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New Hampshire

$100+ 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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — MHT
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
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 junio 12, 2025.

Round-trip from

$199
(Delta)

One-way from

$100
(Delta)

Popular in

July

Cheapest in

April

Average price

$506
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. 7% potential increase in price ($34 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 June 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 junio 12, 2025.

This Delta deal was found by Cheapflights users on 6/10. 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.
mié. 8/135:30 pmGEG - BOS
1 stop10h 00mDelta
jue. 8/217:25 amBOS - GEG
1 stop8h 16mDelta
Deal found 6/10$199
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/2212:35 pmGEG - BOS
1 stop8h 07mAmerican Airlines
lun. 9/296:00 amBOS - GEG
2 stops9h 44mAmerican Airlines
Deal found 6/11$204
This United Airlines deal was found by Cheapflights users on 6/10. 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.
lun. 8/116:25 pmGEG - BOS
1 stop8h 36mUnited Airlines
mar. 8/196:10 amBOS - GEG
1 stop8h 17mUnited Airlines
Deal found 6/10$261
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/94:47 pmGEG - BOS
1 stop10h 23mAlaska Airlines
vie. 8/297:45 amBOS - GEG
1 stop18h 07mAlaska Airlines
Deal found 6/11$268
This Delta deal was found by Cheapflights users on 6/11. 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.
sáb. 8/912:05 pmBOI - BOS
1 stop9h 52mDelta
mar. 8/127:10 amBOS - BOI
1 stop8h 49mDelta
Deal found 6/11$285
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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.
lun. 9/294:00 pmBOI - BOS
1 stop12h 00mAlaska Airlines
mar. 10/77:20 amBOS - BOI
1 stop10h 25mAlaska Airlines
Deal found 6/10$290
This American Airlines deal was found by Cheapflights users on 6/12. 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.
jue. 8/281:07 pmBOI - BOS
1 stop8h 52mAmerican Airlines
mar. 9/26:15 amBOS - BOI
1 stop9h 05mAmerican Airlines
Deal found 6/12$291
This American Airlines deal was found by Cheapflights users on 6/10. 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.
jue. 9/111:12 pmBOI - PWM
1 stop8h 57mAmerican Airlines
lun. 9/156:00 amPWM - BOI
1 stop8h 32mAmerican Airlines
Deal found 6/10$297
This American Airlines deal was found by Cheapflights users on 6/12. 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.
jue. 9/181:30 pmGEG - PWM
1 stop7h 39mAmerican Airlines
mar. 9/236:00 amPWM - GEG
1 stop9h 44mAmerican Airlines
Deal found 6/12$297
This Delta deal was found by Cheapflights users on 6/11. 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.
lun. 10/67:21 pmGEG - PWM
2 stops12h 38mDelta
mié. 11/125:40 amPWM - GEG
1 stop8h 56mDelta
Deal found 6/11$302
This Southwest deal was found by Cheapflights users on 6/10. 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.
sáb. 12/65:00 amBOI - BOS
1 stop8h 50mSouthwest
jue. 12/116:45 amBOS - BOI
1 stop10h 20mSouthwest
Deal found 6/10$306
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/207:16 amJAC - PWM
1 stop8h 30mAmerican Airlines
lun. 8/256:00 amPWM - JAC
2 stops11h 26mAmerican Airlines
Deal found 6/11$314

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 junio 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

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

mié. 8/13

5:30 pm-6:30 am

1 stop10h 00m

Boston Logan Intl

jue. 8/21

7:25 am-12:41 pm

1 stop8h 16m

$199

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

lun. 9/22

12:35 pm-11:42 pm

1 stop8h 07m

Boston Logan Intl

lun. 9/29

6:00 am-12:44 pm

2 stops9h 44m

$204

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

lun. 8/11

6:25 pm-6:01 am

1 stop8h 36m

Boston Logan Intl

mar. 8/19

6:10 am-11:27 am

1 stop8h 17m

$261

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

mié. 7/9

4:47 pm-6:10 am

1 stop10h 23m

Boston Logan Intl

vie. 8/29

7:45 am-10:52 pm

1 stop18h 07m

$268

BoiseBoston

BOI - BOS

BOIBOS

Boise Air Term. Gowen Fld

sáb. 8/9

12:05 pm-11:57 pm

1 stop9h 52m

Boston Logan Intl

mar. 8/12

8:10 am-1:59 pm

1 stop7h 49m

$285

BoiseBoston

BOI - BOS

BOIBOS

Boise Air Term. Gowen Fld

lun. 9/29

4:00 pm-6:00 am

1 stop12h 00m

Boston Logan Intl

mar. 10/7

7:20 am-3:45 pm

1 stop10h 25m

$290

BoiseBoston

BOI - BOS

BOIBOS

Boise Air Term. Gowen Fld

jue. 8/28

1:07 pm-11:59 pm

1 stop8h 52m

Boston Logan Intl

mar. 9/2

6:15 am-1:20 pm

1 stop9h 05m

$291

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

jue. 9/11

1:12 pm-12:09 am

1 stop8h 57m

Portland

lun. 9/15

6:00 am-12:32 pm

1 stop8h 32m

$297

SpokanePortland

GEG - PWM

GEGPWM

Spokane

jue. 9/18

1:30 pm-12:09 am

1 stop7h 39m

Portland

mar. 9/23

6:00 am-12:44 pm

1 stop9h 44m

$297

SpokanePortland

GEG - PWM

GEGPWM

Spokane

lun. 10/6

7:21 pm-10:59 am

2 stops12h 38m

Portland

mié. 11/12

5:40 am-11:36 am

1 stop8h 56m

$302

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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 junio 12, 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 junio 12, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta from Idaho to New Hampshire to help guide your decision. 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

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

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

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

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
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

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
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

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
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

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
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

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 $100 on Delta. Other airlines that offer cheap prices include Alaska Airlines from $105 and United Airlines from $120 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 July is currently the most expensive (average of $399). 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

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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$415Average$692FlexibilityNo cancel feeOn-time71%

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