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$142+ Cheap flights from Boston to Boise (BOS - BOI)

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 9/20. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — BOI
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Boston Logan Intl to Boise Air Term. Gowen Fld are usually found in January or March, booked 63 days in advance, depart on a Saturday or Wednesday and return on a Tuesday

Cheap flight deals from Boston to Boise

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Boise (BOI). 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 June 12, 2025.

Round-trip from

$279
(Alaska Airlines)

One-way from

$143
(American Airlines)

Popular in

December

Cheapest in

January

Average price

$501
From Boston Logan Intl to Boise Air Term. Gowen Fld
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One-way flight from Boston Logan Intl to Boise Air Term. Gowen Fld
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High demand for flights, 1% potential price rise
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Boston to Boise

Cheapest flights from Boston to Boise
Explore the most affordable flight options available from Boston to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/139:20 amBOS - BOI
1 stop9h 58mAlaska Airlines
Sat 9/138:46 pmBOI - BOS
1 stop9h 14mAlaska Airlines
Deal found 6/10$279
This Hawaiian Airlines deal was found by Cheapflights users on 6/12. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/66:00 amBOS - BOI
1 stop8h 50mHawaiian Airlines
Sat 9/138:46 pmBOI - BOS
1 stop9h 14mHawaiian Airlines
Deal found 6/12$284
This Delta deal was found by Cheapflights users on 6/10. 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 9/106:10 amBOS - BOI
1 stop10h 53mDelta
Tue 9/1610:38 amBOI - BOS
1 stop11h 06mDelta
Deal found 6/10$285
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/282:33 pmBOS - BOI
1 stop9h 07mAmerican Airlines
Sun 8/311:07 pmBOI - BOS
1 stop8h 52mAmerican Airlines
Deal found 6/11$291
This Southwest deal was found by Cheapflights users on 6/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/65:35 amBOS - BOI
2 stops11h 15mSouthwest
Sat 9/135:10 amBOI - BOS
1 stop6h 55mSouthwest
Deal found 6/10$320
This FlightHub deal was found by Cheapflights users on 6/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/66:00 amBOS - BOI
2 stops16h 44mSpirit Airlines
Fri 9/129:49 pmBOI - BOS
2 stops22h 23mSpirit Airlines
Deal found 6/11$344
This Booking.com deal was found by Cheapflights users on 6/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/176:30 amBOS - BOI
1 stop12h 02mMultiple Airlines
Mon 7/287:48 pmBOI - BOS
2 stops10h 49mMultiple Airlines
Deal found 6/10$363
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Fri 10/36:00 amBOS - BOI
1 stop9h 48mUnited Airlines
Fri 10/37:05 pmBOI - BOS
1 stop9h 02mUnited Airlines
Deal found 6/10$391
This Sun Country Air deal was found by Cheapflights users on 6/11. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/2711:38 amBOS - BOI
1 stop8h 18mSun Country Air
Sun 8/105:50 pmBOI - BOS
1 stop14h 47mSun Country Air
Deal found 6/11$465

Cheapflights Fare Finder

Customize your flight search to find flights from Boston to Boise 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 June 12, 2025.
Use the filters below to find and compare flights from Boston to Boise that are best for you.

Fly from

Boston

Fly to

Boise

Route

Depart

Return

Price

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Sat 9/13

9:20 am-5:18 pm

1 stop9h 58m

Boise Air Term. Gowen Fld

Sat 9/13

8:46 pm-8:00 am

1 stop9h 14m

$279

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Sat 9/6

6:00 am-12:50 pm

1 stop8h 50m

Boise Air Term. Gowen Fld

Sat 9/13

8:46 pm-8:00 am

1 stop9h 14m

$284

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Wed 9/10

6:10 am-3:03 pm

1 stop10h 53m

Boise Air Term. Gowen Fld

Tue 9/16

10:38 am-11:44 pm

1 stop11h 06m

$285

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Thu 8/28

2:33 pm-9:40 pm

1 stop9h 07m

Boise Air Term. Gowen Fld

Sun 8/31

1:07 pm-11:59 pm

1 stop8h 52m

$291

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Sat 9/6

5:35 am-2:50 pm

2 stops11h 15m

Boise Air Term. Gowen Fld

Sat 9/13

5:10 am-2:05 pm

1 stop6h 55m

$320

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Sat 9/6

6:00 am-8:44 pm

2 stops16h 44m

Boise Air Term. Gowen Fld

Fri 9/12

9:49 pm-10:12 pm

2 stops22h 23m

$344

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Thu 7/17

6:30 am-4:32 pm

1 stop12h 02m

Boise Air Term. Gowen Fld

Mon 7/28

7:48 pm-8:37 am

2 stops10h 49m

$363

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Fri 10/3

6:00 am-1:48 pm

1 stop9h 48m

Boise Air Term. Gowen Fld

Fri 10/3

7:05 pm-6:07 am

1 stop9h 02m

$391

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Sun 7/27

11:38 am-5:56 pm

1 stop8h 18m

Boise Air Term. Gowen Fld

Sun 8/10

5:50 pm-10:37 am

1 stop14h 47m

$465

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Sat 9/20

4:00 pm-10:40 pm

1 stop8h 40m

$142

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 17 results
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Best time to book a flight from Boston to Boise

Have a flexible travel schedule? Discover the best time to fly to Boise 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 Boise

How far ahead should I book a flight from Boston to Boise?

Use this chart to determine the optimal time to book a round-trip flight from Boston to Boise. Price data was last updated on June 9, 2025.

The best time to book flights from Boston to Boise is 63 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, October is the cheapest month in which you can book a flight from Boston to Boise (average of $314). Flying from Boston to Boise in June is currently the most expensive (average of $395). 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 BOI?

Find hourly flight availability from Boston to Boise. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

It’s optimal to fly from Boston to Boise at noon. By choosing this option you can save up to 26% on the cost of your flight, compared to a flight in the evening.

Rainfall in Boise by month

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

In terms of precipitation, rainfall in Boise 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 Boise when rainfall is around 0.2 in.

Temperature in Boise by month

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

If weather is an important factor for your trip to Boise, 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 Boise

Get insights into the airlines that provide service to Boise. 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 Boise. Reviews last updated June 12, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest and Delta from Boston to Boise. 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
10,000 reviews

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from Boston to Boise. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Boston to Boise round-trip?

    Flying on Alaska Airlines is currently your cheapest option to Boise, with prices starting at $279. Additional round-trip tickets that might be worth considering are offered by Hawaiian Airlines and Delta, with the lowest prices starting at $284 and $285, respectively. You may be able to fly from Boston to Boise for 40% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Boston to Boise one-way?

    For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $143. Users have also found prices from $189 and $190 on Alaska Airlines and Delta, respectively.

  • Can I find deals for flights from Boston to Boise that include hotel bookings?

    Yes. In addition to deals on Boston to Boise flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boston to Boise?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Boise.

  • Can I find deals for business class flights from Boston to Boise?

    Yes. Cheapflights offers flight deals from Boston to Boise 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 Boise?

    Currently, October is the cheapest month in which you can book a flight from Boston to Boise (average of $314). Flying from Boston to Boise in June is currently the most expensive (average of $395). 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

Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Nampa
Meridian
Ontario
McCall
Caldwell

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Top 6 airlines flying from Boston to Boise

Discover the top 6 airlines that operate flights from Boston to Boise. 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$239Average$353FlexibilityNo cancel feeOn-time65%
DeltaCheapest$289Average$433FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$299Average$495FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$302Average$478FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$325Average$571FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$385Average$527FlexibilityNo cancel feeOn-time63%

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