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New Hampshire

$114+ 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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — MHT
Dec 20 — Dec 271
Sat 12/20
Sat 12/27
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 20, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$251
(Delta)

One-way from

$114
(Kiwi.com)

Popular in

January

Cheapest in

April

Average price

$422
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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Highest demand for flights based on searches. 0% potential increase in price ($2 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($8 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 20, 2025.

This United Airlines deal was found by Cheapflights users on 11/20. 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.
Sat 12/137:00 amGEG - BOS
1 stop11h 43mUnited Airlines
Tue 1/133:15 pmBOS - GEG
1 stop9h 07mUnited Airlines
Deal found 11/20$276
This Delta deal was found by Cheapflights users on 11/20. 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.
Tue 12/97:17 pmGEG - BOS
1 stop8h 03mDelta
Mon 12/155:40 amBOS - GEG
1 stop9h 22mDelta
Deal found 11/20$324
This Delta deal was found by Cheapflights users on 11/18. 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 12/312:55 pmJAC - BOS
1 stop8h 46mDelta
Sun 12/76:10 amBOS - JAC
1 stop7h 50mDelta
Deal found 11/18$329
This Southwest deal was found by Cheapflights users on 11/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/137:00 amGEG - BOS
2 stops10h 50mSouthwest
Tue 1/131:20 pmBOS - GEG
2 stops11h 25mSouthwest
Deal found 11/20$336
This Delta deal was found by Cheapflights users on 11/18. 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 12/35:50 amBOI - BOS
1 stop8h 23mDelta
Sat 12/67:15 amBOS - BOI
1 stop10h 47mDelta
Deal found 11/18$341
This American Airlines deal was found by Cheapflights users on 11/18. 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 12/191:30 pmJAC - BOS
1 stop8h 21mAmerican Airlines
Thu 1/16:36 amBOS - JAC
1 stop7h 37mAmerican Airlines
Deal found 11/18$349
This Delta deal was found by Cheapflights users on 11/19. 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 12/212:55 pmJAC - BOS
1 stop8h 46mDelta
Mon 12/1511:25 amBOS - JAC
2 stops12h 04mDelta
Deal found 11/19$353
This Delta deal was found by Cheapflights users on 11/18. 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.
Fri 12/197:00 amJAC - BOS
2 stops11h 04mDelta
Thu 1/16:10 amBOS - JAC
1 stop7h 45mDelta
Deal found 11/18$354
This Delta deal was found by Cheapflights users on 11/20. 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.
Fri 12/121:15 pmGEG - BOS
1 stop7h 26mDelta
Mon 12/156:10 amBOS - GEG
1 stop9h 00mDelta
Deal found 11/20$359
This American Airlines deal was found by Cheapflights users on 11/19. 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 12/95:17 amGEG - BOS
2 stops10h 38mAmerican Airlines
Mon 12/154:52 pmBOS - GEG
1 stop9h 16mAmerican Airlines
Deal found 11/19$369
This Delta deal was found by Cheapflights users on 11/19. 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.
Fri 12/122:04 pmBOI - BOS
1 stop7h 20mDelta
Mon 12/155:45 amBOS - BOI
1 stop10h 33mDelta
Deal found 11/19$378
This Delta deal was found by Cheapflights users on 11/18. 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 12/1112:55 pmJAC - BOS
1 stop8h 46mDelta
Sun 12/1411:25 amBOS - JAC
2 stops12h 04mDelta
Deal found 11/18$383

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 20, 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

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

Sat 2/7

6:30 am-7:23 pm

1 stop9h 53m

Boston Logan Intl

Mon 2/9

12:45 pm-9:20 pm

1 stop11h 35m

$251

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

Sat 12/13

1:14 pm-11:40 pm

1 stop7h 26m

Boston Logan Intl

Tue 1/13

9:51 am-6:49 pm

2 stops11h 58m

$281

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

Thu 1/15

3:02 pm-5:32 am

1 stop11h 30m

Boston Logan Intl

Tue 1/20

12:11 pm-6:49 pm

1 stop9h 38m

$286

JacksonBoston

JAC - BOS

JACBOS

Jackson Hole

Wed 2/4

12:58 pm-11:56 pm

1 stop8h 58m

Boston Logan Intl

Sat 2/7

12:30 pm-7:06 pm

1 stop8h 36m

$297

SpokanePortland

GEG - PWM

GEGPWM

Spokane

Thu 1/8

5:05 am-12:20 am

2 stops16h 15m

Portland

Mon 1/12

2:35 pm-12:08 am

2 stops12h 33m

$300

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

Sat 12/13

5:00 am-6:48 pm

2 stops10h 48m

Boston Logan Intl

Tue 1/13

12:45 pm-9:22 pm

2 stops11h 37m

$316

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

Sun 2/1

11:25 am-4:09 pm

1 stop25h 44m

Boston Logan Intl

Thu 2/5

6:45 pm-11:59 pm

1 stop8h 14m

$316

JacksonBoston

JAC - BOS

JACBOS

Jackson Hole

Wed 12/3

12:55 pm-11:41 pm

1 stop8h 46m

Boston Logan Intl

Sun 12/7

6:10 am-12:00 pm

1 stop7h 50m

$329

BoiseBoston

BOI - BOS

BOIBOS

Boise Air Term. Gowen Fld

Sat 1/17

6:50 am-7:25 pm

2 stops10h 35m

Boston Logan Intl

Tue 1/27

6:25 am-3:20 pm

2 stops10h 55m

$335

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

Tue 3/17

1:23 pm-11:59 pm

1 stop7h 36m

Boston Logan Intl

Tue 3/24

7:00 am-2:43 pm

1 stop10h 43m

$342

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/18

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 20, 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 20, 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
11,047 reviews

Food

6.4

Comfort

7.2

Entertainment

6.9

Boarding

7.5

Overall

7.2

Crew

8.0

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
11,047 reviews
American Airlines
7.2
Good
11,047 reviews

Food

6.4

Comfort

7.2

Entertainment

6.9

Boarding

7.5

Overall

7.2

Crew

8.0

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 7h 26m. Airlines will cover a distance of 2266 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 $114 on Frontier. Other airlines that offer cheap prices include United Airlines from $125 and American Airlines from $127 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 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$352Average$518FlexibilityNo cancel feeOn-time71%

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