What is the cheapest airline that flies from New Hampshire to Idaho Falls Fanning Field?

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

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?

There are 4 operators available for flights from New Hampshire to Idaho Falls Fanning Field Airport as of September 2025.

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.

$216 Cheap Flights from New Hampshire to Idaho Falls in 2025/26

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Find the cheapest flights from New Hampshire to Idaho Falls

Round-trip

One-way

Cheap round-trip flights

5:24 am - 12:24 pmBOS-IDA

9h 00m1 stop

12:55 pm - 11:54 pmIDA-BOS

8h 59m1 stop

$421American Airlines

Find Deal

Wed, Oct 15 - Wed, Oct 22

5:24 am - 12:24 pmBOS-IDA

9h 00m1 stop

1:11 pm - 11:54 pmIDA-BOS

8h 43m1 stop

$446American Airlines

Find Deal

Wed, Oct 15 - Mon, Oct 20

6:00 am - 1:33 pmBOS-IDA

33h 33m2 stops

6:53 pm - 6:40 amIDA-BOS

9h 47m1 stop

$456Delta

Find Deal

Sat, Nov 1 - Fri, Nov 7

6:00 am - 1:33 pmBOS-IDA

9h 33m2 stops

5:00 am - 5:02 pmIDA-BOS

10h 02m2 stops

$464United Airlines

Find Deal

Wed, Oct 15 - Wed, Oct 22

7:00 am - 3:23 pmBOS-IDA

10h 23m1 stop

4:00 pm - 7:16 amIDA-BOS

13h 16m1 stop

$476Hawaiian Airlines

Find Deal

Tue, Mar 3 - Wed, Mar 4

5:55 pm - 3:23 pmBOS-IDA

23h 28m1 stop

8:00 am - 11:59 pmIDA-BOS

13h 59m1 stop

$480Alaska Airlines

Find Deal

Thu, Mar 5 - Mon, Mar 9

9:00 am - 4:32 pmBOS-IDA

9h 32m2 stops

7:06 pm - 6:30 amIDA-BOS

9h 24m1 stop

$481Delta

Find Deal

Thu, Nov 27 - Tue, Dec 2

8:00 am - 4:32 pmBOS-IDA

10h 32m2 stops

7:06 pm - 6:30 amIDA-BOS

9h 24m1 stop

$491Delta

Find Deal

Thu, Nov 27 - Tue, Dec 2

4:51 pm - 9:48 amPWM-IDA

18h 57m2 stops

7:00 am - 3:48 pmIDA-PWM

6h 48m1 stop

$496United Airlines

Find Deal

Tue, Oct 28 - Sat, Nov 1

4:20 pm - 10:38 pmBOS-IDA

32h 18m2 stops

4:00 pm - 7:16 amIDA-BOS

13h 16m1 stop

$512Alaska Airlines

Find Deal

Thu, Mar 5 - Mon, Mar 9

United Airlines flights from New Hampshire to Idaho Falls

Our best United Airlines deals on New Hampshire to Idaho Falls flight tickets

United Airlines

Oct 15

BOS6:00 amBoston Logan Intl

9h 33m

2 stops

IDA1:33 pmIdaho Falls Fanning Field

Oct 22

IDA5:00 amIdaho Falls Fanning Field

10h 02m

2 stops

BOS5:02 pmBoston Logan Intl

$464

Find similar

United Airlines

Oct 28

PWM4:51 pmPortland

18h 57m

2 stops

IDA9:48 amIdaho Falls Fanning Field

Nov 1

IDA7:00 amIdaho Falls Fanning Field

6h 48m

1 stop

PWM3:48 pmPortland

$496

Find similar

United Airlines

Nov 1

BOS9:20 amBoston Logan Intl

13h 43m

1 stop

IDA9:03 pmIdaho Falls Fanning Field

Nov 6

IDA4:15 pmIdaho Falls Fanning Field

11h 41m

1 stop

BOS5:56 amBoston Logan Intl

$498

Find similar

Alaska Airlines flights from New Hampshire to Idaho Falls

Our best Alaska Airlines deals on New Hampshire to Idaho Falls flight tickets

Alaska Airlines

Mar 5

BOS5:55 pmBoston Logan Intl

23h 28m

1 stop

IDA3:23 pmIdaho Falls Fanning Field

Mar 9

IDA8:00 amIdaho Falls Fanning Field

13h 59m

1 stop

BOS11:59 pmBoston Logan Intl

$480

Find similar

Alaska Airlines

Mar 5

BOS4:20 pmBoston Logan Intl

32h 18m

2 stops

IDA10:38 pmIdaho Falls Fanning Field

Mar 9

IDA4:00 pmIdaho Falls Fanning Field

13h 16m

1 stop

BOS7:16 amBoston Logan Intl

$512

Find similar

Alaska Airlines

Feb 23

BOS4:20 pmBoston Logan Intl

32h 18m

2 stops

IDA10:38 pmIdaho Falls Fanning Field

Mar 1

IDA4:00 pmIdaho Falls Fanning Field

13h 16m

1 stop

BOS7:16 amBoston Logan Intl

$514

Find similar

momondo Fare Finder

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 10/15

5:24 am-12:24 pm

1 stop9h 00m

Idaho Falls Fanning Field

Wed 10/22

12:55 pm-11:54 pm

1 stop8h 59m

$421

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Wed 10/15

5:24 am-12:24 pm

1 stop9h 00m

Idaho Falls Fanning Field

Mon 10/20

1:11 pm-11:54 pm

1 stop8h 43m

$446

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Sat 11/1

6:00 am-1:33 pm

2 stops33h 33m

Idaho Falls Fanning Field

Fri 11/7

6:53 pm-6:40 am

1 stop9h 47m

$456

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Wed 10/15

6:00 am-1:33 pm

2 stops9h 33m

Idaho Falls Fanning Field

Wed 10/22

5:00 am-5:02 pm

2 stops10h 02m

$464

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Tue 3/3

7:00 am-3:23 pm

1 stop10h 23m

Idaho Falls Fanning Field

Wed 3/4

4:00 pm-7:16 am

1 stop13h 16m

$476

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Thu 3/5

5:55 pm-3:23 pm

1 stop23h 28m

Idaho Falls Fanning Field

Mon 3/9

8:00 am-11:59 pm

1 stop13h 59m

$480

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Thu 11/27

9:00 am-4:32 pm

2 stops9h 32m

Idaho Falls Fanning Field

Tue 12/2

7:06 pm-6:30 am

1 stop9h 24m

$481

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Thu 11/27

8:00 am-4:32 pm

2 stops10h 32m

Idaho Falls Fanning Field

Tue 12/2

7:06 pm-6:30 am

1 stop9h 24m

$491

PortlandIdaho Falls

PWM - IDA

PWMIDA

Portland

Tue 10/28

4:51 pm-9:48 am

2 stops18h 57m

Idaho Falls Fanning Field

Sat 11/1

7:00 am-3:48 pm

1 stop6h 48m

$496

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Thu 3/5

4:20 pm-10:38 pm

2 stops32h 18m

Idaho Falls Fanning Field

Mon 3/9

4:00 pm-7:16 am

1 stop13h 16m

$512

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

What is the cheapest month to fly to Idaho Falls?

If you aren’t able to travel to Idaho Falls during the month of September, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $447.

What is the cheapest day to depart on your flight to Idaho Falls?

Our data shows that Tuesday is the least expensive day to fly to Idaho Falls. Tickets to fly out on this day can be as low as $618. Be sure to avoid booking your departure on a Wednesday as prices are generally higher than usual. According to our data, the average ticket price to Idaho Falls on Wednesday is $865.

What is the cheapest time of day to depart on your flight to Idaho Falls?

Our most recent data shows that the best time of day to fly to Idaho Falls is in the evening. Flights from New Hampshire to Idaho Falls during this time can be as low as $523. Try not to purchase tickets in the morning because they tend to be around $789. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

Direct flights	None

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?
There are 4 operators available for flights from New Hampshire to Idaho Falls Fanning Field Airport as of September 2025.
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.

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

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Sat 10/18

Sat 10/25

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Cheap flights from New Hampshire to Idaho Falls from $216

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 11/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from New Hampshire to Idaho Falls

Cheap round-trip flights

Cheap one-way flights

United Airlines flights from New Hampshire to Idaho Falls

Our best United Airlines deals on New Hampshire to Idaho Falls flight tickets

Alaska Airlines flights from New Hampshire to Idaho Falls

Our best Alaska Airlines deals on New Hampshire to Idaho Falls flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from New Hampshire to Idaho Falls that are best for you.

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 September, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $447.

What is the cheapest day to depart on your flight to Idaho Falls?

What is the cheapest time of day to depart on your flight to Idaho Falls?

What is the cheapest airline that flies from New Hampshire to Idaho Falls Fanning Field?

American Airlines, Hawaiian Airlines, and Alaska Airlines 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

Direct flights

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

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?

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

Traveling to a place near Idaho Falls?

Why use momondo?

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

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

How can momondo help me find flights 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?

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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Idaho