New Hampshire

$149+ 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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — MHT
Apr 8 — Apr 151
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Cheap 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 March 9, 2026.

This Delta deal was found by Cheapflights users on 3/6. 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 4/141:07 pm
GEG
-
BOS
1 stop7h 52m
Delta
Wed 4/296:45 pm
BOS
-
GEG
1 stop8h 35m
Delta
Deal found 3/6$285
This Southwest deal was found by Cheapflights users on 3/5. 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 4/156:30 am
GEG
-
BOS
1 stop7h 15m
Southwest
Sat 5/24:30 pm
BOS
-
GEG
1 stop7h 45m
Southwest
Deal found 3/5$297
This Southwest deal was found by Cheapflights users on 3/5. 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 4/151:45 pm
GEG
-
BOS
1 stop7h 20m
Southwest
Wed 4/292:25 pm
BOS
-
GEG
2 stops11h 30m
Southwest
Deal found 3/5$302
This Delta deal was found by Cheapflights users on 3/6. 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 3/307:30 pm
BOI
-
BOS
1 stop9h 20m
Delta
Tue 4/77:10 am
BOS
-
BOI
1 stop10h 53m
Delta
Deal found 3/6$304
This Delta deal was found by Cheapflights users on 3/6. 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 4/292:10 pm
GEG
-
BOS
1 stop6h 25m
Delta
Thu 5/73:55 pm
BOS
-
GEG
1 stop11h 04m
Delta
Deal found 3/6$311
This United Airlines deal was found by Cheapflights users on 3/4. 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 4/156:15 am
BOI
-
BOS
1 stop8h 58m
United Airlines
Sat 4/256:00 am
BOS
-
BOI
1 stop7h 49m
United Airlines
Deal found 3/4$313
This American Airlines deal was found by Cheapflights users on 3/7. 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 4/221:22 pm
GEG
-
BOS
1 stop8h 03m
American Airlines
Wed 5/66:30 am
BOS
-
GEG
1 stop9h 02m
American Airlines
Deal found 3/7$316
This American Airlines deal was found by Cheapflights users on 3/5. 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 4/41:41 pm
BOI
-
BOS
1 stop8h 16m
American Airlines
Sat 4/116:30 am
BOS
-
BOI
1 stop8h 19m
American Airlines
Deal found 3/5$317
This American Airlines deal was found by Cheapflights users on 3/6. 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.
Tue 5/51:22 pm
GEG
-
BOS
1 stop8h 03m
American Airlines
Sat 5/162:02 pm
BOS
-
GEG
1 stop9h 31m
American Airlines
Deal found 3/6$317
This Delta deal was found by Cheapflights users on 3/6. 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 4/148:40 pm
BOI
-
PWM
2 stops13h 25m
Delta
Thu 4/236:30 am
PWM
-
BOI
2 stops15h 30m
Delta
Deal found 3/6$319
This American Airlines deal was found by Cheapflights users on 3/8. 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.
Wed 4/221:29 pm
BOI
-
BOS
1 stop8h 56m
American Airlines
Tue 4/286:30 am
BOS
-
BOI
1 stop8h 19m
American Airlines
Deal found 3/8$321
This American Airlines deal was found by Cheapflights users on 3/8. 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.
Tue 5/121:13 pm
GEG
-
BOS
1 stop8h 12m
American Airlines
Sat 5/162:02 pm
BOS
-
GEG
1 stop9h 31m
American Airlines
Deal found 3/8$321

Find 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 March 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$285
(Delta)

One-way from

$149
(American Airlines)

Popular in

January

Cheapest in

December

Average price

$501
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Boston Logan Intl flight deals.
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Boston Logan Intl flights.
From Idaho to New Hampshire
One-way flight from Idaho to New Hampshire
High demand for flights, 4% potential price rise
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Average for round-trip flights in March 2026

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 March 9, 2026.
Use the filters below to find and compare flights from Idaho to New Hampshire that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

Tue 5/5

5:00 am-3:33 pm

1 stop7h 33m

Boston Logan Intl

Sat 5/16

8:05 am-9:45 pm

1 stop16h 40m

$297

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

Wed 4/15

1:46 pm-11:59 pm

1 stop7h 13m

Boston Logan Intl

Sat 5/2

3:08 pm-9:16 pm

1 stop9h 08m

$297

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

Tue 4/14

1:46 pm-11:59 pm

1 stop7h 13m

Boston Logan Intl

Sat 5/2

9:15 am-3:18 pm

1 stop9h 03m

$297

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

Tue 4/14

1:45 pm-12:05 am

1 stop7h 20m

Boston Logan Intl

Sat 5/2

1:50 pm-10:15 pm

2 stops11h 25m

$302

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

Wed 4/15

1:45 pm-12:05 am

1 stop7h 20m

Boston Logan Intl

Sat 5/2

5:15 am-1:45 pm

2 stops11h 30m

$302

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

Sun 5/3

6:00 am-7:12 am

1 stop22h 12m

Boston Logan Intl

Thu 5/14

7:11 pm-11:42 am

1 stop19h 31m

$325

BoiseBoston

BOI - BOS

BOIBOS

Boise Air Term. Gowen Fld

Thu 5/7

9:16 pm-7:35 am

1 stop8h 19m

Boston Logan Intl

Tue 5/12

5:40 am-2:43 pm

2 stops11h 03m

$328

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

Thu 5/14

7:01 am-5:44 am

1 stop19h 43m

Boston Logan Intl

Tue 5/19

8:05 am-9:45 pm

1 stop16h 40m

$352

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Tue 4/14

8:40 pm-12:05 pm

2 stops13h 25m

Portland

Thu 4/23

6:30 am-8:00 pm

2 stops15h 30m

$357

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Tue 5/5

8:59 am-12:46 am

2 stops13h 47m

Portland

Wed 5/13

12:55 pm-11:55 pm

2 stops13h 00m

$357

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/5

Showing 1-10 of 60 resultsSorted by cheapest first
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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
No data available for this route at this time. Please check back soon.

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 March 9, 2026.
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.

Entertainment

6.9

Comfort

7.2

Boarding

7.5

Crew

7.9

Food

6.4

Overall

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes

Entertainment

6.9

Comfort

7.2

Boarding

7.5

Crew

7.9

Food

6.4

Overall

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes

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 13m. Airlines will cover a distance of 2266 mi. This flight may include one or multiple stops.

  • 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.

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 March 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$352Average$527FlexibilityNo cancel feeOn-time71%

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