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$109+ 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 4/1. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — BOI
Mar 13 — Mar 201
Thu 3/13
Thu 3/20
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 March 8, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$204
(Alaska Airlines)

One-way from

$109
(FlightHub)

Popular in

May

Cheapest in

January

Average price

$471
Provider with most accurate pricing for Boston Logan Intl-Boise Air Term. Gowen Fld flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-Boise Air Term. Gowen Fld flights.
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From Boston Logan Intl to Idaho
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One-way flight from Boston Logan Intl to Idaho
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Highest demand for flights based on searches. 11% potential increase in price ($64 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 8, 2025.

This Alaska Airlines deal was found by Cheapflights users on 3/7. 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 4/97:00 amBOS - BOI
1 stop11h 20mAlaska Airlines
Sat 4/122:47 pmBOI - BOS
1 stop15h 05mAlaska Airlines
Deal found 3/7$204
This Orbitz deal was found by Cheapflights users on 3/7. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/610:21 pmBOS - BOI
2 stops16h 15mMultiple Airlines
Sun 4/138:59 pmBOI - BOS
1 stop8h 53mMultiple Airlines
Deal found 3/7$266
This Mytrip deal was found by Cheapflights users on 3/7. 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.
Tue 3/258:00 amBOS - BOI
3 stops30h 36mSpirit Airlines
Mon 3/311:31 pmBOI - BOS
2 stops25h 43mSpirit Airlines
Deal found 3/7$276
This Delta deal was found by Cheapflights users on 3/7. 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.
Fri 4/256:39 pmBOS - BOI
1 stop7h 30mDelta
Mon 4/287:50 pmBOI - BOS
1 stop8h 45mDelta
Deal found 3/7$295
This Alaska Airlines deal was found by Cheapflights users on 3/6. 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 4/25:30 pmBOS - GEG
1 stop8h 34mAlaska Airlines
Thu 4/107:30 pmGEG - BOS
1 stop9h 22mAlaska Airlines
Deal found 3/6$296
This Delta deal was found by Cheapflights users on 3/6. 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 3/316:38 pmBOS - GEG
1 stop8h 20mDelta
Thu 4/1010:45 pmGEG - BOS
1 stop9h 05mDelta
Deal found 3/6$297
This Southwest deal was found by Cheapflights users on 3/6. 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.
Wed 4/25:00 amBOS - GEG
1 stop8h 35mSouthwest
Tue 4/85:25 pmGEG - BOS
2 stops11h 45mSouthwest
Deal found 3/6$302
This American Airlines deal was found by Cheapflights users on 3/7. 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 8/255:30 amBOS - GEG
1 stop10h 29mAmerican Airlines
Sat 8/303:47 pmGEG - BOS
1 stop10h 56mAmerican Airlines
Deal found 3/7$332
This Alaska Airlines deal was found by Cheapflights users on 3/7. 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 4/57:00 amBOS - SUN
1 stop28h 43mAlaska Airlines
Sat 4/1210:25 amSUN - BOS
1 stop11h 34mAlaska Airlines
Deal found 3/7$346
This Delta deal was found by Cheapflights users on 3/7. 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 4/296:15 amBOS - IDA
1 stop8h 11mDelta
Tue 4/296:55 pmIDA - BOS
1 stop9h 41mDelta
Deal found 3/7$347
This Delta deal was found by Cheapflights users on 3/7. 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.
Sat 4/56:15 amBOS - SUN
1 stop10h 29mDelta
Sat 4/127:30 amSUN - BOS
2 stops9h 35mDelta
Deal found 3/7$352
This American Airlines deal was found by Cheapflights users on 3/6. 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 6/116:57 amBOS - BOI
1 stop11h 49mAmerican Airlines
Wed 6/253:35 pmBOI - BOS
1 stop7h 59mAmerican Airlines
Deal found 3/6$357

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 2,558,603 searches. Data last updated March 8, 2025.

Fly from

Boston

Fly to

Idaho

Route

Depart

Return

Price

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Wed 4/9

7:00 am-4:20 pm

1 stop11h 20m

Boise Air Term. Gowen Fld

Sat 4/12

2:47 pm-7:52 am

1 stop15h 05m

$204

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Sun 4/6

10:21 pm-12:36 pm

2 stops16h 15m

Boise Air Term. Gowen Fld

Sun 4/13

8:59 pm-7:52 am

1 stop8h 53m

$266

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Tue 3/25

8:00 am-12:36 pm

3 stops30h 36m

Boise Air Term. Gowen Fld

Mon 3/31

1:31 pm-5:14 pm

2 stops25h 43m

$276

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Fri 4/25

8:05 am-2:35 pm

1 stop8h 30m

Boise Air Term. Gowen Fld

Tue 4/29

8:00 pm-6:31 am

1 stop8h 31m

$295

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Wed 4/2

5:30 pm-11:04 pm

1 stop8h 34m

Spokane

Tue 4/8

5:48 pm-5:29 pm

1 stop20h 41m

$296

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Mon 3/31

6:38 pm-11:58 pm

1 stop8h 20m

Spokane

Thu 4/10

10:45 pm-10:50 am

1 stop9h 05m

$297

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Wed 4/2

5:00 am-10:35 am

1 stop8h 35m

Spokane

Tue 4/8

5:25 pm-8:10 am

2 stops11h 45m

$302

BostonHailey

BOS - SUN

BOSSUN

Boston Logan Intl

Sat 4/5

7:00 am-9:43 am

1 stop28h 43m

Hailey Sun Valley-Friedman

Sat 4/12

10:25 am-11:59 pm

1 stop11h 34m

$346

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Tue 4/29

6:15 am-12:26 pm

1 stop8h 11m

Idaho Falls Fanning Field

Tue 4/29

6:55 pm-6:36 am

1 stop9h 41m

$347

BostonHailey

BOS - SUN

BOSSUN

Boston Logan Intl

Sat 4/5

6:15 am-2:44 pm

1 stop10h 29m

Hailey Sun Valley-Friedman

Sat 4/12

7:30 am-7:05 pm

2 stops9h 35m

$352

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/7

Showing 1-10 of 58 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, 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 $432). 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 March 8, 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.

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 March 8, 2025.
Read through reviews of airlines operating flights from Boston to Idaho, such as Southwest, Alaska Airlines and Delta. 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
4,314 reviews

Entertainment

7.6

Overall

8.1

Crew

8.7

Boarding

8.2

Comfort

8.1

Food

7.1

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Southwest
8.1
Very good
4,314 reviews
Southwest
8.1
Very good
4,314 reviews

Entertainment

7.6

Overall

8.1

Crew

8.7

Boarding

8.2

Comfort

8.1

Food

7.1

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Alaska Airlines
8.0
Very good
9,714 reviews
Southwest
8.1
Very good
4,314 reviews

Entertainment

7.6

Overall

8.1

Crew

8.7

Boarding

8.2

Comfort

8.1

Food

7.1

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Delta
8.0
Very good
8,024 reviews
Southwest
8.1
Very good
4,314 reviews

Entertainment

7.6

Overall

8.1

Crew

8.7

Boarding

8.2

Comfort

8.1

Food

7.1

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Hawaiian Airlines
7.9
Good
2,318 reviews
Southwest
8.1
Very good
4,314 reviews

Entertainment

7.6

Overall

8.1

Crew

8.7

Boarding

8.2

Comfort

8.1

Food

7.1

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

United Airlines
7.4
Good
8,649 reviews
Southwest
8.1
Very good
4,314 reviews

Entertainment

7.6

Overall

8.1

Crew

8.7

Boarding

8.2

Comfort

8.1

Food

7.1

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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 Spirit Airlines, which is currently one of the cheapest options available, starting at $109. Alaska Airlines flights start at $148 while deals on Hawaiian Airlines start at $148 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, 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 $432). 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 March 8, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$209Average$348FlexibilityNo cancel feeOn-time65%
DeltaCheapest$317Average$745FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$330Average$734FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$343Average$564FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$347Average$643FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$416Average$559FlexibilityNo cancel feeOn-time63%
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