What is the cheapest airline that flies from Massachusetts to Idaho?

Delta, American Airlines, and United Airlines are the most popular carriers operating from Massachusetts 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 Massachusetts according to our data. Delta is the first choice among our users, with 41% 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 Massachusetts to Idaho?

Prices for flights from Massachusetts to Idaho refresh daily.

How many operators does momondo search for flights from Massachusetts to Idaho?

The number of operators available for flights from Massachusetts to Idaho is 5 as of March 2026.

How old do you have to be to fly from Massachusetts to Idaho?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Massachusetts to Idaho.

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

The travel and health documents required for your trip to Idaho can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Idaho. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$137 Cheap Flights from Massachusetts to Idaho in 2026

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Find the cheapest flights from Massachusetts to Idaho

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:10 am - 11:56 am

BOS

BOI

7h 46m

1 stop

6:41 pm - 6:20 am

BOI

BOS

9h 39m

1 stop

$273Delta

Tue, May 19 - Tue, Jun 2

8:10 am - 1:11 pm

BOS

GEG

8h 01m

1 stop

6:45 pm - 6:20 am

GEG

BOS

8h 35m

1 stop

$275Delta

Tue, May 12 - Tue, May 19

8:26 am - 4:55 pm

BOS

GEG

11h 29m

1 stop

6:34 am - 9:01 pm

GEG

BOS

11h 27m

2 stops

$293American Airlines

Tue, May 12 - Tue, May 19

5:05 pm - 11:59 pm

BOS

BOI

8h 54m

1 stop

7:20 pm - 7:12 am

BOI

BOS

9h 52m

1 stop

$293Alaska Airlines

Sat, May 2 - Tue, May 5

5:05 pm - 11:30 pm

BOS

BOI

8h 25m

1 stop

6:00 am - 6:35 pm

BOI

BOS

10h 35m

2 stops

$306Southwest

Mon, Apr 27 - Tue, May 5

5:05 pm - 11:59 pm

BOS

BOI

8h 54m

1 stop

6:08 pm - 7:12 am

BOI

BOS

11h 04m

1 stop

$309Alaska Airlines

Sat, May 2 - Tue, May 5

3:45 pm - 12:45 am

BOS

BOI

11h 00m

2 stops

6:00 am - 6:35 pm

BOI

BOS

10h 35m

2 stops

$311Southwest

Mon, Apr 27 - Tue, May 5

7:00 am - 1:14 pm

BOS

GEG

9h 14m

1 stop

2:08 pm - 12:15 am

GEG

BOS

7h 07m

1 stop

$312American Airlines

Mon, Jun 1 - Tue, Jun 9

7:05 am - 3:15 pm

BOS

GEG

11h 10m

2 stops

1:41 pm - 11:59 pm

GEG

BOS

7h 18m

1 stop

$322United Airlines

Sat, Apr 25 - Sat, May 2

6:00 am - 11:32 am

BOS

BOI

7h 32m

1 stop

6:30 am - 5:04 pm

BOI

BOS

8h 34m

1 stop

$343United Airlines

Wed, Jun 3 - Sat, Jun 6

Alaska Airlines flights from Massachusetts to Idaho

Our best Alaska Airlines deals on Massachusetts to Idaho flight tickets

Alaska Airlines

May 2

BOS5:05 pmBoston Logan Intl

8h 54m

1 stop

BOI11:59 pmBoise Air Term. Gowen Fld

May 5

BOI7:20 pmBoise Air Term. Gowen Fld

9h 52m

1 stop

BOS7:12 amBoston Logan Intl

$293

Alaska Airlines

May 2

BOS5:05 pmBoston Logan Intl

8h 54m

1 stop

BOI11:59 pmBoise Air Term. Gowen Fld

May 5

BOI6:08 pmBoise Air Term. Gowen Fld

11h 04m

1 stop

BOS7:12 amBoston Logan Intl

$309

Alaska Airlines

May 2

BOS4:33 pmBoston Logan Intl

9h 38m

1 stop

GEG11:11 pmSpokane

May 6

GEG7:41 pmSpokane

8h 31m

1 stop

BOS7:12 amBoston Logan Intl

$311

United Airlines flights from Massachusetts to Idaho

Our best United Airlines deals on Massachusetts to Idaho flight tickets

United Airlines

Apr 25

BOS7:05 amBoston Logan Intl

11h 10m

2 stops

GEG3:15 pmSpokane

May 2

GEG1:41 pmSpokane

7h 18m

1 stop

BOS11:59 pmBoston Logan Intl

$322

United Airlines

Jun 3

BOS6:00 amBoston Logan Intl

7h 32m

1 stop

BOI11:32 amBoise Air Term. Gowen Fld

Jun 6

BOI6:30 amBoise Air Term. Gowen Fld

8h 34m

1 stop

BOS5:04 pmBoston Logan Intl

$343

United Airlines

Apr 25

BDL5:10 pmHartford Bradley Intl

8h 01m

1 stop

GEG10:11 pmSpokane

May 2

GEG1:41 pmSpokane

7h 16m

1 stop

BDL11:57 pmHartford Bradley Intl

$355

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Tue 5/19

6:10 am-11:56 am

1 stop7h 46m

Boise Air Term. Gowen Fld

Tue 6/2

6:41 pm-6:20 am

1 stop9h 39m

$273

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Tue 5/12

8:10 am-1:11 pm

1 stop8h 01m

Spokane

Tue 5/19

6:45 pm-6:20 am

1 stop8h 35m

$275

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Tue 5/12

8:26 am-4:55 pm

1 stop11h 29m

Spokane

Tue 5/19

6:34 am-9:01 pm

2 stops11h 27m

$293

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Sat 5/2

5:05 pm-11:59 pm

1 stop8h 54m

Boise Air Term. Gowen Fld

Tue 5/5

7:20 pm-7:12 am

1 stop9h 52m

$293

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Mon 4/27

5:05 pm-11:30 pm

1 stop8h 25m

Boise Air Term. Gowen Fld

Tue 5/5

6:00 am-6:35 pm

2 stops10h 35m

$306

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Sat 5/2

5:05 pm-11:59 pm

1 stop8h 54m

Boise Air Term. Gowen Fld

Tue 5/5

6:08 pm-7:12 am

1 stop11h 04m

$309

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Mon 4/27

3:45 pm-12:45 am

2 stops11h 00m

Boise Air Term. Gowen Fld

Tue 5/5

6:00 am-6:35 pm

2 stops10h 35m

$311

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Mon 6/1

7:00 am-1:14 pm

1 stop9h 14m

Spokane

Tue 6/9

2:08 pm-12:15 am

1 stop7h 07m

$312

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Sat 4/25

7:05 am-3:15 pm

2 stops11h 10m

Spokane

Sat 5/2

1:41 pm-11:59 pm

1 stop7h 18m

$322

Quickest round-trip

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Wed 6/3

6:00 am-11:32 am

1 stop7h 32m

Boise Air Term. Gowen Fld

Sat 6/6

6:30 am-5:04 pm

1 stop8h 34m

$343

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 Massachusetts 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 Massachusetts 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 Massachusetts, 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 Massachusetts 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 Massachusetts for as low as $361 on momondo.

Can stopping save me money on Massachusetts to Idaho flights?

You could potentially save up to 2% on your flight if you consider stops on a Massachusetts to Idaho flight.

Cheap Massachusetts to Idaho flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Massachusetts to Idaho

Fastest flight time	7h 02m
Direct flights	None

The fastest flight from Massachusetts to Idaho takes 7h 02m

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

Search flight deals

When did momondo last update prices for flights from Massachusetts to Idaho?
Prices for flights from Massachusetts to Idaho refresh daily.
How many operators does momondo search for flights from Massachusetts to Idaho?
The number of operators available for flights from Massachusetts to Idaho is 5 as of March 2026.
How old do you have to be to fly from Massachusetts to Idaho?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Massachusetts to Idaho.
What documentation or ID do you need to fly to Idaho?
The travel and health documents required for your trip to Idaho can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Idaho. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Massachusetts to Idaho

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

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $236	Free Cancellation	Rating 7.9 8,357 reviews	Search Delta flights
American Airlines	PriceFrom $264	Free Cancellation	Rating 7.1 11,520 reviews	Search American Airlines flights
United Airlines	PriceFrom $282	Free Cancellation	Rating 7.4 9,499 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $296	Free Cancellation	Rating 7.9 12,133 reviews	Search Alaska Airlines flights
Southwest	PriceFrom $370	Free Cancellation	Rating 8.0 4,333 reviews	Search Southwest flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Massachusetts to Idaho. Millions of users trust and use momondo every year so you are in good hands.

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

All flight searches from Massachusetts to Idaho on momondo can be filtered to show those which offer flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Idaho from Massachusetts. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to Idaho from Massachusetts. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.