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Idaho Falls

$180+ 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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
MHT — IDA
ago. 27 — sep. 31
mié. 8/27
mié. 9/3
1 adult, Economy
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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 agosto 22, 2025.

Round-trip from

$349
(Mytrip)

One-way from

$180
(Mytrip)

Popular in

July

Cheapest in

September

Average price

$569
From New Hampshire to Idaho Falls Fanning Field
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One-way flight from New Hampshire to Idaho Falls Fanning Field
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Highest demand for flights based on searches. 15% potential increase in price ($122 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($31 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 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 agosto 22, 2025.

This Mytrip deal was found by Cheapflights users on 8/20. 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.
jue. 9/42:53 pmBOS - IDA
3 stops27h 12mMultiple Airlines
lun. 9/89:39 pmIDA - BOS
3 stops24h 18mMultiple Airlines
Deal found 8/20$349
This American Airlines deal was found by Cheapflights users on 8/20. 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.
jue. 10/166:14 amPWM - IDA
1 stop8h 11mAmerican Airlines
lun. 10/201:11 pmIDA - PWM
1 stop7h 34mAmerican Airlines
Deal found 8/20$374
This Trip.com deal was found by Cheapflights users on 8/20. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/166:20 amBOS - IDA
2 stops18h 18mMultiple Airlines
mar. 10/216:00 amIDA - BOS
1 stop11h 25mMultiple Airlines
Deal found 8/20$387
This American Airlines deal was found by Cheapflights users on 8/20. 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.
jue. 10/166:57 amBOS - IDA
1 stop7h 28mAmerican Airlines
mar. 10/2112:55 pmIDA - BOS
1 stop8h 07mAmerican Airlines
Deal found 8/20$401
This Delta deal was found by Cheapflights users on 8/20. 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.
sáb. 11/86:15 amBOS - IDA
1 stop8h 18mDelta
vie. 11/146:50 pmIDA - BOS
1 stop9h 19mDelta
Deal found 8/20$416
This United Airlines deal was found by Cheapflights users on 8/20. 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.
mar. 10/289:30 amMHT - IDA
2 stops10h 16mUnited Airlines
sáb. 11/18:30 amIDA - MHT
2 stops13h 14mUnited Airlines
Deal found 8/20$449
This United Airlines deal was found by Cheapflights users on 8/20. 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.
jue. 9/411:50 amBOS - IDA
1 stop7h 25mUnited Airlines
lun. 9/82:35 pmIDA - BOS
1 stop7h 11mUnited Airlines
Deal found 8/20$461
This United Airlines deal was found by Cheapflights users on 8/21. 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.
vie. 9/53:35 pmPWM - IDA
1 stop9h 13mUnited Airlines
mar. 9/97:00 amIDA - PWM
2 stops10h 29mUnited Airlines
Deal found 8/21$474
This United Airlines deal was found by Cheapflights users on 8/20. 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.
mié. 11/55:30 amBOS - IDA
2 stops10h 05mUnited Airlines
vie. 11/75:00 amIDA - BOS
2 stops9h 10mUnited Airlines
Deal found 8/20$493
This United Airlines deal was found by Cheapflights users on 8/19. 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.
mié. 9/105:05 pmBOS - IDA
1 stop7h 43mUnited Airlines
mar. 9/167:00 amIDA - BOS
2 stops11h 38mUnited Airlines
Deal found 8/19$506
This United Airlines deal was found by Cheapflights users on 8/20. 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.
mié. 9/102:14 pmPWM - IDA
2 stops10h 34mUnited Airlines
mié. 9/174:15 pmIDA - PWM
2 stops15h 43mUnited Airlines
Deal found 8/20$543
This American Airlines deal was found by Cheapflights users on 8/20. 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. 9/38:34 amMHT - IDA
2 stops14h 51mAmerican Airlines
mié. 9/1012:54 pmIDA - MHT
2 stops9h 15mAmerican Airlines
Deal found 8/20$565

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 agosto 22, 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

jue. 9/4

2:53 pm-4:05 pm

3 stops27h 12m

Idaho Falls Fanning Field

lun. 9/8

9:39 pm-11:57 pm

3 stops24h 18m

$349

PortlandIdaho Falls

PWM - IDA

PWMIDA

Portland

jue. 10/16

6:14 am-12:25 pm

1 stop8h 11m

Idaho Falls Fanning Field

lun. 10/20

1:11 pm-10:45 pm

1 stop7h 34m

$374

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

jue. 10/16

6:20 am-10:38 pm

2 stops18h 18m

Idaho Falls Fanning Field

mar. 10/21

6:00 am-7:25 pm

1 stop11h 25m

$387

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

mié. 11/5

6:15 am-12:33 pm

1 stop8h 18m

Idaho Falls Fanning Field

vie. 11/7

1:15 pm-11:48 pm

1 stop8h 33m

$401

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

jue. 10/16

6:57 am-12:25 pm

1 stop7h 28m

Idaho Falls Fanning Field

mar. 10/21

12:55 pm-11:02 pm

1 stop8h 07m

$401

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

sáb. 11/8

6:15 am-12:33 pm

1 stop8h 18m

Idaho Falls Fanning Field

vie. 11/14

6:50 pm-6:09 am

1 stop9h 19m

$416

ManchesterIdaho Falls

MHT - IDA

MHTIDA

Manchester

mar. 10/28

9:30 am-5:46 pm

2 stops10h 16m

Idaho Falls Fanning Field

sáb. 11/1

10:50 am-11:44 pm

2 stops10h 54m

$449

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

jue. 9/4

11:50 am-5:15 pm

1 stop7h 25m

Idaho Falls Fanning Field

lun. 9/8

2:35 pm-11:46 pm

1 stop7h 11m

$461

PortlandIdaho Falls

PWM - IDA

PWMIDA

Portland

vie. 9/5

3:35 pm-10:48 pm

1 stop9h 13m

Idaho Falls Fanning Field

mar. 9/9

7:00 am-7:29 pm

2 stops10h 29m

$474

PortlandIdaho Falls

PWM - IDA

PWMIDA

Portland

mié. 9/10

2:14 pm-10:48 pm

2 stops10h 34m

Idaho Falls Fanning Field

mié. 9/17

4:15 pm-9:58 am

2 stops15h 43m

$543

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/20

Showing 1-10 of 28 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 11m. Fly via American Airlines, Delta, or United Airlines to get the fastest option. There are 2066 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 American Airlines, with whom users have recently found tickets for as low as $235. However, be on the lookout for offers from United Airlines and Delta, 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 Manchester - Idaho Falls Fanning Field, Boston Logan Intl - 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.

  • What is the cheapest month to book a flight from New Hampshire to Idaho Falls?

    Currently, October is the cheapest month in which you can book a flight from New Hampshire to Idaho Falls (average of $380). Flying from New Hampshire to Idaho Falls in December is currently the most expensive (average of $578). 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

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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