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Idaho

$113+ 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 1/28. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — BOI
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
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 12, 2025.

This United Airlines deal was found by Cheapflights users on 12/11. 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.
Fri 12/196:45 amBOS - JAC
1 stop8h 17mUnited Airlines
Sun 12/212:30 pmJAC - BOS
1 stop7h 05mUnited Airlines
Deal found 12/11$479
This United Airlines deal was found by Cheapflights users on 12/11. 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 12/226:01 amBOS - SUN
1 stop8h 11mUnited Airlines
Sat 12/2712:53 pmSUN - BOS
1 stop9h 52mUnited Airlines
Deal found 12/11$545
This United Airlines deal was found by Cheapflights users on 12/10. 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.
Sun 12/211:25 pmBOS - JAC
1 stop8h 37mUnited Airlines
Wed 1/74:29 pmJAC - BOS
2 stops16h 23mUnited Airlines
Deal found 12/10$546
This United Airlines deal was found by Cheapflights users on 12/11. 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 12/313:15 pmBOS - GEG
1 stop8h 43mUnited Airlines
Tue 1/61:48 pmGEG - BOS
1 stop6h 58mUnited Airlines
Deal found 12/11$549
This Delta deal was found by Cheapflights users on 12/9. 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 12/118:00 amBOS - JAC
2 stops15h 29mDelta
Fri 12/1912:55 pmJAC - BOS
1 stop8h 46mDelta
Deal found 12/9$549
This United Airlines deal was found by Cheapflights users on 12/9. 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.
Sat 12/1312:50 pmBOS - BOI
1 stop11h 55mUnited Airlines
Wed 1/78:15 amBOI - BOS
1 stop7h 04mUnited Airlines
Deal found 12/9$568
This Delta deal was found by Cheapflights users on 12/10. 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 12/244:30 pmBOS - BOI
1 stop8h 27mDelta
Wed 12/311:00 pmBOI - BOS
1 stop9h 24mDelta
Deal found 12/10$589
This United Airlines deal was found by Cheapflights users on 12/10. 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.
Sat 12/136:00 amBOS - GEG
2 stops17h 59mUnited Airlines
Wed 12/171:47 pmGEG - BOS
2 stops21h 57mUnited Airlines
Deal found 12/10$602
This United Airlines deal was found by Cheapflights users on 12/10. 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 12/292:30 pmJAC - BOS
2 stops16h 49mUnited Airlines
Deal found 12/10$602
This United Airlines deal was found by Cheapflights users on 12/9. 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.
Sat 12/137:15 amBOS - JAC
1 stop8h 07mUnited Airlines
Mon 12/1510:54 amJAC - BOS
1 stop7h 06mUnited Airlines
Deal found 12/9$609
This Delta deal was found by Cheapflights users on 12/10. 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 12/1111:25 amBOS - JAC
2 stops12h 04mDelta
Sun 12/1412:55 pmJAC - BOS
1 stop8h 46mDelta
Deal found 12/10$614
This American Airlines deal was found by Cheapflights users on 12/10. 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 12/138:33 amBOS - GEG
1 stop16h 14mAmerican Airlines
Wed 12/171:14 pmGEG - BOS
1 stop18h 44mAmerican Airlines
Deal found 12/10$619

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 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$248
(Trip.com)

One-way from

$113
(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 ($22 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($18 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 12, 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 1/19

6:00 am-11:39 am

1 stop8h 39m

Spokane

Sat 1/24

5:00 am-3:37 pm

1 stop7h 37m

$257

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Mon 1/12

3:15 pm-9:22 pm

1 stop9h 07m

Spokane

Thu 1/15

1:48 pm-11:46 pm

1 stop6h 58m

$257

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Thu 1/22

4:16 pm-10:57 pm

1 stop8h 41m

Boise Air Term. Gowen Fld

Mon 1/26

2:37 pm-11:46 pm

1 stop7h 09m

$257

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Sat 1/17

12:11 pm-6:49 pm

1 stop9h 38m

Spokane

Fri 1/23

6:00 am-7:33 pm

2 stops10h 33m

$262

BostonJackson

BOS - JAC

BOSJAC

Boston Logan Intl

Sat 1/17

5:35 am-1:30 pm

1 stop9h 55m

Jackson Hole

Thu 1/22

2:40 pm-1:04 am

1 stop8h 24m

$297

BostonJackson

BOS - JAC

BOSJAC

Boston Logan Intl

Fri 1/2

5:45 am-1:00 pm

1 stop9h 15m

Jackson Hole

Sat 1/10

12:58 pm-11:56 pm

1 stop8h 58m

$297

BostonJackson

BOS - JAC

BOSJAC

Boston Logan Intl

Sat 1/17

6:55 am-1:30 pm

1 stop8h 35m

Jackson Hole

Sat 1/24

2:40 pm-1:04 am

1 stop8h 24m

$297

BostonJackson

BOS - JAC

BOSJAC

Boston Logan Intl

Wed 1/7

6:00 am-12:58 pm

1 stop8h 58m

Jackson Hole

Mon 1/12

2:40 pm-11:46 pm

1 stop7h 06m

$297

BostonJackson

BOS - JAC

BOSJAC

Boston Logan Intl

Thu 1/8

6:00 am-12:58 pm

1 stop8h 58m

Jackson Hole

Mon 1/12

2:40 pm-11:46 pm

1 stop7h 06m

$297

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Sat 1/17

6:00 am-12:46 pm

2 stops9h 46m

Spokane

Tue 1/20

11:25 am-11:49 pm

2 stops9h 24m

$298

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

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 12, 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 December 12, 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
11,432 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Alaska Airlines
8.0
Very good
11,432 reviews
Alaska Airlines
8.0
Very good
11,432 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Southwest
7.9
Good
4,253 reviews
Alaska Airlines
8.0
Very good
11,432 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Delta
7.9
Good
8,008 reviews
Alaska Airlines
8.0
Very good
11,432 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
United Airlines
7.4
Good
9,095 reviews
Alaska Airlines
8.0
Very good
11,432 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
American Airlines
7.2
Good
11,050 reviews
Alaska Airlines
8.0
Very good
11,432 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

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 39m. Fly via United Airlines, Delta, or American 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 $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 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$256Average$519FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$264Average$500FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$296Average$565FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$325Average$681FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$370Average$492FlexibilityNo cancel feeOn-time63%

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