Latest deals
Insights
FAQs
Price Alerts

Cheap flights from New Hampshire to Idaho Falls from $200

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from New Hampshire to Idaho Falls departing on 3/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from New Hampshire to Idaho Falls

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
6:00 am - 1:17 pm
BOS
-
IDA
9h 17m
1 stop
Alaska Airlines Logo
6:00 am - 6:11 pm
IDA
-
BOS
10h 11m
1 stop
$359Alaska Airlines
Wed, May 27 - Tue, Jun 2
Alaska Airlines Logo
7:00 am - 4:43 pm
BOS
-
IDA
11h 43m
1 stop
Alaska Airlines Logo
5:20 pm - 6:54 am
IDA
-
BOS
11h 34m
1 stop
$381Alaska Airlines
Wed, Mar 11 - Tue, Mar 17
American Airlines Logo
6:00 am - 1:23 pm
BOS
-
IDA
9h 23m
2 stops
American Airlines Logo
12:36 pm - 10:29 am
IDA
-
BOS
19h 53m
1 stop
$408American Airlines
Wed, May 27 - Tue, Jun 2
American Airlines Logo
5:30 am - 1:48 pm
BOS
-
IDA
10h 18m
1 stop
American Airlines Logo
2:18 pm - 7:13 am
IDA
-
BOS
14h 55m
2 stops
$412American Airlines
Wed, Mar 11 - Tue, Mar 17
American Airlines Logo
12:26 pm - 11:24 pm
BOS
-
IDA
12h 58m
2 stops
American Airlines Logo
2:18 pm - 7:13 am
IDA
-
BOS
14h 55m
2 stops
$417American Airlines
Wed, Mar 11 - Tue, Mar 17
Delta Logo
6:25 pm - 10:39 am
BOS
-
IDA
18h 14m
1 stop
Delta Logo
6:50 pm - 6:09 am
IDA
-
BOS
9h 19m
1 stop
$422Delta
Sat, Aug 22 - Sat, Aug 29
American Airlines Logo
5:29 am - 12:10 pm
BOS
-
IDA
8h 41m
1 stop
American Airlines Logo
12:46 pm - 12:02 am
IDA
-
BOS
9h 16m
1 stop
$424American Airlines
Sun, Aug 23 - Sat, Aug 29
Delta Logo
6:15 am - 12:27 pm
BOS
-
IDA
8h 12m
1 stop
Delta Logo
6:58 pm - 6:00 am
IDA
-
BOS
9h 02m
1 stop
$425Delta
Wed, Apr 8 - Wed, Apr 15
United Airlines Logo
7:00 am - 1:30 pm
BOS
-
IDA
8h 30m
1 stop
United Airlines Logo
2:35 pm - 11:53 pm
IDA
-
BOS
7h 18m
1 stop
$430United Airlines
Thu, Mar 19 - Wed, Mar 25
United Airlines Logo
2:19 pm - 9:56 am
MHT
-
IDA
21h 37m
2 stops
United Airlines Logo
2:35 pm - 1:44 pm
IDA
-
MHT
21h 09m
2 stops
$677United Airlines
Tue, Mar 17 - Wed, Mar 25

Alaska Airlines flights from New Hampshire to Idaho Falls

Our best Alaska Airlines deals on New Hampshire to Idaho Falls flight tickets
Alaska Airlines
May 27
BOS6:00 amBoston Logan Intl
9h 17m
1 stop
IDA1:17 pmIdaho Falls Fanning Field
Jun 2
IDA6:00 amIdaho Falls Fanning Field
10h 11m
1 stop
BOS6:11 pmBoston Logan Intl
$359
Alaska Airlines
Mar 11
BOS7:00 amBoston Logan Intl
11h 43m
1 stop
IDA4:43 pmIdaho Falls Fanning Field
Mar 17
IDA5:20 pmIdaho Falls Fanning Field
11h 34m
1 stop
BOS6:54 amBoston Logan Intl
$381
Alaska Airlines
May 1
BOS6:42 pmBoston Logan Intl
22h 47m
1 stop
IDA3:29 pmIdaho Falls Fanning Field
May 15
IDA4:03 pmIdaho Falls Fanning Field
12h 17m
1 stop
BOS6:20 amBoston Logan Intl
$434

United Airlines flights from New Hampshire to Idaho Falls

Our best United Airlines deals on New Hampshire to Idaho Falls flight tickets
United Airlines
Mar 19
BOS7:00 amBoston Logan Intl
8h 30m
1 stop
IDA1:30 pmIdaho Falls Fanning Field
Mar 25
IDA2:35 pmIdaho Falls Fanning Field
7h 18m
1 stop
BOS11:53 pmBoston Logan Intl
$430
United Airlines
Mar 3
BOS6:00 amBoston Logan Intl
11h 40m
2 stops
IDA3:40 pmIdaho Falls Fanning Field
Mar 10
IDA2:35 pmIdaho Falls Fanning Field
7h 18m
1 stop
BOS11:53 pmBoston Logan Intl
$444
United Airlines
Mar 8
BOS7:00 amBoston Logan Intl
8h 30m
1 stop
IDA1:30 pmIdaho Falls Fanning Field
Mar 11
IDA6:36 amIdaho Falls Fanning Field
7h 07m
1 stop
BOS3:43 pmBoston Logan Intl
$481

momondo Fare Finder

 
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, momondo users made 832,500 searches. Data last updated February 24, 2026.
Use the filters below to find and compare flights from New Hampshire to Idaho Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Wed 5/27

6:00 am-1:17 pm

1 stop9h 17m

Idaho Falls Fanning Field

Tue 6/2

6:00 am-6:11 pm

1 stop10h 11m

$359

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Wed 3/11

7:00 am-4:43 pm

1 stop11h 43m

Idaho Falls Fanning Field

Tue 3/17

5:20 pm-6:54 am

1 stop11h 34m

$381

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Wed 5/27

6:00 am-1:23 pm

2 stops9h 23m

Idaho Falls Fanning Field

Tue 6/2

12:36 pm-10:29 am

1 stop19h 53m

$408

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Wed 3/11

5:30 am-1:48 pm

1 stop10h 18m

Idaho Falls Fanning Field

Tue 3/17

2:18 pm-7:13 am

2 stops14h 55m

$412

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Wed 3/11

12:26 pm-11:24 pm

2 stops12h 58m

Idaho Falls Fanning Field

Tue 3/17

2:18 pm-7:13 am

2 stops14h 55m

$417

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Sat 8/22

6:25 pm-10:39 am

1 stop18h 14m

Idaho Falls Fanning Field

Sat 8/29

6:50 pm-6:09 am

1 stop9h 19m

$422

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Sun 8/23

5:29 am-12:10 pm

1 stop8h 41m

Idaho Falls Fanning Field

Sat 8/29

12:46 pm-12:02 am

1 stop9h 16m

$424

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Wed 4/8

6:15 am-12:27 pm

1 stop8h 12m

Idaho Falls Fanning Field

Wed 4/15

6:58 pm-6:00 am

1 stop9h 02m

$425

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Thu 3/19

7:00 am-1:30 pm

1 stop8h 30m

Idaho Falls Fanning Field

Wed 3/25

2:35 pm-11:53 pm

1 stop7h 18m

$430

ManchesterIdaho Falls

MHT - IDA

MHTIDA

Manchester

Tue 3/17

2:19 pm-9:56 am

2 stops21h 37m

Idaho Falls Fanning Field

Wed 3/25

2:35 pm-1:44 pm

2 stops21h 09m

$677

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Idaho Falls from

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

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 Idaho Falls?

If you aren’t able to travel to Idaho Falls during the month of October, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $440.

Cheap New Hampshire to Idaho Falls flight deals and tips

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

Fastest flight time

7h 40m

Direct flights

None
The fastest flight from New Hampshire to Idaho Falls takes 7h 40m
There are no direct flights from New Hampshire to Idaho Falls. There are no popular flight routes from New Hampshire to Idaho Falls.
Search flight deals

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

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

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

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

    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 New Hampshire to Idaho Falls Fanning Field Airport.

  • What documentation or ID do you need to fly to Idaho Falls Fanning Field Airport?

    The travel and health documents required for your trip to Idaho Falls Fanning Field Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Idaho Falls Fanning Field Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near Idaho Falls?

Book flights to Idaho Falls if you plan to visit one of these locations
Rexburg

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from New Hampshire to Idaho Falls for you.

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

Yes. momondo allows you to filter the results for New Hampshire to Idaho Falls flights to just show those with flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from New Hampshire to Idaho Falls.

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

If you are simply researching potential flights to Idaho Falls, momondo offers a useful price alert feature which will track prices for flights to Idaho Falls from New Hampshire and alert you when they change.

An easier way to manage your Idaho Falls trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 3/26
Thu 4/2
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States