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Cheap flights from New Hampshire to Idaho Falls from $185

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 10/6. 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.
Delta Logo
6:05 am - 12:14 pm
BOS
-
IDA
8h 09m
1 stop
Delta Logo
6:45 pm - 6:11 am
IDA
-
BOS
9h 26m
1 stop
$394Delta
Sat, Oct 3 - Sat, Oct 10
Delta Logo
5:30 am - 2:35 pm
BOS
-
IDA
11h 05m
2 stops
Delta Logo
7:00 pm - 6:30 am
IDA
-
BOS
9h 30m
1 stop
$399Delta
Sat, Aug 22 - Sat, Aug 29
American Airlines Logo
6:00 am - 1:28 pm
BOS
-
IDA
9h 28m
1 stop
American Airlines Logo
1:58 pm - 11:59 pm
IDA
-
BOS
8h 01m
1 stop
$423American Airlines
Sat, Sep 26 - Sat, Oct 3
Delta Logo
6:05 am - 12:14 pm
BOS
-
IDA
8h 09m
1 stop
Delta Logo
6:45 pm - 6:11 am
IDA
-
BOS
9h 26m
1 stop
$434Delta
Sat, Oct 3 - Sat, Oct 10
Delta Logo
2:35 pm - 10:32 pm
BOS
-
IDA
9h 57m
2 stops
Delta Logo
7:00 pm - 6:30 am
IDA
-
BOS
9h 30m
1 stop
$439Delta
Sat, Aug 22 - Sat, Aug 29
American Airlines Logo
6:00 am - 1:28 pm
BOS
-
IDA
9h 28m
1 stop
American Airlines Logo
1:43 pm - 11:54 pm
IDA
-
BOS
8h 11m
1 stop
$455American Airlines
Sat, Oct 3 - Sat, Oct 10
Delta Logo
2:35 pm - 10:32 pm
BOS
-
IDA
9h 57m
2 stops
Delta Logo
7:00 pm - 6:30 am
IDA
-
BOS
9h 30m
1 stop
$464Delta
Sat, Aug 22 - Sat, Aug 29
Alaska Airlines Logo
9:33 am - 1:24 pm
BOS
-
IDA
29h 51m
1 stop
Alaska Airlines Logo
6:18 am - 6:56 pm
IDA
-
BOS
10h 38m
1 stop
$474Alaska Airlines
Sat, Sep 19 - Sat, Sep 26
United Airlines Logo
7:45 am - 3:34 pm
BOS
-
IDA
9h 49m
1 stop
United Airlines Logo
2:30 pm - 1:14 am
IDA
-
BOS
8h 44m
2 stops
$484United Airlines
Thu, Jul 9 - Sat, Jul 11
United Airlines Logo
6:00 am - 3:23 pm
PWM
-
IDA
11h 23m
2 stops
United Airlines Logo
10:35 am - 11:23 pm
IDA
-
PWM
10h 48m
2 stops
$489United Airlines
Tue, Oct 27 - Sat, Oct 31

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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
Oct 3
BOS6:05 amBoston Logan Intl
8h 09m
1 stop
IDA12:14 pmIdaho Falls Fanning Field
Oct 10
IDA6:45 pmIdaho Falls Fanning Field
9h 26m
1 stop
BOS6:11 amBoston Logan Intl
$394
Delta
Aug 22
BOS5:30 amBoston Logan Intl
11h 05m
2 stops
IDA2:35 pmIdaho Falls Fanning Field
Aug 29
IDA7:00 pmIdaho Falls Fanning Field
9h 30m
1 stop
BOS6:30 amBoston Logan Intl
$399
Delta
Oct 3
BOS6:05 amBoston Logan Intl
8h 09m
1 stop
IDA12:14 pmIdaho Falls Fanning Field
Oct 10
IDA6:45 pmIdaho Falls Fanning Field
9h 26m
1 stop
BOS6:11 amBoston Logan Intl
$434

American Airlines flights from New Hampshire to Idaho Falls

Our best American Airlines deals on New Hampshire to Idaho Falls flight tickets
American Airlines
Sep 26
BOS6:00 amBoston Logan Intl
9h 28m
1 stop
IDA1:28 pmIdaho Falls Fanning Field
Oct 3
IDA1:58 pmIdaho Falls Fanning Field
8h 01m
1 stop
BOS11:59 pmBoston Logan Intl
$423
American Airlines
Oct 3
BOS6:00 amBoston Logan Intl
9h 28m
1 stop
IDA1:28 pmIdaho Falls Fanning Field
Oct 10
IDA1:43 pmIdaho Falls Fanning Field
8h 11m
1 stop
BOS11:54 pmBoston Logan Intl
$455
American Airlines
Sep 26
BOS6:00 amBoston Logan Intl
9h 28m
1 stop
IDA1:28 pmIdaho Falls Fanning Field
Oct 3
IDA7:00 amIdaho Falls Fanning Field
13h 24m
2 stops
BOS10:24 pmBoston Logan Intl
$487

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 June 22, 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

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Sat 10/3

6:05 am-12:14 pm

1 stop8h 09m

Idaho Falls Fanning Field

Sat 10/10

6:45 pm-6:11 am

1 stop9h 26m

$394

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Sat 8/22

5:30 am-2:35 pm

2 stops11h 05m

Idaho Falls Fanning Field

Sat 8/29

7:00 pm-6:30 am

1 stop9h 30m

$399
Quickest round-trip

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Sat 9/26

6:00 am-1:28 pm

1 stop9h 28m

Idaho Falls Fanning Field

Sat 10/3

1:58 pm-11:59 pm

1 stop8h 01m

$423

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Sat 10/3

6:05 am-12:14 pm

1 stop8h 09m

Idaho Falls Fanning Field

Sat 10/10

6:45 pm-6:11 am

1 stop9h 26m

$434

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Sat 8/22

2:35 pm-10:32 pm

2 stops9h 57m

Idaho Falls Fanning Field

Sat 8/29

7:00 pm-6:30 am

1 stop9h 30m

$439

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Sat 10/3

6:00 am-1:28 pm

1 stop9h 28m

Idaho Falls Fanning Field

Sat 10/10

1:43 pm-11:54 pm

1 stop8h 11m

$455

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Sat 8/22

2:35 pm-10:32 pm

2 stops9h 57m

Idaho Falls Fanning Field

Sat 8/29

7:00 pm-6:30 am

1 stop9h 30m

$464

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Sat 9/19

9:33 am-1:24 pm

1 stop29h 51m

Idaho Falls Fanning Field

Sat 9/26

6:18 am-6:56 pm

1 stop10h 38m

$474

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Thu 7/9

7:45 am-3:34 pm

1 stop9h 49m

Idaho Falls Fanning Field

Sat 7/11

2:30 pm-1:14 am

2 stops8h 44m

$484

PortlandIdaho Falls

PWM - IDA

PWMIDA

Portland

Tue 10/27

6:00 am-3:23 pm

2 stops11h 23m

Idaho Falls Fanning Field

Sat 10/31

10:35 am-11:23 pm

2 stops10h 48m

$489

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

Can stopping save me money on New Hampshire to Idaho Falls flights?

You could potentially save up to 55% on your flight if you consider stops on a New Hampshire to Idaho Falls flight.

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 30m

Direct flights

None
The fastest flight from New Hampshire to Idaho Falls takes 7h 30m
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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