comfort

7.2

Entertainment

6.9

Crew

8.0

Overall

7.2

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 Idaho to New Hampshire. 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 Idaho to New Hampshire?

    Departing from Idaho to New Hampshire will take you 7h 06m. Airlines will cover a distance of 1989 mi. This flight may include one or multiple stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Idaho to New Hampshire 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 Idaho to New Hampshire

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

Discover the top airline that operate flights from Idaho to New Hampshire. 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 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$352Average$518FlexibilityNo cancel feeOn-time71%

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