HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Boise

$153+ 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 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — BOI
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Boston to Boise with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 July 29, 2025.

Round-trip from

$306
(Kiwi.com)

One-way from

$153
(Mytrip)

Popular in

December

Cheapest in

January

Average price

$442
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
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

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 July 29, 2025.

This Kiwi.com deal was found by Cheapflights users on 7/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/137:20 amBOS - BOI
1 stop8h 34mHawaiian Airlines
Sat 9/202:28 pmBOI - BOS
1 stop7h 59mHawaiian Airlines
Deal found 7/29$306
This Delta deal was found by Cheapflights users on 7/29. 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 9/177:25 amBOS - BOI
1 stop10h 15mDelta
Tue 9/232:05 pmBOI - BOS
1 stop7h 54mDelta
Deal found 7/29$323
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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 9/176:55 pmBOS - BOI
2 stops14h 25mAlaska Airlines
Wed 9/2411:22 amBOI - BOS
1 stop11h 05mAlaska Airlines
Deal found 7/29$329
This Mytrip deal was found by Cheapflights users on 7/27. 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.
Fri 9/56:20 amBOS - BOI
2 stops16h 01mSpirit Airlines
Fri 9/129:16 pmBOI - BOS
2 stops23h 27mSpirit Airlines
Deal found 7/27$330
This United Airlines deal was found by Cheapflights users on 7/27. 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 8/236:09 amBOS - BOI
1 stop7h 22mUnited Airlines
Sun 8/315:00 amBOI - BOS
2 stops9h 43mUnited Airlines
Deal found 7/27$337
This American Airlines deal was found by Cheapflights users on 7/28. 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 9/176:15 amBOS - BOI
1 stop9h 02mAmerican Airlines
Tue 9/237:00 amBOI - BOS
2 stops9h 59mAmerican Airlines
Deal found 7/28$344
This Southwest deal was found by Cheapflights users on 7/28. 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 9/32:50 pmBOS - BOI
2 stops10h 15mSouthwest
Wed 9/108:45 amBOI - BOS
2 stops10h 50mSouthwest
Deal found 7/28$381
This Mytrip deal was found by Cheapflights users on 7/28. 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.
Thu 9/46:20 amBOS - BOI
2 stops11h 25mMultiple Airlines
Sun 9/72:16 pmBOI - BOS
2 stops18h 57mMultiple Airlines
Deal found 7/28$386

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 July 29, 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

7:20 am-1:54 pm

1 stop8h 34m

Boise Air Term. Gowen Fld

Sat 9/20

2:28 pm-12:27 am

1 stop7h 59m

$306

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Wed 9/17

7:25 am-3:40 pm

1 stop10h 15m

Boise Air Term. Gowen Fld

Tue 9/23

2:05 pm-11:59 pm

1 stop7h 54m

$323

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Wed 9/17

6:55 pm-7:20 am

2 stops14h 25m

Boise Air Term. Gowen Fld

Wed 9/24

11:22 am-12:27 am

1 stop11h 05m

$329

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Tue 10/28

2:04 pm-10:22 pm

2 stops10h 18m

Boise Air Term. Gowen Fld

Tue 11/4

7:00 am-5:08 pm

1 stop8h 08m

$330

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Sat 8/23

6:09 am-11:31 am

1 stop7h 22m

Boise Air Term. Gowen Fld

Sun 8/31

5:00 am-4:43 pm

2 stops9h 43m

$337

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Fri 9/26

6:20 am-8:21 pm

3 stops16h 01m

Boise Air Term. Gowen Fld

Mon 9/29

9:16 pm-10:43 pm

2 stops23h 27m

$345

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Wed 9/3

2:50 pm-11:05 pm

2 stops10h 15m

Boise Air Term. Gowen Fld

Wed 9/10

8:45 am-9:35 pm

2 stops10h 50m

$381

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Thu 9/4

6:20 am-3:45 pm

2 stops11h 25m

Boise Air Term. Gowen Fld

Sun 9/7

2:16 pm-11:13 am

2 stops18h 57m

$386

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Mon 9/8

6:20 am-8:21 pm

2 stops16h 01m

$153

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Sat 10/4

7:20 am-3:45 pm

1 stop10h 25m

$162

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 17 results
1
2

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 July 25, 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 $398). 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 July 29, 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.

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 July 29, 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
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Food

7.1

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Food

7.1

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Southwest
8.0
Very good
4,238 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Food

7.1

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,977 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Food

7.1

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,605 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Food

7.1

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,893 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Food

7.1

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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 Hawaiian Airlines is currently your cheapest option to Boise, with prices starting at $306. Additional round-trip tickets that might be worth considering are offered by Delta and Alaska Airlines, with the lowest prices starting at $323 and $329, respectively. You may be able to fly from Boston to Boise for 33% 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 Spirit Airlines. According to our data, you can fly for as low as $153. Users have also found prices from $162 and $168 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, 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 $398). 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
Meridian
Nampa
Ontario
McCall
Caldwell

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$239Average$359FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$264Average$466FlexibilityNo cancel feeOn-time71%
DeltaCheapest$285Average$428FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$320Average$451FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$330Average$559FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$387Average$513FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.