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New Hampshire

$201+ 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 7/29. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — MHT
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap 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 June 12, 2025.

Round-trip from

$401
(American Airlines)

One-way from

$201
(Delta)

Popular in

February

Cheapest in

March

Average price

$1,035
From Idaho Falls Fanning Field to New Hampshire
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One-way flight from Idaho Falls Fanning Field to New Hampshire
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Highest demand for flights based on searches. 6% potential increase in price ($48 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($52 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 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 June 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/11. 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 8/1212:46 pmIDA - BOS
1 stop7h 56mAmerican Airlines
Mon 8/185:29 amBOS - IDA
1 stop9h 18mAmerican Airlines
Deal found 6/11$401
This Delta deal was found by Cheapflights users on 6/11. 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 7/296:52 pmIDA - BOS
1 stop9h 23mDelta
Sat 8/95:15 amBOS - IDA
2 stops19h 14mDelta
Deal found 6/11$423
This American Airlines deal was found by Cheapflights users on 6/10. 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 10/412:43 pmIDA - PWM
1 stop8h 00mAmerican Airlines
Sat 10/116:00 amPWM - IDA
1 stop8h 10mAmerican Airlines
Deal found 6/10$469
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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 8/124:03 pmIDA - BOS
2 stops13h 27mAlaska Airlines
Mon 8/185:45 pmBOS - IDA
2 stops30h 54mAlaska Airlines
Deal found 6/11$529
This United Airlines deal was found by Cheapflights users on 6/10. 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 8/26:03 pmIDA - BOS
1 stop9h 58mUnited Airlines
Tue 8/122:49 pmBOS - IDA
2 stops10h 02mUnited Airlines
Deal found 6/10$553
This United Airlines deal was found by Cheapflights users on 6/10. 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 6/255:00 amIDA - PWM
1 stop8h 41mUnited Airlines
Sun 6/293:37 pmPWM - IDA
1 stop9h 14mUnited Airlines
Deal found 6/10$583
This United Airlines deal was found by Cheapflights users on 6/10. 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 8/12:38 pmIDA - MHT
2 stops31h 21mUnited Airlines
Wed 8/132:00 pmMHT - IDA
2 stops10h 51mUnited Airlines
Deal found 6/10$624
This Mytrip deal was found by Cheapflights users on 6/10. 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.
Fri 6/206:17 pmIDA - BOS
2 stops18h 03mMultiple Airlines
Sun 6/229:44 amBOS - IDA
2 stops28h 01mMultiple Airlines
Deal found 6/10$642
This American Airlines deal was found by Cheapflights users on 6/10. 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 8/16:51 amIDA - MHT
2 stops14h 16mAmerican Airlines
Wed 8/1312:27 pmMHT - IDA
1 stop26h 20mAmerican Airlines
Deal found 6/10$777
This Delta deal was found by Cheapflights users on 6/11. 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.
Sat 6/1411:20 amIDA - PWM
2 stops11h 26mDelta
Sat 6/211:15 pmPWM - IDA
2 stops11h 40mDelta
Deal found 6/11$802

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 June 12, 2025.
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

Tue 8/12

12:46 pm-10:42 pm

1 stop7h 56m

Boston Logan Intl

Mon 8/18

5:29 am-12:47 pm

1 stop9h 18m

$401

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Tue 7/29

6:52 pm-6:15 am

1 stop9h 23m

Boston Logan Intl

Sat 8/9

5:15 am-10:29 pm

2 stops19h 14m

$423

Idaho FallsPortland

IDA - PWM

IDAPWM

Idaho Falls Fanning Field

Sat 10/4

12:43 pm-10:43 pm

1 stop8h 00m

Portland

Sat 10/11

6:00 am-12:10 pm

1 stop8h 10m

$469

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Tue 8/12

4:03 pm-7:30 am

2 stops13h 27m

Boston Logan Intl

Mon 8/18

5:45 pm-10:39 pm

2 stops30h 54m

$529

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Sat 8/2

6:03 pm-6:01 am

1 stop9h 58m

Boston Logan Intl

Tue 8/12

2:49 pm-10:51 pm

2 stops10h 02m

$553

Idaho FallsPortland

IDA - PWM

IDAPWM

Idaho Falls Fanning Field

Wed 6/25

5:00 am-3:41 pm

1 stop8h 41m

Portland

Sun 6/29

3:37 pm-10:51 pm

1 stop9h 14m

$583

Idaho FallsManchester

IDA - MHT

IDAMHT

Idaho Falls Fanning Field

Fri 8/1

2:38 pm-11:59 pm

2 stops31h 21m

Manchester

Wed 8/13

2:00 pm-10:51 pm

2 stops10h 51m

$624

Idaho FallsManchester

IDA - MHT

IDAMHT

Idaho Falls Fanning Field

Fri 8/1

6:51 am-11:07 pm

2 stops14h 16m

Manchester

Wed 8/13

12:27 pm-12:47 pm

1 stop26h 20m

$777

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Tue 7/29

3:04 pm-12:24 am

1 stop7h 20m

$201

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Sun 8/24

6:13 am-6:00 am

2 stops21h 47m

$252

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 16 results
1
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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.

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 June 12, 2025.
Read through reviews of airlines operating flights from Idaho Falls to New Hampshire, such as Alaska Airlines, Delta and United Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

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

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

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
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

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
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

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

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

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 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.

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

    $201 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on Alaska Airlines and American Airlines, with prices starting from $252 and $281, respectively.

  • 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 - Portland and Idaho Falls Fanning Field - Lebanon Municipal.

  • 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.

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

    Currently, January is the cheapest month in which you can book a flight from Idaho Falls to New Hampshire (average of $334). Flying from Idaho Falls to New Hampshire in July is currently the most expensive (average of $399). 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

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