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New Hampshire

$139+ 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 10/31. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — MHT
nov. 9 — nov. 161
dom. 11/9
dom. 11/16
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 octubre 10, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$279
(Delta)

One-way from

$139
(Alaska Airlines)

Popular in

January

Cheapest in

April

Average price

$457
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Boston Logan Intl flight deals.
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Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Boston Logan Intl flights.
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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. 2% potential increase in price ($9 potential increase over avg. RT price).
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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 October 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 octubre 10, 2025.

This KAYAK deal was found by Cheapflights users on 10/9. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/45:54 amBOI - BOS
1 stop7h 30mAlaska Airlines
mié. 11/129:00 amBOS - BOI
1 stop9h 17mAlaska Airlines
Deal found 10/9$299
This Delta deal was found by Cheapflights users on 10/9. 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.
vie. 11/1411:19 amGEG - BOS
1 stop9h 36mDelta
dom. 11/167:15 amBOS - GEG
1 stop10h 38mDelta
Deal found 10/9$305
This KAYAK deal was found by Cheapflights users on 10/9. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/45:54 amBOI - BOS
1 stop7h 30mAlaska Airlines
jue. 11/137:00 amBOS - BOI
1 stop10h 12mAlaska Airlines
Deal found 10/9$308
This Alaska Airlines deal was found by Cheapflights users on 10/8. 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. 10/297:35 amGEG - BOS
1 stop13h 45mAlaska Airlines
mié. 11/124:24 pmBOS - GEG
1 stop10h 32mAlaska Airlines
Deal found 10/8$316
This American Airlines deal was found by Cheapflights users on 10/10. 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.
mar. 11/41:40 pmBOI - BOS
1 stop7h 39mAmerican Airlines
mié. 11/125:30 amBOS - BOI
1 stop9h 05mAmerican Airlines
Deal found 10/10$317
This American Airlines deal was found by Cheapflights users on 10/8. 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. 10/291:12 pmGEG - BOS
1 stop7h 42mAmerican Airlines
mié. 11/128:00 amBOS - GEG
2 stops11h 42mAmerican Airlines
Deal found 10/8$322
This Delta deal was found by Cheapflights users on 10/9. 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.
jue. 11/137:45 pmBOI - BOS
1 stop8h 50mDelta
dom. 11/167:15 amBOS - BOI
1 stop10h 50mDelta
Deal found 10/9$325
This Delta deal was found by Cheapflights users on 10/8. 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.
vie. 12/511:19 amGEG - BOS
1 stop9h 39mDelta
sáb. 12/137:15 amBOS - GEG
1 stop10h 40mDelta
Deal found 10/8$325
This Alaska Airlines deal was found by Cheapflights users on 10/9. 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.
jue. 10/308:45 amGEG - BOS
1 stop12h 35mAlaska Airlines
sáb. 11/14:24 pmBOS - GEG
1 stop10h 32mAlaska Airlines
Deal found 10/9$326
This Alaska Airlines deal was found by Cheapflights users on 10/8. 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.
jue. 10/308:50 amBOI - BOS
1 stop13h 30mAlaska Airlines
sáb. 11/17:00 amBOS - BOI
1 stop11h 17mAlaska Airlines
Deal found 10/8$327
This Delta deal was found by Cheapflights users on 10/8. 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. 12/82:15 pmGEG - BOS
1 stop6h 44mDelta
mar. 12/165:45 amBOS - GEG
1 stop10h 33mDelta
Deal found 10/8$327
This Alaska Airlines deal was found by Cheapflights users on 10/9. 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.
dom. 11/27:35 amGEG - BOS
1 stop13h 45mAlaska Airlines
mar. 11/44:24 pmBOS - GEG
1 stop10h 32mAlaska Airlines
Deal found 10/9$330

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 octubre 10, 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

mar. 11/4

5:54 am-3:24 pm

1 stop7h 30m

Boston Logan Intl

mié. 11/12

9:00 am-4:17 pm

1 stop9h 17m

$299

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

jue. 10/30

5:24 pm-6:35 am

1 stop10h 11m

Boston Logan Intl

sáb. 11/1

7:20 am-2:57 pm

1 stop10h 37m

$305

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

vie. 11/14

11:19 am-11:55 pm

1 stop9h 36m

Boston Logan Intl

dom. 11/16

7:15 am-2:53 pm

1 stop10h 38m

$305

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

jue. 1/15

6:45 am-8:32 pm

1 stop10h 47m

Boston Logan Intl

mar. 1/20

12:12 pm-6:49 pm

1 stop9h 37m

$308

BoiseBoston

BOI - BOS

BOIBOS

Boise Air Term. Gowen Fld

mar. 11/4

5:54 am-3:24 pm

1 stop7h 30m

Boston Logan Intl

jue. 11/13

7:00 am-3:12 pm

1 stop10h 12m

$308

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

mar. 3/3

5:45 pm-7:16 am

1 stop10h 31m

Boston Logan Intl

mié. 3/4

10:00 am-4:54 pm

1 stop9h 54m

$311

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

mié. 10/29

7:35 am-12:20 am

1 stop13h 45m

Boston Logan Intl

mié. 11/12

4:24 pm-11:56 pm

1 stop10h 32m

$316

BoiseBoston

BOI - BOS

BOIBOS

Boise Air Term. Gowen Fld

mar. 3/10

2:00 pm-11:48 pm

1 stop7h 48m

Boston Logan Intl

mié. 3/11

11:00 am-6:25 pm

1 stop9h 25m

$319

BoiseBoston

BOI - BOS

BOIBOS

Boise Air Term. Gowen Fld

jue. 11/13

7:45 pm-6:35 am

1 stop8h 50m

Boston Logan Intl

dom. 11/16

7:15 am-4:05 pm

1 stop10h 50m

$325

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

jue. 10/30

8:45 am-12:20 am

1 stop12h 35m

Boston Logan Intl

sáb. 11/1

4:24 pm-11:56 pm

1 stop10h 32m

$326

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/8

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 octubre 10, 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 39% 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 octubre 10, 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
11,043 reviews

Comfort

7.2

Food

6.4

Entertainment

6.9

Crew

8.0

Overall

7.2

Boarding

7.5

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
11,043 reviews
American Airlines
7.2
Good
11,043 reviews

Comfort

7.2

Food

6.4

Entertainment

6.9

Crew

8.0

Overall

7.2

Boarding

7.5

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 30m. 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 $139 on Alaska Airlines. Other airlines that offer cheap prices include Delta from $140 and United Airlines 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.

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 octubre 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$352Average$518FlexibilityNo cancel feeOn-time71%

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