$70 Cheap Flights from Austin (AUS) to Boise (BOI)

View $70 flight on Thu, Dec 11, 2025Opens in a new window

Popular airlines from Austin-Bergstrom Intl. Airport (AUS) to Boise Airport (BOI)

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Cheap Flights from Austin to Boise (AUS-BOI)

Prices were available within the past 7 days and start at $70 for one-way flights and $147 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Thu, Dec 4 - Thu, Dec 11
AUS
Austin
BOI
Boise
$147 Roundtrip, found 1 hour ago
$147
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Thu, Dec 4 from Austin to Boise, returning Thu, Dec 11, priced at $147 found 1 hour ago
Frontier Airlines
Thu, Nov 13 - Sun, Nov 16
AUS
Austin
BOI
Boise
$154 Roundtrip, found 5 hours ago
$154
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Thu, Nov 13 from Austin to Boise, returning Sun, Nov 16, priced at $154 found 5 hours ago
Frontier Airlines
Sun, Dec 7 - Thu, Dec 11
AUS
Austin
BOI
Boise
$172 Roundtrip, found 1 day ago
$172
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sun, Dec 7 from Austin to Boise, returning Thu, Dec 11, priced at $172 found 1 day ago
Frontier Airlines
Thu, Nov 6 - Thu, Nov 13
AUS
Austin
BOI
Boise
$186 Roundtrip, found 7 hours ago
$186
Roundtrip
found 7 hours ago
Select Frontier Airlines flight, departing Thu, Nov 6 from Austin to Boise, returning Thu, Nov 13, priced at $186 found 7 hours ago
Frontier Airlines
Thu, Dec 11 - Sun, Dec 14
AUS
Austin
BOI
Boise
$192 Roundtrip, found 1 day ago
$192
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Thu, Dec 11 from Austin to Boise, returning Sun, Dec 14, priced at $192 found 1 day ago
Frontier Airlines
Thu, Dec 4 - Tue, Dec 9
AUS
Austin
BOI
Boise
$206 Roundtrip, found 2 days ago
$206
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Thu, Dec 4 from Austin to Boise, returning Tue, Dec 9, priced at $206 found 2 days ago
Alaska Airlines
Wed, Feb 18 - Fri, Feb 20
AUS
Austin
BOI
Boise
$208 Roundtrip, found 6 days ago
$208
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Wed, Feb 18 from Austin to Boise, returning Fri, Feb 20, priced at $208 found 6 days ago
American Airlines
Fri, Dec 5 - Sun, Dec 7
AUS
Austin
BOI
Boise
$241 Roundtrip, found 3 days ago
$241
Roundtrip
found 3 days ago
Select American Airlines flight, departing Fri, Dec 5 from Austin to Boise, returning Sun, Dec 7, priced at $241 found 3 days ago
Hawaiian Airlines
Wed, Nov 19 - Wed, Dec 3
AUS
Austin
BOI
Boise
$282 Roundtrip, found 21 hours ago
$282
Roundtrip
found 21 hours ago
Select Hawaiian Airlines flight, departing Wed, Nov 19 from Austin to Boise, returning Wed, Dec 3, priced at $282 found 21 hours ago
Southwest Airlines
Tue, Dec 2 - Tue, Dec 9
AUS
Austin
BOI
Boise
$287 Roundtrip, found 1 day ago
$287
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Tue, Dec 2 from Austin to Boise, returning Tue, Dec 9, priced at $287 found 1 day ago

Find the cheapest month to fly from Austin (AUS) to Boise (BOI)

August is typically the cheapest month to fly

From $158 - $406 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 $466
BOI
Boise Airport
CheapestClosest
Average driving time to city center8 min
Flights from $466

Frequently asked questions

How much does a flight from Austin-Bergstrom Intl. Airport (AUS) to Boise Airport (BOI) cost?
Get a cheap one-way flight from $70 or cheap return flight from $147 from Austin-Bergstrom Intl. Airport (AUS) to Boise Airport (BOI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Austin-Bergstrom Intl. Airport (AUS) to Boise Airport (BOI)?
December is the most affordable month to fly from AUS to BOI. Planning your trip for the off-season is often the key to landing a great deal.
What is the cheapest airline that flies from Austin-Bergstrom Intl. Airport (AUS) to Boise Airport (BOI)?
To find the cheapest airline flying from AUS to BOI, use Expedia's filter tool. Tailor 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 discover the cheapest flight right away.
How many flights per day from Austin-Bergstrom Intl. Airport (AUS) to Boise Airport (BOI)?
Nonstop flights from Austin-Bergstrom Intl. Airport (AUS) to Boise Airport (BOI) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from AUS to BOI?
Generally you'll find the greatest selection of flight options 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 airline has the least delays from AUS to BOI?
Consider booking with Alaska Airlines if you'd like to fly straight from Austin-Bergstrom Intl. Airport (AUS) to Boise Airport (BOI) without any delays. This airline has the best track record for punctuality, with an on-time score of 84%. Want to be updated if anything changes? You can keep an eye on your flight status using the Expedia App.
What is the best time to fly from Austin-Bergstrom Intl. Airport (AUS) to Boise Airport (BOI)?
To land at Boise Airport (BOI) on time, book a flight that leaves from Austin-Bergstrom Intl. Airport (AUS) 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 Austin-Bergstrom Intl. Airport (AUS) to Boise Airport (BOI) last-minute?
Last-minute fares from AUS to BOI are generally more expensive. To lock in the cheapest rates, start searching for flights as early as possible. That being said, if you're flexible with your travel plans, you may score a cheap ticket right before your journey.
Is it cheaper to book an AUS to BOI flight and hotel package?
You'll typically save money by securing an AUS 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 place. Once you've selected your preferred accommodations and flights, consider adding extras such as activities, car rentals and tours.
Can I cancel or change the date of my flight from Austin-Bergstrom Intl. Airport (AUS) to Boise Airport (BOI)?
Typically, it's possible to reschedule or cancel your AUS to BOI flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Origin airport
Austin-Bergstrom Intl.
Destination airport
Boise
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, Southwest Airlines, United
Roundtrip price
$147
Distance
1373 mi

Book with confidence

Austin to Boise Flights

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

 

The best time to book a flight from Austin to Boise

Sunday is one of the best days to book for cheap flights from Austin 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 Austin 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 Austin to Boise in 2025. You can also book with separate airlines for your outbound and return journeys, from $70 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 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 Austin 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.

 

Austin to Boise Flights

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*Available to One Key members.