$127 Cheap Flights from Great Falls (GTF) to Boise (BOI)

View $127 flight on Wed, Mar 11, 2026Opens in a new window

Popular airlines from Great Falls, MT (GTF-Great Falls Intl.) to Boise Airport (BOI)

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Cheap Flights from Great Falls to Boise (GTF-BOI)

Prices were available within the past 7 days and start at $127 for one-way flights and $232 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Wed, Dec 31 - Tue, Jan 6
GTF
Great Falls
BOI
Boise
$232 Roundtrip, found 1 day ago
$232
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Wed, Dec 31 from Great Falls to Boise, returning Tue, Jan 6, priced at $232 found 1 day ago
Hawaiian Airlines
Tue, Dec 2 - Tue, Dec 16
GTF
Great Falls
BOI
Boise
$242 Roundtrip, found 2 days ago
$242
Roundtrip
found 2 days ago
Select Hawaiian Airlines flight, departing Tue, Dec 2 from Great Falls to Boise, returning Tue, Dec 16, priced at $242 found 2 days ago
Hawaiian Airlines
Tue, Dec 2 - Sun, Dec 14
GTF
Great Falls
BOI
Boise
$252 Roundtrip, found 2 days ago
$252
Roundtrip
found 2 days ago
Select Hawaiian Airlines flight, departing Tue, Dec 2 from Great Falls to Boise, returning Sun, Dec 14, priced at $252 found 2 days ago
Hawaiian Airlines
Wed, Nov 19 - Thu, Dec 11
GTF
Great Falls
BOI
Boise
$262 Roundtrip, found 4 days ago
$262
Roundtrip
found 4 days ago
Select Hawaiian Airlines flight, departing Wed, Nov 19 from Great Falls to Boise, returning Thu, Dec 11, priced at $262 found 4 days ago
Alaska Airlines
Thu, Dec 4 - Mon, Dec 8
GTF
Great Falls
BOI
Boise
$272 Roundtrip, found 2 days ago
$272
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Thu, Dec 4 from Great Falls to Boise, returning Mon, Dec 8, priced at $272 found 2 days ago
Alaska Airlines
Tue, Dec 2 - Wed, Dec 3
GTF
Great Falls
BOI
Boise
$278 Roundtrip, found 2 days ago
$278
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Tue, Dec 2 from Great Falls to Boise, returning Wed, Dec 3, priced at $278 found 2 days ago
Alaska Airlines
Wed, Dec 31 - Tue, Jan 6
GTF
Great Falls
BOI
Boise
$280 Roundtrip, found 1 day ago
$280
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Wed, Dec 31 from Great Falls to Boise, returning Tue, Jan 6, priced at $280 found 1 day ago
Hawaiian Airlines
Sun, Nov 16 - Fri, Dec 5
GTF
Great Falls
BOI
Boise
$282 Roundtrip, found 4 days ago
$282
Roundtrip
found 4 days ago
Select Hawaiian Airlines flight, departing Sun, Nov 16 from Great Falls to Boise, returning Fri, Dec 5, priced at $282 found 4 days ago
Delta
Thu, Nov 20 - Mon, Nov 24
GTF
Great Falls
BOI
Boise
$283 Roundtrip, found 3 days ago
$283
Roundtrip
found 3 days ago
Select Delta flight, departing Thu, Nov 20 from Great Falls to Boise, returning Mon, Nov 24, priced at $283 found 3 days ago
United
Wed, Jan 21 - Thu, Jan 22
GTF
Great Falls
BOI
Boise
$695 Roundtrip, found 6 hours ago
$695
Roundtrip
found 6 hours ago
Select United flight, departing Wed, Jan 21 from Great Falls to Boise, returning Thu, Jan 22, priced at $695 found 6 hours ago

Find the cheapest month to fly from Great Falls (GTF) to Boise (BOI)

January is typically the cheapest month to fly

From $197 - $689 per traveler.

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 $380
BOI
Boise Airport
CheapestClosest
Average driving time to city center8 min
Flights from $380

Frequently asked questions

How much does a flight from Great Falls Intl. Airport (GTF) to Boise Airport (BOI) cost?
Lock in a cheap one-way flight from $127 or cheap return flight from $232 from Great Falls Intl. Airport (GTF) to Boise Airport (BOI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Great Falls Intl. Airport (GTF) to Boise Airport (BOI)?
Flying in December is a good way to save, as it's the cheapest month for flights between GTF and BOI. You'll often find the lowest prices during off-peak months.
What is the cheapest airline that flies from Great Falls Intl. Airport (GTF) to Boise Airport (BOI)?
To find the cheapest airline flying from GTF to BOI, use Expedia's filter tool. Customize your search based on what's important to you, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Great Falls Intl. Airport (GTF) to Boise Airport (BOI)?
You'll have to take a flight with a layover if you're traveling from Great Falls Intl. Airport (GTF) to Boise Airport (BOI). There are no daily direct flights on this route. However, just filter your search to include one or more stops to discover the best option for your trip.
What day of the week has the most flights from GTF to BOI?
Generally you'll find the most flight options available on a Friday. Tuesdays are often the quietest.* However, this can vary depending on the time of year, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Great Falls Intl. Airport (GTF) to Boise Airport (BOI)?
Select a flight from Great Falls Intl. Airport (GTF) to Boise Airport (BOI) that takes off before 3 PM to reduce the risk of delays and cancellations. Departures after this time are on average 22% more likely to be canceled.**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 Great Falls Intl. Airport (GTF) to Boise Airport (BOI) last-minute?
Last-minute bookings from GTF to BOI are usually more expensive. For the cheapest rates, start searching for flights as soon as possible. That said, if you can play around with your travel dates, you may score a cheap ticket right before your trip.
Is it cheaper to book a GTF to BOI flight and hotel package?
Compared with arranging hotels and flights separately, booking a GTF to BOI flight and hotel package with Expedia could result in significant savings. Better still, having it all in one place takes the hassle out of travel planning. Simply secure your flights and select from our wide range of stays, then tailor your trip with other add-ons like car rentals and activities.
Can I cancel or change the date of my flight from Great Falls Intl. Airport (GTF) to Boise Airport (BOI)?
If you booked your GTF to BOI flight in the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, 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 for further details.

Travel information

Origin airport
Great Falls Intl.
Destination airport
Boise
Airlines serving
Alaska Airlines, Delta, Hawaiian Airlines, United
Roundtrip price
$230
Distance
358 mi

Book with confidence

Great Falls to Boise Flights

The cheapest times to fly from Great Falls 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 Great Falls to Boise are during the month of December. You can find some of the cheapest flights from Great Falls to Boise with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Great Falls to Boise

Sunday is one of the best days to book for cheap flights from Great Falls 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 Great Falls 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 Great Falls to Boise in 2025. You can also book with separate airlines for your outbound and return journeys, from $127 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 Great Falls 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 Great Falls 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.

 

Great Falls to Boise Flights

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*Available to One Key members.