Idaho Falls

$322+ 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 7/19. Fares are subject to change and may not be available on all flights or dates of travel.
MHT — IDA
Feb 28 — Mar 71
We work with more than 300 partners to bring you better travel deals

Find cheap flights from New Hampshire to Idaho Falls with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 February 23, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$327
(Delta)

One-way from

$322
(United)

Popular in

July

Cheapest in

November

Average price

$684
Provider with most accurate pricing for Boston Logan Intl-Idaho Falls Fanning Field flight deals.
Provider most trusted by Cheapflights users for Boston Logan Intl-Idaho Falls Fanning Field flights.
From New Hampshire to Idaho Falls Fanning Field
One-way flight from New Hampshire to Idaho Falls Fanning Field
Highest demand for flights based on searches. 14% potential increase in price ($121 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
Average for round-trip flights in February 2025

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 February 23, 2025.

This Delta deal was found by Cheapflights users on 2/22. 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 3/266:15 amBOS - IDA
1 stop8h 03mDelta
Wed 4/26:55 pmIDA - BOS
1 stop9h 36mDelta
Deal found 2/22$327
This American Airlines deal was found by Cheapflights users on 2/22. 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 3/188:30 amBOS - IDA
2 stops15h 42mAmerican Airlines
Tue 3/257:47 amIDA - BOS
2 stops12h 51mAmerican Airlines
Deal found 2/22$337
This Alaska Airlines deal was found by Cheapflights users on 2/22. 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 4/147:00 amBOS - IDA
1 stop10h 34mAlaska Airlines
Sat 4/194:11 pmIDA - BOS
1 stop29h 48mAlaska Airlines
Deal found 2/22$484
This United Airlines deal was found by Cheapflights users on 2/22. 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 3/265:30 amBOS - IDA
3 stops13h 33mUnited Airlines
Wed 4/24:15 pmIDA - BOS
2 stops16h 07mUnited Airlines
Deal found 2/22$570

Find flights from New Hampshire to Idaho Falls within your budget

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 February 23, 2025.

Fly from

New Hampshire

Fly to

Idaho Falls

Route

Depart

Return

Price

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Wed 3/26

6:15 am-12:18 pm

1 stop8h 03m

Idaho Falls Fanning Field

Wed 4/2

6:55 pm-6:31 am

1 stop9h 36m

$327

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Tue 3/18

8:30 am-10:12 pm

2 stops15h 42m

Idaho Falls Fanning Field

Tue 3/25

7:47 am-10:38 pm

2 stops12h 51m

$337

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Mon 4/14

7:00 am-3:34 pm

1 stop10h 34m

Idaho Falls Fanning Field

Sat 4/19

4:11 pm-11:59 pm

1 stop29h 48m

$484

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Wed 3/26

5:30 am-5:03 pm

3 stops13h 33m

Idaho Falls Fanning Field

Wed 4/2

4:15 pm-10:22 am

2 stops16h 07m

$570

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Sat 7/19

6:30 pm-9:28 am

2 stops16h 58m

$322

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Tue 3/4

7:00 am-3:30 pm

1 stop10h 30m

$337

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Wed 3/5

6:24 pm-3:30 pm

1 stop23h 06m

$343

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Mon 7/21

1:00 pm-9:01 pm

2 stops10h 01m

$400

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/22

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.

Travel insights for flights from New Hampshire to Idaho Falls

Get recent, data-driven insights about flights from New Hampshire to Idaho Falls including ideal travel times, pricing trends, and more.

Rainfall in Idaho Falls by month

Plan your trip to Idaho Falls by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Idaho Falls ranges from 0.6 - 2.0 inches per month. May is typically the wettest month, when rainfall can reach 2.0 in. July is typically the driest time to visit Idaho Falls when rainfall is around 0.6 in.

Temperature in Idaho Falls by month

Plan your trip to Idaho Falls by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Idaho Falls, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 February 23, 2025.

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.1

Comfort

7.9

Food

7.1

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.1

Comfort

7.9

Food

7.1

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

8.0
Very good

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.1

Comfort

7.9

Food

7.1

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.1

Comfort

7.9

Food

7.1

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.1

Comfort

7.9

Food

7.1

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.1

Comfort

7.9

Food

7.1

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 $322. However, be on the lookout for offers from Hawaiian 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?

  • 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 July is currently the most expensive (average of $628). 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?

Book flights to New Hampshire if you plan to visit one of these locations
Rexburg

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for New Hampshire to Idaho Falls

See prices for flight routes from nearby airports that may be better suited for you.
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.