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New Hampshire

$200+ Cheap flights from Idaho Falls (IDA) 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 2/17. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — MHT
Mar 5 — Mar 121
Thu 3/5
Thu 3/12
1 adult, Economy
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Cheap flight deals from Idaho Falls to New Hampshire

Cheapest flights from Idaho Falls to New Hampshire
Explore the most affordable flight options available from Idaho Falls to New Hampshire. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 3, 2026.

This American Airlines deal was found by Cheapflights users on 2/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/301:44 pm
IDA
-
PWM
1 stop8h 29m
American Airlines
Wed 10/147:14 am
PWM
-
IDA
1 stop7h 06m
American Airlines
Deal found 2/2$329
This Alaska Airlines deal was found by Cheapflights users on 2/1. 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.
Thu 4/24:59 pm
IDA
-
BOS
1 stop11h 40m
Alaska Airlines
Mon 4/66:10 pm
BOS
-
IDA
1 stop24h 09m
Alaska Airlines
Deal found 2/1$354
This United Airlines deal was found by Cheapflights users on 2/2. 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 3/42:40 pm
IDA
-
BOS
1 stop7h 04m
United Airlines
Tue 3/107:00 am
BOS
-
IDA
1 stop8h 30m
United Airlines
Deal found 2/2$359
This Expedia deal was found by Cheapflights users on 2/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/144:03 pm
IDA
-
BOS
1 stop13h 59m
Alaska Airlines
Fri 9/189:20 am
BOS
-
IDA
1 stop15h 19m
Alaska Airlines
Deal found 2/2$379
This Alaska Airlines deal was found by Cheapflights users on 2/2. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/48:00 am
IDA
-
BOS
1 stop20h 54m
Alaska Airlines
Mon 3/97:00 am
BOS
-
IDA
1 stop11h 43m
Alaska Airlines
Deal found 2/2$401
This United Airlines deal was found by Cheapflights users on 2/1. 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.
Fri 10/235:57 pm
IDA
-
BOS
2 stops13h 27m
United Airlines
Tue 10/277:30 am
BOS
-
IDA
1 stop8h 05m
United Airlines
Deal found 2/1$409
This United Airlines deal was found by Cheapflights users on 2/2. 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.
Fri 3/62:35 pm
IDA
-
BOS
1 stop7h 18m
United Airlines
Tue 3/106:00 am
BOS
-
IDA
2 stops9h 30m
United Airlines
Deal found 2/2$414
This Alaska Airlines deal was found by Cheapflights users on 2/2. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/234:03 pm
IDA
-
BOS
1 stop30h 02m
Alaska Airlines
Tue 10/277:20 am
BOS
-
IDA
1 stop10h 09m
Alaska Airlines
Deal found 2/2$416
This American Airlines deal was found by Cheapflights users on 2/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2812:41 pm
IDA
-
MHT
1 stop9h 18m
American Airlines
Thu 6/47:00 am
MHT
-
IDA
1 stop8h 13m
American Airlines
Deal found 2/2$425
This United Airlines deal was found by Cheapflights users on 2/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/42:31 pm
IDA
-
BOS
1 stop7h 13m
United Airlines
Tue 7/148:36 pm
BOS
-
IDA
1 stop18h 48m
United Airlines
Deal found 2/3$427
This American Airlines deal was found by Cheapflights users on 2/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/281:44 pm
IDA
-
PWM
1 stop8h 29m
American Airlines
Tue 10/137:14 am
PWM
-
IDA
1 stop7h 06m
American Airlines
Deal found 2/2$494
This United Airlines deal was found by Cheapflights users on 2/2. 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.
Mon 4/132:30 pm
IDA
-
PWM
2 stops17h 52m
United Airlines
Sat 4/187:33 pm
PWM
-
IDA
2 stops16h 20m
United Airlines
Deal found 2/2$542

Find flight deals from Idaho Falls to New Hampshire

Keep the following information in mind while searching for Idaho Falls to New Hampshire flight deals. Data was last updated February 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$354
(Alaska Airlines)

One-way from

$200
(Alaska Airlines)

Popular in

June

Cheapest in

August

Average price

$715
Provider with most accurate pricing for Idaho Falls Fanning Field-Boston Logan Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Idaho Falls Fanning Field-Boston Logan Intl flights.
Search Deals
From Idaho Falls Fanning Field to New Hampshire
Search Deals
One-way flight from Idaho Falls Fanning Field to New Hampshire
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($131 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho Falls 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 February 3, 2026.
Use the filters below to find and compare flights from Idaho Falls to New Hampshire that are best for you.

Fly from

Idaho Falls

Fly to

New Hampshire

Route

Depart

Return

Price

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Thu 4/2

4:59 pm-6:39 am

1 stop11h 40m

Boston Logan Intl

Mon 4/6

6:10 pm-4:19 pm

1 stop24h 09m

$354

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Wed 3/4

2:40 pm-11:44 pm

1 stop7h 04m

Boston Logan Intl

Tue 3/10

7:00 am-1:30 pm

1 stop8h 30m

$359

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Wed 3/4

8:00 am-6:54 am

1 stop20h 54m

Boston Logan Intl

Mon 3/9

7:00 am-4:43 pm

1 stop11h 43m

$401

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Fri 3/6

2:35 pm-11:53 pm

1 stop7h 18m

Boston Logan Intl

Tue 3/10

6:00 am-1:30 pm

2 stops9h 30m

$414

Idaho FallsManchester

IDA - MHT

IDAMHT

Idaho Falls Fanning Field

Thu 5/28

12:41 pm-11:59 pm

1 stop9h 18m

Manchester

Thu 6/4

7:00 am-1:13 pm

1 stop8h 13m

$425

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Sat 7/4

2:31 pm-11:44 pm

1 stop7h 13m

Boston Logan Intl

Tue 7/14

8:36 pm-1:24 pm

1 stop18h 48m

$427

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Fri 3/6

5:20 pm-4:36 pm

1 stop21h 16m

Boston Logan Intl

Mon 3/9

7:00 am-4:43 pm

1 stop11h 43m

$446

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Wed 3/4

8:00 am-11:59 pm

1 stop13h 59m

Boston Logan Intl

Sun 3/8

7:00 am-4:43 pm

1 stop11h 43m

$451

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Thu 3/5

2:35 pm-11:53 pm

1 stop7h 18m

Boston Logan Intl

Tue 3/10

6:00 am-1:30 pm

2 stops9h 30m

$454

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Thu 3/5

6:36 am-9:41 pm

2 stops13h 05m

Boston Logan Intl

Mon 3/9

6:23 pm-1:30 pm

2 stops21h 07m

$457

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/1

Showing 1-10 of 31 results
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Best time to book a flight from Idaho Falls to New Hampshire

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

Related info for your journey

Find useful and relevant information for your journey from Idaho Falls 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 airport do you fly from for flights from Idaho Falls to New Hampshire?

    Idaho Falls Fanning Field (IDA), located 3.8 mi from the city center, is the airport you fly out of when you book flights from Idaho Falls to New Hampshire.

  • How long is the flight from Idaho Falls to New Hampshire?

    There are many flights that can get you from Idaho Falls to New Hampshire in 7h 04m. Fly via Alaska Airlines, United Airlines, or American Airlines to get the fastest option. The distance between Idaho Falls and New Hampshire is about 2056 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most popular routes from Idaho Falls to New Hampshire?

    The most popular flight routes from Idaho Falls to New Hampshire are Idaho Falls Fanning Field - Boston Logan Intl, Idaho Falls Fanning Field - Manchester and Idaho Falls Fanning Field - Portland.

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

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

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

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

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

See prices for flight routes from nearby airports that may be better suited for you.
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