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Idaho

$145+ 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 1/1. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — BOI
nov. 29 — déc. 61
sam. 11/29
sam. 12/6
1 adult, Economy
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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 octobre 30, 2025.

This Delta deal was found by Cheapflights users on 10/28. 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.
jeu. 11/278:00 amBOS - GEG
1 stop8h 14mDelta
jeu. 12/47:17 pmGEG - BOS
1 stop8h 03mDelta
Deal found 10/28$303
This Delta deal was found by Cheapflights users on 10/29. 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.
mar. 12/166:46 pmBOS - BOI
1 stop7h 56mDelta
jeu. 12/251:00 pmBOI - BOS
1 stop9h 24mDelta
Deal found 10/29$314
This American Airlines deal was found by Cheapflights users on 10/28. 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.
mer. 12/37:00 amBOS - GEG
1 stop8h 30mAmerican Airlines
mar. 12/91:14 pmGEG - BOS
1 stop7h 59mAmerican Airlines
Deal found 10/28$317
This Alaska Airlines deal was found by Cheapflights users on 10/30. 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.
sam. 12/67:00 amBOS - BOI
1 stop10h 26mAlaska Airlines
mar. 12/96:03 amBOI - BOS
1 stop9h 17mAlaska Airlines
Deal found 10/30$318
This Delta deal was found by Cheapflights users on 10/30. 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.
sam. 12/1311:25 amBOS - BOI
1 stop9h 26mDelta
jeu. 12/183:13 pmBOI - BOS
1 stop6h 48mDelta
Deal found 10/30$319
This United Airlines deal was found by Cheapflights users on 10/28. 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.
mer. 12/36:00 amBOS - GEG
2 stops9h 45mUnited Airlines
mar. 12/95:25 amGEG - BOS
1 stop7h 17mUnited Airlines
Deal found 10/28$322
This United Airlines deal was found by Cheapflights users on 10/30. 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.
sam. 12/136:00 amBOS - BOI
1 stop8h 17mUnited Airlines
mar. 12/1610:40 amBOI - BOS
2 stops9h 05mUnited Airlines
Deal found 10/30$324
This Alaska Airlines deal was found by Cheapflights users on 10/30. 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.
ven. 12/56:52 pmBOS - BOI
1 stop29h 06mAlaska Airlines
lun. 12/81:25 pmBOI - BOS
1 stop8h 34mAlaska Airlines
Deal found 10/30$325
This Delta deal was found by Cheapflights users on 10/30. 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.
jeu. 11/206:10 amBOS - JAC
1 stop7h 51mDelta
mer. 11/2612:57 pmJAC - BOS
1 stop8h 46mDelta
Deal found 10/30$349
This United Airlines deal was found by Cheapflights users on 10/30. 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.
lun. 12/83:16 pmBOS - GEG
1 stop8h 43mUnited Airlines
jeu. 12/115:25 amGEG - BOS
2 stops10h 23mUnited Airlines
Deal found 10/30$352
This United Airlines deal was found by Cheapflights users on 10/30. 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.
jeu. 11/2010:40 amBOS - JAC
2 stops11h 57mUnited Airlines
mer. 11/2610:45 amJAC - BOS
2 stops10h 57mUnited Airlines
Deal found 10/30$359
This Southwest deal was found by Cheapflights users on 10/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 12/69:20 amBOS - GEG
2 stops13h 35mSouthwest
sam. 12/137:00 amGEG - BOS
2 stops11h 55mSouthwest
Deal found 10/27$362

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 octobre 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$303
(Delta)

One-way from

$145
(Delta)

Popular in

December

Cheapest in

January

Average price

$497
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. 1% potential increase in price ($5 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 October 2025
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 octobre 30, 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

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

jeu. 11/27

8:00 am-1:14 pm

1 stop8h 14m

Spokane

jeu. 12/4

7:17 pm-6:20 am

1 stop8h 03m

$303

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

jeu. 1/22

7:00 am-3:03 pm

1 stop11h 03m

Spokane

lun. 1/26

12:10 pm-11:59 pm

1 stop8h 49m

$316

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

sam. 12/6

7:00 am-3:26 pm

1 stop10h 26m

Boise Air Term. Gowen Fld

mar. 12/9

6:03 am-5:20 pm

1 stop9h 17m

$318

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

mar. 12/16

6:10 am-12:02 pm

1 stop7h 52m

Boise Air Term. Gowen Fld

mar. 12/23

11:47 pm-10:09 am

1 stop8h 22m

$319

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

mar. 12/16

6:24 pm-12:09 am

1 stop7h 45m

Boise Air Term. Gowen Fld

jeu. 12/25

1:00 pm-12:24 am

1 stop9h 24m

$319

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

mer. 12/10

12:02 pm-8:59 pm

2 stops11h 57m

Spokane

mer. 12/17

5:25 am-6:50 pm

2 stops10h 25m

$327

BostonHailey

BOS - SUN

BOSSUN

Boston Logan Intl

lun. 1/26

6:44 pm-11:14 am

1 stop18h 30m

Hailey Sun Valley-Friedman

jeu. 1/29

8:21 pm-4:20 pm

1 stop17h 59m

$340

BostonHailey

BOS - SUN

BOSSUN

Boston Logan Intl

mer. 2/25

12:29 pm-9:22 pm

1 stop10h 53m

Hailey Sun Valley-Friedman

mer. 3/4

1:21 pm-12:12 am

1 stop8h 51m

$341

BostonHailey

BOS - SUN

BOSSUN

Boston Logan Intl

lun. 1/12

6:10 am-2:42 pm

1 stop10h 32m

Hailey Sun Valley-Friedman

ven. 1/16

3:24 pm-11:56 pm

1 stop6h 32m

$341

BostonHailey

BOS - SUN

BOSSUN

Boston Logan Intl

dim. 1/11

6:10 am-12:03 pm

1 stop7h 53m

Hailey Sun Valley-Friedman

mer. 1/14

3:24 pm-11:56 pm

1 stop6h 32m

$341

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

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 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.

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 octobre 30, 2025.

When flying from Boston to Idaho, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 22% versus a flight in the afternoon.

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 octobre 30, 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
11,217 reviews

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Food

7.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Alaska Airlines
8.0
Very good
11,217 reviews
Alaska Airlines
8.0
Very good
11,217 reviews

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Food

7.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Southwest
8.0
Very good
4,243 reviews
Alaska Airlines
8.0
Very good
11,217 reviews

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Food

7.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Delta
7.9
Good
7,998 reviews
Alaska Airlines
8.0
Very good
11,217 reviews

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Food

7.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
United Airlines
7.4
Good
8,998 reviews
Alaska Airlines
8.0
Very good
11,217 reviews

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Food

7.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
American Airlines
7.2
Good
11,035 reviews
Alaska Airlines
8.0
Very good
11,217 reviews

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Food

7.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.

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 Delta, Alaska Airlines, or United 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 $155. Alaska Airlines flights start at $158 while deals on American Airlines start at $159 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 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

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Alternative routes for Boston to Idaho

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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 octobre 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$258Average$523FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$264Average$521FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$296Average$450FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$325Average$692FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$370Average$496FlexibilityNo cancel feeOn-time63%

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