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Idaho

$143+ 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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — BOI
Sep 2 — Sep 91
Tue 9/2
Tue 9/9
1 adult, Economy
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Cheap flight deals from Boston to Idaho

Keep the following information in mind while searching for Boston to Idaho flight deals. Data was last updated August 28, 2025.

Round-trip from

$287
(Delta)

One-way from

$143
(Hawaiian Airlines)

Popular in

December

Cheapest in

January

Average price

$447
From Boston Logan Intl to Idaho
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One-way flight from Boston Logan Intl to Idaho
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High demand for flights, 1% potential price rise
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find 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 August 28, 2025.

This Delta deal was found by Cheapflights users on 8/27. 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.
Wed 10/17:25 amBOS - BOI
1 stop10h 15mDelta
Tue 10/73:00 pmBOI - BOS
1 stop6h 59mDelta
Deal found 8/27$287
This Delta deal was found by Cheapflights users on 8/28. 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.
Thu 10/236:15 amBOS - BOI
1 stop10h 50mDelta
Wed 10/291:39 pmBOI - BOS
1 stop9h 34mDelta
Deal found 8/28$291
This American Airlines deal was found by Cheapflights users on 8/28. 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.
Sat 9/2011:28 amBOS - GEG
1 stop10h 49mAmerican Airlines
Tue 9/231:30 pmGEG - BOS
1 stop7h 23mAmerican Airlines
Deal found 8/28$292
This American Airlines deal was found by Cheapflights users on 8/28. 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 10/282:04 pmBOS - BOI
2 stops10h 18mAmerican Airlines
Tue 11/41:25 pmBOI - BOS
1 stop7h 37mAmerican Airlines
Deal found 8/28$292
This Alaska Airlines deal was found by Cheapflights users on 8/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/247:20 amBOS - GEG
1 stop10h 30mAlaska Airlines
Mon 9/297:00 amGEG - BOS
1 stop20h 25mAlaska Airlines
Deal found 8/28$296
This American Airlines deal was found by Cheapflights users on 8/28. 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 10/235:24 amBOS - BOI
1 stop9h 22mAmerican Airlines
Wed 10/291:26 pmBOI - BOS
1 stop7h 36mAmerican Airlines
Deal found 8/28$296
This Delta deal was found by Cheapflights users on 8/27. 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.
Wed 9/176:10 amBOS - GEG
1 stop8h 45mDelta
Sat 9/202:23 pmGEG - BOS
1 stop6h 36mDelta
Deal found 8/27$297
This Delta deal was found by Cheapflights users on 8/28. 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 9/177:25 amBOS - BOI
1 stop10h 15mDelta
Tue 9/233:45 pmBOI - BOS
1 stop11h 50mDelta
Deal found 8/28$298
This American Airlines deal was found by Cheapflights users on 8/27. 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 9/236:00 amBOS - GEG
2 stops9h 44mAmerican Airlines
Tue 9/301:30 pmGEG - BOS
1 stop7h 23mAmerican Airlines
Deal found 8/27$302
This Hawaiian Airlines deal was found by Cheapflights users on 8/28. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/26:55 pmBOS - GEG
1 stop8h 24mHawaiian Airlines
Mon 10/67:37 pmGEG - BOS
1 stop7h 23mHawaiian Airlines
Deal found 8/28$306
This Alaska Airlines deal was found by Cheapflights users on 8/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/277:20 amBOS - BOI
1 stop8h 34mAlaska Airlines
Sat 10/43:37 pmBOI - BOS
1 stop22h 23mAlaska Airlines
Deal found 8/28$306
This United Airlines deal was found by Cheapflights users on 8/28. 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.
Mon 9/226:02 amBOS - BOI
1 stop9h 47mUnited Airlines
Mon 9/227:09 pmBOI - BOS
1 stop11h 07mUnited Airlines
Deal found 8/28$307

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 August 28, 2025.
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

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Wed 10/1

7:25 am-3:40 pm

1 stop10h 15m

Boise Air Term. Gowen Fld

Tue 10/7

3:00 pm-11:59 pm

1 stop6h 59m

$287

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Tue 10/28

6:47 am-12:46 pm

1 stop7h 59m

Boise Air Term. Gowen Fld

Tue 11/4

1:40 pm-11:14 pm

1 stop7h 34m

$287

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Thu 10/23

6:15 am-3:05 pm

1 stop10h 50m

Boise Air Term. Gowen Fld

Wed 10/29

1:39 pm-1:13 am

1 stop9h 34m

$291

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Sat 9/20

11:28 am-7:17 pm

1 stop10h 49m

Spokane

Tue 9/23

1:30 pm-11:53 pm

1 stop7h 23m

$292

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Sat 10/18

5:45 am-1:05 pm

1 stop10h 20m

Spokane

Wed 10/22

11:20 am-11:59 pm

1 stop9h 39m

$292

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Wed 10/29

6:15 am-12:01 pm

1 stop8h 46m

Spokane

Sat 11/1

12:51 pm-1:13 am

1 stop9h 22m

$292

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Wed 9/24

7:20 am-2:50 pm

1 stop10h 30m

Spokane

Mon 9/29

7:00 am-6:25 am

1 stop20h 25m

$296

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Wed 10/1

7:20 am-12:46 pm

1 stop8h 26m

Spokane

Mon 10/6

7:37 pm-6:00 am

1 stop7h 23m

$296

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Thu 10/30

7:00 am-4:17 pm

1 stop11h 17m

Boise Air Term. Gowen Fld

Tue 11/4

6:28 am-5:23 pm

1 stop8h 55m

$296

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Thu 10/23

5:24 am-12:46 pm

1 stop9h 22m

Boise Air Term. Gowen Fld

Wed 10/29

1:26 pm-11:02 pm

1 stop7h 36m

$296

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/28

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, October is the cheapest month in which you can book a flight from Boston to Idaho (average of $314). Flying from Boston to Idaho in June is currently the most expensive (average of $399). 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.

What is the cheapest time of day to fly from BOS to ID?

Find hourly flight availability from Boston to Idaho. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 28, 2025.

When flying from Boston to Idaho, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 August 28, 2025.
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
10,000 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
Southwest
8.0
Very good
4,242 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
Delta
8.0
Very good
7,977 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
United Airlines
7.4
Good
8,944 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.

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 7h 59m. Fly via Delta, American Airlines, or Alaska Airlines to get the fastest option. The distance from Boston to Idaho is about 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 Boston to Idaho one-way?

    To fly one-way, consider booking your trip with Hawaiian Airlines, which is currently one of the cheapest options available, starting at $143. American Airlines flights start at $144 while deals on Delta start at $154 one-way.

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

    While some choose either Boston Logan Intl - Jackson Hole or Boston Logan Intl - Boise Air Term. Gowen Fld, Boston Logan Intl - Spokane 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, October is the cheapest month in which you can book a flight from Boston to Idaho (average of $314). Flying from Boston to Idaho in June is currently the most expensive (average of $399). 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 6 airlines flying from Boston to Idaho

Discover the top 6 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 August 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$264Average$359FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$264Average$507FlexibilityNo cancel feeOn-time71%
DeltaCheapest$270Average$588FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$299Average$491FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$330Average$691FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$387Average$509FlexibilityNo cancel feeOn-time63%

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