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New Hampshire

$142+ 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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — MHT
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
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 July 3, 2025.

Round-trip from

$285
(Alaska Airlines)

One-way from

$142
(Hawaiian Airlines)

Popular in

July

Cheapest in

April

Average price

$515
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. 5% potential increase in price ($25 potential increase over avg. RT price).
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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 July 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 July 3, 2025.

This Delta deal was found by Cheapflights users on 7/1. 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 10/157:30 pmBOI - BOS
1 stop9h 04mDelta
Tue 10/215:40 amBOS - BOI
1 stop10h 25mDelta
Deal found 7/1$285
This Delta deal was found by Cheapflights users on 7/1. 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 8/127:05 pmGEG - BOS
1 stop8h 20mDelta
Tue 8/197:25 amBOS - GEG
1 stop8h 16mDelta
Deal found 7/1$289
This American Airlines deal was found by Cheapflights users on 7/1. 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 10/151:27 pmBOI - BOS
1 stop7h 35mAmerican Airlines
Tue 10/2112:51 pmBOS - BOI
2 stops11h 24mAmerican Airlines
Deal found 7/1$290
This American Airlines deal was found by Cheapflights users on 7/1. 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 9/171:30 pmGEG - BOS
1 stop7h 23mAmerican Airlines
Tue 9/236:00 amBOS - GEG
2 stops9h 44mAmerican Airlines
Deal found 7/1$294
This Alaska Airlines deal was found by Cheapflights users on 7/1. 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 9/179:25 amGEG - BOS
1 stop12h 02mAlaska Airlines
Mon 9/226:00 amBOS - GEG
1 stop8h 44mAlaska Airlines
Deal found 7/1$302
This Alaska Airlines deal was found by Cheapflights users on 7/1. 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 9/297:17 pmBOI - BOS
1 stop10h 43mAlaska Airlines
Tue 10/79:20 amBOS - BOI
1 stop10h 50mAlaska Airlines
Deal found 7/1$313
This American Airlines deal was found by Cheapflights users on 7/1. 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 9/177:39 amJAC - PWM
1 stop8h 06mAmerican Airlines
Fri 9/268:02 amPWM - JAC
2 stops13h 04mAmerican Airlines
Deal found 7/1$314
This Alaska Airlines deal was found by Cheapflights users on 7/3. 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 9/2412:39 pmJAC - BOS
1 stop9h 48mAlaska Airlines
Mon 9/296:55 pmBOS - JAC
1 stop19h 04mAlaska Airlines
Deal found 7/3$316
This American Airlines deal was found by Cheapflights users on 7/3. 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 9/47:39 amJAC - BOS
1 stop10h 25mAmerican Airlines
Wed 9/1012:40 pmBOS - JAC
1 stop10h 04mAmerican Airlines
Deal found 7/3$317
This Southwest deal was found by Cheapflights users on 7/2. 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.
Wed 10/291:00 pmGEG - BOS
1 stop7h 25mSouthwest
Tue 11/115:00 pmBOS - GEG
1 stop8h 25mSouthwest
Deal found 7/2$317
This Delta deal was found by Cheapflights users on 7/1. 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 9/247:30 amJAC - BOS
1 stop7h 00mDelta
Mon 9/299:59 amBOS - JAC
2 stops11h 50mDelta
Deal found 7/1$322
This United Airlines deal was found by Cheapflights users on 7/2. 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
2 stops10h 38mUnited Airlines
Tue 11/115:30 amBOS - GEG
2 stops10h 15mUnited Airlines
Deal found 7/2$327

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 July 3, 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

Sat 9/27

2:28 pm-12:27 am

1 stop7h 59m

Boston Logan Intl

Sat 10/4

7:20 am-2:35 pm

1 stop9h 15m

$285

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

Tue 8/12

7:05 pm-6:25 am

1 stop8h 20m

Boston Logan Intl

Tue 8/19

7:25 am-12:41 pm

1 stop8h 16m

$289

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

Wed 9/17

1:30 pm-11:53 pm

1 stop7h 23m

Boston Logan Intl

Tue 9/23

6:00 am-12:44 pm

2 stops9h 44m

$294

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

Wed 9/17

9:25 am-12:27 am

1 stop12h 02m

Boston Logan Intl

Mon 9/22

6:00 am-11:44 am

1 stop8h 44m

$302

JacksonPortland

JAC - PWM

JACPWM

Jackson Hole

Wed 9/17

7:39 am-5:45 pm

1 stop8h 06m

Portland

Fri 9/26

8:02 am-7:06 pm

2 stops13h 04m

$314

JacksonBoston

JAC - BOS

JACBOS

Jackson Hole

Wed 9/24

12:39 pm-12:27 am

1 stop9h 48m

Boston Logan Intl

Mon 9/29

6:55 pm-11:59 am

1 stop19h 04m

$316

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

Wed 10/29

1:00 pm-11:25 pm

1 stop7h 25m

Boston Logan Intl

Tue 11/11

5:00 pm-10:25 pm

1 stop8h 25m

$317

JacksonBoston

JAC - BOS

JACBOS

Jackson Hole

Thu 9/4

7:39 am-8:04 pm

1 stop10h 25m

Boston Logan Intl

Wed 9/10

8:00 am-4:09 pm

1 stop10h 09m

$317

JacksonBoston

JAC - BOS

JACBOS

Jackson Hole

Wed 9/24

7:30 am-4:30 pm

1 stop7h 00m

Boston Logan Intl

Thu 10/2

9:59 am-7:49 pm

2 stops11h 50m

$322

BoiseBoston

BOI - BOS

BOIBOS

Boise Air Term. Gowen Fld

Sat 9/27

5:45 am-4:22 pm

1 stop8h 37m

Boston Logan Intl

Sat 10/4

7:25 am-3:40 pm

1 stop10h 15m

$323

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

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 July 3, 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 July 3, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,266 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,982 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,545 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,861 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

  • 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 $142 on Hawaiian Airlines. Other airlines that offer cheap prices include American Airlines from $143 and Delta from $145 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 $396). 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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