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Cheap flights from Idaho Falls to New Hampshire from $217

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho Falls to New Hampshire departing on 11/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Idaho Falls to New Hampshire

Cheap round-trip flights

Delta Logo
6:53 pm - 6:40 amIDA-BOS
9h 47m1 stop
Delta Logo
5:15 am - 11:33 amBOS-IDA
8h 18m1 stop
$421Delta
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Wed, Oct 29 - Sun, Nov 2
Alaska Airlines Logo
6:05 am - 12:20 amIDA-BOS
16h 15m1 stop
Alaska Airlines Logo
7:00 am - 11:59 pmBOS-IDA
18h 59m1 stop
$422Alaska Airlines
Find Deal
Sat, Nov 1 - Tue, Nov 4
Delta Logo
6:45 pm - 6:13 amIDA-BOS
9h 28m1 stop
Delta Logo
12:55 pm - 10:21 pmBOS-IDA
11h 26m2 stops
$426Delta
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Tue, Mar 10 - Wed, Mar 11
Delta Logo
6:53 pm - 6:40 amIDA-BOS
9h 47m1 stop
Delta Logo
10:25 am - 6:13 pmBOS-IDA
9h 48m1 stop
$431Delta
Find Deal
Mon, Oct 27 - Wed, Nov 5
American Airlines Logo
7:10 am - 10:53 pmIDA-BOS
13h 43m2 stops
American Airlines Logo
5:30 am - 1:27 pmBOS-IDA
9h 57m1 stop
$441American Airlines
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Sat, Nov 15 - Sun, Nov 16
United Airlines Logo
4:15 pm - 5:56 amIDA-BOS
11h 41m1 stop
United Airlines Logo
7:25 am - 10:48 amBOS-IDA
29h 23m1 stop
$493United Airlines
Find Deal
Mon, Oct 27 - Sat, Nov 1
United Airlines Logo
8:30 am - 11:39 pmIDA-BOS
13h 09m1 stop
United Airlines Logo
5:30 am - 3:16 pmBOS-IDA
11h 46m2 stops
$512United Airlines
Find Deal
Wed, Oct 29 - Wed, Nov 5
American Airlines Logo
12:41 pm - 9:03 pmIDA-BOS
6h 22m1 stop
American Airlines Logo
6:57 am - 12:25 pmBOS-IDA
7h 28m1 stop
$581American Airlines
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Thu, Oct 2 - Mon, Oct 6
Multiple Airlines Logo
9:57 am - 10:41 amIDA-BOS
22h 44m2 stops
Multiple Airlines Logo
10:25 am - 8:23 pmBOS-IDA
11h 58m2 stops
$584Multiple Airlines
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Fri, Oct 31 - Sun, Nov 2
Multiple Airlines Logo
3:57 pm - 1:44 pmIDA-LEB
19h 47m2 stops
Multiple Airlines Logo
7:08 am - 10:38 pmLEB-IDA
17h 30m2 stops
$1,293Multiple Airlines
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Wed, Oct 1 - Sat, Oct 4

United Airlines flights from Idaho Falls to New Hampshire

Our best United Airlines deals on Idaho Falls to New Hampshire flight tickets
United Airlines
Oct 27
IDA4:15 pmIdaho Falls Fanning Field
11h 41m
1 stop
BOS5:56 amBoston Logan Intl
Nov 1
BOS7:25 amBoston Logan Intl
29h 23m
1 stop
IDA10:48 amIdaho Falls Fanning Field
$493
Find similar
United Airlines
Oct 29
IDA8:30 amIdaho Falls Fanning Field
13h 09m
1 stop
BOS11:39 pmBoston Logan Intl
Nov 5
BOS5:30 amBoston Logan Intl
11h 46m
2 stops
IDA3:16 pmIdaho Falls Fanning Field
$512
Find similar
United Airlines
Mar 10
IDA2:35 pmIdaho Falls Fanning Field
7h 07m
1 stop
BOS11:42 pmBoston Logan Intl
Mar 11
BOS11:55 amBoston Logan Intl
7h 27m
1 stop
IDA5:22 pmIdaho Falls Fanning Field
$521
Find similar

Delta flights from Idaho Falls to New Hampshire

Our best Delta deals on Idaho Falls to New Hampshire flight tickets
Delta
Oct 29
IDA6:53 pmIdaho Falls Fanning Field
9h 47m
1 stop
BOS6:40 amBoston Logan Intl
Nov 2
BOS5:15 amBoston Logan Intl
8h 18m
1 stop
IDA11:33 amIdaho Falls Fanning Field
$421
Find similar
Delta
Mar 10
IDA6:45 pmIdaho Falls Fanning Field
9h 28m
1 stop
BOS6:13 amBoston Logan Intl
Mar 11
BOS12:55 pmBoston Logan Intl
11h 26m
2 stops
IDA10:21 pmIdaho Falls Fanning Field
$426
Find similar
Delta
Oct 27
IDA6:53 pmIdaho Falls Fanning Field
9h 47m
1 stop
BOS6:40 amBoston Logan Intl
Nov 5
BOS10:25 amBoston Logan Intl
9h 48m
1 stop
IDA6:13 pmIdaho Falls Fanning Field
$431
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated September 19, 2025.
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

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Wed 10/29

6:53 pm-6:40 am

1 stop9h 47m

Boston Logan Intl

Sun 11/2

5:15 am-11:33 am

1 stop8h 18m

$421

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Sat 11/1

6:05 am-12:20 am

1 stop16h 15m

Boston Logan Intl

Tue 11/4

7:00 am-11:59 pm

1 stop18h 59m

$422

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Tue 3/10

6:45 pm-6:13 am

1 stop9h 28m

Boston Logan Intl

Wed 3/11

12:55 pm-10:21 pm

2 stops11h 26m

$426

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Mon 10/27

6:53 pm-6:40 am

1 stop9h 47m

Boston Logan Intl

Wed 11/5

10:25 am-6:13 pm

1 stop9h 48m

$431

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Sat 11/15

7:10 am-10:53 pm

2 stops13h 43m

Boston Logan Intl

Sun 11/16

5:30 am-1:27 pm

1 stop9h 57m

$441

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Mon 10/27

4:15 pm-5:56 am

1 stop11h 41m

Boston Logan Intl

Sat 11/1

7:25 am-10:48 am

1 stop29h 23m

$493

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Wed 10/29

8:30 am-11:39 pm

1 stop13h 09m

Boston Logan Intl

Wed 11/5

5:30 am-3:16 pm

2 stops11h 46m

$512

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Thu 10/2

12:41 pm-9:03 pm

1 stop6h 22m

Boston Logan Intl

Mon 10/6

6:57 am-12:25 pm

1 stop7h 28m

$581

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Fri 10/31

9:57 am-10:41 am

2 stops22h 44m

Boston Logan Intl

Sun 11/2

10:25 am-8:23 pm

2 stops11h 58m

$584

Idaho FallsLebanon

IDA - LEB

IDALEB

Idaho Falls Fanning Field

Wed 10/1

3:57 pm-1:44 pm

2 stops19h 47m

Lebanon Municipal

Sat 10/4

7:08 am-10:38 pm

2 stops17h 30m

$1,293

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to New Hampshire from

How to get the cheapest flight ticket from Idaho Falls to New Hampshire

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to New Hampshire?

The month of April is another great option to travel to New Hampshire, with average flight prices from Idaho Falls averaging around $483.

What is the cheapest day to depart on your flight to New Hampshire?

The cheapest day to depart on your flight to New Hampshire is on a Sunday when prices can be found for as low as $575. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to New Hampshire is Thursday, with ticket prices averaging around $816.

What is the cheapest time of day to depart on your flight to New Hampshire?

According to our data, the cheapest time of day to fly to New Hampshire is in the evening. momondo users have found flights departing from Idaho Falls to New Hampshire in the evening for as low as $562. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the morning because they tend to be around $930. Of course, these prices can vary depending on the time of year and what airport you fly to.

Cheap Idaho Falls to New Hampshire flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Idaho Falls to New Hampshire

Direct flights

None
There are no direct flights from Idaho Falls to New Hampshire. There are no popular flight routes from Idaho Falls to New Hampshire.
Search flight deals

  • When did momondo last update prices for flights from Idaho Falls Fanning Field Airport to New Hampshire?

    Prices for flights from Idaho Falls Fanning Field Airport to New Hampshire are refreshed on a daily basis.

  • How many operators does momondo search for flights from Idaho Falls Fanning Field Airport to New Hampshire?

  • How old do you have to be to fly from Idaho Falls Fanning Field Airport to New Hampshire?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Idaho Falls Fanning Field Airport to New Hampshire.

  • What documentation or ID do you need to fly to New Hampshire?

    The travel and health documents you'll need for your trip to New Hampshire may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at New Hampshire. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Idaho Falls to New Hampshire?

Finding the right flight to New Hampshire from Idaho Falls is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to New Hampshire quick and easy, saving you time and money.

Can I find flights from Idaho Falls to New Hampshire with flexible booking policies on momondo?

Yes. All flights to New Hampshire from Idaho Falls on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Idaho Falls to New Hampshire?

momondo provides multiple filters to help you find the best flight to New Hampshire from Idaho Falls. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Idaho Falls to New Hampshire right now. Can momondo alert me if prices change?

Price alerts on flights to New Hampshire from Idaho Falls are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your New Hampshire trip

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