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New Hampshire

$215+ 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 9/19. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — MHT
Jul 28 — Aug 41
Tue 7/28
Tue 8/4
1 adult, Economy
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Cheap 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 28, 2026.

This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/177:00 pm
IDA
-
BOS
1 stop9h 30m
Delta
Mon 8/247:10 am
BOS
-
IDA
2 stops13h 10m
Delta
Deal found 6/23$374
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/141:43 pm
IDA
-
BOS
1 stop8h 11m
American Airlines
Wed 10/216:00 am
BOS
-
IDA
1 stop9h 44m
American Airlines
Deal found 6/24$396
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.
Sat 12/56:15 am
IDA
-
BOS
1 stop8h 31m
Alaska Airlines
Tue 12/87:08 am
BOS
-
IDA
1 stop10h 21m
Alaska Airlines
Deal found 6/25$419
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/177:00 pm
IDA
-
BOS
1 stop9h 30m
Delta
Tue 8/258:15 am
BOS
-
IDA
2 stops12h 05m
Delta
Deal found 6/23$459
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 8/261:43 pm
IDA
-
BOS
1 stop7h 07m
American Airlines
Mon 8/317:17 pm
BOS
-
IDA
1 stop19h 52m
American Airlines
Deal found 6/25$462
This Alaska Airlines deal was found by Cheapflights users on 6/27. 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.
Thu 9/243:57 pm
IDA
-
BOS
1 stop12h 12m
Alaska Airlines
Wed 9/309:33 am
BOS
-
IDA
1 stop29h 51m
Alaska Airlines
Deal found 6/27$474
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/277:00 am
IDA
-
PWM
2 stops14h 23m
United Airlines
Sat 10/316:00 am
PWM
-
IDA
2 stops11h 23m
United Airlines
Deal found 6/23$489
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.
Sat 12/57:00 am
IDA
-
PWM
2 stops13h 57m
United Airlines
Tue 12/84:48 pm
PWM
-
IDA
2 stops18h 40m
United Airlines
Deal found 6/25$601
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.
Sat 8/157:00 am
IDA
-
MHT
2 stops14h 20m
American Airlines
Sun 8/237:16 am
MHT
-
IDA
1 stop7h 53m
American Airlines
Deal found 6/26$603
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2710:35 am
IDA
-
MHT
2 stops11h 22m
United Airlines
Sat 10/319:25 am
MHT
-
IDA
2 stops27h 28m
United Airlines
Deal found 6/26$656
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 8/141:43 pm
IDA
-
MHT
1 stop7h 46m
American Airlines
Sun 8/237:16 am
MHT
-
IDA
1 stop7h 53m
American Airlines
Deal found 6/26$708
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.
Fri 8/71:43 pm
IDA
-
MHT
1 stop7h 46m
American Airlines
Mon 8/177:16 am
MHT
-
IDA
1 stop7h 53m
American Airlines
Deal found 6/25$767

Find 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 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$374
(Delta)

One-way from

$215
(Expedia)

Popular in

July

Cheapest in

August

Average price

$636
Provider with most accurate pricing for Idaho Falls Fanning Field-Boston Logan Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Idaho Falls Fanning Field-Boston Logan Intl flights.
Search Deals
From Idaho Falls Fanning Field to New Hampshire
Search Deals
One-way flight from Idaho Falls Fanning Field to New Hampshire
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($75 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

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 28, 2026.
Use the filters below to find and compare flights from Idaho Falls to New Hampshire that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Mon 8/17

7:00 pm-6:30 am

1 stop9h 30m

Boston Logan Intl

Mon 8/24

7:10 am-6:20 pm

2 stops13h 10m

$374
Quickest round-trip

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Wed 10/14

1:43 pm-11:54 pm

1 stop8h 11m

Boston Logan Intl

Wed 10/21

6:00 am-1:44 pm

1 stop9h 44m

$396

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Sat 12/5

6:15 am-4:46 pm

1 stop8h 31m

Boston Logan Intl

Tue 12/8

7:08 am-3:29 pm

1 stop10h 21m

$419

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Wed 8/26

1:43 pm-10:50 pm

1 stop7h 07m

Boston Logan Intl

Mon 8/31

7:17 pm-1:09 pm

1 stop19h 52m

$462

Idaho FallsPortland

IDA - PWM

IDAPWM

Idaho Falls Fanning Field

Tue 10/27

7:00 am-11:23 pm

2 stops14h 23m

Portland

Sat 10/31

6:00 am-3:23 pm

2 stops11h 23m

$489

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Thu 9/24

6:57 pm-6:30 am

1 stop9h 33m

Boston Logan Intl

Wed 9/30

5:40 am-12:15 pm

2 stops8h 35m

$541

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Fri 7/10

10:35 am-11:59 pm

2 stops11h 24m

Boston Logan Intl

Tue 7/14

12:22 pm-5:19 pm

1 stop6h 57m

$548

Idaho FallsPortland

IDA - PWM

IDAPWM

Idaho Falls Fanning Field

Sat 12/5

7:00 am-10:57 pm

2 stops13h 57m

Portland

Tue 12/8

4:48 pm-9:28 am

2 stops18h 40m

$601

Idaho FallsManchester

IDA - MHT

IDAMHT

Idaho Falls Fanning Field

Sat 8/15

7:00 am-11:20 pm

2 stops14h 20m

Manchester

Sun 8/23

7:16 am-1:09 pm

1 stop7h 53m

$603

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Sat 12/5

7:00 am-6:49 pm

2 stops9h 49m

Boston Logan Intl

Tue 12/8

6:00 am-5:22 pm

3 stops13h 22m

$611

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/23

Showing 1-10 of 28 resultsSorted by cheapest first
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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.

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.

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

    There are many flights that can get you from Idaho Falls to New Hampshire in 8h 11m. Fly via Delta, American Airlines, or Alaska Airlines to get the fastest option. The distance between Idaho Falls and New Hampshire is about 2056 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 - Manchester and Idaho Falls Fanning Field - Portland.

  • 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.

See more FAQs

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Alternative routes for Idaho Falls to New Hampshire

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