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Idaho

$129+ 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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — BOI
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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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 January 29, 2026.

This American Airlines deal was found by Cheapflights users on 1/28. 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 3/108:26 am
BOS
-
GEG
1 stop11h 28m
American Airlines
Wed 3/1112:25 pm
GEG
-
BOS
1 stop8h 40m
American Airlines
Deal found 1/28$257
This United Airlines deal was found by Cheapflights users on 1/26. 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.
Wed 2/254:47 pm
BOS
-
BOI
1 stop9h 01m
United Airlines
Wed 3/45:00 am
BOI
-
BOS
1 stop6h 54m
United Airlines
Deal found 1/26$257
This United Airlines deal was found by Cheapflights users on 1/28. 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.
Tue 3/107:00 am
BOS
-
GEG
1 stop8h 41m
United Airlines
Wed 3/116:37 pm
GEG
-
BOS
2 stops10h 08m
United Airlines
Deal found 1/28$262
This American Airlines deal was found by Cheapflights users on 1/27. 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 8/2512:27 pm
BDL
-
JAC
1 stop9h 07m
American Airlines
Wed 9/23:30 pm
JAC
-
BDL
1 stop6h 29m
American Airlines
Deal found 1/27$289
This American Airlines deal was found by Cheapflights users on 1/26. 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.
Wed 2/251:00 pm
BOS
-
BOI
2 stops11h 22m
American Airlines
Wed 3/41:30 pm
BOI
-
BOS
1 stop8h 29m
American Airlines
Deal found 1/26$291
This flugladen.de deal was found by Cheapflights users on 1/28. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/196:24 pm
BOS
-
GEG
1 stop8h 35m
Hawaiian Airlines
Wed 2/257:06 pm
GEG
-
BOS
1 stop8h 48m
Hawaiian Airlines
Deal found 1/28$292
This Delta deal was found by Cheapflights users on 1/28. 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 3/185:50 am
BOS
-
BOI
1 stop10h 15m
Delta
Tue 3/2411:30 pm
BOI
-
BOS
1 stop9h 58m
Delta
Deal found 1/28$293
This Expedia deal was found by Cheapflights users on 1/26. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/186:24 pm
BOS
-
GEG
1 stop8h 35m
Alaska Airlines
Mon 2/238:29 pm
GEG
-
BOS
1 stop7h 25m
Alaska Airlines
Deal found 1/26$297
This Delta deal was found by Cheapflights users on 1/27. 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.
Mon 3/25:35 am
BOS
-
JAC
1 stop9h 50m
Delta
Wed 3/111:35 pm
JAC
-
BOS
1 stop8h 14m
Delta
Deal found 1/27$297
This American Airlines deal was found by Cheapflights users on 1/27. 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.
Mon 3/26:00 am
BOS
-
JAC
2 stops10h 26m
American Airlines
Wed 3/111:44 pm
JAC
-
BOS
1 stop7h 17m
American Airlines
Deal found 1/27$302
This American Airlines deal was found by Cheapflights users on 1/28. 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.
Thu 2/192:36 pm
BOS
-
GEG
1 stop9h 36m
American Airlines
Wed 2/256:00 am
GEG
-
BOS
2 stops10h 04m
American Airlines
Deal found 1/28$304
This Alaska Airlines deal was found by Cheapflights users on 1/27. 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.
Fri 2/207:00 am
BOS
-
SUN
1 stop13h 22m
Alaska Airlines
Fri 2/2711:52 am
SUN
-
BOS
1 stop10h 07m
Alaska Airlines
Deal found 1/27$309

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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$257
(American Airlines)

One-way from

$129
(American Airlines)

Popular in

December

Cheapest in

July

Average price

$436
Provider with most accurate pricing for Boston Logan Intl-Boise Air Term. Gowen Fld flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Boise Air Term. Gowen Fld flights.
Search Deals
From Massachusetts to Idaho
Search Deals
One-way flight from Massachusetts to Idaho
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($13 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 29, 2026.
Use the filters below to find and compare flights from Massachusetts to Idaho that are best for you.

Fly from

Massachusetts

Fly to

Idaho

Route

Depart

Return

Price

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Wed 2/25

4:47 pm-11:48 pm

1 stop9h 01m

Boise Air Term. Gowen Fld

Wed 3/4

5:00 am-1:54 pm

1 stop6h 54m

$257

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Tue 3/10

7:00 am-12:41 pm

1 stop8h 41m

Spokane

Wed 3/11

6:37 pm-7:45 am

2 stops10h 08m

$262

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Wed 2/18

6:24 pm-11:59 pm

1 stop8h 35m

Spokane

Mon 2/23

8:29 pm-6:54 am

1 stop7h 25m

$297

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Tue 5/26

6:22 am-1:13 pm

1 stop8h 51m

Idaho Falls Fanning Field

Thu 6/4

12:41 pm-11:59 pm

1 stop9h 18m

$329

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Thu 2/26

1:50 pm-9:07 pm

1 stop10h 17m

Spokane

Thu 3/5

6:37 pm-5:51 am

1 stop8h 14m

$337

BostonHailey

BOS - SUN

BOSSUN

Boston Logan Intl

Fri 2/20

12:26 pm-10:02 pm

2 stops11h 36m

Hailey Sun Valley-Friedman

Fri 2/27

1:26 pm-11:59 pm

1 stop8h 33m

$339

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Wed 2/18

6:00 am-12:42 pm

2 stops9h 42m

Spokane

Mon 2/23

12:38 pm-12:49 am

1 stop9h 11m

$339

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Wed 3/18

7:15 am-9:22 pm

1 stop16h 07m

Boise Air Term. Gowen Fld

Wed 3/25

11:58 am-11:59 pm

1 stop10h 01m

$340

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Wed 3/4

3:09 pm-9:17 pm

1 stop9h 08m

Spokane

Sun 3/8

6:37 pm-5:51 am

1 stop8h 14m

$347

BostonJackson

BOS - JAC

BOSJAC

Boston Logan Intl

Fri 3/13

7:00 am-11:08 am

1 stop30h 08m

Jackson Hole

Thu 3/19

1:35 pm-6:39 am

2 stops15h 04m

$352

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 60 results
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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, April is the cheapest month in which you can book a flight from Massachusetts to Idaho (average of $204). Flying from Massachusetts to Idaho in June is currently the most expensive (average of $320). 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?

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 January 29, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest, and Delta 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.
Alaska Airlines
8.0
Very good
11,807 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Alaska Airlines
8.0
Very good
11,807 reviews
Alaska Airlines
8.0
Very good
11,807 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Southwest
8.0
Very good
4,267 reviews
Alaska Airlines
8.0
Very good
11,807 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Delta
7.9
Good
8,128 reviews
Alaska Airlines
8.0
Very good
11,807 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
United Airlines
7.4
Good
9,215 reviews
Alaska Airlines
8.0
Very good
11,807 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
American Airlines
7.2
Good
11,205 reviews
Alaska Airlines
8.0
Very good
11,807 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

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?

    United Airlines, Alaska Airlines, and American Airlines can get you from Massachusetts to Idaho in just under 8h 35m. Your travel time can differ by up to 26m. Massachusetts and Idaho are separated by a distance of 2266 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 $129. Users have also found prices from $154 and $157 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, April is the cheapest month in which you can book a flight from Massachusetts to Idaho (average of $204). Flying from Massachusetts to Idaho in June is currently the most expensive (average of $320). 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

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Alternative routes for Massachusetts to Idaho

See prices for flight routes from nearby airports that may be better suited for you.
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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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$239Average$493FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$264Average$497FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$296Average$590FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$350Average$466FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$415Average$671FlexibilityNo cancel feeOn-time69%

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