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Idaho

$127+ 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 1/31. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — BOI
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
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 December 23, 2025.

This American Airlines deal was found by Cheapflights users on 12/21. 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 12/313:34 pmBOS - GEG
1 stop8h 54mAmerican Airlines
Tue 1/68:30 amGEG - BOS
1 stop12h 14mAmerican Airlines
Deal found 12/21$489
This American Airlines deal was found by Cheapflights users on 12/22. 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 12/313:34 pmBOS - BOI
1 stop9h 25mAmerican Airlines
Thu 1/11:35 pmBOI - BOS
1 stop7h 26mAmerican Airlines
Deal found 12/22$525
This United Airlines deal was found by Cheapflights users on 12/22. 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 12/312:15 pmBOS - BOI
2 stops10h 25mUnited Airlines
Thu 1/16:15 amBOI - BOS
1 stop7h 20mUnited Airlines
Deal found 12/22$587
This Delta deal was found by Cheapflights users on 12/23. 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 12/241:45 pmBOS - SUN
2 stops10h 35mDelta
Tue 12/306:42 pmSUN - BOS
1 stop10h 00mDelta
Deal found 12/23$594
This Delta deal was found by Cheapflights users on 12/21. 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 12/256:10 amBOS - JAC
1 stop7h 45mDelta
Mon 12/297:00 amJAC - BOS
1 stop8h 25mDelta
Deal found 12/21$599
This United Airlines deal was found by Cheapflights users on 12/22. 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.
Thu 12/256:45 amBOS - JAC
1 stop8h 17mUnited Airlines
Mon 12/297:25 amJAC - BOS
1 stop8h 47mUnited Airlines
Deal found 12/22$634
This American Airlines deal was found by Cheapflights users on 12/21. 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 12/256:14 amBOS - BOI
1 stop11h 11mAmerican Airlines
Tue 12/307:32 amBOI - BOS
1 stop14h 19mAmerican Airlines
Deal found 12/21$644
This American Airlines deal was found by Cheapflights users on 12/21. 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 12/226:36 amBOS - SUN
1 stop8h 00mAmerican Airlines
Sat 12/271:09 pmSUN - BOS
1 stop9h 11mAmerican Airlines
Deal found 12/21$651
This Delta deal was found by Cheapflights users on 12/21. 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 12/2210:20 amBOS - SUN
2 stops14h 00mDelta
Sat 12/2712:40 pmSUN - BOS
1 stop9h 44mDelta
Deal found 12/21$656
This United Airlines deal was found by Cheapflights users on 12/21. 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 12/315:20 amBOS - GEG
2 stops12h 59mUnited Airlines
Tue 1/65:00 amGEG - BOS
2 stops13h 38mUnited Airlines
Deal found 12/21$676
This United Airlines deal was found by Cheapflights users on 12/23. 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 12/246:01 amBOS - SUN
1 stop8h 11mUnited Airlines
Tue 12/302:11 pmSUN - BOS
1 stop8h 42mUnited Airlines
Deal found 12/23$676
This American Airlines deal was found by Cheapflights users on 12/21. 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 12/256:14 amBOS - BOI
1 stop11h 11mAmerican Airlines
Wed 12/317:27 amBOI - BOS
2 stops10h 29mAmerican Airlines
Deal found 12/21$702

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 December 23, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$256
(Alaska Airlines)

One-way from

$127
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$667
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. 4% potential increase in price ($21 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 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 December 23, 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

Mon 1/12

6:44 pm-12:23 am

1 stop8h 39m

Spokane

Wed 1/21

9:05 am-11:54 pm

1 stop11h 49m

$256

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Fri 1/23

5:20 pm-10:52 pm

1 stop8h 32m

Spokane

Mon 1/26

6:00 pm-4:20 pm

1 stop19h 20m

$256

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Wed 1/21

5:20 pm-10:52 pm

1 stop8h 32m

Spokane

Sat 1/24

1:38 pm-11:54 pm

1 stop7h 16m

$256

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Sun 1/18

6:00 am-2:16 pm

1 stop10h 16m

Boise Air Term. Gowen Fld

Thu 1/22

12:37 pm-11:12 pm

1 stop8h 35m

$257

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Tue 1/13

4:49 pm-10:57 pm

1 stop8h 08m

Boise Air Term. Gowen Fld

Sat 1/17

2:37 pm-11:52 pm

1 stop7h 15m

$257

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Fri 1/23

11:21 am-7:46 pm

2 stops11h 25m

Spokane

Mon 1/26

6:00 am-5:20 pm

1 stop8h 20m

$262

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Thu 1/22

6:00 am-12:39 pm

1 stop8h 39m

Boise Air Term. Gowen Fld

Thu 1/29

9:48 am-9:52 pm

2 stops10h 04m

$262

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Sat 1/17

7:25 am-1:35 pm

1 stop8h 10m

Boise Air Term. Gowen Fld

Sat 1/24

9:48 am-9:57 pm

2 stops10h 09m

$262

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Sat 1/31

7:15 am-3:00 pm

1 stop10h 45m

Spokane

Sat 2/7

6:30 am-7:23 pm

1 stop9h 53m

$287

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Sat 1/31

5:50 am-1:03 pm

1 stop10h 13m

Spokane

Sun 2/8

3:40 pm-6:50 am

1 stop12h 10m

$291

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

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 December 23, 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 in the evening, which can drop the price by up to 25% 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 December 23, 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
11,512 reviews

Comfort

7.8

Overall

8.0

Crew

8.5

Entertainment

7.0

Food

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.
Alaska Airlines
8.0
Very good
11,512 reviews
Alaska Airlines
8.0
Very good
11,512 reviews

Comfort

7.8

Overall

8.0

Crew

8.5

Entertainment

7.0

Food

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.
Southwest
8.0
Very good
4,253 reviews
Alaska Airlines
8.0
Very good
11,512 reviews

Comfort

7.8

Overall

8.0

Crew

8.5

Entertainment

7.0

Food

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.
Delta
7.9
Good
8,014 reviews
Alaska Airlines
8.0
Very good
11,512 reviews

Comfort

7.8

Overall

8.0

Crew

8.5

Entertainment

7.0

Food

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.
United Airlines
7.4
Good
9,105 reviews
Alaska Airlines
8.0
Very good
11,512 reviews

Comfort

7.8

Overall

8.0

Crew

8.5

Entertainment

7.0

Food

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.
American Airlines
7.2
Good
11,054 reviews
Alaska Airlines
8.0
Very good
11,512 reviews

Comfort

7.8

Overall

8.0

Crew

8.5

Entertainment

7.0

Food

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.

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 08m. Fly via Alaska Airlines, American Airlines, or United 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 Delta, which is currently one of the cheapest options available, starting at $129. Alaska Airlines flights start at $154 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 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

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 December 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$256Average$544FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$264Average$512FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$277Average$699FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$296Average$593FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$370Average$490FlexibilityNo cancel feeOn-time63%

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