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 39% 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.

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

American Airlines, United Airlines, and Delta are the most popular carriers operating from Boston Logan Intl 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 March 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.

$148 Cheap Flights from Boston to Idaho in 2026

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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.

4:50 pm - 10:35 pm

BOS

BOI

7h 45m

1 stop

6:15 am - 5:13 pm

BOI

BOS

8h 58m

1 stop

$308United Airlines

Tue, Apr 14 - Wed, Apr 15

3:10 pm - 8:29 pm

BOS

BOI

7h 19m

1 stop

11:35 pm - 9:34 am

BOI

BOS

7h 59m

1 stop

$313Delta

Tue, Apr 14 - Tue, Apr 21

5:50 am - 1:04 pm

BOS

GEG

10h 14m

1 stop

5:10 pm - 6:00 am

GEG

BOS

9h 50m

1 stop

$317Delta

Tue, Apr 14 - Sat, Apr 18

2:25 pm - 10:10 pm

BOS

BOI

9h 45m

2 stops

3:15 pm - 12:05 am

BOI

BOS

6h 50m

1 stop

$318Southwest

Tue, Apr 14 - Wed, Apr 15

6:30 am - 12:49 pm

BOS

BOI

8h 19m

1 stop

6:45 am - 7:30 pm

BOI

BOS

10h 45m

2 stops

$326American Airlines

Wed, May 6 - Tue, May 12

7:20 am - 3:25 pm

BOS

BOI

10h 05m

2 stops

3:15 pm - 12:05 am

BOI

BOS

6h 50m

1 stop

$328Southwest

Wed, May 6 - Tue, May 12

7:15 am - 3:29 pm

BOS

BOI

10h 14m

1 stop

11:58 am - 11:59 pm

BOI

BOS

10h 01m

1 stop

$332Alaska Airlines

Tue, Apr 14 - Wed, Apr 15

7:15 am - 3:29 pm

BOS

BOI

10h 14m

1 stop

8:20 am - 11:59 pm

BOI

BOS

13h 39m

1 stop

$333Alaska Airlines

Thu, Apr 9 - Mon, Apr 13

6:30 am - 12:32 pm

BOS

GEG

9h 02m

1 stop

1:22 pm - 12:25 am

GEG

BOS

8h 03m

1 stop

$367American Airlines

Thu, Apr 16 - Sat, Apr 18

5:45 am - 4:07 pm

BOS

WYS

12h 22m

2 stops

2:02 pm - 9:23 am

WYS

BOS

17h 21m

2 stops

$556United Airlines

Sat, Aug 29 - Wed, Sep 2

Alaska Airlines flights from Boston to Idaho

Our best Alaska Airlines deals on Boston to Idaho flight tickets

Alaska Airlines

Apr 14

BOS7:15 amBoston Logan Intl

10h 14m

1 stop

BOI3:29 pmBoise Air Term. Gowen Fld

Apr 15

BOI11:58 amBoise Air Term. Gowen Fld

10h 01m

1 stop

BOS11:59 pmBoston Logan Intl

$332

Alaska Airlines

Apr 9

BOS7:15 amBoston Logan Intl

10h 14m

1 stop

BOI3:29 pmBoise Air Term. Gowen Fld

Apr 13

BOI8:20 amBoise Air Term. Gowen Fld

13h 39m

1 stop

BOS11:59 pmBoston Logan Intl

$333

Alaska Airlines

Apr 23

BOS7:00 amBoston Logan Intl

10h 33m

1 stop

BOI3:33 pmBoise Air Term. Gowen Fld

Apr 28

BOI12:15 pmBoise Air Term. Gowen Fld

9h 44m

1 stop

BOS11:59 pmBoston Logan Intl

$352

American Airlines flights from Boston to Idaho

Our best American Airlines deals on Boston to Idaho flight tickets

American Airlines

May 6

BOS6:30 amBoston Logan Intl

8h 19m

1 stop

BOI12:49 pmBoise Air Term. Gowen Fld

May 12

BOI6:45 amBoise Air Term. Gowen Fld

10h 45m

2 stops

BOS7:30 pmBoston Logan Intl

$326

American Airlines

May 26

BOS6:20 amBoston Logan Intl

9h 09m

1 stop

BOI1:29 pmBoise Air Term. Gowen Fld

Jun 2

BOI3:11 pmBoise Air Term. Gowen Fld

7h 04m

1 stop

BOS12:15 amBoston Logan Intl

$356

American Airlines

May 26

BOS6:20 amBoston Logan Intl

9h 09m

1 stop

BOI1:29 pmBoise Air Term. Gowen Fld

Jun 2

BOI3:11 pmBoise Air Term. Gowen Fld

7h 04m

1 stop

BOS12:15 amBoston Logan Intl

$361

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Tue 4/14

4:50 pm-10:35 pm

1 stop7h 45m

Boise Air Term. Gowen Fld

Wed 4/15

6:15 am-5:13 pm

1 stop8h 58m

$308

Quickest round-trip

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Tue 4/14

3:10 pm-8:29 pm

1 stop7h 19m

Boise Air Term. Gowen Fld

Tue 4/21

11:35 pm-9:34 am

1 stop7h 59m

$313

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Tue 4/14

5:50 am-1:04 pm

1 stop10h 14m

Spokane

Sat 4/18

5:10 pm-6:00 am

1 stop9h 50m

$317

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Tue 4/14

2:25 pm-10:10 pm

2 stops9h 45m

Boise Air Term. Gowen Fld

Wed 4/15

3:15 pm-12:05 am

1 stop6h 50m

$318

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Wed 5/6

6:30 am-12:49 pm

1 stop8h 19m

Boise Air Term. Gowen Fld

Tue 5/12

6:45 am-7:30 pm

2 stops10h 45m

$326

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Wed 5/6

7:20 am-3:25 pm

2 stops10h 05m

Boise Air Term. Gowen Fld

Tue 5/12

3:15 pm-12:05 am

1 stop6h 50m

$328

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Tue 4/14

7:15 am-3:29 pm

1 stop10h 14m

Boise Air Term. Gowen Fld

Wed 4/15

11:58 am-11:59 pm

1 stop10h 01m

$332

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Thu 4/9

7:15 am-3:29 pm

1 stop10h 14m

Boise Air Term. Gowen Fld

Mon 4/13

8:20 am-11:59 pm

1 stop13h 39m

$333

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Thu 4/16

6:30 am-12:32 pm

1 stop9h 02m

Spokane

Sat 4/18

1:22 pm-12:25 am

1 stop8h 03m

$367

BostonWest Yellowstone

BOS - WYS

BOSWYS

Boston Logan Intl

Sat 8/29

5:45 am-4:07 pm

2 stops12h 22m

West Yellowstone

Wed 9/2

2:02 pm-9:23 am

2 stops17h 21m

$556

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, January 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 $396. If you don’t want to visit Idaho in January, then you should wait until July to fly from Boston, when ticket prices are also cheap, with an average price of $427.

How far in advance should I book a flight 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 $361 on momondo.

Can stopping save me money on Boston to Idaho flights?

You could potentially save up to 2% 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	7h 19m
Direct flights	None

The fastest flight from Boston to Idaho takes 7h 19m

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

Search flight deals

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 March 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 $236	Free Cancellation	Rating 7.9 8,313 reviews	Search Delta flights
American Airlines	PriceFrom $264	Free Cancellation	Rating 7.1 11,488 reviews	Search American Airlines flights
United Airlines	PriceFrom $282	Free Cancellation	Rating 7.4 9,451 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $296	Free Cancellation	Rating 7.9 12,091 reviews	Search Alaska Airlines flights
Southwest	PriceFrom $370	Free Cancellation	Rating 8.0 4,325 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.