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New Hampshire

$185+ 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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — MHT
May 21 — May 281
Thu 5/21
Thu 5/28
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 April 21, 2026.

This American Airlines deal was found by Cheapflights users on 4/17. 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 10/215:24 am
BOS
-
IDA
1 stop8h 56m
American Airlines
Deal found 4/17$369
This Expedia deal was found by Cheapflights users on 4/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/44:14 pm
IDA
-
BOS
1 stop12h 06m
Alaska Airlines
Tue 8/117:44 pm
BOS
-
IDA
1 stop21h 53m
Alaska Airlines
Deal found 4/16$409
This Delta deal was found by Cheapflights users on 4/17. 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 5/26:58 pm
IDA
-
BOS
1 stop9h 02m
Delta
Wed 5/66:15 am
BOS
-
IDA
1 stop8h 11m
Delta
Deal found 4/17$429
This Delta deal was found by Cheapflights users on 4/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/176:54 pm
IDA
-
BOS
1 stop9h 26m
Delta
Sun 5/2411:20 am
BOS
-
IDA
2 stops13h 22m
Delta
Deal found 4/19$433
This Alaska Airlines deal was found by Cheapflights users on 4/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/186:00 am
IDA
-
BOS
1 stop10h 11m
Alaska Airlines
Mon 5/256:00 am
BOS
-
IDA
1 stop9h 17m
Alaska Airlines
Deal found 4/20$449
This American Airlines deal was found by Cheapflights users on 4/17. 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 7/112:44 pm
IDA
-
BOS
1 stop9h 30m
American Airlines
Tue 7/75:00 am
BOS
-
IDA
1 stop10h 24m
American Airlines
Deal found 4/17$455
This Alaska Airlines deal was found by Cheapflights users on 4/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/241:45 pm
IDA
-
BOS
1 stop15h 54m
Alaska Airlines
Wed 9/309:30 am
BOS
-
IDA
1 stop29h 36m
Alaska Airlines
Deal found 4/20$469
This United Airlines deal was found by Cheapflights users on 4/17. 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 5/22:31 pm
IDA
-
BOS
1 stop7h 28m
United Airlines
Wed 5/66:00 am
BOS
-
IDA
2 stops11h 43m
United Airlines
Deal found 4/17$471
This American Airlines deal was found by Cheapflights users on 4/20. 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.
Wed 5/207:48 am
IDA
-
BOS
2 stops14h 16m
American Airlines
Wed 5/2712:20 pm
BOS
-
IDA
2 stops11h 55m
American Airlines
Deal found 4/20$472
This American Airlines deal was found by Cheapflights users on 4/16. 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 8/47:00 am
IDA
-
BOS
2 stops13h 29m
American Airlines
Tue 8/115:29 am
BOS
-
IDA
1 stop8h 41m
American Airlines
Deal found 4/16$487
This American Airlines deal was found by Cheapflights users on 4/17. 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 9/412:46 pm
IDA
-
PWM
1 stop7h 59m
American Airlines
Tue 9/87:37 am
PWM
-
IDA
2 stops15h 43m
American Airlines
Deal found 4/17$639
This United Airlines deal was found by Cheapflights users on 4/17. 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 5/210:40 am
IDA
-
PWM
2 stops11h 19m
United Airlines
Wed 5/66:00 am
PWM
-
IDA
2 stops11h 43m
United Airlines
Deal found 4/17$719

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 April 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$369
(American Airlines)

One-way from

$185
(Alaska Airlines)

Popular in

June

Cheapest in

March

Average price

$766
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. 12% potential increase in price ($85 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 April 21, 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

Wed 10/14

1:43 pm-11:54 pm

1 stop8h 11m

Boston Logan Intl

Wed 10/21

12:37 pm-9:22 pm

2 stops10h 45m

$401

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Sat 5/2

6:58 pm-6:00 am

1 stop9h 02m

Boston Logan Intl

Wed 5/6

6:15 am-12:26 pm

1 stop8h 11m

$429

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Sun 5/17

6:54 pm-6:20 am

1 stop9h 26m

Boston Logan Intl

Sun 5/24

11:20 am-10:42 pm

2 stops13h 22m

$433

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Thu 9/24

6:18 am-6:59 pm

1 stop10h 41m

Boston Logan Intl

Wed 9/30

9:30 am-1:08 pm

1 stop29h 38m

$469

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Fri 9/4

6:50 pm-6:09 am

1 stop9h 19m

Boston Logan Intl

Mon 9/7

6:00 am-2:27 pm

1 stop10h 27m

$487

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Mon 5/18

4:03 pm-6:11 pm

2 stops24h 08m

Boston Logan Intl

Mon 5/25

6:00 am-1:17 pm

1 stop9h 17m

$491

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Wed 5/6

6:58 pm-6:00 am

1 stop9h 02m

Boston Logan Intl

Sun 5/10

7:15 am-6:14 pm

2 stops12h 59m

$494

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Tue 7/7

7:00 am-4:55 pm

1 stop7h 55m

Boston Logan Intl

Fri 7/10

5:00 am-1:24 pm

1 stop10h 24m

$522

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Thu 9/24

12:12 pm-11:55 pm

1 stop9h 43m

Boston Logan Intl

Wed 9/30

10:40 am-9:22 pm

2 stops12h 42m

$547

Idaho FallsPortland

IDA - PWM

IDAPWM

Idaho Falls Fanning Field

Fri 9/4

12:46 pm-10:45 pm

1 stop7h 59m

Portland

Tue 9/8

7:37 am-9:20 pm

2 stops15h 43m

$639

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Showing 1-10 of 34 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 American Airlines, Delta, 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

See prices for flight routes from nearby airports that may be better suited for you.
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