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Idaho Falls

$201+ 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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
MHT — IDA
Jul 1 — Jul 81
Tue 7/1
Tue 7/8
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 June 26, 2025.

Round-trip from

$400
(Alaska Airlines)

One-way from

$266
(United Airlines)

Popular in

August

Cheapest in

November

Average price

$814
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. 12% potential increase in price ($97 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 26, 2025.

This Alaska Airlines deal was found by Cheapflights users on 6/25. 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.
Tue 9/97:20 amBOS - IDA
1 stop10h 00mAlaska Airlines
Tue 9/163:57 pmIDA - BOS
1 stop14h 03mAlaska Airlines
Deal found 6/25$400
This United Airlines deal was found by Cheapflights users on 6/25. 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.
Tue 10/289:20 amBOS - IDA
1 stop7h 56mUnited Airlines
Fri 10/312:45 pmIDA - BOS
1 stop6h 54mUnited Airlines
Deal found 6/25$401
This Delta deal was found by Cheapflights users on 6/26. 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.
Fri 8/226:10 amBOS - IDA
1 stop10h 09mDelta
Tue 8/266:52 pmIDA - BOS
1 stop9h 33mDelta
Deal found 6/26$416
This American Airlines deal was found by Cheapflights users on 6/26. 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.
Fri 8/2210:35 amBOS - IDA
2 stops12h 43mAmerican Airlines
Tue 8/267:00 amIDA - BOS
2 stops9h 41mAmerican Airlines
Deal found 6/26$426
This American Airlines deal was found by Cheapflights users on 6/25. 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 9/37:05 amMHT - IDA
1 stop7h 19mAmerican Airlines
Wed 9/1012:54 pmIDA - MHT
1 stop7h 30mAmerican Airlines
Deal found 6/25$451
This United Airlines deal was found by Cheapflights users on 6/24. 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.
Tue 10/282:27 pmMHT - IDA
2 stops10h 25mUnited Airlines
Sat 11/110:50 amIDA - MHT
2 stops10h 54mUnited Airlines
Deal found 6/24$534
This American Airlines deal was found by Cheapflights users on 6/23. 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 8/236:30 amPWM - IDA
1 stop8h 30mAmerican Airlines
Tue 8/267:00 amIDA - PWM
1 stop8h 46mAmerican Airlines
Deal found 6/23$535
This United Airlines deal was found by Cheapflights users on 6/25. 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 7/113:37 pmPWM - IDA
1 stop9h 14mUnited Airlines
Tue 7/155:00 amIDA - PWM
1 stop8h 49mUnited Airlines
Deal found 6/25$560

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 June 26, 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 9/9

7:20 am-3:20 pm

1 stop10h 00m

Idaho Falls Fanning Field

Tue 9/16

3:57 pm-8:00 am

1 stop14h 03m

$400

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Tue 10/28

9:20 am-3:16 pm

1 stop7h 56m

Idaho Falls Fanning Field

Fri 10/31

2:45 pm-11:39 pm

1 stop6h 54m

$401

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Fri 8/22

6:10 am-2:19 pm

1 stop10h 09m

Idaho Falls Fanning Field

Tue 8/26

6:52 pm-6:25 am

1 stop9h 33m

$416

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Fri 8/22

10:35 am-9:18 pm

2 stops12h 43m

Idaho Falls Fanning Field

Tue 8/26

7:00 am-6:41 pm

2 stops9h 41m

$426

ManchesterIdaho Falls

MHT - IDA

MHTIDA

Manchester

Wed 9/3

7:05 am-12:24 pm

1 stop7h 19m

Idaho Falls Fanning Field

Wed 9/10

12:54 pm-10:24 pm

1 stop7h 30m

$451

ManchesterIdaho Falls

MHT - IDA

MHTIDA

Manchester

Tue 10/28

2:27 pm-10:52 pm

2 stops10h 25m

Idaho Falls Fanning Field

Sat 11/1

10:50 am-11:44 pm

2 stops10h 54m

$534

PortlandIdaho Falls

PWM - IDA

PWMIDA

Portland

Sat 8/23

6:30 am-1:00 pm

1 stop8h 30m

Idaho Falls Fanning Field

Tue 8/26

7:00 am-5:46 pm

1 stop8h 46m

$535

PortlandIdaho Falls

PWM - IDA

PWMIDA

Portland

Fri 7/11

3:37 pm-10:51 pm

1 stop9h 14m

Idaho Falls Fanning Field

Tue 7/15

5:00 am-3:49 pm

1 stop8h 49m

$560

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Sat 9/6

7:20 am-3:20 pm

1 stop10h 00m

$201

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Sat 9/6

7:45 am-10:39 pm

2 stops16h 54m

$207

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/24

Showing 1-10 of 14 results
1
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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.

Reviews of airlines servicing Idaho Falls

Get insights into the airlines that provide service to Idaho Falls. 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 Idaho Falls. Reviews last updated June 26, 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta, and United Airlines from New Hampshire to Idaho Falls. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Comfort

7.8

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Comfort

7.8

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,963 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Comfort

7.8

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,838 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Comfort

7.8

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Comfort

7.8

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

  • 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 $266. However, be on the lookout for offers from American Airlines and Alaska 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.

  • 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 New Hampshire?

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