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Idaho Falls

$211+ Cheap flights from New Hampshire to Idaho Falls (IDA)

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 2/2. Fares are subject to change and may not be available on all flights or dates of travel.
MHT — IDA
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Find flight deals from New Hampshire to Idaho Falls

Cheapest flights from New Hampshire to Idaho Falls
Explore the most affordable flight options available from New Hampshire to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This Delta deal was found by Cheapflights users on 10/28. 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.
Sun 12/76:10 amBOS - IDA
1 stop8h 27mDelta
Tue 12/91:17 pmIDA - BOS
1 stop8h 24mDelta
Deal found 10/28$421
This Delta deal was found by Cheapflights users on 10/28. 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 11/181:00 pmBOS - IDA
2 stops11h 19mDelta
Wed 11/196:00 amIDA - BOS
1 stop8h 10mDelta
Deal found 10/28$426
This Delta deal was found by Cheapflights users on 10/28. 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 11/186:10 amBOS - IDA
1 stop8h 24mDelta
Sat 11/226:57 pmIDA - BOS
1 stop9h 33mDelta
Deal found 10/28$436
This Delta deal was found by Cheapflights users on 10/28. 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 11/181:00 pmBOS - IDA
2 stops11h 19mDelta
Sun 11/231:15 pmIDA - BOS
1 stop8h 28mDelta
Deal found 10/28$441
This Delta deal was found by Cheapflights users on 10/28. 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 11/126:10 amBOS - IDA
1 stop8h 24mDelta
Tue 11/186:57 pmIDA - BOS
1 stop9h 33mDelta
Deal found 10/28$451
This Delta deal was found by Cheapflights users on 10/28. 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 11/121:00 pmBOS - IDA
2 stops11h 19mDelta
Wed 11/196:00 amIDA - BOS
1 stop8h 10mDelta
Deal found 10/28$456
This Alaska Airlines deal was found by Cheapflights users on 10/28. 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.
Mon 11/177:00 amBOS - IDA
1 stop10h 13mAlaska Airlines
Tue 11/186:05 amIDA - BOS
1 stop16h 15mAlaska Airlines
Deal found 10/28$461
This Mytrip deal was found by Cheapflights users on 10/29. 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.
Thu 11/133:55 pmBOS - IDA
3 stops26h 13mMultiple Airlines
Mon 11/177:56 pmIDA - BOS
3 stops26h 03mMultiple Airlines
Deal found 10/29$463
This Delta deal was found by Cheapflights users on 10/28. 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 11/126:10 amBOS - IDA
1 stop8h 24mDelta
Sat 11/226:57 pmIDA - BOS
1 stop9h 33mDelta
Deal found 10/28$466
This Delta deal was found by Cheapflights users on 10/28. 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 12/36:10 amBOS - IDA
1 stop8h 27mDelta
Wed 12/101:17 pmIDA - BOS
1 stop8h 24mDelta
Deal found 10/28$470
This Delta deal was found by Cheapflights users on 10/28. 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 11/181:00 pmBOS - IDA
2 stops11h 19mDelta
Mon 11/246:57 pmIDA - BOS
1 stop9h 33mDelta
Deal found 10/28$475
This United Airlines deal was found by Cheapflights users on 10/29. 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 11/155:30 amPWM - IDA
2 stops10h 05mUnited Airlines
Tue 11/188:30 amIDA - PWM
2 stops12h 31mUnited Airlines
Deal found 10/29$499

Cheap flight deals from New Hampshire to Idaho Falls

Keep the following information in mind while searching for New Hampshire to Idaho Falls flight deals. Data was last updated October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$421
(Delta)

One-way from

$211
(United Airlines)

Popular in

July

Cheapest in

September

Average price

$596
Provider with most accurate pricing for Boston Logan Intl-Idaho Falls Fanning Field flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Idaho Falls Fanning Field flights.
Search Deals
From New Hampshire to Idaho Falls Fanning Field
Search Deals
One-way flight from New Hampshire to Idaho Falls Fanning Field
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($133 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from New Hampshire to Idaho Falls 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 October 30, 2025.
Use the filters below to find and compare flights from New Hampshire to Idaho Falls that are best for you.

Fly from

New Hampshire

Fly to

Idaho Falls

Route

Depart

Return

Price

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Tue 12/9

6:10 am-12:37 pm

1 stop8h 27m

Idaho Falls Fanning Field

Mon 12/15

1:17 pm-11:41 pm

1 stop8h 24m

$421

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Tue 3/3

6:00 am-12:31 pm

1 stop8h 31m

Idaho Falls Fanning Field

Wed 3/4

6:45 pm-6:13 am

1 stop9h 28m

$421

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Sun 12/7

6:10 am-12:37 pm

1 stop8h 27m

Idaho Falls Fanning Field

Tue 12/9

1:17 pm-11:41 pm

1 stop8h 24m

$421

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Tue 12/9

6:10 am-12:37 pm

1 stop8h 27m

Idaho Falls Fanning Field

Wed 12/10

1:17 pm-11:41 pm

1 stop8h 24m

$421

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Tue 11/18

1:00 pm-10:19 pm

2 stops11h 19m

Idaho Falls Fanning Field

Wed 11/19

6:00 am-4:10 pm

1 stop8h 10m

$426

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Sat 1/31

7:00 am-6:18 pm

1 stop13h 18m

Idaho Falls Fanning Field

Tue 2/3

6:58 pm-4:20 pm

1 stop19h 22m

$435

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Tue 11/18

6:10 am-12:34 pm

1 stop8h 24m

Idaho Falls Fanning Field

Sun 11/23

1:15 pm-11:43 pm

1 stop8h 28m

$436

PortlandIdaho Falls

PWM - IDA

PWMIDA

Portland

Sat 11/15

5:30 am-1:35 pm

2 stops10h 05m

Idaho Falls Fanning Field

Tue 11/18

8:30 am-11:01 pm

2 stops12h 31m

$499

PortlandIdaho Falls

PWM - IDA

PWMIDA

Portland

Thu 3/5

12:43 pm-11:07 pm

2 stops12h 24m

Idaho Falls Fanning Field

Sun 3/8

1:43 pm-12:07 pm

2 stops20h 24m

$843

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Mon 2/2

7:25 am-1:30 pm

1 stop8h 05m

$211

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 17 results
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Best time to book a flight from New Hampshire to Idaho Falls

Have a flexible travel schedule? Discover the best time to fly to Idaho Falls 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 Falls
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 New Hampshire to Idaho Falls. 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 into for flights to Idaho Falls from New Hampshire?

    If you book a flight to Idaho Falls from New Hampshire, you will be flying to Fanning Field, which is the city’s only airport. Idaho Falls Fanning Field (IDA) is located 3.8 mi from the center of Idaho Falls.

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

    There are many flights that can get you from New Hampshire to Idaho Falls in 8h 27m. Fly via Delta or United Airlines to get the fastest option. There are 2056 mi between New Hampshire and Idaho Falls. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from New Hampshire to Idaho Falls one-way?

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $211. However, be on the lookout for offers from Alaska Airlines and American Airlines, as they are both options that can get you from New Hampshire to Idaho Falls for a low price.

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

    Most travelers choose Boston Logan Intl - Idaho Falls Fanning Field, Manchester - Idaho Falls Fanning Field or Portland - Idaho Falls Fanning Field when deciding on the best route from New Hampshire to Idaho Falls.

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

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

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

    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 Falls.

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

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

Traveling to a place near Idaho Falls?

Book flights to Idaho Falls if you plan to visit one of these locations
Rexburg

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