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Cheap flights from New Hampshire to Idaho Falls from $183

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 9/10. 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
1 adult, Economy, 0 bags

Find the cheapest flights from New Hampshire to Idaho Falls

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
7:00 am - 1:20 pmBOS  Boston Logan Intl-IDA Idaho Falls Fanning Field
8h 20m1 stop Chicago O'Hare Intl
American Airlines Logo
1:50 pm - 10:37 pmIDA  Idaho Falls Fanning Field-BOS Boston Logan Intl
6h 47m1 stop Chicago O'Hare Intl
$379American Airlines
Sat, Oct 24 - Fri, Oct 30
American Airlines Logo
6:00 am - 1:28 pmBOS  Boston Logan Intl-IDA Idaho Falls Fanning Field
9h 28m1 stop Chicago O'Hare Intl
American Airlines Logo
1:50 pm - 11:36 pmIDA  Idaho Falls Fanning Field-BOS Boston Logan Intl
7h 46m1 stop Chicago O'Hare Intl
$379American Airlines
Sat, Oct 3 - Sat, Oct 17
Delta Logo
6:00 am - 12:27 pmBOS  Boston Logan Intl-IDA Idaho Falls Fanning Field
8h 27m1 stop Salt Lake City
Delta Logo
6:45 pm - 6:11 amIDA  Idaho Falls Fanning Field-BOS Boston Logan Intl
9h 26m1 stop Salt Lake City
$379Delta
Tue, Feb 2 - Sun, Feb 7
Delta Logo
6:05 am - 12:15 pmBOS  Boston Logan Intl-IDA Idaho Falls Fanning Field
8h 10m1 stop Salt Lake City
Delta Logo
6:56 pm - 6:20 amIDA  Idaho Falls Fanning Field-BOS Boston Logan Intl
9h 24m1 stop Salt Lake City
$379Delta
Mon, Nov 16 - Sat, Nov 21
Delta Logo
6:05 am - 12:15 pmBOS  Boston Logan Intl-IDA Idaho Falls Fanning Field
8h 10m1 stop Salt Lake City
Delta Logo
6:56 pm - 6:20 amIDA  Idaho Falls Fanning Field-BOS Boston Logan Intl
9h 24m1 stop Salt Lake City
$379Delta
Tue, Nov 17 - Sun, Nov 22
Alaska Airlines Logo
10:03 am - 10:56 pmBOS  Boston Logan Intl-IDA Idaho Falls Fanning Field
14h 53m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
3:57 pm - 6:09 amIDA  Idaho Falls Fanning Field-BOS Boston Logan Intl
12h 12m1 stop Portland
$406Alaska Airlines
Wed, Sep 23 - Tue, Sep 29
United Airlines Logo
6:00 am - 3:24 pmBOS  Boston Logan Intl-IDA Idaho Falls Fanning Field
11h 24m2 stops Newark Denver Intl
United Airlines Logo
2:35 pm - 11:50 pmIDA  Idaho Falls Fanning Field-BOS Boston Logan Intl
7h 15m1 stop Denver Intl
$406United Airlines
Sat, Oct 24 - Fri, Oct 30
American Airlines Logo
6:00 am - 1:28 pmBOS  Boston Logan Intl-IDA Idaho Falls Fanning Field
9h 28m1 stop Chicago O'Hare Intl
American Airlines Logo
1:50 pm - 11:36 pmIDA  Idaho Falls Fanning Field-BOS Boston Logan Intl
7h 46m1 stop Chicago O'Hare Intl
$406American Airlines
Sat, Oct 3 - Sat, Oct 10
Alaska Airlines Logo
4:58 pm - 3:20 pmBOS  Boston Logan Intl-IDA Idaho Falls Fanning Field
24h 22m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
1:58 pm - 7:26 amIDA  Idaho Falls Fanning Field-BOS Boston Logan Intl
15h 28m1 stop Seattle/Tacoma Intl
$436Alaska Airlines
Tue, Oct 6 - Mon, Oct 12
United Airlines Logo
6:01 am - 3:23 pmBOS  Boston Logan Intl-IDA Idaho Falls Fanning Field
11h 22m2 stops Chicago O'Hare Intl Denver Intl
United Airlines Logo
2:25 pm - 11:54 pmIDA  Idaho Falls Fanning Field-BOS Boston Logan Intl
7h 29m1 stop Denver Intl
$444United Airlines
Sat, Aug 29 - Wed, Sep 2

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Delta flights from New Hampshire to Idaho Falls

Our best Delta deals on New Hampshire to Idaho Falls flight tickets
Delta
Nov 17
BOS10:10 amBoston Logan Intl
13h 52m
2 stops
IDA10:02 pmIdaho Falls Fanning Field
Nov 22
IDA6:56 pmIdaho Falls Fanning Field
9h 24m
1 stop
BOS6:20 amBoston Logan Intl
$384
Delta
Nov 17
BOS10:10 amBoston Logan Intl
13h 52m
2 stops
IDA10:02 pmIdaho Falls Fanning Field
Nov 22
IDA6:56 pmIdaho Falls Fanning Field
12h 54m
2 stops
BOS9:50 amBoston Logan Intl
$389
Delta
Aug 22
BOS5:30 amBoston Logan Intl
11h 05m
2 stops
IDA2:35 pmIdaho Falls Fanning Field
Aug 29
IDA6:00 amIdaho Falls Fanning Field
8h 39m
1 stop
BOS4:39 pmBoston Logan Intl
$479

American Airlines flights from New Hampshire to Idaho Falls

Our best American Airlines deals on New Hampshire to Idaho Falls flight tickets
American Airlines
Oct 3
BOS6:00 amBoston Logan Intl
9h 28m
1 stop
IDA1:28 pmIdaho Falls Fanning Field
Oct 17
IDA1:50 pmIdaho Falls Fanning Field
7h 46m
1 stop
BOS11:36 pmBoston Logan Intl
$379
American Airlines
Oct 3
BOS6:00 amBoston Logan Intl
9h 28m
1 stop
IDA1:28 pmIdaho Falls Fanning Field
Oct 10
IDA1:50 pmIdaho Falls Fanning Field
7h 46m
1 stop
BOS11:36 pmBoston Logan Intl
$406
American Airlines
Sep 15
BOS6:00 amBoston Logan Intl
9h 28m
1 stop
IDA1:28 pmIdaho Falls Fanning Field
Sep 22
IDA12:15 pmIdaho Falls Fanning Field
9h 19m
1 stop
BOS11:34 pmBoston Logan Intl
$433

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 August 14, 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

Cheapest round-trip
Quickest round-trip

BostonIdaho Falls

BOS Boston Logan Intl - IDA Idaho Falls Fanning Field

BOSIDA

Boston Logan Intl

Sat 10/24

7:00 am-1:20 pm

1 stop8h 20m

Idaho Falls Fanning Field

Fri 10/30

1:50 pm-10:37 pm

1 stop6h 47m

$379

BostonIdaho Falls

BOS Boston Logan Intl - IDA Idaho Falls Fanning Field

BOSIDA

Boston Logan Intl

Sat 10/3

6:00 am-1:28 pm

1 stop9h 28m

Idaho Falls Fanning Field

Sat 10/17

1:50 pm-11:36 pm

1 stop7h 46m

$379

BostonIdaho Falls

BOS Boston Logan Intl - IDA Idaho Falls Fanning Field

BOSIDA

Boston Logan Intl

Tue 2/2

6:00 am-12:27 pm

1 stop8h 27m

Idaho Falls Fanning Field

Sun 2/7

6:45 pm-6:11 am

1 stop9h 26m

$379

BostonIdaho Falls

BOS Boston Logan Intl - IDA Idaho Falls Fanning Field

BOSIDA

Boston Logan Intl

Mon 11/16

6:05 am-12:15 pm

1 stop8h 10m

Idaho Falls Fanning Field

Sat 11/21

6:56 pm-6:20 am

1 stop9h 24m

$379

BostonIdaho Falls

BOS Boston Logan Intl - IDA Idaho Falls Fanning Field

BOSIDA

Boston Logan Intl

Tue 11/17

6:05 am-12:15 pm

1 stop8h 10m

Idaho Falls Fanning Field

Sun 11/22

6:56 pm-6:20 am

1 stop9h 24m

$379

BostonIdaho Falls

BOS Boston Logan Intl - IDA Idaho Falls Fanning Field

BOSIDA

Boston Logan Intl

Wed 9/23

10:03 am-10:56 pm

1 stop14h 53m

Idaho Falls Fanning Field

Tue 9/29

3:57 pm-6:09 am

1 stop12h 12m

$406

BostonIdaho Falls

BOS Boston Logan Intl - IDA Idaho Falls Fanning Field

BOSIDA

Boston Logan Intl

Sat 10/24

6:00 am-3:24 pm

2 stops11h 24m

Idaho Falls Fanning Field

Fri 10/30

2:35 pm-11:50 pm

1 stop7h 15m

$406

BostonIdaho Falls

BOS Boston Logan Intl - IDA Idaho Falls Fanning Field

BOSIDA

Boston Logan Intl

Sat 10/3

6:00 am-1:28 pm

1 stop9h 28m

Idaho Falls Fanning Field

Sat 10/10

1:50 pm-11:36 pm

1 stop7h 46m

$406

BostonIdaho Falls

BOS Boston Logan Intl - IDA Idaho Falls Fanning Field

BOSIDA

Boston Logan Intl

Tue 10/6

4:58 pm-3:20 pm

1 stop24h 22m

Idaho Falls Fanning Field

Mon 10/12

1:58 pm-7:26 am

1 stop15h 28m

$436

BostonIdaho Falls

BOS Boston Logan Intl - IDA Idaho Falls Fanning Field

BOSIDA

Boston Logan Intl

Sat 8/29

6:01 am-3:23 pm

2 stops11h 22m

Idaho Falls Fanning Field

Wed 9/2

2:25 pm-11:54 pm

1 stop7h 29m

$444

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 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 airline that flies from New Hampshire to Idaho Falls Fanning Field?

Alaska Airlines, United Airlines, and Delta are the most popular carriers operating from New Hampshire to Idaho Falls Fanning Field

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 41m

Direct flights

None
The fastest flight from New Hampshire to Idaho Falls takes 7h 41m
There are no direct flights from New Hampshire to Idaho Falls. There are no popular flight routes from New Hampshire to Idaho Falls.
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Frequently asked questions about flying from New Hampshire to Idaho Falls

  • 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.

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