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

Alaska Airlines, American Airlines, and United 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 43% 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 February 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.

$119 Cheap Flights from Boston to Idaho in 2026

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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.

8:05 am - 1:03 pm

BOS

GEG

7h 58m

1 stop

6:59 pm - 6:00 am

GEG

BOS

8h 01m

1 stop

$237Delta

Wed, Apr 15 - Tue, Apr 21

6:00 am - 12:33 pm

BOS

BOI

8h 33m

1 stop

6:24 am - 5:04 pm

BOI

BOS

8h 40m

1 stop

$237United Airlines

Tue, Mar 3 - Tue, Mar 10

2:20 pm - 11:23 pm

BOS

BOI

11h 03m

2 stops

2:40 pm - 11:53 pm

BOI

BOS

7h 13m

1 stop

$242United Airlines

Tue, Mar 3 - Tue, Mar 10

11:00 am - 6:51 pm

BOS

GEG

10h 51m

1 stop

1:43 pm - 11:59 pm

GEG

BOS

7h 16m

1 stop

$257United Airlines

Wed, Apr 22 - Tue, Apr 28

7:55 am - 4:49 pm

BOS

BOI

10h 54m

1 stop

5:00 am - 1:42 pm

BOI

BOS

6h 42m

1 stop

$257United Airlines

Tue, Mar 17 - Tue, Mar 24

6:30 am - 12:29 pm

BOS

GEG

8h 59m

1 stop

6:00 am - 7:31 pm

GEG

BOS

10h 31m

2 stops

$262American Airlines

Wed, Apr 15 - Tue, Apr 21

5:50 am - 2:05 pm

BOS

BOI

10h 15m

1 stop

11:30 pm - 10:04 am

BOI

BOS

8h 34m

1 stop

$273Delta

Wed, Mar 18 - Tue, Mar 24

7:00 am - 6:22 pm

BOS

SUN

13h 22m

1 stop

7:04 pm - 6:54 am

SUN

BOS

9h 50m

1 stop

$289Alaska Airlines

Mon, Feb 23 - Wed, Feb 25

6:24 pm - 11:59 pm

BOS

GEG

8h 35m

1 stop

5:57 pm - 6:54 am

GEG

BOS

9h 57m

1 stop

$297Alaska Airlines

Wed, Mar 4 - Wed, Mar 11

12:07 pm - 8:33 pm

BOS

GEG

11h 26m

2 stops

6:00 am - 7:31 pm

GEG

BOS

10h 31m

2 stops

$324American Airlines

Wed, Apr 22 - Tue, Apr 28

American Airlines flights from Boston to Idaho

Our best American Airlines deals on Boston to Idaho flight tickets

American Airlines

Apr 15

BOS6:30 amBoston Logan Intl

8h 59m

1 stop

GEG12:29 pmSpokane

Apr 21

GEG6:00 amSpokane

10h 31m

2 stops

BOS7:31 pmBoston Logan Intl

$262

American Airlines

Feb 24

BOS1:00 pmBoston Logan Intl

11h 22m

2 stops

BOI10:22 pmBoise Air Term. Gowen Fld

Feb 26

BOI6:33 pmBoise Air Term. Gowen Fld

9h 02m

1 stop

BOS5:35 amBoston Logan Intl

$322

American Airlines

Apr 22

BOS12:07 pmBoston Logan Intl

11h 26m

2 stops

GEG8:33 pmSpokane

Apr 28

GEG6:00 amSpokane

10h 31m

2 stops

BOS7:31 pmBoston Logan Intl

$324

Alaska Airlines flights from Boston to Idaho

Our best Alaska Airlines deals on Boston to Idaho flight tickets

Alaska Airlines

Feb 23

BOS7:00 amBoston Logan Intl

13h 22m

1 stop

SUN6:22 pmHailey Sun Valley-Friedman

Feb 25

SUN7:04 pmHailey Sun Valley-Friedman

9h 50m

1 stop

BOS6:54 amBoston Logan Intl

$289

Alaska Airlines

Mar 4

BOS6:24 pmBoston Logan Intl

8h 35m

1 stop

GEG11:59 pmSpokane

Mar 11

GEG5:57 pmSpokane

9h 57m

1 stop

BOS6:54 amBoston Logan Intl

$297

Alaska Airlines

Feb 28

BOS6:24 pmBoston Logan Intl

17h 16m

1 stop

BOI9:40 amBoise Air Term. Gowen Fld

Mar 10

BOI4:30 pmBoise Air Term. Gowen Fld

12h 24m

2 stops

BOS6:54 amBoston Logan Intl

$315

Fly from

Fly to

Route

Depart

Return

Price

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Wed 4/15

8:05 am-1:03 pm

1 stop7h 58m

Spokane

Tue 4/21

6:59 pm-6:00 am

1 stop8h 01m

$237

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Tue 3/3

6:00 am-12:33 pm

1 stop8h 33m

Boise Air Term. Gowen Fld

Tue 3/10

6:24 am-5:04 pm

1 stop8h 40m

$237

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Tue 3/3

2:20 pm-11:23 pm

2 stops11h 03m

Boise Air Term. Gowen Fld

Tue 3/10

2:40 pm-11:53 pm

1 stop7h 13m

$242

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Wed 4/22

11:00 am-6:51 pm

1 stop10h 51m

Spokane

Tue 4/28

1:43 pm-11:59 pm

1 stop7h 16m

$257

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Tue 3/17

7:55 am-4:49 pm

1 stop10h 54m

Boise Air Term. Gowen Fld

Tue 3/24

5:00 am-1:42 pm

1 stop6h 42m

$257

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Wed 4/15

6:30 am-12:29 pm

1 stop8h 59m

Spokane

Tue 4/21

6:00 am-7:31 pm

2 stops10h 31m

$262

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Wed 3/18

5:50 am-2:05 pm

1 stop10h 15m

Boise Air Term. Gowen Fld

Tue 3/24

11:30 pm-10:04 am

1 stop8h 34m

$273

BostonHailey

BOS - SUN

BOSSUN

Boston Logan Intl

Mon 2/23

7:00 am-6:22 pm

1 stop13h 22m

Hailey Sun Valley-Friedman

Wed 2/25

7:04 pm-6:54 am

1 stop9h 50m

$289

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Wed 3/4

6:24 pm-11:59 pm

1 stop8h 35m

Spokane

Wed 3/11

5:57 pm-6:54 am

1 stop9h 57m

$297

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Wed 4/22

12:07 pm-8:33 pm

2 stops11h 26m

Spokane

Tue 4/28

6:00 am-7:31 pm

2 stops10h 31m

$324

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, July 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 $432. If you don’t want to visit Idaho in July, then you should wait until January to fly from Boston, when ticket prices are also cheap, with an average price of $436.

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 $479 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 $368 on momondo.

Can stopping save me money on Boston to Idaho flights?

You could potentially save up to 37% 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 58m
Direct flights	None

The fastest flight from Boston to Idaho takes 6h 58m

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 February 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 $239	Free Cancellation	Rating 7.9 8,138 reviews	Search Delta flights
American Airlines	PriceFrom $264	Free Cancellation	Rating 7.2 11,216 reviews	Search American Airlines flights
Alaska Airlines	PriceFrom $296	Free Cancellation	Rating 8.0 11,833 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $369	Free Cancellation	Rating 7.4 9,236 reviews	Search United Airlines flights
Southwest	PriceFrom $370	Free Cancellation	Rating 8.0 4,272 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.

An easier way to manage your Idaho 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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Popular cities in Idaho

Flights to New Yorkfrom $49

Flights to Los Angelesfrom $46

Flights to Miamifrom $27

Flights to Chicagofrom $49

Flights to Orlandofrom $50

Flights to San Franciscofrom $54

Flights to Las Vegasfrom $49

Flights to Washington, D.C.from $51

Flights to Bostonfrom $51

Flights to Atlantafrom $49

Flights to Dallasfrom $49

Flights to Seattlefrom $83

Cheap flights from Boston to Idaho from $119

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 departing on 3/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

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Find the cheapest flights from Boston to Idaho

Cheap round-trip flights

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American Airlines flights from Boston to Idaho

Our best American Airlines deals on Boston to Idaho flight tickets

Alaska Airlines flights from Boston to Idaho

Our best Alaska Airlines deals on Boston to Idaho flight tickets

momondo Fare Finder

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

See travel insights to Idaho from

How to get the cheapest flight ticket from Boston to Idaho

What is the cheapest month to fly to Idaho?

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

Can stopping save me money on Boston to Idaho flights?

You could potentially save up to 37% on your flight if you consider stops on a Boston to Idaho flight.

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

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

What airlines fly to Idaho?

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

Direct flights

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

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

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

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

Best airlines flying from Boston to Idaho

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

Why use momondo?

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

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

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

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

An easier way to manage your Idaho 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 Idaho

Popular cities in Idaho

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

Boston flight routes

According to popular flight searches on momondo this year

Idaho flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Idaho

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

Complete your trip to Idaho

Explore popular destinations other users love

According to popular flight searches on momondo this year