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

Alaska Airlines, Delta, and American 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 45% 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 October 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.

$144 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

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:00 am - 1:14 pmBOS-GEG

8h 14m1 stop

7:17 pm - 6:20 amGEG-BOS

8h 03m1 stop

$303Delta

Find Deal

Thu, Nov 27 - Thu, Dec 4

6:10 am - 12:02 pmBOS-BOI

7h 52m1 stop

1:00 pm - 12:24 amBOI-BOS

9h 24m1 stop

$304Delta

Find Deal

Tue, Dec 16 - Thu, Dec 25

7:00 am - 3:03 pmBOS-GEG

11h 03m1 stop

12:10 pm - 11:59 pmGEG-BOS

8h 49m1 stop

$316Alaska Airlines

Find Deal

Thu, Jan 22 - Mon, Jan 26

7:00 am - 12:30 pmBOS-GEG

8h 30m1 stop

1:14 pm - 12:13 amGEG-BOS

7h 59m1 stop

$317American Airlines

Find Deal

Wed, Dec 3 - Tue, Dec 9

7:00 am - 3:26 pmBOS-BOI

10h 26m1 stop

1:25 pm - 11:59 pmBOI-BOS

8h 34m1 stop

$318Alaska Airlines

Find Deal

Sat, Dec 6 - Tue, Dec 9

6:00 am - 12:45 pmBOS-GEG

9h 45m2 stops

5:25 am - 3:42 pmGEG-BOS

7h 17m1 stop

$322United Airlines

Find Deal

Wed, Dec 3 - Tue, Dec 9

4:15 pm - 9:52 pmBOS-GEG

8h 37m1 stop

7:00 am - 9:44 pmGEG-BOS

11h 44m1 stop

$338United Airlines

Find Deal

Thu, Feb 12 - Tue, Feb 17

12:11 pm - 6:49 pmBOS-GEG

9h 38m1 stop

6:00 am - 6:59 pmGEG-BOS

9h 59m1 stop

$353American Airlines

Find Deal

Sat, Jan 24 - Fri, Jan 30

5:00 pm - 10:25 pmBOS-GEG

8h 25m1 stop

5:50 am - 8:45 pmGEG-BOS

11h 55m2 stops

$382Southwest

Find Deal

Wed, Dec 10 - Sun, Dec 14

2:50 pm - 12:05 amBOS-GEG

12h 15m2 stops

6:20 am - 11:10 pmGEG-BOS

13h 50m2 stops

$383Southwest

Find Deal

Sat, Feb 28 - Thu, Mar 5

Alaska Airlines flights from Boston to Idaho

Our best Alaska Airlines deals on Boston to Idaho flight tickets

Alaska Airlines

Jan 22

BOS7:00 amBoston Logan Intl

11h 03m

1 stop

GEG3:03 pmSpokane

Jan 26

GEG12:10 pmSpokane

8h 49m

1 stop

BOS11:59 pmBoston Logan Intl

$316

Find similar

Alaska Airlines

Dec 6

BOS7:00 amBoston Logan Intl

10h 26m

1 stop

BOI3:26 pmBoise Air Term. Gowen Fld

Dec 9

BOI1:25 pmBoise Air Term. Gowen Fld

8h 34m

1 stop

BOS11:59 pmBoston Logan Intl

$318

Find similar

Alaska Airlines

Dec 5

BOS6:52 pmBoston Logan Intl

29h 06m

1 stop

BOI9:58 pmBoise Air Term. Gowen Fld

Dec 8

BOI1:25 pmBoise Air Term. Gowen Fld

8h 34m

1 stop

BOS11:59 pmBoston Logan Intl

$330

Find similar

Delta flights from Boston to Idaho

Our best Delta deals on Boston to Idaho flight tickets

Delta

Nov 27

BOS8:00 amBoston Logan Intl

8h 14m

1 stop

GEG1:14 pmSpokane

Dec 4

GEG7:17 pmSpokane

8h 03m

1 stop

BOS6:20 amBoston Logan Intl

$303

Find similar

Delta

Dec 16

BOS6:10 amBoston Logan Intl

7h 52m

1 stop

BOI12:02 pmBoise Air Term. Gowen Fld

Dec 25

BOI1:00 pmBoise Air Term. Gowen Fld

9h 24m

1 stop

BOS12:24 amBoston Logan Intl

$304

Find similar

Delta

Nov 27

BOS5:50 amBoston Logan Intl

10h 24m

1 stop

GEG1:14 pmSpokane

Dec 4

GEG6:00 amSpokane

8h 18m

1 stop

BOS5:18 pmBoston Logan Intl

$313

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Thu 11/27

8:00 am-1:14 pm

1 stop8h 14m

Spokane

Thu 12/4

7:17 pm-6:20 am

1 stop8h 03m

$303

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Tue 12/16

6:10 am-12:02 pm

1 stop7h 52m

Boise Air Term. Gowen Fld

Thu 12/25

1:00 pm-12:24 am

1 stop9h 24m

$304

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Thu 1/22

7:00 am-3:03 pm

1 stop11h 03m

Spokane

Mon 1/26

12:10 pm-11:59 pm

1 stop8h 49m

$316

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Wed 12/3

7:00 am-12:30 pm

1 stop8h 30m

Spokane

Tue 12/9

1:14 pm-12:13 am

1 stop7h 59m

$317

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Sat 12/6

7:00 am-3:26 pm

1 stop10h 26m

Boise Air Term. Gowen Fld

Tue 12/9

1:25 pm-11:59 pm

1 stop8h 34m

$318

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Wed 12/3

6:00 am-12:45 pm

2 stops9h 45m

Spokane

Tue 12/9

5:25 am-3:42 pm

1 stop7h 17m

$322

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Thu 2/12

4:15 pm-9:52 pm

1 stop8h 37m

Spokane

Tue 2/17

7:00 am-9:44 pm

1 stop11h 44m

$338

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Sat 1/24

12:11 pm-6:49 pm

1 stop9h 38m

Spokane

Fri 1/30

6:00 am-6:59 pm

1 stop9h 59m

$353

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Wed 12/10

5:00 pm-10:25 pm

1 stop8h 25m

Spokane

Sun 12/14

5:50 am-8:45 pm

2 stops11h 55m

$382

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Sat 2/28

2:50 pm-12:05 am

2 stops12h 15m

Spokane

Thu 3/5

6:20 am-11:10 pm

2 stops13h 50m

$383

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 March to fly from Boston, when ticket prices are also cheap, with an average price of $426.

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 $404 on momondo.

Can stopping save me money on Boston to Idaho flights?

You could potentially save up to 8% 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

Direct flights	None

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 October 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 $258	Free Cancellation	Rating 7.9 7,998 reviews	Search Delta flights
American Airlines	PriceFrom $264	Free Cancellation	Rating 7.2 11,035 reviews	Search American Airlines flights
Alaska Airlines	PriceFrom $296	Free Cancellation	Rating 8.0 11,217 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $325	Free Cancellation	Rating 7.4 8,998 reviews	Search United Airlines flights
Southwest	PriceFrom $370	Free Cancellation	Rating 8.0 4,243 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.