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New Hampshire

$117+ 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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — MHT
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
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 September 11, 2025.

Round-trip from

$204
(Southwest)

One-way from

$117
(United Airlines)

Popular in

January

Cheapest in

April

Average price

$446
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 ($3 potential increase over avg. RT price).
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Cheapest flight prices on average. 0% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 11, 2025.

This Southwest deal was found by Cheapflights users on 9/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/285:25 amGEG - BOS
1 stop9h 05mSouthwest
Wed 11/122:10 pmBOS - GEG
2 stops10h 50mSouthwest
Deal found 9/9$204
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Sat 10/251:26 pmBOI - BOS
1 stop8h 28mAmerican Airlines
Sat 11/17:00 amBOS - BOI
1 stop7h 46mAmerican Airlines
Deal found 9/10$232
This Alaska Airlines deal was found by Cheapflights users on 9/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/288:45 amGEG - BOS
1 stop12h 35mAlaska Airlines
Wed 11/126:23 pmBOS - GEG
1 stop8h 59mAlaska Airlines
Deal found 9/9$232
This Delta deal was found by Cheapflights users on 9/11. 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.
Sat 10/251:00 pmBOI - BOS
1 stop8h 48mDelta
Wed 10/295:45 amBOS - BOI
1 stop10h 17mDelta
Deal found 9/11$233
This Delta deal was found by Cheapflights users on 9/11. 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.
Sat 10/185:05 amGEG - BOS
1 stop8h 17mDelta
Sat 11/13:24 pmBOS - GEG
1 stop7h 22mDelta
Deal found 9/11$233
This Delta deal was found by Cheapflights users on 9/9. 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.
Wed 10/225:25 amBOI - BOS
1 stop8h 57mDelta
Sat 10/255:45 amBOS - BOI
1 stop10h 17mDelta
Deal found 9/9$236
This Alaska Airlines deal was found by Cheapflights users on 9/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/227:37 pmGEG - BOS
1 stop7h 23mAlaska Airlines
Wed 11/54:24 pmBOS - GEG
1 stop10h 32mAlaska Airlines
Deal found 9/9$237
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/145:00 amBOI - BOS
2 stops9h 22mUnited Airlines
Mon 10/203:31 pmBOS - BOI
1 stop7h 53mUnited Airlines
Deal found 9/10$238
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/295:10 amGEG - BOS
1 stop7h 32mUnited Airlines
Wed 11/1210:25 amBOS - GEG
2 stops13h 20mUnited Airlines
Deal found 9/10$238
This Delta deal was found by Cheapflights users on 9/9. 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 10/1411:41 amBOI - BOS
1 stop10h 18mDelta
Tue 10/216:15 amBOS - BOI
1 stop10h 50mDelta
Deal found 9/9$239
This Southwest deal was found by Cheapflights users on 9/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/285:25 amGEG - BOS
1 stop9h 05mSouthwest
Mon 11/106:20 pmBOS - GEG
1 stop8h 35mSouthwest
Deal found 9/9$240
This United Airlines deal was found by Cheapflights users on 9/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/221:38 pmGEG - BOS
1 stop7h 06mUnited Airlines
Sat 11/19:40 amBOS - GEG
2 stops14h 05mUnited Airlines
Deal found 9/9$243

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 September 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

BoiseBoston

BOI - BOS

BOIBOS

Boise Air Term. Gowen Fld

Thu 10/16

10:45 am-8:01 pm

1 stop7h 16m

Boston Logan Intl

Mon 10/20

11:45 am-5:48 pm

1 stop8h 03m

$233

BoiseBoston

BOI - BOS

BOIBOS

Boise Air Term. Gowen Fld

Tue 10/28

7:45 am-7:27 pm

1 stop9h 42m

Boston Logan Intl

Thu 10/30

11:10 am-8:16 pm

1 stop11h 06m

$233

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

Sat 10/18

1:12 pm-11:54 pm

1 stop7h 42m

Boston Logan Intl

Sat 11/1

7:00 am-12:09 pm

1 stop8h 09m

$233

BoiseBoston

BOI - BOS

BOIBOS

Boise Air Term. Gowen Fld

Thu 10/30

11:41 am-11:59 pm

1 stop10h 18m

Boston Logan Intl

Sat 11/1

5:40 am-12:29 pm

1 stop8h 49m

$233

BoiseBoston

BOI - BOS

BOIBOS

Boise Air Term. Gowen Fld

Sat 10/25

2:39 pm-11:44 pm

1 stop7h 05m

Boston Logan Intl

Wed 10/29

6:00 am-1:44 pm

1 stop9h 44m

$233

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

Thu 10/30

11:20 am-11:59 pm

1 stop9h 39m

Boston Logan Intl

Sat 11/1

5:45 am-1:05 pm

1 stop10h 20m

$233

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

Wed 10/29

11:25 am-9:49 pm

1 stop7h 24m

Boston Logan Intl

Sat 11/8

7:25 am-12:45 pm

1 stop8h 20m

$233

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

Sat 10/18

5:24 pm-6:35 am

1 stop10h 11m

Boston Logan Intl

Sat 11/1

3:24 pm-7:46 pm

1 stop7h 22m

$233

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

Wed 10/29

1:10 pm-11:48 pm

1 stop7h 38m

Boston Logan Intl

Wed 11/12

5:40 am-12:11 pm

1 stop9h 31m

$233

BoiseBoston

BOI - BOS

BOIBOS

Boise Air Term. Gowen Fld

Sat 10/25

3:00 pm-11:40 pm

1 stop6h 40m

Boston Logan Intl

Wed 10/29

6:50 pm-11:59 pm

1 stop7h 09m

$236

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

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 September 11, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Idaho to New Hampshire as you normally would.

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 September 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
10,000 reviews

Crew

8.0

Boarding

7.5

Entertainment

6.9

Overall

7.2

Food

6.4

Comfort

7.2

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Crew

8.0

Boarding

7.5

Entertainment

6.9

Overall

7.2

Food

6.4

Comfort

7.2

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac

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 16m. 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 $117 on United Airlines. Other airlines that offer cheap prices include Delta from $117 and American Airlines from $117 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.

  • What is the cheapest month to book a flight from Idaho to New Hampshire?

    Currently, January is the cheapest month in which you can book a flight from Idaho to New Hampshire (average of $334). Flying from Idaho to New Hampshire in April is currently the most expensive (average of $397). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Idaho to New Hampshire

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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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$352Average$466FlexibilityNo cancel feeOn-time71%

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