$174 Cheap Flights from Austin (AUS) to Great Falls (GTF)

View $174 flight on Sat, Sep 27, 2025Opens in a new window

Popular airlines from Austin-Bergstrom Intl. Airport (AUS) to Great Falls, MT (GTF-Great Falls Intl.)

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Cheap Flights from Austin to Great Falls (AUS-GTF)

Prices were available within the past 7 days and start at $174 for one-way flights and $338 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hawaiian Airlines
Tue, Sep 9 - Tue, Sep 23
AUS
Austin
GTF
Great Falls
$338 Roundtrip, found 7 hours ago
$338
Roundtrip
found 7 hours ago
Select Hawaiian Airlines flight, departing Tue, Sep 9 from Austin to Great Falls, returning Tue, Sep 23, priced at $338 found 7 hours ago
Hawaiian Airlines
Sat, Aug 16 - Tue, Sep 2
AUS
Austin
GTF
Great Falls
$341 Roundtrip, found 1 day ago
$341
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Sat, Aug 16 from Austin to Great Falls, returning Tue, Sep 2, priced at $341 found 1 day ago
Delta
Tue, Sep 9 - Wed, Sep 24
AUS
Austin
GTF
Great Falls
$344 Roundtrip, found 7 hours ago
$344
Roundtrip
found 7 hours ago
Select Delta flight, departing Tue, Sep 9 from Austin to Great Falls, returning Wed, Sep 24, priced at $344 found 7 hours ago
United
Sat, Aug 16 - Sat, Aug 23
AUS
Austin
GTF
Great Falls
$344 Roundtrip, found 4 hours ago
$344
Roundtrip
found 4 hours ago
Select United flight, departing Sat, Aug 16 from Austin to Great Falls, returning Sat, Aug 23, priced at $344 found 4 hours ago
Alaska Airlines
Wed, Sep 10 - Tue, Sep 23
AUS
Austin
GTF
Great Falls
$347 Roundtrip, found 7 hours ago
$347
Roundtrip
found 7 hours ago
Select Alaska Airlines flight, departing Wed, Sep 10 from Austin to Great Falls, returning Tue, Sep 23, priced at $347 found 7 hours ago
Alaska Airlines
Sat, Aug 16 - Sat, Aug 23
AUS
Austin
GTF
Great Falls
$348 Roundtrip, found 4 hours ago
$348
Roundtrip
found 4 hours ago
Select Alaska Airlines flight, departing Sat, Aug 16 from Austin to Great Falls, returning Sat, Aug 23, priced at $348 found 4 hours ago
United
Sat, Aug 16 - Sat, Aug 23
AUS
Austin
GTF
Great Falls
$349 Roundtrip, found 4 hours ago
$349
Roundtrip
found 4 hours ago
Select United flight, departing Sat, Aug 16 from Austin to Great Falls, returning Sat, Aug 23, priced at $349 found 4 hours ago
United
Sat, Aug 16 - Sat, Aug 23
AUS
Austin
GTF
Great Falls
$353 Roundtrip, found 4 hours ago
$353
Roundtrip
found 4 hours ago
Select United flight, departing Sat, Aug 16 from Austin to Great Falls, returning Sat, Aug 23, priced at $353 found 4 hours ago
Alaska Airlines
Tue, Sep 23 - Mon, Sep 29
AUS
Austin
GTF
Great Falls
$358 Roundtrip, found 13 hours ago
$358
Roundtrip
found 13 hours ago
Select Alaska Airlines flight, departing Tue, Sep 23 from Austin to Great Falls, returning Mon, Sep 29, priced at $358 found 13 hours ago
Hawaiian Airlines
Sat, Aug 23 - Mon, Sep 8
AUS
Austin
GTF
Great Falls
$361 Roundtrip, found 1 day ago
$361
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Sat, Aug 23 from Austin to Great Falls, returning Mon, Sep 8, priced at $361 found 1 day ago

Find the cheapest month to fly from Austin (AUS) to Great Falls (GTF)

February is typically the cheapest month to fly

From $275 - $808 per traveler.

Graph displaying average flight prices per month

Alternative airports near Great Falls

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

Select flight to Great Falls Intl. GTF. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $582
GTF
Great Falls Intl.
CheapestClosest
Average driving time to city center8 min
Flights from $582
Flights from Austin (AUS) to Great Falls (GTF)
Origin airport
Austin-Bergstrom Intl.
Destination airport
Great Falls Intl.
Airlines serving
Alaska Airlines, Delta, Hawaiian Airlines, United
Roundtrip price
$337
Distance
1398 mi

Austin to Great Falls Flights

The cheapest times to fly from Austin to Great Falls

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 Austin to Great Falls are during the month of September. You can find some of the cheapest flights from Austin to Great Falls with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Austin to Great Falls: 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 Austin to Great Falls

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 Austin to Great Falls in 2025. You can also book with separate airlines for your outbound and return journeys, from $174 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 Austin to Great Falls 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 Austin to Great Falls 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 Austin-Bergstrom Intl. Airport (AUS) to Great Falls Intl. Airport (GTF) cost?
Discover the latest flight deals from AUS to GTF 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 AUS to GTF?
The cheapest flights from AUS to GTF 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 AUS to GTF?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from AUS to GTF. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Austin-Bergstrom Intl. Airport (AUS) to Great Falls Intl. Airport (GTF)?
Direct flights from Austin-Bergstrom Intl. Airport (AUS) to Great Falls Intl. Airport (GTF) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from AUS to GTF?
Generally you'll have the most choice when it comes to flights on a Friday. Tuesdays tend to be the quietest.* But this can vary based on the time of year, airline 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 Austin-Bergstrom Intl. Airport (AUS) to Great Falls Intl. Airport (GTF)?
To avoid potential delays on the Austin-Bergstrom Intl. Airport (AUS) to Great Falls Intl. Airport (GTF) route, travel before 3 PM. Departures after this time are 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 Austin-Bergstrom Intl. Airport (AUS) to Great Falls Intl. Airport (GTF) last-minute?
Last-minute fares from AUS to GTF are typically more expensive. To secure the cheapest rates, start searching for flights well in advance. That being said, if you can play around with your travel dates, you may land a cheap ticket right before your journey.
Is it cheaper to book an AUS to GTF flight and hotel package?
Compared with arranging flights and hotels separately, booking an AUS to GTF flight and hotel package with Expedia could result in significant savings. Better still, managing everything in one place will take the hassle out of travel planning. Just secure your flights and choose from our extensive range of hotels, then tailor your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Austin-Bergstrom Intl. Airport (AUS) to Great Falls Intl. Airport (GTF)?
In most instances, you can cancel or modify your AUS to GTF flight. However, there may be additional charges, especially if you made your booking more than 24 hours ago. Check your itinerary for the airline's fees and rules on flight changes, or if you want further details, head to our Customer Service portal.

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*Available to One Key members.