$290 Cheap Flights from Austin (AUS) to Butte (BTM)

View $290 flight on Tue, Apr 14, 2026Opens in a new window

Popular airlines from Austin-Bergstrom Intl. Airport (AUS) to Butte, MT (BTM-Bert Mooney)

Cheap Flights from Austin to Butte (AUS-BTM)

Prices were available within the past 7 days and start at $290 for one-way flights and $264 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, May 2 - Sun, May 17
AUS
Austin
BTM
Butte
$264 Roundtrip, found 6 days ago
$264
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, May 2 from Austin to Butte, returning Sun, May 17, priced at $264 found 6 days ago
Delta
Wed, Apr 15 - Mon, May 4
AUS
Austin
BTM
Butte
$274 Roundtrip, found 6 days ago
$274
Roundtrip
found 6 days ago
Select Delta flight, departing Wed, Apr 15 from Austin to Butte, returning Mon, May 4, priced at $274 found 6 days ago
Delta
Wed, May 6 - Mon, May 25
AUS
Austin
BTM
Butte
$289 Roundtrip, found 6 days ago
$289
Roundtrip
found 6 days ago
Select Delta flight, departing Wed, May 6 from Austin to Butte, returning Mon, May 25, priced at $289 found 6 days ago
Delta
Sat, Apr 18 - Mon, May 4
AUS
Austin
BTM
Butte
$299 Roundtrip, found 6 days ago
$299
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, Apr 18 from Austin to Butte, returning Mon, May 4, priced at $299 found 6 days ago
Delta
Fri, Apr 17 - Mon, May 4
AUS
Austin
BTM
Butte
$319 Roundtrip, found 6 days ago
$319
Roundtrip
found 6 days ago
Select Delta flight, departing Fri, Apr 17 from Austin to Butte, returning Mon, May 4, priced at $319 found 6 days ago
Delta
Sat, Apr 18 - Sun, May 3
AUS
Austin
BTM
Butte
$324 Roundtrip, found 6 days ago
$324
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, Apr 18 from Austin to Butte, returning Sun, May 3, priced at $324 found 6 days ago
Delta
Tue, May 12 - Tue, May 26
AUS
Austin
BTM
Butte
$329 Roundtrip, found 6 days ago
$329
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, May 12 from Austin to Butte, returning Tue, May 26, priced at $329 found 6 days ago
United
Wed, May 27 - Tue, Jun 16
AUS
Austin
BTM
Butte
$344 Roundtrip, found 6 days ago
$344
Roundtrip
found 6 days ago
Select United flight, departing Wed, May 27 from Austin to Butte, returning Tue, Jun 16, priced at $344 found 6 days ago
Delta
Thu, May 7 - Mon, May 25
AUS
Austin
BTM
Butte
$359 Roundtrip, found 6 days ago
$359
Roundtrip
found 6 days ago
Select Delta flight, departing Thu, May 7 from Austin to Butte, returning Mon, May 25, priced at $359 found 6 days ago
Delta
Thu, Apr 23 - Sun, May 10
AUS
Austin
BTM
Butte
$369 Roundtrip, found 6 days ago
$369
Roundtrip
found 6 days ago
Select Delta flight, departing Thu, Apr 23 from Austin to Butte, returning Sun, May 10, priced at $369 found 6 days ago

Frequently asked questions

How much does a flight from Austin-Bergstrom Intl. Airport (AUS) to Bert Mooney Airport (BTM) cost?
Lock in a cheap one-way flight from $290 or cheap return flight from $264 from Austin-Bergstrom Intl. Airport (AUS) to Bert Mooney Airport (BTM) 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 Austin-Bergstrom Intl. Airport (AUS) to Bert Mooney Airport (BTM)?
May is the least expensive month to fly from AUS to BTM. Traveling during an off-peak travel window is often the key to finding better deals on flights.
What is the cheapest airline that flies from Austin-Bergstrom Intl. Airport (AUS) to Bert Mooney Airport (BTM)?
To find the cheapest airline that'll fly you from AUS to BTM, use Expedia's filter tool. Customize your search based on your travel style, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Austin-Bergstrom Intl. Airport (AUS) to Bert Mooney Airport (BTM)?
There aren't any daily nonstop flights available from Austin-Bergstrom Intl. Airport (AUS) to Bert Mooney Airport (BTM). But you can opt for flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be cruising above the clouds in no time.
What day of the week has the most flights from AUS to BTM?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during public holidays or peak travel times.*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 Bert Mooney Airport (BTM)?
To avoid possible delays on the Austin-Bergstrom Intl. Airport (AUS) to Bert Mooney Airport (BTM) route, aim to travel before 3 PM. Departures after this hour have a 22% higher chance of cancellation.**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 Bert Mooney Airport (BTM) last-minute?
Booking your flight from AUS to BTM shortly before your getaway is usually more expensive. However, if there's some wiggle room with your schedule, you could snag a cheap last-minute fare.
Is it cheaper to book an AUS to BTM flight and hotel package?
Securing an AUS to BTM flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Pick from our wide range of accommodations and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Austin-Bergstrom Intl. Airport (AUS) to Bert Mooney Airport (BTM)?
In most instances, you can cancel or modify your AUS to BTM flight. However, additional fees may apply, especially if you booked more than 24 hours ago. Double-check your itinerary for the airline's rules and fees on flight changes, or if you need further information, head to our Customer Service portal.

Travel information

Origin airport
Austin-Bergstrom Intl.
Destination airport
Bert Mooney
Airlines serving
Delta, United
Roundtrip price
$264
Distance
1349 mi

Book with confidence

Austin to Butte Flights

The cheapest times to fly from Austin to Butte

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

 

The best time to book a flight from Austin to Butte

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

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 Butte in 2025. You can also book with separate airlines for your outbound and return journeys, from $290 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 Butte 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 Butte 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.

 

Austin to Butte Flights

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*Available to One Key members.