$130 Cheap Flights from Great Falls (GTF) to Boise (BOI)

View $130 flight on Tue, Sep 9, 2025Opens 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 $130 for one-way flights and $258 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hawaiian Airlines
Wed, Oct 8 - Tue, Oct 28
GTF
Great Falls
BOI
Boise
$258 Roundtrip, found 1 day ago
$258
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Wed, Oct 8 from Great Falls to Boise, returning Tue, Oct 28, priced at $258 found 1 day ago
Alaska Airlines
Tue, Sep 9 - Wed, Sep 17
GTF
Great Falls
BOI
Boise
$259 Roundtrip, found 14 hours ago
$259
Roundtrip
found 14 hours ago
Select Alaska Airlines flight, departing Tue, Sep 9 from Great Falls to Boise, returning Wed, Sep 17, priced at $259 found 14 hours ago
Hawaiian Airlines
Sat, Sep 6 - Tue, Sep 9
GTF
Great Falls
BOI
Boise
$261 Roundtrip, found 6 days ago
$261
Roundtrip
found 6 days ago
Select Hawaiian Airlines flight, departing Sat, Sep 6 from Great Falls to Boise, returning Tue, Sep 9, priced at $261 found 6 days ago
Alaska Airlines
Sat, Jan 10 - Tue, Jan 20
GTF
Great Falls
BOI
Boise
$264 Roundtrip, found 5 days ago
$264
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Sat, Jan 10 from Great Falls to Boise, returning Tue, Jan 20, priced at $264 found 5 days ago
Hawaiian Airlines
Sat, Oct 25 - Sat, Nov 8
GTF
Great Falls
BOI
Boise
$267 Roundtrip, found 1 day ago
$267
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Sat, Oct 25 from Great Falls to Boise, returning Sat, Nov 8, priced at $267 found 1 day ago
Alaska Airlines
Tue, Oct 14 - Mon, Nov 3
GTF
Great Falls
BOI
Boise
$269 Roundtrip, found 5 days ago
$269
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Tue, Oct 14 from Great Falls to Boise, returning Mon, Nov 3, priced at $269 found 5 days ago
Hawaiian Airlines
Sat, Sep 6 - Mon, Sep 15
GTF
Great Falls
BOI
Boise
$271 Roundtrip, found 6 days ago
$271
Roundtrip
found 6 days ago
Select Hawaiian Airlines flight, departing Sat, Sep 6 from Great Falls to Boise, returning Mon, Sep 15, priced at $271 found 6 days ago
Alaska Airlines
Tue, Jan 20 - Tue, Feb 3
GTF
Great Falls
BOI
Boise
$273 Roundtrip, found 5 days ago
$273
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Tue, Jan 20 from Great Falls to Boise, returning Tue, Feb 3, priced at $273 found 5 days ago
Delta
Sat, Oct 25 - Tue, Nov 11
GTF
Great Falls
BOI
Boise
$274 Roundtrip, found 1 day ago
$274
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Oct 25 from Great Falls to Boise, returning Tue, Nov 11, priced at $274 found 1 day ago
United
Sat, Oct 18 - Tue, Oct 28
GTF
Great Falls
BOI
Boise
$572 Roundtrip, found 2 days ago
$572
Roundtrip
found 2 days ago
Select United flight, departing Sat, Oct 18 from Great Falls to Boise, returning Tue, Oct 28, priced at $572 found 2 days ago

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

January is typically the cheapest month to fly

From $197 - $653 per traveler.

Graph displaying average flight prices per month

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 $482
BOI
Boise Airport
CheapestClosest
Average driving time to city center8 min
Flights from $482
Flights from Great Falls (GTF) to Boise (BOI)
Origin airport
Great Falls Intl.
Destination airport
Boise
Airlines serving
Alaska Airlines, Delta, United
Roundtrip price
$256
Distance
358 mi

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 October. 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 $130 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.

 

Frequently asked questions

How much does a flight from Great Falls Intl. Airport (GTF) to Boise Airport (BOI) cost?
Discover the latest flight deals from GTF to BOI by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from GTF to BOI?
The cheapest flights from GTF to BOI are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from GTF to BOI?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from GTF to BOI. Sort your results by "Price (lowest to highest)" to snap up a great deal.
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.

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*Available to One Key members.