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$129+ 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 1/5. 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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1. Tell us where you want to go

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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 April, booked 74 days in advance, depart on a Saturday or Wednesday and return on a Tuesday

Cheap 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 December 12, 2025.

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 Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/242:10 pmBOS - BOI
2 stops10h 15mSouthwest
Wed 12/315:15 amBOI - BOS
1 stop8h 50mSouthwest
Deal found 12/10$623
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/312:10 pmBOS - BOI
2 stops11h 00mSouthwest
Sun 1/48:45 pmBOI - BOS
2 stops9h 20mSouthwest
Deal found 12/9$627
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.
Fri 12/124:20 pmBOS - BOI
1 stop21h 57mUnited Airlines
Thu 12/188:20 amBOI - BOS
1 stop14h 25mUnited Airlines
Deal found 12/10$754
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/296:15 amBOS - BOI
1 stop12h 45mSouthwest
Sun 1/48:45 pmBOI - BOS
2 stops9h 20mSouthwest
Deal found 12/9$779
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 12/1212:50 pmBOS - BOI
1 stop11h 55mUnited Airlines
Mon 12/157:11 pmBOI - BOS
2 stops15h 32mUnited Airlines
Deal found 12/11$791

Find 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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$257
(Delta)

One-way from

$129
(Delta)

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.
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From Boston Logan Intl to Boise Air Term. Gowen Fld
Search Deals
One-way flight from Boston Logan Intl to Boise Air Term. Gowen Fld
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 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 December 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

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

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Thu 1/22

4:16 pm-10:57 pm

1 stop8h 41m

Boise Air Term. Gowen Fld

Thu 1/29

9:48 am-9:52 pm

2 stops10h 04m

$312

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Fri 1/9

9:45 am-7:25 pm

2 stops11h 40m

Boise Air Term. Gowen Fld

Sun 1/11

5:54 pm-5:32 am

1 stop9h 38m

$321

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Tue 2/3

7:00 am-3:10 pm

1 stop10h 10m

Boise Air Term. Gowen Fld

Wed 2/4

6:23 am-4:20 pm

1 stop7h 57m

$340

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Thu 1/22

2:40 pm-11:10 pm

2 stops10h 30m

Boise Air Term. Gowen Fld

Thu 1/29

7:45 am-8:50 pm

2 stops11h 05m

$348

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Fri 1/16

6:44 pm-10:52 am

1 stop18h 08m

Boise Air Term. Gowen Fld

Mon 1/19

12:46 pm-3:20 pm

1 stop24h 34m

$351

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Tue 3/3

5:50 am-1:58 pm

1 stop10h 08m

Boise Air Term. Gowen Fld

Sun 3/8

5:50 am-3:42 pm

1 stop7h 52m

$376

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Tue 2/24

7:00 am-5:27 pm

2 stops12h 27m

Boise Air Term. Gowen Fld

Mon 3/2

9:52 am-11:59 pm

1 stop12h 07m

$381

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Thu 2/26

7:00 am-3:08 pm

1 stop10h 08m

Boise Air Term. Gowen Fld

Sun 3/1

6:00 pm-6:54 am

1 stop10h 54m

$397

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Fri 1/9

9:30 am-7:45 pm

2 stops12h 15m

Boise Air Term. Gowen Fld

Sun 1/11

9:48 am-11:49 pm

2 stops12h 01m

$417

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 20 results
1
2

Compare providers for flights from Boston to Boise

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boston to Boise in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Boston-Boise flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Boston-Boise flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Boston-Boise flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boston-Boise flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boston-Boise flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 December 5, 2025.

The best time to book flights from Boston to Boise is 74 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, April is the cheapest month in which you can book a flight from Boston to Boise (average of $204). Flying from Boston to Boise 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 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 December 12, 2025.

It’s optimal to fly from Boston to Boise at noon. By choosing this option you can save up to 25% on the cost of your flight, compared to a flight in the evening.

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 December 12, 2025.
Read through reviews of airlines operating flights from Boston to Boise, such as Alaska Airlines, Southwest, and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,432 reviews

Entertainment

7.0

Crew

8.5

Boarding

8.1

Overall

8.0

Food

7.1

Comfort

7.8

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

Entertainment

7.0

Crew

8.5

Boarding

8.1

Overall

8.0

Food

7.1

Comfort

7.8

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

Entertainment

7.0

Crew

8.5

Boarding

8.1

Overall

8.0

Food

7.1

Comfort

7.8

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

Entertainment

7.0

Crew

8.5

Boarding

8.1

Overall

8.0

Food

7.1

Comfort

7.8

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

Entertainment

7.0

Crew

8.5

Boarding

8.1

Overall

8.0

Food

7.1

Comfort

7.8

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

Entertainment

7.0

Crew

8.5

Boarding

8.1

Overall

8.0

Food

7.1

Comfort

7.8

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 Boise. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Boston to Boise?

    There are many flights that can get you from Boston to Boise in 8h 41m. Fly via United Airlines, American Airlines, or Alaska Airlines to get the fastest option. Airlines will cover a distance of 2257 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Flying on Delta is currently your cheapest option to Boise, with prices starting at $256. Additional round-trip tickets that might be worth considering are offered by American Airlines and Alaska Airlines, with the lowest prices starting at $264 and $296, respectively. You may be able to fly from Boston to Boise for 45% 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 Delta. According to our data, you can fly for as low as $129. Users have also found prices from $154 and $157 on Alaska Airlines and American Airlines, 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, April is the cheapest month in which you can book a flight from Boston to Boise (average of $204). Flying from Boston to Boise 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

Traveling to a place near Boise?

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

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Top 5 airlines flying from Boston to Boise

Discover the top 5 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$256Average$434FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$264Average$468FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$296Average$438FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$325Average$539FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$370Average$492FlexibilityNo cancel feeOn-time63%

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