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New Hampshire

$112+ 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 2/26. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — MHT
Dec 11 — Dec 181
Thu 12/11
Thu 12/18
1 adult, Economy
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Cheap 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 November 11, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$311
(Alaska Airlines)

One-way from

$112
(Kiwi.com)

Popular in

January

Cheapest in

April

Average price

$470
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Boston Logan Intl flight deals.
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Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Boston Logan Intl flights.
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From Idaho to New Hampshire
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One-way flight from Idaho to New Hampshire
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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 ($6 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find 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 November 11, 2025.

This Alaska Airlines deal was found by Cheapflights users on 11/10. 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.
Mon 12/812:25 pmGEG - BOS
1 stop24h 12mAlaska Airlines
Mon 12/156:52 pmBOS - GEG
1 stop19h 53mAlaska Airlines
Deal found 11/10$342
This American Airlines deal was found by Cheapflights users on 11/8. 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 12/81:57 pmBOI - BOS
1 stop7h 43mAmerican Airlines
Mon 12/156:41 amBOS - BOI
1 stop12h 14mAmerican Airlines
Deal found 11/8$348
This Delta deal was found by Cheapflights users on 11/10. 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.
Thu 12/412:55 pmJAC - BOS
1 stop8h 46mDelta
Mon 12/86:10 amBOS - JAC
1 stop7h 50mDelta
Deal found 11/10$349
This United Airlines deal was found by Cheapflights users on 11/8. 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 12/82:49 pmBOI - BOS
1 stop6h 45mUnited Airlines
Mon 12/156:00 amBOS - BOI
1 stop8h 17mUnited Airlines
Deal found 11/8$359
This American Airlines deal was found by Cheapflights users on 11/8. 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 12/121:17 pmBOI - BOS
1 stop7h 43mAmerican Airlines
Tue 12/166:00 amBOS - BOI
1 stop9h 27mAmerican Airlines
Deal found 11/8$365
This American Airlines deal was found by Cheapflights users on 11/9. 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 12/121:14 pmGEG - BOS
1 stop17h 21mAmerican Airlines
Mon 12/154:52 pmBOS - GEG
1 stop9h 16mAmerican Airlines
Deal found 11/9$366
This Southwest deal was found by Cheapflights users on 11/8. 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.
Fri 12/125:00 amBOI - BOS
1 stop7h 45mSouthwest
Tue 12/167:45 amBOS - BOI
2 stops11h 05mSouthwest
Deal found 11/8$370
This Delta deal was found by Cheapflights users on 11/10. 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.
Thu 11/277:30 amSUN - BOS
1 stop6h 40mDelta
Wed 12/36:10 amBOS - SUN
1 stop10h 31mDelta
Deal found 11/10$381
This Delta deal was found by Cheapflights users on 11/9. 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.
Sun 12/77:35 pmGEG - PWM
2 stops13h 38mDelta
Sun 12/146:08 amPWM - GEG
1 stop8h 54mDelta
Deal found 11/9$383
This Southwest deal was found by Cheapflights users on 11/10. 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.
Mon 12/812:40 pmGEG - BOS
1 stop7h 05mSouthwest
Mon 12/1512:20 pmBOS - GEG
2 stops12h 40mSouthwest
Deal found 11/10$383
This Delta deal was found by Cheapflights users on 11/9. 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 12/2311:47 pmBOI - BOS
1 stop8h 22mDelta
Wed 12/318:00 amBOS - BOI
1 stop8h 18mDelta
Deal found 11/9$389
This Southwest deal was found by Cheapflights users on 11/8. 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.
Mon 12/811:45 amBOI - BOS
2 stops8h 30mSouthwest
Mon 12/155:00 pmBOS - BOI
1 stop8h 10mSouthwest
Deal found 11/8$390

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 November 11, 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

HaileyBoston

SUN - BOS

SUNBOS

Hailey Sun Valley-Friedman

Fri 2/27

11:52 am-11:59 pm

1 stop10h 07m

Boston Logan Intl

Tue 3/3

9:02 am-6:22 pm

1 stop11h 20m

$311

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

Tue 1/27

12:10 pm-11:54 pm

1 stop8h 44m

Boston Logan Intl

Wed 2/4

7:00 am-12:44 pm

1 stop8h 44m

$316

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

Tue 3/17

8:10 am-11:59 pm

1 stop12h 49m

Boston Logan Intl

Tue 3/24

7:00 am-12:44 pm

1 stop8h 44m

$316

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

Sat 1/31

12:10 pm-11:54 pm

1 stop8h 44m

Boston Logan Intl

Tue 2/3

7:00 am-3:03 pm

1 stop11h 03m

$316

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

Tue 1/27

12:10 pm-11:54 pm

1 stop8h 44m

Boston Logan Intl

Sat 1/31

7:00 am-3:03 pm

1 stop11h 03m

$316

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

Tue 1/27

1:38 pm-11:54 pm

1 stop7h 16m

Boston Logan Intl

Tue 2/3

7:00 am-3:03 pm

1 stop11h 03m

$316

BoiseBoston

BOI - BOS

BOIBOS

Boise Air Term. Gowen Fld

Tue 3/10

7:00 am-6:09 pm

1 stop9h 09m

Boston Logan Intl

Wed 3/11

7:00 am-1:45 pm

1 stop8h 45m

$318

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

Thu 1/29

5:00 am-3:20 pm

1 stop7h 20m

Boston Logan Intl

Wed 2/4

6:44 pm-12:23 am

1 stop8h 39m

$336

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

Sat 2/7

12:10 pm-11:54 pm

1 stop8h 44m

Boston Logan Intl

Mon 2/9

4:20 pm-2:06 pm

1 stop24h 46m

$336

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

Wed 1/28

12:10 pm-11:54 pm

1 stop8h 44m

Boston Logan Intl

Mon 2/2

5:20 pm-10:52 pm

1 stop8h 32m

$336

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/7

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 November 11, 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 39% 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 November 11, 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
11,045 reviews

Overall

7.2

Crew

8.0

Entertainment

6.9

Comfort

7.2

Food

6.4

Boarding

7.5

Reviews

1 / 20
8.0
Excellent

Monica,Nov 2025

JAC - DFW

At least there was an option of entertainment on this flight.
American Airlines
7.2
Good
11,045 reviews
American Airlines
7.2
Good
11,045 reviews

Overall

7.2

Crew

8.0

Entertainment

6.9

Comfort

7.2

Food

6.4

Boarding

7.5

Reviews

1 / 20
8.0
Excellent

Monica,Nov 2025

JAC - DFW

At least there was an option of entertainment on this flight.

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 9h 42m. Airlines will cover a distance of 2257 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Idaho to New Hampshire one-way?

    One-way options have recently been found by users for as low as $112 on Frontier. Other airlines that offer cheap prices include Alaska Airlines from $158 and American Airlines from $159 one-way.

  • 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 November 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$352Average$518FlexibilityNo cancel feeOn-time71%

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