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

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

How many flights depart from Boston to Idaho on average per week?

As of August 2025, 3 flights take off from Boston and land in Idaho each week. The most common flight departure day for this route is Mon, with 33% of weekly flights taking off on this day.

What airlines fly to Idaho?

Delta, United Airlines and Southwest 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 50% of people opting to fly with this airline when traveling to Idaho. Keep in mind that there are 6 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 6 as of August 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.

$148 Cheap Flights from Boston to Idaho in 2025

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Find the cheapest flights from Boston to Idaho

Round-trip

One-way

Last minute

Cheap round-trip flights

7:20 am - 12:46 pmBOS-GEG

8h 26m1 stop

1:40 pm - 12:27 amGEG-BOS

7h 47m1 stop

$273Hawaiian Airlines

Find Deal

Sat, Sep 6 - Sat, Sep 13

5:15 am - 2:50 pmBOS-WYS

11h 35m2 stops

3:25 pm - 11:58 pmWYS-BOS

6h 33m1 stop

$292Delta

Find Deal

Mon, Sep 1 - Sat, Sep 6

9:20 am - 4:51 pmBOS-GEG

10h 31m1 stop

1:40 pm - 12:27 amGEG-BOS

7h 47m1 stop

$296Alaska Airlines

Find Deal

Wed, Sep 24 - Tue, Sep 30

12:52 pm - 7:17 pmBOS-GEG

9h 25m1 stop

7:00 am - 4:46 pmGEG-BOS

6h 46m1 stop

$297American Airlines

Find Deal

Sat, Sep 20 - Tue, Sep 23

6:10 am - 11:31 amBOS-BOI

7h 21m1 stop

12:27 pm - 11:57 pmBOI-BOS

9h 30m2 stops

$300United Airlines

Find Deal

Tue, Sep 2 - Tue, Sep 9

10:41 am - 6:39 pmBOS-GEG

10h 58m1 stop

7:00 am - 6:59 pmGEG-BOS

8h 59m2 stops

$302American Airlines

Find Deal

Wed, Sep 24 - Tue, Sep 30

7:00 am - 11:59 pmBOS-BOI

18h 59m2 stops

6:45 pm - 5:23 pmBOI-BOS

20h 38m2 stops

$313Alaska Airlines

Find Deal

Tue, Oct 28 - Tue, Nov 4

9:53 am - 8:24 pmBOS-GEG

13h 31m2 stops

1:38 pm - 11:44 pmGEG-BOS

7h 06m1 stop

$319United Airlines

Find Deal

Sat, Sep 27 - Sat, Oct 4

6:40 am - 4:25 pmBOS-GEG

12h 45m1 stop

5:45 am - 8:05 pmGEG-BOS

11h 20m2 stops

$378Southwest

Find Deal

Fri, Sep 26 - Mon, Sep 29

2:50 pm - 10:30 pmBOS-GEG

10h 40m2 stops

5:45 am - 9:35 pmGEG-BOS

12h 50m2 stops

$382Southwest

Find Deal

Wed, Sep 24 - Tue, Sep 30

Spirit Airlines flights from Boston to Idaho

Our best Spirit Airlines deals on Boston to Idaho flight tickets

Spirit Airlines

Aug 30

BOS2:53 pmBoston Logan Intl

28h 18m

3 stops

BOI5:11 pmBoise Air Term. Gowen Fld

Sep 6

BOI2:16 pmBoise Air Term. Gowen Fld

18h 57m

2 stops

BOS11:13 amBoston Logan Intl

$296

Find similar

Spirit Airlines

Sep 15

BOS5:50 amBoston Logan Intl

16h 41m

3 stops

BOI8:31 pmBoise Air Term. Gowen Fld

Sep 22

BOI9:26 pmBoise Air Term. Gowen Fld

23h 21m

2 stops

BOS10:47 pmBoston Logan Intl

$339

Find similar

Spirit Airlines

Sep 5

BOS5:50 amBoston Logan Intl

16h 41m

2 stops

BOI8:31 pmBoise Air Term. Gowen Fld

Sep 12

BOI9:26 pmBoise Air Term. Gowen Fld

23h 21m

2 stops

BOS10:47 pmBoston Logan Intl

$349

Find similar

Alaska Airlines flights from Boston to Idaho

Our best Alaska Airlines deals on Boston to Idaho flight tickets

Alaska Airlines

Sep 24

BOS9:20 amBoston Logan Intl

10h 31m

1 stop

GEG4:51 pmSpokane

Sep 30

GEG1:40 pmSpokane

7h 47m

1 stop

BOS12:27 amBoston Logan Intl

$296

Find similar

Alaska Airlines

Oct 28

BOS7:00 amBoston Logan Intl

18h 59m

2 stops

BOI11:59 pmBoise Air Term. Gowen Fld

Nov 4

BOI6:45 pmBoise Air Term. Gowen Fld

20h 38m

2 stops

BOS5:23 pmBoston Logan Intl

$313

Find similar

Alaska Airlines

Sep 15

BOS7:45 amBoston Logan Intl

17h 58m

1 stop

BOI11:43 pmBoise Air Term. Gowen Fld

Sep 22

BOI4:00 pmBoise Air Term. Gowen Fld

12h 00m

1 stop

BOS6:00 amBoston Logan Intl

$324

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Sat 9/6

7:20 am-12:46 pm

1 stop8h 26m

Spokane

Sat 9/13

1:40 pm-12:27 am

1 stop7h 47m

$273

BostonWest Yellowstone

BOS - WYS

BOSWYS

Boston Logan Intl

Mon 9/1

5:15 am-2:50 pm

2 stops11h 35m

West Yellowstone

Sat 9/6

3:25 pm-11:58 pm

1 stop6h 33m

$292

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Wed 9/24

9:20 am-4:51 pm

1 stop10h 31m

Spokane

Tue 9/30

1:40 pm-12:27 am

1 stop7h 47m

$296

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Sat 9/20

12:52 pm-7:17 pm

1 stop9h 25m

Spokane

Tue 9/23

7:00 am-4:46 pm

1 stop6h 46m

$297

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Tue 9/2

6:10 am-11:31 am

1 stop7h 21m

Boise Air Term. Gowen Fld

Tue 9/9

12:27 pm-11:57 pm

2 stops9h 30m

$300

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Wed 9/24

10:41 am-6:39 pm

1 stop10h 58m

Spokane

Tue 9/30

7:00 am-6:59 pm

2 stops8h 59m

$302

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Tue 10/28

7:00 am-11:59 pm

2 stops18h 59m

Boise Air Term. Gowen Fld

Tue 11/4

6:45 pm-5:23 pm

2 stops20h 38m

$313

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Sat 9/27

9:53 am-8:24 pm

2 stops13h 31m

Spokane

Sat 10/4

1:38 pm-11:44 pm

1 stop7h 06m

$319

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Fri 9/26

6:40 am-4:25 pm

1 stop12h 45m

Spokane

Mon 9/29

5:45 am-8:05 pm

2 stops11h 20m

$378

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Wed 9/24

2:50 pm-10:30 pm

2 stops10h 40m

Spokane

Tue 9/30

5:45 am-9:35 pm

2 stops12h 50m

$382

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

Other information

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 $374. 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 $463 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 $409 on momondo.

Can stopping save me money on Boston to Idaho flights?

You could potentially save up to 23% 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

Best Price Found	$148
Fastest flight time	7h 07m
Direct flights	None
Airports in Idaho	6 airports

The best one-way flight to Idaho from Boston in the past 72 hours is $148. The best round-trip flight deal from Boston to Idaho found on momondo in the last 72 hours is $273.

The fastest flight from Boston to Idaho takes 7h 07m

There are no direct flights from Boston to Idaho. Popular non-direct routes for this connection are Boston Logan Intl Airport - Idaho Falls Fanning Field Airport, Boston Logan Intl Airport - Spokane Airport and Boston Logan Intl Airport - Boise Air Term. Gowen Fld Airport.

There are 6 airports near Idaho: West Yellowstone (WYS), Twin Falls Joslin (TWF), Idaho Falls Fanning Field (IDA), Spokane (GEG), Boise Air Term. Gowen Fld (BOI), Jackson Hole (JAC)

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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 6 as of August 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
Spirit Airlines	PriceFrom $239	Free Cancellation	Rating 6.3 8,058 reviews	Search Spirit Airlines flights
American Airlines	PriceFrom $264	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Delta	PriceFrom $285	Free Cancellation	Rating 8.0 7,985 reviews	Search Delta flights
Alaska Airlines	PriceFrom $320	Free Cancellation	Rating 8.0 10,000 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $330	Free Cancellation	Rating 7.4 8,905 reviews	Search United Airlines flights
Southwest	PriceFrom $387	Free Cancellation	Rating 8.0 4,246 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.