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$132+ 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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — BOI
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
1 adult, Economy
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Cheap flight deals from Boston to Idaho

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Idaho (USID). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 20, 2024.

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 November 20, 2024.

This Mytrip deal was found by Cheapflights users on 11/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/49:34 amBOS - BOI
3 stops27h 24mSpirit Airlines
Tue 12/103:45 pmBOI - BOS
2 stops19h 38mSpirit Airlines
Deal found 11/20$349
This Delta deal was found by Cheapflights users on 11/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/127:00 amBOS - BOI
1 stop11h 29mDelta
Sun 12/157:57 pmBOI - BOS
1 stop10h 03mDelta
Deal found 11/20$353
This Delta deal was found by Cheapflights users on 11/19. 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.
Mon 12/169:15 amBOS - JAC
1 stop9h 30mDelta
Wed 1/83:30 pmJAC - BOS
1 stop6h 26mDelta
Deal found 11/19$354
This Mytrip deal was found by Cheapflights users on 11/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/412:00 pmBOS - GEG
2 stops23h 56mMultiple Airlines
Sun 12/89:46 amGEG - BOS
2 stops24h 37mMultiple Airlines
Deal found 11/19$360
This Alaska Airlines deal was found by Cheapflights users on 11/19. 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.
Mon 12/97:54 pmBOS - BOI
1 stop28h 24mAlaska Airlines
Fri 12/138:55 pmBOI - BOS
1 stop16h 18mAlaska Airlines
Deal found 11/19$372
This Delta deal was found by Cheapflights users on 11/19. 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.
Tue 12/175:35 amBOS - GEG
1 stop10h 39mDelta
Wed 12/181:25 pmGEG - BOS
1 stop7h 33mDelta
Deal found 11/19$387
This United Airlines deal was found by Cheapflights users on 11/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/146:00 amBOS - JAC
1 stop7h 35mUnited Airlines
Tue 12/1712:45 pmJAC - BOS
1 stop6h 45mUnited Airlines
Deal found 11/18$414
This United Airlines deal was found by Cheapflights users on 11/20. 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.
Thu 12/1212:25 pmBOS - BOI
2 stops10h 59mUnited Airlines
Sun 12/156:53 pmBOI - BOS
1 stop8h 10mUnited Airlines
Deal found 11/20$420
This Alaska Airlines deal was found by Cheapflights users on 11/19. 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.
Mon 12/97:59 pmBOS - IDA
2 stops21h 03mAlaska Airlines
Thu 12/126:00 amIDA - BOS
1 stop10h 59mAlaska Airlines
Deal found 11/19$438
This Alaska Airlines deal was found by Cheapflights users on 11/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/97:54 pmBOS - GEG
1 stop17h 58mAlaska Airlines
Tue 12/103:29 pmGEG - BOS
1 stop29h 30mAlaska Airlines
Deal found 11/20$442
This Southwest deal was found by Cheapflights users on 11/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/178:00 amBOS - GEG
2 stops17h 10mSouthwest
Wed 12/187:55 amGEG - BOS
2 stops11h 30mSouthwest
Deal found 11/19$446
This American Airlines deal was found by Cheapflights users on 11/19. 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.
Tue 11/266:30 amBOS - GEG
1 stop10h 22mAmerican Airlines
Wed 12/46:29 amGEG - BOS
2 stops11h 25mAmerican Airlines
Deal found 11/19$482

Find flights from Boston to Idaho within your budget

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 2,629,791 searches. Data last updated November 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Sat 2/22

7:05 pm-12:03 am

1 stop7h 58m

Spokane

Mon 3/3

7:24 pm-6:55 am

1 stop8h 31m

$263

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Fri 1/31

5:55 pm-7:43 am

1 stop16h 48m

Spokane

Mon 2/3

5:48 pm-4:55 pm

2 stops20h 07m

$272

BostonJackson

BOS - JAC

BOSJAC

Boston Logan Intl

Wed 1/15

9:15 am-3:17 pm

1 stop8h 02m

Jackson Hole

Sat 1/18

8:00 am-5:15 pm

1 stop7h 15m

$324

BostonJackson

BOS - JAC

BOSJAC

Boston Logan Intl

Wed 1/22

7:20 am-2:17 pm

1 stop8h 57m

Jackson Hole

Sat 1/25

1:33 pm-5:29 am

2 stops13h 56m

$329

BostonHailey

BOS - SUN

BOSSUN

Boston Logan Intl

Sat 1/25

5:55 pm-9:40 am

1 stop17h 45m

Hailey Sun Valley-Friedman

Sat 2/1

6:57 pm-4:55 pm

1 stop19h 58m

$334

BostonJackson

BOS - JAC

BOSJAC

Boston Logan Intl

Wed 1/15

5:20 am-2:28 pm

2 stops11h 08m

Jackson Hole

Sat 1/18

3:30 pm-11:56 pm

1 stop6h 26m

$339

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Wed 1/15

2:05 pm-10:05 pm

1 stop11h 00m

Spokane

Sat 1/18

7:05 am-9:10 pm

2 stops11h 05m

$341

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Fri 1/31

5:55 pm-1:03 pm

2 stops21h 08m

Boise Air Term. Gowen Fld

Wed 2/5

6:20 pm-4:55 pm

1 stop20h 35m

$346

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Wed 12/4

9:34 am-10:58 am

3 stops27h 24m

Boise Air Term. Gowen Fld

Tue 12/10

3:45 pm-1:23 pm

2 stops19h 38m

$349

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Thu 12/12

7:00 am-4:29 pm

1 stop11h 29m

Boise Air Term. Gowen Fld

Sun 12/15

7:57 pm-8:00 am

1 stop10h 03m

$353

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 56 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.

Travel insights for flights from Boston to Idaho

Get recent, data-driven insights about flights from Boston to Idaho including ideal travel times, pricing trends, and more.

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

Currently, January is the cheapest month in which you can book a flight from Boston to Idaho (average of $310). Flying from Boston to Idaho in June is currently the most expensive (average of $436). 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 November 20, 2024.

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.

Rainfall in Idaho by month

Plan your trip to Idaho by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Idaho ranges from 0.2 - 1.6 inches per month. December is typically the wettest month, when rainfall can reach 1.6 in. August is typically the driest time to visit Idaho when rainfall is around 0.2 in.

Temperature in Idaho by month

Plan your trip to Idaho by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Idaho, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 30.2 F).

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 November 20, 2024.
Read through reviews of airlines operating flights from Boston to Idaho, such as Alaska Airlines, United Airlines and Spirit Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,014 reviews

Boarding

8.2

Overall

8.1

Crew

8.7

Entertainment

7.7

Comfort

8.1

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Southwest
8.1
Very good
5,014 reviews
Southwest
8.1
Very good
5,014 reviews

Boarding

8.2

Overall

8.1

Crew

8.7

Entertainment

7.7

Comfort

8.1

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Alaska Airlines
8.0
Very good
9,461 reviews
Southwest
8.1
Very good
5,014 reviews

Boarding

8.2

Overall

8.1

Crew

8.7

Entertainment

7.7

Comfort

8.1

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Delta
8.0
Very good
8,756 reviews
Southwest
8.1
Very good
5,014 reviews

Boarding

8.2

Overall

8.1

Crew

8.7

Entertainment

7.7

Comfort

8.1

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

United Airlines
7.4
Good
9,171 reviews
Southwest
8.1
Very good
5,014 reviews

Boarding

8.2

Overall

8.1

Crew

8.7

Entertainment

7.7

Comfort

8.1

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
5,014 reviews

Boarding

8.2

Overall

8.1

Crew

8.7

Entertainment

7.7

Comfort

8.1

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

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.

  • 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 $132. United Airlines flights start at $162 while deals on Spirit Airlines start at $162 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, January is the cheapest month in which you can book a flight from Boston to Idaho (average of $310). Flying from Boston to Idaho in June is currently the most expensive (average of $436). 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 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$209Average$335FlexibilityNo cancel feeOn-time65%
DeltaCheapest$320Average$752FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$323Average$661FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$356Average$740FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$391Average$664FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$441Average$576FlexibilityNo cancel feeOn-time63%
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