$170 Cheap Flights from Butte (BTM) to Boise (BOI)

View $170 flight on Fri, Nov 7, 2025Opens in a new window

Popular airlines from Butte, MT (BTM-Bert Mooney) to Boise Airport (BOI)

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Cheap Flights from Butte to Boise (BTM-BOI)

Prices were available within the past 7 days and start at $170 for one-way flights and $214 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, Nov 20 - Tue, Nov 25
BTM
Butte
BOI
Boise
$214 Roundtrip, found 18 hours ago
$214
Roundtrip
found 18 hours ago
Select Delta flight, departing Thu, Nov 20 from Butte to Boise, returning Tue, Nov 25, priced at $214 found 18 hours ago
Delta
Wed, Oct 29 - Wed, Nov 5
BTM
Butte
BOI
Boise
$219 Roundtrip, found 21 hours ago
$219
Roundtrip
found 21 hours ago
Select Delta flight, departing Wed, Oct 29 from Butte to Boise, returning Wed, Nov 5, priced at $219 found 21 hours ago
Delta
Wed, Oct 29 - Fri, Nov 7
BTM
Butte
BOI
Boise
$229 Roundtrip, found 21 hours ago
$229
Roundtrip
found 21 hours ago
Select Delta flight, departing Wed, Oct 29 from Butte to Boise, returning Fri, Nov 7, priced at $229 found 21 hours ago
Delta
Fri, Oct 17 - Tue, Oct 21
BTM
Butte
BOI
Boise
$234 Roundtrip, found 3 days ago
$234
Roundtrip
found 3 days ago
Select Delta flight, departing Fri, Oct 17 from Butte to Boise, returning Tue, Oct 21, priced at $234 found 3 days ago
Delta
Wed, Oct 22 - Sat, Nov 8
BTM
Butte
BOI
Boise
$239 Roundtrip, found 4 days ago
$239
Roundtrip
found 4 days ago
Select Delta flight, departing Wed, Oct 22 from Butte to Boise, returning Sat, Nov 8, priced at $239 found 4 days ago
Delta
Tue, Dec 16 - Sun, Jan 4
BTM
Butte
BOI
Boise
$244 Roundtrip, found 4 days ago
$244
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Dec 16 from Butte to Boise, returning Sun, Jan 4, priced at $244 found 4 days ago
Delta
Fri, Oct 17 - Sat, Oct 25
BTM
Butte
BOI
Boise
$249 Roundtrip, found 4 days ago
$249
Roundtrip
found 4 days ago
Select Delta flight, departing Fri, Oct 17 from Butte to Boise, returning Sat, Oct 25, priced at $249 found 4 days ago
Delta
Thu, Nov 20 - Tue, Dec 2
BTM
Butte
BOI
Boise
$258 Roundtrip, found 18 hours ago
$258
Roundtrip
found 18 hours ago
Select Delta flight, departing Thu, Nov 20 from Butte to Boise, returning Tue, Dec 2, priced at $258 found 18 hours ago
Delta
Sat, Nov 1 - Wed, Nov 5
BTM
Butte
BOI
Boise
$263 Roundtrip, found 21 hours ago
$263
Roundtrip
found 21 hours ago
Select Delta flight, departing Sat, Nov 1 from Butte to Boise, returning Wed, Nov 5, priced at $263 found 21 hours ago
United
Wed, Nov 12 - Fri, Nov 28
BTM
Butte
BOI
Boise
$377 Roundtrip, found 4 days ago
$377
Roundtrip
found 4 days ago
Select United flight, departing Wed, Nov 12 from Butte to Boise, returning Fri, Nov 28, priced at $377 found 4 days ago

Alternative airports near Boise

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Boise Airport BOI. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $397
BOI
Boise Airport
CheapestClosest
Average driving time to city center8 min
Flights from $397

Frequently asked questions

How much does a flight from Bert Mooney Airport (BTM) to Boise Airport (BOI) cost?
Grab a cheap one-way flight from $170 or cheap return flight from $214 from Bert Mooney Airport (BTM) to Boise Airport (BOI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Bert Mooney Airport (BTM) to Boise Airport (BOI)?
The cheapest month to fly from BTM to BOI is November, when demand is low. Off-peak season is typically when better flight deals are available between these airports.
What is the cheapest airline that flies from Bert Mooney Airport (BTM) to Boise Airport (BOI)?
To find the cheapest airline that'll fly you from BTM to BOI, use Expedia's filter tool. Customize your search based on your travel needs, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Bert Mooney Airport (BTM) to Boise Airport (BOI)?
There are no daily nonstop flights departing from Bert Mooney Airport (BTM) to Boise Airport (BOI). But you can opt for flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be soaring above the clouds in no time at all.
What day of the week has the most flights from BTM to BOI?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can change depending on various factors, such as the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Bert Mooney Airport (BTM) to Boise Airport (BOI)?
To reach Boise Airport (BOI) on schedule, choose a flight that leaves Bert Mooney Airport (BTM) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Bert Mooney Airport (BTM) to Boise Airport (BOI) last-minute?
Holding off until just before your trip to book a ticket from BTM to BOI often results in higher prices. Although you may find some last-minute discounts, there's no guarantee. Allow some flexibility in your schedule to boost your chances of landing a bargain.
Is it cheaper to book a BTM to BOI flight and hotel package?
You can save money by booking a BTM to BOI flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one convenient place. After choosing your ideal flights and accommodations, you can add extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Bert Mooney Airport (BTM) to Boise Airport (BOI)?
If you booked your BTM to BOI flight within the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of fare you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you want more information.

Travel information

Origin airport
Bert Mooney
Destination airport
Boise
Airlines serving
Delta, United
Roundtrip price
$214
Distance
245 mi

Book with confidence

Butte to Boise Flights

The cheapest times to fly from Butte to Boise

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Butte to Boise are during the month of November. You can find some of the cheapest flights from Butte to Boise with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Butte to Boise

Sunday is one of the best days to book for cheap flights from Butte to Boise: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Butte to Boise

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Butte to Boise in 2025. You can also book with separate airlines for your outbound and return journeys, from $170 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Butte to Boise flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Butte to Boise airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Butte to Boise Flights

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*Available to One Key members.