Idaho

$143+ Cheap flights from Massachusetts to Idaho

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — BOI
Jul 20 — Jul 271
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Massachusetts to Idaho with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Massachusetts to Idaho

Cheapest flights from Massachusetts to Idaho
Explore the most affordable flight options available from Massachusetts to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 20, 2026.

This Delta deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/118:15 am
BOS
-
BOI
1 stop7h 29m
Delta
Mon 9/1411:35 pm
BOI
-
BOS
1 stop9h 33m
Delta
Deal found 6/16$285
This Delta deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/253:40 pm
BOS
-
BOI
1 stop8h 48m
Delta
Sun 6/287:53 pm
BOI
-
BOS
1 stop9h 42m
Delta
Deal found 6/16$290
This Delta deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/276:45 pm
BOS
-
GEG
1 stop8h 08m
Delta
Wed 9/212:36 pm
GEG
-
BOS
1 stop9h 49m
Delta
Deal found 6/16$293
This Southwest deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/159:05 am
BOS
-
BOI
1 stop12h 40m
Southwest
Sat 9/191:50 pm
BOI
-
BOS
1 stop14h 10m
Southwest
Deal found 6/18$296
This Delta deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/412:45 pm
BOS
-
GEG
1 stop11h 52m
Delta
Sun 11/85:40 pm
GEG
-
BOS
1 stop9h 53m
Delta
Deal found 6/17$298
This United Airlines deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/46:00 am
BOS
-
BOI
1 stop7h 32m
United Airlines
Mon 7/137:05 pm
BOI
-
BOS
1 stop10h 56m
United Airlines
Deal found 6/19$299
This Southwest deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1711:15 am
BOS
-
BOI
1 stop11h 25m
Southwest
Wed 8/192:40 pm
BOI
-
BOS
1 stop7h 25m
Southwest
Deal found 6/17$300
This Delta deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/67:05 am
BOS
-
BOI
1 stop9h 17m
Delta
Tue 10/132:35 pm
BOI
-
BOS
1 stop7h 45m
Delta
Deal found 6/18$303
This Southwest deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1912:10 pm
BOS
-
BOI
2 stops11h 20m
Southwest
Sat 9/261:50 pm
BOI
-
BOS
1 stop14h 10m
Southwest
Deal found 6/17$311
This Delta deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/247:45 am
BOS
-
BOI
1 stop9h 27m
Delta
Mon 6/295:30 am
BOI
-
BOS
1 stop9h 15m
Delta
Deal found 6/16$312
This American Airlines deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/187:10 am
BOS
-
BOI
1 stop9h 10m
American Airlines
Sat 8/222:58 pm
BOI
-
BOS
1 stop7h 00m
American Airlines
Deal found 6/19$313
This Alaska Airlines deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/85:06 pm
BOS
-
BOI
1 stop8h 53m
Alaska Airlines
Wed 12/96:00 am
BOI
-
BOS
1 stop8h 46m
Alaska Airlines
Deal found 6/15$315

Find flight deals from Massachusetts to Idaho

Keep the following information in mind while searching for Massachusetts to Idaho flight deals. Data was last updated June 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$285
(Delta)

One-way from

$143
(Delta)

Popular in

December

Cheapest in

May

Average price

$564
Provider with most accurate pricing for Boston Logan Intl-Boise Air Term. Gowen Fld flight deals.
Provider most trusted by Cheapflights users for Boston Logan Intl-Boise Air Term. Gowen Fld flights.
From Massachusetts to Idaho
One-way flight from Massachusetts to Idaho
Highest demand for flights based on searches. 1% potential increase in price ($6 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Average for round-trip flights in June 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from Massachusetts to Idaho that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 20, 2026.
Use the filters below to find and compare flights from Massachusetts to Idaho that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Fri 9/11

7:05 am-1:44 pm

1 stop8h 39m

Boise Air Term. Gowen Fld

Tue 9/15

6:40 pm-6:30 am

1 stop9h 50m

$285

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Sat 9/19

8:15 am-1:38 pm

1 stop7h 23m

Boise Air Term. Gowen Fld

Sat 9/26

4:00 pm-5:33 am

1 stop11h 33m

$285

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Tue 9/15

9:05 am-7:45 pm

1 stop12h 40m

Boise Air Term. Gowen Fld

Sat 9/19

1:50 pm-6:00 am

1 stop14h 10m

$296

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Fri 7/10

5:55 pm-11:46 pm

1 stop7h 51m

Boise Air Term. Gowen Fld

Sun 7/12

7:28 pm-7:35 am

1 stop10h 07m

$312

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Fri 9/11

7:12 am-3:30 pm

1 stop10h 18m

Boise Air Term. Gowen Fld

Tue 9/15

7:48 pm-7:39 am

1 stop9h 51m

$327

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Thu 8/13

11:15 am-8:40 pm

1 stop11h 25m

Boise Air Term. Gowen Fld

Wed 8/19

2:40 pm-12:05 am

1 stop7h 25m

$327

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Wed 10/21

5:15 am-10:40 am

1 stop7h 25m

Boise Air Term. Gowen Fld

Fri 10/23

11:45 am-9:05 pm

1 stop7h 20m

$327

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Mon 8/17

5:51 am-12:57 pm

1 stop10h 06m

Spokane

Tue 8/25

6:45 am-7:15 pm

1 stop9h 30m

$337

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Tue 10/6

5:15 am-10:40 am

1 stop7h 25m

Boise Air Term. Gowen Fld

Tue 10/13

11:20 am-11:50 pm

2 stops10h 30m

$355

HartfordSpokane

BDL - GEG

BDLGEG

Hartford Bradley Intl

Tue 9/8

7:00 am-12:58 pm

1 stop8h 58m

Spokane

Wed 9/9

2:05 pm-11:45 pm

1 stop6h 40m

$355

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/16

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

Best time to book a flight from Massachusetts to Idaho

Have a flexible travel schedule? Discover the best time to fly to Idaho from Massachusetts with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Massachusetts to Idaho

What is the cheapest month to book a flight from Massachusetts to Idaho?

Currently, August is the cheapest month in which you can book a flight from Massachusetts to Idaho (average of $142). Flying from Massachusetts to Idaho in June is currently the most expensive (average of $306). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Massachusetts to Idaho?

How far ahead should I book a flight from Massachusetts to Idaho?

Booking 59 days in advance of your planned departure date is, on average, the best time to get cheap flights from Massachusetts to Idaho. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Reviews of airlines servicing Idaho

Get insights into the airlines that provide service to Idaho. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Idaho. Reviews last updated June 20, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines,Southwest, andDelta from Massachusetts to Idaho to help guide your decision. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.5

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Food

7.1

Overall

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

Crew

8.5

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Food

7.1

Overall

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

Crew

8.5

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Food

7.1

Overall

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

Crew

8.5

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Food

7.1

Overall

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

Crew

8.5

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Food

7.1

Overall

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

Crew

8.5

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Food

7.1

Overall

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

Related info for your journey

Find useful and relevant information for your journey from Massachusetts to Idaho. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from Massachusetts to Idaho?

    Delta, Southwest, and American Airlines can get you from Massachusetts to Idaho in just under 7h 23m. Your travel time can differ by up to 5h 20m. Massachusetts and Idaho are separated by a distance of 2257 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Massachusetts to Idaho one-way?

    For one-way options, check prices for Delta. According to our data, you can fly for as low as $133. Users have also found prices from $164 and $172 on Alaska Airlines and American Airlines, respectively.

  • Can I find deals for flights from Massachusetts to Idaho that include hotel bookings?

    Yes. In addition to deals on Massachusetts to Idaho flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Massachusetts to Idaho?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Massachusetts to Idaho.

  • Can I find deals for business class flights from Massachusetts to Idaho?

    Yes. Cheapflights offers flight deals from Massachusetts to Idaho by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Massachusetts to Idaho?

    Currently, August is the cheapest month in which you can book a flight from Massachusetts to Idaho (average of $142). Flying from Massachusetts to Idaho in June is currently the most expensive (average of $306). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Massachusetts to Idaho

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Massachusetts to Idaho

Discover the top 5 airlines that operate flights from Massachusetts to Idaho. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$272Average$530FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$281Average$506FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$293Average$588FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$306Average$480FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$369Average$577FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.