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Idaho

$148+ Cheap flights from New Hampshire to Idaho

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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
MHT — BOI
Aug 7 — Aug 141
Thu 8/7
Thu 8/14
1 adult, Economy
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Cheap flight deals from New Hampshire to Idaho

Keep the following information in mind while searching for New Hampshire to Idaho flight deals. Data was last updated August 2, 2025.

Round-trip from

$292
(Delta)

One-way from

$148
(Hawaiian Airlines)

Popular in

December

Cheapest in

January

Average price

$463
From New Hampshire to Idaho
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One-way flight from New Hampshire to Idaho
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High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from New Hampshire to Idaho

Cheapest flights from New Hampshire to Idaho
Explore the most affordable flight options available from New Hampshire to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 2, 2025.

This Delta deal was found by Cheapflights users on 7/31. 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.
Mon 9/15:15 amBOS - WYS
2 stops11h 35mDelta
Sat 9/63:25 pmWYS - BOS
1 stop6h 33mDelta
Deal found 7/31$292
This Hawaiian Airlines deal was found by Cheapflights users on 7/31. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/67:20 amBOS - BOI
1 stop10h 34mHawaiian Airlines
Sat 9/132:28 pmBOI - BOS
1 stop7h 59mHawaiian Airlines
Deal found 7/31$294
This Delta deal was found by Cheapflights users on 8/1. 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 9/177:05 amBOS - BOI
1 stop9h 10mDelta
Tue 9/233:45 pmBOI - BOS
1 stop11h 50mDelta
Deal found 8/1$295
This Alaska Airlines deal was found by Cheapflights users on 7/31. 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 9/249:20 amBOS - GEG
1 stop10h 31mAlaska Airlines
Tue 9/301:40 pmGEG - BOS
1 stop7h 47mAlaska Airlines
Deal found 7/31$296
This Mytrip deal was found by Cheapflights users on 7/31. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/302:53 pmBOS - BOI
3 stops28h 18mSpirit Airlines
Sat 9/62:16 pmBOI - BOS
2 stops18h 57mSpirit Airlines
Deal found 7/31$296
This American Airlines deal was found by Cheapflights users on 8/1. 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.
Sat 9/206:00 amBOS - GEG
1 stop8h 45mAmerican Airlines
Tue 9/237:00 amGEG - BOS
1 stop8h 45mAmerican Airlines
Deal found 8/1$297
This United Airlines deal was found by Cheapflights users on 7/31. 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 9/26:10 amBOS - BOI
1 stop7h 21mUnited Airlines
Tue 9/912:27 pmBOI - BOS
2 stops9h 30mUnited Airlines
Deal found 7/31$300
This American Airlines deal was found by Cheapflights users on 7/31. 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 9/175:00 amBOS - BOI
1 stop9h 27mAmerican Airlines
Tue 9/237:00 amBOI - BOS
2 stops9h 59mAmerican Airlines
Deal found 7/31$303
This Hawaiian Airlines deal was found by Cheapflights users on 8/1. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/107:20 amBOS - GEG
1 stop8h 26mHawaiian Airlines
Mon 9/157:29 pmGEG - BOS
1 stop7h 31mHawaiian Airlines
Deal found 8/1$310
This Delta deal was found by Cheapflights users on 7/31. 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 9/176:15 amBOS - GEG
1 stop10h 40mDelta
Mon 9/2211:29 amGEG - BOS
1 stop9h 30mDelta
Deal found 7/31$311
This Delta deal was found by Cheapflights users on 7/31. 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 11/16:00 amPWM - JAC
2 stops12h 48mDelta
Tue 11/46:55 pmJAC - PWM
2 stops12h 37mDelta
Deal found 7/31$319
This United Airlines deal was found by Cheapflights users on 8/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/279:53 amBOS - GEG
2 stops13h 31mUnited Airlines
Sat 10/41:38 pmGEG - BOS
1 stop7h 06mUnited Airlines
Deal found 8/1$319

Cheapflights Fare Finder

 
Customize your flight search to find flights from New Hampshire to Idaho 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 August 2, 2025.
Use the filters below to find and compare flights from New Hampshire to Idaho that are best for you.

Fly from

New Hampshire

Fly to

Idaho

Route

Depart

Return

Price

BostonWest Yellowstone

BOS - WYS

BOSWYS

Boston Logan Intl

Mon 9/1

5:15 am-2:50 pm

2 stops11h 35m

West Yellowstone

Sat 9/6

3:25 pm-11:58 pm

1 stop6h 33m

$292

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Sat 9/6

7:20 am-3:54 pm

1 stop10h 34m

Boise Air Term. Gowen Fld

Sat 9/13

2:28 pm-12:27 am

1 stop7h 59m

$294

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Wed 9/17

7:05 am-2:15 pm

1 stop9h 10m

Boise Air Term. Gowen Fld

Tue 9/23

3:45 pm-5:35 am

1 stop11h 50m

$295

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Wed 9/24

9:20 am-4:51 pm

1 stop10h 31m

Spokane

Tue 9/30

1:40 pm-12:27 am

1 stop7h 47m

$296

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Sat 8/30

2:53 pm-5:11 pm

3 stops28h 18m

Boise Air Term. Gowen Fld

Sat 9/6

2:16 pm-11:13 am

2 stops18h 57m

$296

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Sat 9/20

6:00 am-11:45 am

1 stop8h 45m

Spokane

Tue 9/23

7:00 am-6:45 pm

1 stop8h 45m

$297

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Tue 9/2

6:10 am-11:31 am

1 stop7h 21m

Boise Air Term. Gowen Fld

Tue 9/9

12:27 pm-11:57 pm

2 stops9h 30m

$300

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Wed 9/17

5:00 am-12:27 pm

1 stop9h 27m

Boise Air Term. Gowen Fld

Tue 9/23

7:00 am-6:59 pm

2 stops9h 59m

$303

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Wed 9/10

7:20 am-12:46 pm

1 stop8h 26m

Spokane

Mon 9/15

7:29 pm-6:00 am

1 stop7h 31m

$310

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Wed 9/17

6:15 am-1:55 pm

1 stop10h 40m

Spokane

Mon 9/22

11:29 am-11:59 pm

1 stop9h 30m

$311

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/1

Showing 1-10 of 59 results
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Best time to book a flight from New Hampshire to Idaho

Have a flexible travel schedule? Discover the best time to fly to Idaho from New Hampshire 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 New Hampshire to Idaho
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Idaho

Get insights into the airlines that provide service to Idaho. 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 Idaho. Reviews last updated August 2, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta from New Hampshire to Idaho. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Southwest
8.0
Very good
4,246 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,983 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,611 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,904 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Related info for your journey

Find useful and relevant information for your journey from New Hampshire to Idaho. 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 New Hampshire to Idaho one-way?

    To fly one-way, consider booking your trip with Hawaiian Airlines, which is currently one of the cheapest options available, starting at $148. United Airlines flights start at $149 while deals on American Airlines start at $154 one-way.

  • Can I find deals for flights from New Hampshire to Idaho that include hotel bookings?

    Yes. In addition to deals on New Hampshire to Idaho flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from New Hampshire to Idaho?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from New Hampshire to Idaho.

  • Can I find deals for business class flights from New Hampshire to Idaho?

    Yes. Cheapflights offers flight deals from New Hampshire to Idaho 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 New Hampshire to Idaho?

    Currently, October is the cheapest month in which you can book a flight from New Hampshire to Idaho (average of $314). Flying from New Hampshire to Idaho in June is currently the most expensive (average of $398). 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 New Hampshire to Idaho

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from New Hampshire to Idaho

Discover the top airline that operate flights from New Hampshire to Idaho. 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 August 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$378Average$774FlexibilityNo cancel feeOn-time71%

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