What is the cheapest airline that flies from Boston Logan Intl to Idaho Falls Fanning Field?

Alaska Airlines and United Airlines are the most popular carriers operating from Boston Logan Intl to Idaho Falls Fanning Field

What airlines fly to Idaho Falls?

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Idaho Falls from Boston according to our data. American Airlines is the first choice among our users, with 48% of people opting to fly with this airline when traveling to Idaho Falls. Keep in mind that there are 4 different airlines that fly to Idaho Falls on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Boston Logan Intl Airport to Idaho Falls Fanning Field Airport?

Prices for flights from Boston Logan Intl Airport to Idaho Falls Fanning Field Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Boston Logan Intl Airport to Idaho Falls Fanning Field Airport?

The number of operators available for flights from Boston Logan Intl Airport to Idaho Falls Fanning Field Airport is 4 as of November 2026.

How old do you have to be to fly from Boston Logan Intl Airport to Idaho Falls Fanning Field Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Boston Logan Intl Airport 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 you'll need for your trip to Idaho Falls Fanning Field Airport 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 Idaho Falls Fanning Field Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$200 Cheap Flights from Boston to Idaho Falls in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Boston to Idaho Falls

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

2:06 pm - 9:49 pmBOS Boston Logan Intl-IDA Idaho Falls Fanning Field

9h 43m1 stop Dallas/Fort Worth

1:42 pm - 11:56 pmIDA Idaho Falls Fanning Field-BOS Boston Logan Intl

8h 14m1 stop Dallas/Fort Worth

$399American Airlines

Sun, Jan 31 - Fri, Feb 5

6:10 am - 12:15 pmBOS Boston Logan Intl-IDA Idaho Falls Fanning Field

8h 05m1 stop Salt Lake City

5:30 am - 2:30 pmIDA Idaho Falls Fanning Field-BOS Boston Logan Intl

7h 00m1 stop Salt Lake City

$399Delta

Sat, Feb 27 - Sat, Mar 6

8:15 am - 6:13 pmBOS Boston Logan Intl-IDA Idaho Falls Fanning Field

11h 58m2 stops Cincinnati Cinci./N. Kentucky Salt Lake City

6:59 pm - 6:09 amIDA Idaho Falls Fanning Field-BOS Boston Logan Intl

9h 10m1 stop Salt Lake City

$404Delta

Mon, Dec 21 - Fri, Jan 8

4:52 pm - 11:40 pmBOS Boston Logan Intl-IDA Idaho Falls Fanning Field

8h 48m1 stop Phoenix Sky Harbor Intl

1:42 pm - 11:56 pmIDA Idaho Falls Fanning Field-BOS Boston Logan Intl

8h 14m1 stop Dallas/Fort Worth

$409American Airlines

Sun, Jan 31 - Fri, Feb 5

10:45 am - 6:19 pmBOS Boston Logan Intl-IDA Idaho Falls Fanning Field

9h 34m1 stop Salt Lake City

6:59 pm - 6:15 amIDA Idaho Falls Fanning Field-BOS Boston Logan Intl

9h 16m1 stop Salt Lake City

$409Delta

Wed, Jan 20 - Sun, Jan 24

3:00 pm - 9:35 pmBOS Boston Logan Intl-IDA Idaho Falls Fanning Field

8h 35m1 stop Denver Intl

10:45 am - 12:44 amIDA Idaho Falls Fanning Field-BOS Boston Logan Intl

11h 59m2 stops Denver Intl Chicago O'Hare Intl

$447United Airlines

Sat, Feb 27 - Sat, Mar 6

4:55 pm - 1:19 pmBOS Boston Logan Intl-IDA Idaho Falls Fanning Field

22h 24m2 stops San Diego Portland

1:56 pm - 5:40 amIDA Idaho Falls Fanning Field-BOS Boston Logan Intl

13h 44m1 stop Seattle/Tacoma Intl

$458Alaska Airlines

Sun, Jan 31 - Fri, Feb 5

4:55 pm - 1:19 pmBOS Boston Logan Intl-IDA Idaho Falls Fanning Field

22h 24m2 stops San Diego Portland

1:56 pm - 5:40 amIDA Idaho Falls Fanning Field-BOS Boston Logan Intl

13h 44m1 stop Seattle/Tacoma Intl

$488Alaska Airlines

Sun, Jan 31 - Fri, Feb 5

9:20 am - 3:38 pmBOS Boston Logan Intl-IDA Idaho Falls Fanning Field

8h 18m1 stop Denver Intl

2:35 pm - 11:50 pmIDA Idaho Falls Fanning Field-BOS Boston Logan Intl

7h 15m1 stop Denver Intl

$494United Airlines

Thu, Nov 19 - Mon, Nov 23

2:29 pm - 9:49 pmBOS Boston Logan Intl-IDA Idaho Falls Fanning Field

9h 20m1 stop Dallas/Fort Worth

8:00 am - 7:39 pmIDA Idaho Falls Fanning Field-BOS Boston Logan Intl

9h 39m1 stop Dallas/Fort Worth

$507American Airlines

Sun, Dec 13 - Wed, Dec 16

Cheap last minute flights

Enter your travel dates to find the best prices.

6:05 am - 12:15 pmBOS Boston Logan Intl-IDA Idaho Falls Fanning Field

8h 10m1 stop Salt Lake City

6:57 pm - 6:20 amIDA Idaho Falls Fanning Field-BOS Boston Logan Intl

9h 23m1 stop Salt Lake City

$554Delta

Tue, Nov 10 - Fri, Nov 13

6:05 am - 12:15 pmBOS Boston Logan Intl-IDA Idaho Falls Fanning Field

8h 10m1 stop Salt Lake City

6:57 pm - 9:45 amIDA Idaho Falls Fanning Field-BOS Boston Logan Intl

12h 48m2 stops Salt Lake City Atlanta Hartsfield-Jackson

$559Delta

Tue, Nov 10 - Fri, Nov 13

1:00 pm - 9:59 pmBOS Boston Logan Intl-IDA Idaho Falls Fanning Field

10h 59m2 stops Detroit Metropolitan Wayne County Salt Lake City

6:57 pm - 9:45 amIDA Idaho Falls Fanning Field-BOS Boston Logan Intl

12h 48m2 stops Salt Lake City Atlanta Hartsfield-Jackson

$620Delta

Tue, Nov 10 - Fri, Nov 13

6:00 am - 1:05 pmBOS Boston Logan Intl-IDA Idaho Falls Fanning Field

9h 05m1 stop Dallas/Fort Worth

1:35 pm - 11:58 pmIDA Idaho Falls Fanning Field-BOS Boston Logan Intl

8h 23m1 stop Dallas/Fort Worth

$1,519American Airlines

Wed, Nov 11 - Tue, Nov 17

11:46 am - 9:43 pmBOS Boston Logan Intl-IDA Idaho Falls Fanning Field

11h 57m2 stops New York John F Kennedy Intl Dallas/Fort Worth

1:35 pm - 11:58 pmIDA Idaho Falls Fanning Field-BOS Boston Logan Intl

8h 23m1 stop Dallas/Fort Worth

$1,600American Airlines

Wed, Nov 11 - Tue, Nov 17

11:46 am - 9:43 pmBOS Boston Logan Intl-IDA Idaho Falls Fanning Field

11h 57m2 stops New York John F Kennedy Intl Dallas/Fort Worth

8:00 am - 10:42 pmIDA Idaho Falls Fanning Field-BOS Boston Logan Intl

12h 42m2 stops Dallas/Fort Worth Chicago O'Hare Intl

$1,731American Airlines

Wed, Nov 11 - Tue, Nov 17

6:00 am - 3:38 pmBOS Boston Logan Intl-IDA Idaho Falls Fanning Field

11h 38m2 stops Chicago O'Hare Intl Denver Intl

2:35 pm - 11:50 pmIDA Idaho Falls Fanning Field-BOS Boston Logan Intl

7h 15m1 stop Denver Intl

$1,737United Airlines

Wed, Nov 11 - Wed, Nov 18

3:05 pm - 9:09 pmBOS Boston Logan Intl-IDA Idaho Falls Fanning Field

8h 04m1 stop Denver Intl

2:35 pm - 11:50 pmIDA Idaho Falls Fanning Field-BOS Boston Logan Intl

7h 15m1 stop Denver Intl

$1,766United Airlines

Wed, Nov 11 - Wed, Nov 18

11:46 am - 9:43 pmBOS Boston Logan Intl-IDA Idaho Falls Fanning Field

11h 57m2 stops New York John F Kennedy Intl Dallas/Fort Worth

8:00 am - 10:41 pmIDA Idaho Falls Fanning Field-BOS Boston Logan Intl

12h 41m2 stops Dallas/Fort Worth New York LaGuardia

$1,855American Airlines

Wed, Nov 11 - Wed, Nov 18

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Delta flights from Boston to Idaho Falls

Our best Delta deals on Boston to Idaho Falls flight tickets

Delta

Dec 21

BOS8:15 amBoston Logan Intl

11h 58m

2 stops

IDA6:13 pmIdaho Falls Fanning Field

Jan 8

IDA6:59 pmIdaho Falls Fanning Field

9h 10m

1 stop

BOS6:09 amBoston Logan Intl

$404

Delta

Jan 20

BOS10:45 amBoston Logan Intl

9h 34m

1 stop

IDA6:19 pmIdaho Falls Fanning Field

Jan 24

IDA6:59 pmIdaho Falls Fanning Field

9h 16m

1 stop

BOS6:15 amBoston Logan Intl

$409

Delta

Jan 20

BOS9:00 amBoston Logan Intl

11h 19m

2 stops

IDA6:19 pmIdaho Falls Fanning Field

Jan 24

IDA6:59 pmIdaho Falls Fanning Field

9h 16m

1 stop

BOS6:15 amBoston Logan Intl

$414

United Airlines flights from Boston to Idaho Falls

Our best United Airlines deals on Boston to Idaho Falls flight tickets

United Airlines

Feb 27

BOS3:00 pmBoston Logan Intl

8h 35m

1 stop

IDA9:35 pmIdaho Falls Fanning Field

Mar 6

IDA10:45 amIdaho Falls Fanning Field

11h 59m

2 stops

BOS12:44 amBoston Logan Intl

$447

United Airlines

Nov 19

BOS9:20 amBoston Logan Intl

8h 18m

1 stop

IDA3:38 pmIdaho Falls Fanning Field

Nov 23

IDA2:35 pmIdaho Falls Fanning Field

7h 15m

1 stop

BOS11:50 pmBoston Logan Intl

$494

United Airlines

Nov 19

BOS7:20 amBoston Logan Intl

10h 18m

2 stops

IDA3:38 pmIdaho Falls Fanning Field

Nov 23

IDA2:35 pmIdaho Falls Fanning Field

7h 15m

1 stop

BOS11:50 pmBoston Logan Intl

$499

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonIdaho Falls

BOS Boston Logan Intl - IDA Idaho Falls Fanning Field

BOSIDA

Boston Logan Intl

Sun 1/31

2:06 pm-9:49 pm

1 stop9h 43m

Idaho Falls Fanning Field

Fri 2/5

1:42 pm-11:56 pm

1 stop8h 14m

$399

Quickest round-trip

BostonIdaho Falls

BOS Boston Logan Intl - IDA Idaho Falls Fanning Field

BOSIDA

Boston Logan Intl

Sat 2/27

6:10 am-12:15 pm

1 stop8h 05m

Idaho Falls Fanning Field

Sat 3/6

5:30 am-2:30 pm

1 stop7h 00m

$399

BostonIdaho Falls

BOS Boston Logan Intl - IDA Idaho Falls Fanning Field

BOSIDA

Boston Logan Intl

Mon 12/21

8:15 am-6:13 pm

2 stops11h 58m

Idaho Falls Fanning Field

Fri 1/8

6:59 pm-6:09 am

1 stop9h 10m

$404

BostonIdaho Falls

BOS Boston Logan Intl - IDA Idaho Falls Fanning Field

BOSIDA

Boston Logan Intl

Sun 1/31

4:52 pm-11:40 pm

1 stop8h 48m

Idaho Falls Fanning Field

Fri 2/5

1:42 pm-11:56 pm

1 stop8h 14m

$409

BostonIdaho Falls

BOS Boston Logan Intl - IDA Idaho Falls Fanning Field

BOSIDA

Boston Logan Intl

Wed 1/20

10:45 am-6:19 pm

1 stop9h 34m

Idaho Falls Fanning Field

Sun 1/24

6:59 pm-6:15 am

1 stop9h 16m

$409

BostonIdaho Falls

BOS Boston Logan Intl - IDA Idaho Falls Fanning Field

BOSIDA

Boston Logan Intl

Sat 2/27

3:00 pm-9:35 pm

1 stop8h 35m

Idaho Falls Fanning Field

Sat 3/6

10:45 am-12:44 am

2 stops11h 59m

$447

BostonIdaho Falls

BOS Boston Logan Intl - IDA Idaho Falls Fanning Field

BOSIDA

Boston Logan Intl

Sun 1/31

4:55 pm-1:19 pm

2 stops22h 24m

Idaho Falls Fanning Field

Fri 2/5

1:56 pm-5:40 am

1 stop13h 44m

$458

BostonIdaho Falls

BOS Boston Logan Intl - IDA Idaho Falls Fanning Field

BOSIDA

Boston Logan Intl

Sun 1/31

4:55 pm-1:19 pm

2 stops22h 24m

Idaho Falls Fanning Field

Fri 2/5

1:56 pm-5:40 am

1 stop13h 44m

$488

BostonIdaho Falls

BOS Boston Logan Intl - IDA Idaho Falls Fanning Field

BOSIDA

Boston Logan Intl

Thu 11/19

9:20 am-3:38 pm

1 stop8h 18m

Idaho Falls Fanning Field

Mon 11/23

2:35 pm-11:50 pm

1 stop7h 15m

$494

BostonIdaho Falls

BOS Boston Logan Intl - IDA Idaho Falls Fanning Field

BOSIDA

Boston Logan Intl

Sun 12/13

2:29 pm-9:49 pm

1 stop9h 20m

Idaho Falls Fanning Field

Wed 12/16

8:00 am-7:39 pm

1 stop9h 39m

$507

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 Boston 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 typical price of a round-trip flight between Boston and Idaho Falls?

Prices are currently high for flights on this route.

Typical prices usually range from $239 to $352.
The lowest price recently found on this route was $399.

What is the cheapest month to fly to Idaho Falls?

If you aren’t able to travel to Idaho Falls during the month of November, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $450.

When to book flights from Boston to Idaho Falls

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to Idaho Falls according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Boston to Idaho Falls (BOS to IDA) flight deals and tips

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

Best Price Found	$200
Fastest flight time	8h 10m
Direct flights	None

The best one-way flight to Idaho Falls from Boston in the past 72 hours is $200. The best round-trip flight deal from Boston to Idaho Falls found on momondo in the last 72 hours is $399.

The fastest flight from Boston to Idaho Falls takes 8h 10m

There are no direct flights from Boston to Idaho Falls. There are no popular flight routes from Boston to Idaho Falls.

Search flight deals

Frequently asked questions about flying from Boston to Idaho Falls

How far is Boston Logan Intl to Idaho Falls Fanning Field by plane?
There are 2052.3 mi between Boston Logan Intl and Idaho Falls Fanning Field. By plane, this route typically takes 8h 10m.
When did momondo last update prices for flights from Boston Logan Intl Airport to Idaho Falls Fanning Field Airport?
Prices for flights from Boston Logan Intl Airport to Idaho Falls Fanning Field Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Boston Logan Intl Airport to Idaho Falls Fanning Field Airport?
The number of operators available for flights from Boston Logan Intl Airport to Idaho Falls Fanning Field Airport is 4 as of November 2026.
How old do you have to be to fly from Boston Logan Intl Airport to Idaho Falls Fanning Field Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Boston Logan Intl Airport 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 you'll need for your trip to Idaho Falls Fanning Field Airport 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 Idaho Falls Fanning Field Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Boston to Idaho Falls?
momondo data reveals that the most frequently booked airline on the route from Boston to Idaho Falls is United Airlines, representing 35% of all bookings. The subsequent popular airlines are Alaska Airlines at 29%, American Airlines at 28%, and Delta at 8%.

Best airlines flying from Boston to Idaho Falls

Compare and see reviews for airlines that fly from Boston to Idaho Falls with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $239	Free Cancellation	Rating 7.8 8,698 reviews	Search Delta flights
United Airlines	PriceFrom $274	Free Cancellation	Rating 7.3 10,461 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $332	Free Cancellation	Rating 7.9 13,140 reviews	Search Alaska Airlines flights
American Airlines	PriceFrom $395	Free Cancellation	Rating 7.0 12,228 reviews	Search American Airlines flights

Rexburg

Why use momondo?

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

Finding the right flight to Idaho Falls from Boston 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 Idaho Falls quick and easy, saving you time and money.

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

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

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

Once you have performed a search for Boston to Idaho Falls flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Of course. momondo tracks the price of Boston to Idaho Falls flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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.

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Nearby airports

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Complete your trip

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Airports servicing Idaho

Boise Air Term. Gowen Fld Airport

Lewiston Nez Perce Rgnl Airport

Pocatello Airport

Hailey Sun Valley-Friedman Airport

Twin Falls Joslin Airport

Cheap flights from Boston 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 Boston to Idaho Falls departing on 12/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Boston to Idaho Falls

Cheap round-trip flights

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Delta flights from Boston to Idaho Falls

Our best Delta deals on Boston to Idaho Falls flight tickets

United Airlines flights from Boston to Idaho Falls

Our best United Airlines deals on Boston to Idaho Falls flight tickets

momondo Fare Finder

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

See travel insights to Idaho Falls from

How to get the cheapest flight ticket from Boston to Idaho Falls

What is the typical price of a round-trip flight between Boston and Idaho Falls?

What is the cheapest month to fly to Idaho Falls?

What is the cheapest airline that flies from Boston Logan Intl to Idaho Falls Fanning Field?

What airlines fly to Idaho Falls?

When to book flights from Boston to Idaho Falls

Cheap Boston to Idaho Falls (BOS to IDA) flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Boston to Idaho Falls

Best airlines flying from Boston to Idaho Falls

Compare and see reviews for airlines that fly from Boston to Idaho Falls with momondo

Traveling to a place near Idaho Falls?

Why use momondo?

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

Fly your favorite airline to Idaho Falls

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Idaho Falls

List of cabin classes available on flights landing in Idaho Falls. Availability may vary depending on flight origin and airline.

Popular cities in the United States

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Boston

According to popular flight searches on momondo this year

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