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Idaho

$95+ Cheap flights from Boston (BOS) 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 2/25. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — BOI
Feb 19 — Feb 261
Thu 2/19
Thu 2/26
1 adult, Economy
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Cheap flight deals from Boston to Idaho

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

This American Airlines deal was found by Cheapflights users on 1/20. 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 2/176:30 am
BOS
-
GEG
1 stop8h 14m
American Airlines
Tue 2/2412:25 pm
GEG
-
BOS
1 stop8h 34m
American Airlines
Deal found 1/20$257
This American Airlines deal was found by Cheapflights users on 1/19. 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.
Wed 3/186:30 am
BOS
-
BOI
1 stop8h 30m
American Airlines
Tue 3/241:31 pm
BOI
-
BOS
1 stop7h 30m
American Airlines
Deal found 1/19$257
This Delta deal was found by Cheapflights users on 1/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/115:20 pm
BOS
-
GEG
1 stop9h 39m
Delta
Mon 2/167:30 pm
GEG
-
BOS
1 stop8h 20m
Delta
Deal found 1/19$297
This Expedia deal was found by Cheapflights users on 1/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/264:36 pm
BOS
-
BOI
1 stop9h 23m
Alaska Airlines
Tue 3/31:00 pm
BOI
-
BOS
1 stop8h 59m
Alaska Airlines
Deal found 1/19$297
This Alaska Airlines deal was found by Cheapflights users on 1/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/215:44 pm
BOS
-
JAC
1 stop20h 40m
Alaska Airlines
Fri 2/271:04 pm
JAC
-
BOS
1 stop8h 55m
Alaska Airlines
Deal found 1/19$297
This American Airlines deal was found by Cheapflights users on 1/19. 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.
Wed 2/186:00 am
BOS
-
JAC
2 stops10h 26m
American Airlines
Wed 2/251:44 pm
JAC
-
BOS
2 stops15h 29m
American Airlines
Deal found 1/19$298
This United Airlines deal was found by Cheapflights users on 1/20. 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 2/256:00 am
BOS
-
GEG
2 stops9h 42m
United Airlines
Mon 3/212:38 pm
GEG
-
BOS
1 stop9h 11m
United Airlines
Deal found 1/20$302
This American Airlines deal was found by Cheapflights users on 1/19. 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.
Thu 2/264:37 pm
BOS
-
BOI
1 stop9h 01m
American Airlines
Tue 3/37:00 am
BOI
-
BOS
2 stops10h 04m
American Airlines
Deal found 1/19$302
This United Airlines deal was found by Cheapflights users on 1/19. 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.
Mon 2/23:15 pm
BOS
-
JAC
1 stop7h 27m
United Airlines
Fri 2/67:00 am
JAC
-
BOS
2 stops12h 52m
United Airlines
Deal found 1/19$302
This Delta deal was found by Cheapflights users on 1/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/266:00 am
BOS
-
WYS
1 stop8h 21m
Delta
Sat 8/2911:29 am
WYS
-
BOS
2 stops11h 37m
Delta
Deal found 1/19$304
This Expedia deal was found by Cheapflights users on 1/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/17:00 am
BOS
-
JAC
2 stops31h 24m
Alaska Airlines
Thu 3/511:48 am
JAC
-
BOS
2 stops17h 06m
Alaska Airlines
Deal found 1/19$307
This American Airlines deal was found by Cheapflights users on 1/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/17:00 am
BOS
-
JAC
2 stops12h 01m
American Airlines
Fri 2/65:36 pm
JAC
-
BOS
2 stops14h 15m
American Airlines
Deal found 1/18$308

Find flight deals from Boston to Idaho

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

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$257
(American Airlines)

One-way from

$95
(Kiwi.com)

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 Boston Logan Intl to Idaho
Search Deals
One-way flight from Boston Logan Intl to Idaho
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($10 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 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 Boston 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 20, 2026.
Use the filters below to find and compare flights from Boston to Idaho that are best for you.

Fly from

Boston

Fly to

Idaho

Route

Depart

Return

Price

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Wed 2/18

6:30 am-11:44 am

1 stop8h 14m

Spokane

Tue 2/24

12:25 pm-11:01 pm

1 stop7h 36m

$257

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Sat 2/28

7:15 am-2:58 pm

1 stop10h 43m

Spokane

Sat 3/7

5:00 am-3:59 pm

1 stop7h 59m

$257

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Tue 2/17

6:30 am-11:44 am

1 stop8h 14m

Spokane

Tue 2/24

12:25 pm-11:59 pm

1 stop8h 34m

$257

BostonJackson

BOS - JAC

BOSJAC

Boston Logan Intl

Sat 2/21

5:44 pm-12:24 pm

1 stop20h 40m

Jackson Hole

Thu 2/26

1:04 pm-11:59 pm

1 stop8h 55m

$297

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Wed 2/11

5:20 pm-11:59 pm

1 stop9h 39m

Spokane

Mon 2/16

7:30 pm-6:50 am

1 stop8h 20m

$297

BostonJackson

BOS - JAC

BOSJAC

Boston Logan Intl

Sat 2/21

5:44 pm-12:24 pm

1 stop20h 40m

Jackson Hole

Fri 2/27

1:04 pm-11:59 pm

1 stop8h 55m

$297

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Wed 2/25

4:37 pm-11:14 pm

1 stop9h 37m

Spokane

Mon 3/2

12:25 pm-11:01 pm

1 stop7h 36m

$297

BostonJackson

BOS - JAC

BOSJAC

Boston Logan Intl

Tue 3/3

6:55 am-1:25 pm

1 stop8h 30m

Jackson Hole

Wed 3/11

1:35 pm-11:49 pm

1 stop8h 14m

$297

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Sat 2/28

6:24 pm-9:40 am

1 stop17h 16m

Boise Air Term. Gowen Fld

Mon 3/2

3:47 pm-6:54 am

1 stop13h 07m

$297

BostonJackson

BOS - JAC

BOSJAC

Boston Logan Intl

Wed 4/1

10:20 am-4:47 pm

1 stop8h 27m

Jackson Hole

Tue 4/7

1:10 pm-11:59 pm

1 stop8h 49m

$297

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 60 results
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Best time to book a flight from Boston to Idaho

Have a flexible travel schedule? Discover the best time to fly to Idaho from Boston 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 Boston to Idaho

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

Currently, April is the cheapest month in which you can book a flight from Boston to Idaho (average of $204). Flying from Boston to Idaho in February is currently the most expensive (average of $326). 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.

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 20, 2026.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta from Boston to Idaho. 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
11,760 reviews

Entertainment

7.0

Food

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

Boarding

8.1

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
11,760 reviews
Alaska Airlines
8.0
Very good
11,760 reviews

Entertainment

7.0

Food

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

Boarding

8.1

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
11,760 reviews

Entertainment

7.0

Food

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

Boarding

8.1

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
8,076 reviews
Alaska Airlines
8.0
Very good
11,760 reviews

Entertainment

7.0

Food

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

Boarding

8.1

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
9,180 reviews
Alaska Airlines
8.0
Very good
11,760 reviews

Entertainment

7.0

Food

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

Boarding

8.1

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
11,164 reviews
Alaska Airlines
8.0
Very good
11,760 reviews

Entertainment

7.0

Food

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

Boarding

8.1

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 Boston to Idaho. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Boston to Idaho?

    Boston Logan Intl (BOS), located 2.6 mi from the city center, is the airport you fly out of when you book flights from Boston to Idaho.

  • How long is the flight from Boston to Idaho?

    There are many flights that can get you from Boston to Idaho in 8h 14m. Fly via American Airlines, Delta, or Alaska Airlines to get the fastest option. The distance from Boston to Idaho is about 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 Boston to Idaho one-way?

    To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $129. Alaska Airlines flights start at $138 while deals on American Airlines start at $157 one-way.

  • What are the most popular routes from Boston to Idaho?

    While some choose either Boston Logan Intl - Boise Air Term. Gowen Fld or Boston Logan Intl - Spokane, Boston Logan Intl - Jackson Hole is the most popular route from Boston to Idaho.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Boston 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 Boston to Idaho?

    Currently, April is the cheapest month in which you can book a flight from Boston to Idaho (average of $204). Flying from Boston to Idaho in February is currently the most expensive (average of $326). 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

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Alternative routes for Boston 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 Boston to Idaho

Discover the top 5 airlines that operate flights from Boston 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 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$239Average$504FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$264Average$497FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$296Average$590FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$370Average$468FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$389Average$693FlexibilityNo cancel feeOn-time69%

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