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

United Airlines, Delta, and Alaska Airlines are the most popular carriers operating from Boston Logan Intl to Idaho

What airlines fly to Idaho?

Delta, American Airlines and United Airlines are the top three most popular airlines that fly to Idaho from Boston according to our data. Delta is the first choice among our users, with 36% of people opting to fly with this airline when traveling to Idaho. Keep in mind that there are 5 different airlines that fly to Idaho 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?

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

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

The number of operators available for flights from Boston Logan Intl Airport to Idaho is 5 as of May 2026.

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

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.

What documentation or ID do you need to fly to Idaho?

The necessary travel and health documents for your Idaho trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$143 Cheap Flights from Boston to Idaho in 2026

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Find the cheapest flights from Boston to Idaho

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:15 am - 2:34 pm

BOS

BOI

10h 19m

1 stop

11:55 am - 12:21 am

BOI

BOS

10h 26m

1 stop

$285Delta

Wed, May 27 - Wed, Jun 10

7:00 am - 2:20 pm

BOS

BOI

9h 20m

1 stop

3:12 pm - 12:28 am

BOI

BOS

7h 16m

1 stop

$290American Airlines

Wed, May 27 - Wed, Jun 10

6:00 am - 2:20 pm

BOS

BOI

10h 20m

2 stops

3:12 pm - 12:28 am

BOI

BOS

7h 16m

1 stop

$295American Airlines

Wed, May 27 - Wed, Jun 10

6:10 am - 12:25 pm

BOS

WYS

8h 15m

1 stop

11:15 am - 1:28 am

WYS

BOS

12h 13m

2 stops

$354Delta

Wed, Jun 3 - Sat, Jun 6

3:10 pm - 8:58 pm

BOS

JAC

7h 48m

1 stop

1:42 pm - 11:44 pm

JAC

BOS

8h 02m

1 stop

$363United Airlines

Tue, May 26 - Tue, Jun 2

7:45 am - 12:46 pm

BOS

JAC

7h 01m

1 stop

1:42 pm - 1:14 am

JAC

BOS

9h 32m

2 stops

$368United Airlines

Tue, May 26 - Tue, Jun 2

6:00 am - 1:17 pm

BOS

IDA

9h 17m

1 stop

4:03 pm - 6:20 am

IDA

BOS

12h 17m

1 stop

$409Alaska Airlines

Thu, Jun 4 - Mon, Jun 8

5:40 am - 10:15 am

BOS

GEG

7h 35m

1 stop

10:35 am - 11:25 pm

GEG

BOS

9h 50m

2 stops

$409Southwest

Mon, Aug 17 - Sun, Aug 23

5:00 am - 9:35 am

BOS

GEG

7h 35m

1 stop

2:55 pm - 12:45 am

GEG

BOS

6h 50m

1 stop

$411Southwest

Tue, Jul 7 - Tue, Jul 14

3:58 pm - 11:59 pm

BOS

GEG

11h 01m

2 stops

7:32 pm - 6:15 am

GEG

BOS

7h 43m

1 stop

$416Alaska Airlines

Sat, Sep 26 - Sat, Oct 10

Southwest flights from Boston to Idaho

Our best Southwest deals on Boston to Idaho flight tickets

Southwest

Sep 16

BOS2:45 pmBoston Logan Intl

10h 25m

2 stops

BOI11:10 pmBoise Air Term. Gowen Fld

Sep 21

BOI3:45 pmBoise Air Term. Gowen Fld

12h 15m

1 stop

BOS6:00 amBoston Logan Intl

$326

Southwest

Jul 31

BOS5:25 amBoston Logan Intl

13h 50m

1 stop

BOI5:15 pmBoise Air Term. Gowen Fld

Aug 5

BOI3:30 pmBoise Air Term. Gowen Fld

12h 30m

1 stop

BOS6:00 amBoston Logan Intl

$353

Southwest

Oct 7

BOS5:15 amBoston Logan Intl

7h 25m

1 stop

BOI10:40 amBoise Air Term. Gowen Fld

Oct 12

BOI12:00 pmBoise Air Term. Gowen Fld

16h 50m

2 stops

BOS6:50 amBoston Logan Intl

$383

American Airlines flights from Boston to Idaho

Our best American Airlines deals on Boston to Idaho flight tickets

American Airlines

May 27

BOS7:00 amBoston Logan Intl

9h 20m

1 stop

BOI2:20 pmBoise Air Term. Gowen Fld

Jun 10

BOI3:12 pmBoise Air Term. Gowen Fld

7h 16m

1 stop

BOS12:28 amBoston Logan Intl

$290

American Airlines

May 27

BOS6:00 amBoston Logan Intl

10h 20m

2 stops

BOI2:20 pmBoise Air Term. Gowen Fld

Jun 10

BOI3:12 pmBoise Air Term. Gowen Fld

7h 16m

1 stop

BOS12:28 amBoston Logan Intl

$295

American Airlines

Aug 18

BOS6:00 amBoston Logan Intl

10h 14m

2 stops

BOI2:14 pmBoise Air Term. Gowen Fld

Aug 22

BOI6:44 amBoise Air Term. Gowen Fld

10h 58m

1 stop

BOS7:42 pmBoston Logan Intl

$300

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Wed 5/27

6:15 am-2:34 pm

1 stop10h 19m

Boise Air Term. Gowen Fld

Wed 6/10

11:55 am-12:21 am

1 stop10h 26m

$285

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Wed 5/27

7:00 am-2:20 pm

1 stop9h 20m

Boise Air Term. Gowen Fld

Wed 6/10

3:12 pm-12:28 am

1 stop7h 16m

$290

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Wed 5/27

6:00 am-2:20 pm

2 stops10h 20m

Boise Air Term. Gowen Fld

Wed 6/10

3:12 pm-12:28 am

1 stop7h 16m

$295

BostonWest Yellowstone

BOS - WYS

BOSWYS

Boston Logan Intl

Wed 6/3

6:10 am-12:25 pm

1 stop8h 15m

West Yellowstone

Sat 6/6

11:15 am-1:28 am

2 stops12h 13m

$354

BostonJackson

BOS - JAC

BOSJAC

Boston Logan Intl

Tue 5/26

3:10 pm-8:58 pm

1 stop7h 48m

Jackson Hole

Tue 6/2

1:42 pm-11:44 pm

1 stop8h 02m

$363

BostonJackson

BOS - JAC

BOSJAC

Boston Logan Intl

Tue 5/26

7:45 am-12:46 pm

1 stop7h 01m

Jackson Hole

Tue 6/2

1:42 pm-1:14 am

2 stops9h 32m

$368

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Thu 6/4

6:00 am-1:17 pm

1 stop9h 17m

Idaho Falls Fanning Field

Mon 6/8

4:03 pm-6:20 am

1 stop12h 17m

$409

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Mon 8/17

5:40 am-10:15 am

1 stop7h 35m

Spokane

Sun 8/23

10:35 am-11:25 pm

2 stops9h 50m

$409

Quickest round-trip

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Tue 7/7

5:00 am-9:35 am

1 stop7h 35m

Spokane

Tue 7/14

2:55 pm-12:45 am

1 stop6h 50m

$411

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Sat 9/26

3:58 pm-11:59 pm

2 stops11h 01m

Spokane

Sat 10/10

7:32 pm-6:15 am

1 stop7h 43m

$416

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

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?

In general, June is the cheapest month to fly from Boston to Idaho. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $142. If you don’t want to visit Idaho in June, then you should wait until July to fly from Boston, when ticket prices are also cheap, with an average price of $157.

How far in advance should I book a flight from Boston to Idaho?

You are more likely to see cheaper flights to Idaho from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Idaho for around $468 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Idaho from Boston for as low as $349 on momondo.

Can stopping save me money on Boston to Idaho flights?

You could potentially save up to 28% on your flight if you consider stops on a Boston to Idaho flight.

Cheap Boston to Idaho flight deals and tips

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

Fastest flight time	6h 50m
Direct flights	None

The fastest flight from Boston to Idaho takes 6h 50m

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

Search flight deals

Frequently asked questions about flying from Boston to Idaho

When did momondo last update prices for flights from Boston Logan Intl Airport to Idaho?
Prices for flights from Boston Logan Intl Airport to Idaho are refreshed on a daily basis.
How many operators does momondo search for flights from Boston Logan Intl Airport to Idaho?
The number of operators available for flights from Boston Logan Intl Airport to Idaho is 5 as of May 2026.
How old do you have to be to fly from Boston Logan Intl Airport to Idaho?
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.
What documentation or ID do you need to fly to Idaho?
The necessary travel and health documents for your Idaho trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Boston to Idaho

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

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $249	Free Cancellation	Rating 7.9 8,456 reviews	Search Delta flights
United Airlines	PriceFrom $260	Free Cancellation	Rating 7.4 9,712 reviews	Search United Airlines flights
American Airlines	PriceFrom $264	Free Cancellation	Rating 7.1 11,669 reviews	Search American Airlines flights
Alaska Airlines	PriceFrom $293	Free Cancellation	Rating 7.9 12,361 reviews	Search Alaska Airlines flights
Southwest	PriceFrom $306	Free Cancellation	Rating 8.0 4,298 reviews	Search Southwest flights

Why use momondo?

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

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

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

Flights from Boston to Idaho with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential Boston to Idaho flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are not ready to book a flight from Boston to Idaho now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Idaho and let you know when they change.