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

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

What airlines fly to Idaho?

Delta, United Airlines and American 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 44% 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 December 2025.

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.

$124 Cheap Flights from Boston to Idaho in 2025/26

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Find the cheapest flights from Boston to Idaho

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

7:00 am - 12:46 pm

BOS

SUN

7h 46m1 stop

1:16 pm - 11:44 pm

SUN

BOS

8h 28m1 stop

$237American Airlines

Wed, Jan 21 - Sat, Jan 24

6:00 am - 12:02 pm

BOS

SUN

8h 02m1 stop

4:03 pm - 10:36 am

SUN

BOS

16h 33m2 stops

$242United Airlines

Thu, Jan 15 - Thu, Jan 22

6:44 pm - 12:23 am

BOS

GEG

8h 39m1 stop

9:05 am - 11:54 pm

GEG

BOS

11h 49m1 stop

$256Alaska Airlines

Wed, Jan 14 - Wed, Jan 21

3:15 pm - 9:22 pm

BOS

GEG

9h 07m1 stop

5:00 am - 3:37 pm

GEG

BOS

7h 37m1 stop

$257United Airlines

Sun, Jan 18 - Wed, Jan 21

6:00 am - 2:08 pm

BOS

BOI

10h 08m1 stop

5:54 pm - 5:32 am

BOI

BOS

9h 38m1 stop

$257American Airlines

Fri, Jan 9 - Sun, Jan 11

10:30 am - 9:22 pm

BOS

GEG

13h 52m2 stops

5:00 am - 3:37 pm

GEG

BOS

7h 37m1 stop

$262United Airlines

Wed, Jan 14 - Wed, Jan 21

12:45 pm - 9:52 pm

BOS

BOI

11h 07m2 stops

2:37 pm - 11:46 pm

BOI

BOS

7h 09m1 stop

$262United Airlines

Mon, Jan 12 - Thu, Jan 15

7:00 am - 3:10 pm

BOS

BOI

10h 10m1 stop

11:35 am - 11:54 pm

BOI

BOS

10h 19m1 stop

$278Alaska Airlines

Sat, Jan 17 - Wed, Jan 21

5:35 am - 1:30 pm

BOS

JAC

9h 55m1 stop

12:58 pm - 11:56 pm

JAC

BOS

8h 58m1 stop

$297Delta

Sun, Jan 11 - Sat, Jan 17

6:55 am - 1:30 pm

BOS

JAC

8h 35m1 stop

12:58 pm - 11:56 pm

JAC

BOS

8h 58m1 stop

$318Delta

Thu, Jan 8 - Tue, Jan 13

American Airlines flights from Boston to Idaho

Our best American Airlines deals on Boston to Idaho flight tickets

American Airlines

Jan 9

BOS6:00 amBoston Logan Intl

10h 08m

1 stop

BOI2:08 pmBoise Air Term. Gowen Fld

Jan 11

BOI5:54 pmBoise Air Term. Gowen Fld

9h 38m

1 stop

BOS5:32 amBoston Logan Intl

$257

Find similar

American Airlines

Jan 11

BOS6:00 amBoston Logan Intl

9h 08m

1 stop

BOI1:08 pmBoise Air Term. Gowen Fld

Jan 14

BOI12:37 pmBoise Air Term. Gowen Fld

8h 35m

1 stop

BOS11:12 pmBoston Logan Intl

$274

Find similar

American Airlines

Jan 27

BOS10:00 amBoston Logan Intl

11h 25m

2 stops

BOI7:25 pmBoise Air Term. Gowen Fld

Jan 30

BOI1:58 pmBoise Air Term. Gowen Fld

7h 32m

1 stop

BOS11:30 pmBoston Logan Intl

$280

Find similar

Alaska Airlines flights from Boston to Idaho

Our best Alaska Airlines deals on Boston to Idaho flight tickets

Alaska Airlines

Jan 14

BOS6:44 pmBoston Logan Intl

8h 39m

1 stop

GEG12:23 amSpokane

Jan 21

GEG9:05 amSpokane

11h 49m

1 stop

BOS11:54 pmBoston Logan Intl

$256

Find similar

Alaska Airlines

Jan 17

BOS7:00 amBoston Logan Intl

10h 10m

1 stop

BOI3:10 pmBoise Air Term. Gowen Fld

Jan 21

BOI11:35 amBoise Air Term. Gowen Fld

10h 19m

1 stop

BOS11:54 pmBoston Logan Intl

$278

Find similar

Alaska Airlines

Jan 8

BOS6:44 pmBoston Logan Intl

8h 39m

1 stop

GEG12:23 amSpokane

Jan 12

GEG7:49 pmSpokane

25h 05m

1 stop

BOS11:54 pmBoston Logan Intl

$330

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BostonHailey

BOS - SUN

BOSSUN

Boston Logan Intl

Wed 1/21

7:00 am-12:46 pm

1 stop7h 46m

Hailey Sun Valley-Friedman

Sat 1/24

1:16 pm-11:44 pm

1 stop8h 28m

$237

BostonHailey

BOS - SUN

BOSSUN

Boston Logan Intl

Thu 1/15

6:00 am-12:02 pm

1 stop8h 02m

Hailey Sun Valley-Friedman

Thu 1/22

4:03 pm-10:36 am

2 stops16h 33m

$242

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Wed 1/14

6:44 pm-12:23 am

1 stop8h 39m

Spokane

Wed 1/21

9:05 am-11:54 pm

1 stop11h 49m

$256

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Sun 1/18

3:15 pm-9:22 pm

1 stop9h 07m

Spokane

Wed 1/21

5:00 am-3:37 pm

1 stop7h 37m

$257

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Fri 1/9

6:00 am-2:08 pm

1 stop10h 08m

Boise Air Term. Gowen Fld

Sun 1/11

5:54 pm-5:32 am

1 stop9h 38m

$257

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Wed 1/14

10:30 am-9:22 pm

2 stops13h 52m

Spokane

Wed 1/21

5:00 am-3:37 pm

1 stop7h 37m

$262

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Mon 1/12

12:45 pm-9:52 pm

2 stops11h 07m

Boise Air Term. Gowen Fld

Thu 1/15

2:37 pm-11:46 pm

1 stop7h 09m

$262

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Sat 1/17

7:00 am-3:10 pm

1 stop10h 10m

Boise Air Term. Gowen Fld

Wed 1/21

11:35 am-11:54 pm

1 stop10h 19m

$278

BostonJackson

BOS - JAC

BOSJAC

Boston Logan Intl

Sun 1/11

5:35 am-1:30 pm

1 stop9h 55m

Jackson Hole

Sat 1/17

12:58 pm-11:56 pm

1 stop8h 58m

$297

BostonJackson

BOS - JAC

BOSJAC

Boston Logan Intl

Thu 1/8

6:55 am-1:30 pm

1 stop8h 35m

Jackson Hole

Tue 1/13

12:58 pm-11:56 pm

1 stop8h 58m

$318

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 $356. If you don’t want to visit Idaho in January, then you should wait until April to fly from Boston, when ticket prices are also cheap, with an average price of $425.

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

Our data shows that Saturday is the least expensive day to fly to Idaho. Tickets to fly out on this day can be as low as $487. On the other hand, Sunday is the most expensive day to depart from Boston because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $657.

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

According to our data, the cheapest time of day to fly to Idaho is at noon. momondo users have found flights departing from Boston to Idaho at noon for as low as $497. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the evening is when there is more demand to fly to Idaho, so prices are often more expensive at around $667 per ticket.

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 $369 on momondo.

Can stopping save me money on Boston to Idaho flights?

You could potentially save up to 5% 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 December 2025.
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 $256	Free Cancellation	Rating 7.9 8,005 reviews	Search Delta flights
American Airlines	PriceFrom $264	Free Cancellation	Rating 7.2 11,054 reviews	Search American Airlines flights
Alaska Airlines	PriceFrom $296	Free Cancellation	Rating 8.0 11,477 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $325	Free Cancellation	Rating 7.4 9,091 reviews	Search United Airlines flights
Southwest	PriceFrom $370	Free Cancellation	Rating 7.9 4,250 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.