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 1/7. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — MHT
Jan 11 — Jan 181
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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 12, 2025.

This United Airlines deal was found by Cheapflights users on 12/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2412:35 pmJAC - BOS
1 stop7h 09mUnited Airlines
Wed 12/311:40 pmBOS - JAC
1 stop8h 22mUnited Airlines
Deal found 12/10$328
This American Airlines deal was found by Cheapflights users on 12/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:30 amGEG - BOS
1 stop10h 40mAmerican Airlines
Thu 1/16:40 amBOS - GEG
1 stop9h 56mAmerican Airlines
Deal found 12/10$348
This United Airlines deal was found by Cheapflights users on 12/11. 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.
Fri 12/262:30 pmJAC - BOS
1 stop7h 03mUnited Airlines
Tue 12/301:40 pmBOS - JAC
1 stop8h 22mUnited Airlines
Deal found 12/11$390
This United Airlines deal was found by Cheapflights users on 12/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/255:05 amGEG - BOS
2 stops10h 43mUnited Airlines
Thu 1/15:20 amBOS - GEG
2 stops10h 25mUnited Airlines
Deal found 12/10$409
This United Airlines deal was found by Cheapflights users on 12/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/257:00 amJAC - BOS
3 stops14h 54mUnited Airlines
Wed 12/316:45 amBOS - JAC
1 stop8h 17mUnited Airlines
Deal found 12/10$428
This American Airlines deal was found by Cheapflights users on 12/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/257:40 amBOI - BOS
2 stops8h 52mAmerican Airlines
Sat 1/35:30 amBOS - BOI
1 stop9h 17mAmerican Airlines
Deal found 12/10$445
This United Airlines deal was found by Cheapflights users on 12/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/172:49 pmJAC - BOS
1 stop6h 45mUnited Airlines
Sun 12/211:25 pmBOS - JAC
1 stop8h 37mUnited Airlines
Deal found 12/10$479
This United Airlines deal was found by Cheapflights users on 12/11. 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.
Fri 12/268:08 amSUN - BOS
2 stops11h 47mUnited Airlines
Tue 12/306:01 amBOS - SUN
1 stop8h 11mUnited Airlines
Deal found 12/11$489
This United Airlines deal was found by Cheapflights users on 12/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/232:07 pmJAC - BOS
1 stop6h 41mUnited Airlines
Tue 12/301:40 pmBOS - JAC
1 stop8h 22mUnited Airlines
Deal found 12/10$509
This Delta deal was found by Cheapflights users on 12/10. 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.
Wed 12/241:00 pmBOI - BOS
1 stop9h 24mDelta
Sat 1/38:00 amBOS - BOI
1 stop8h 18mDelta
Deal found 12/10$510
This Alaska Airlines deal was found by Cheapflights users on 12/10. 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.
Wed 12/248:21 pmBOI - BOS
1 stop7h 49mAlaska Airlines
Sun 1/46:30 amBOS - BOI
1 stop19h 29mAlaska Airlines
Deal found 12/10$526
This Delta deal was found by Cheapflights users on 12/11. 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 12/261:00 pmBOI - BOS
1 stop9h 24mDelta
Sat 1/36:10 amBOS - BOI
1 stop7h 52mDelta
Deal found 12/11$558

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 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$237
(American Airlines)

One-way from

$129
(Delta)

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.
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Boston Logan Intl flights.
From Idaho to New Hampshire
One-way flight from Idaho to New Hampshire
High demand for flights, 8% potential price rise
Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).
Average for round-trip flights in December 2025

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 12, 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

Wed 1/7

1:16 pm-11:44 pm

1 stop8h 28m

Boston Logan Intl

Mon 1/12

6:40 am-12:46 pm

1 stop8h 06m

$237

HaileyBoston

SUN - BOS

SUNBOS

Hailey Sun Valley-Friedman

Wed 1/7

7:00 am-6:32 pm

2 stops9h 32m

Boston Logan Intl

Mon 1/12

6:00 am-12:02 pm

1 stop8h 02m

$242

BoiseBoston

BOI - BOS

BOIBOS

Boise Air Term. Gowen Fld

Wed 1/28

6:23 am-4:20 pm

1 stop7h 57m

Boston Logan Intl

Fri 1/30

5:20 pm-11:58 pm

1 stop8h 38m

$256

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

Tue 1/20

7:28 pm-3:20 pm

1 stop16h 52m

Boston Logan Intl

Fri 1/30

4:20 pm-2:06 pm

1 stop24h 46m

$256

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

Thu 1/15

7:00 am-9:23 pm

1 stop11h 23m

Boston Logan Intl

Tue 1/20

5:20 pm-11:59 pm

1 stop9h 39m

$257

BoiseBoston

BOI - BOS

BOIBOS

Boise Air Term. Gowen Fld

Fri 1/9

8:15 am-5:19 pm

1 stop7h 04m

Boston Logan Intl

Mon 1/12

11:17 am-7:45 pm

1 stop10h 28m

$257

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

Sat 1/24

6:33 am-8:32 pm

1 stop10h 59m

Boston Logan Intl

Sat 1/31

6:00 am-2:09 pm

1 stop11h 09m

$257

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

Tue 1/13

1:48 pm-11:46 pm

1 stop6h 58m

Boston Logan Intl

Mon 1/19

6:00 am-11:39 am

1 stop8h 39m

$257

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

Thu 1/15

1:48 pm-11:46 pm

1 stop6h 58m

Boston Logan Intl

Wed 1/21

7:25 am-3:21 pm

1 stop10h 56m

$257

BoiseBoston

BOI - BOS

BOIBOS

Boise Air Term. Gowen Fld

Wed 1/7

1:58 pm-11:30 pm

1 stop7h 32m

Boston Logan Intl

Tue 1/13

9:30 am-7:25 pm

2 stops11h 55m

$262

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

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 12, 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 12, 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.

Overall

7.2

Boarding

7.5

Comfort

7.2

Entertainment

6.9

Food

6.5

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

Overall

7.2

Boarding

7.5

Comfort

7.2

Entertainment

6.9

Food

6.5

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 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 57m. Airlines will cover a distance of 2257 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.

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 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$352Average$518FlexibilityNo cancel feeOn-time71%

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