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

Cheap Flights from Boise to Austin (BOI-AUS)

Prices were available within the past 7 days and start at $77 for one-way flights and $140 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
BOI
Boise
AUS
Austin
$140 Roundtrip, found 1 hour ago
$140
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Thu, Dec 4 from Boise to Austin, returning Thu, Dec 11, priced at $140 found 1 hour ago
Frontier Airlines
Thu, Nov 13 - Thu, Dec 4
BOI
Boise
AUS
Austin
$150 Roundtrip, found 8 hours ago
$150
Roundtrip
found 8 hours ago
Select Frontier Airlines flight, departing Thu, Nov 13 from Boise to Austin, returning Thu, Dec 4, priced at $150 found 8 hours ago
Frontier Airlines
Thu, Nov 13 - Thu, Dec 4
BOI
Boise
AUS
Austin
$160 Roundtrip, found 8 hours ago
$160
Roundtrip
found 8 hours ago
Select Frontier Airlines flight, departing Thu, Nov 13 from Boise to Austin, returning Thu, Dec 4, priced at $160 found 8 hours ago
Frontier Airlines
Thu, Dec 4 - Sun, Dec 7
BOI
Boise
AUS
Austin
$162 Roundtrip, found 1 day ago
$162
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Thu, Dec 4 from Boise to Austin, returning Sun, Dec 7, priced at $162 found 1 day ago
Frontier Airlines
Thu, Dec 11 - Sun, Dec 14
BOI
Boise
AUS
Austin
$172 Roundtrip, found 7 hours ago
$172
Roundtrip
found 7 hours ago
Select Frontier Airlines flight, departing Thu, Dec 11 from Boise to Austin, returning Sun, Dec 14, priced at $172 found 7 hours ago
Delta
Tue, Dec 9 - Thu, Dec 11
BOI
Boise
AUS
Austin
$184 Roundtrip, found 5 days ago
$184
Roundtrip
found 5 days ago
Select Delta flight, departing Tue, Dec 9 from Boise to Austin, returning Thu, Dec 11, priced at $184 found 5 days ago
American Airlines
Tue, Feb 10 - Sat, Feb 14
BOI
Boise
AUS
Austin
$185 Roundtrip, found 4 days ago
$185
Roundtrip
found 4 days ago
Select American Airlines flight, departing Tue, Feb 10 from Boise to Austin, returning Sat, Feb 14, priced at $185 found 4 days ago
Delta
Sat, Dec 6 - Tue, Dec 9
BOI
Boise
AUS
Austin
$185 Roundtrip, found 4 days ago
$185
Roundtrip
found 4 days ago
Select Delta flight, departing Sat, Dec 6 from Boise to Austin, returning Tue, Dec 9, priced at $185 found 4 days ago
Southwest Airlines
Sat, Dec 6 - Tue, Dec 9
BOI
Boise
AUS
Austin
$186 Roundtrip, found 4 days ago
$186
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Sat, Dec 6 from Boise to Austin, returning Tue, Dec 9, priced at $186 found 4 days ago
Alaska Airlines
Tue, Dec 9 - Thu, Dec 11
BOI
Boise
AUS
Austin
$193 Roundtrip, found 5 days ago
$193
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Tue, Dec 9 from Boise to Austin, returning Thu, Dec 11, priced at $193 found 5 days ago

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

August is typically the cheapest month to fly

From $158 - $402 per traveler.

Alternative airports near Austin

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

Select flight to Austin-Bergstrom Intl. AUS. Cheapest and Closest option available. Average driving time to city center is 11 minutes. Flights from $412
AUS
Austin-Bergstrom Intl.
CheapestClosest
Average driving time to city center11 min
Flights from $412

Frequently asked questions

How much does a flight from Boise Airport (BOI) to Austin-Bergstrom Intl. Airport (AUS) cost?
Secure a cheap one-way flight from $77 or cheap return flight from $140 from Boise Airport (BOI) to Austin-Bergstrom Intl. Airport (AUS) 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 Boise Airport (BOI) to Austin-Bergstrom Intl. Airport (AUS)?
December is the cheapest month to fly from BOI to AUS. Traveling during an off-peak travel window is often the key to landing a great deal.
What is the cheapest airline that flies from Boise Airport (BOI) to Austin-Bergstrom Intl. Airport (AUS)?
Use the filter tool on Expedia to compare different airlines and find the most affordable carrier that'll fly you from BOI to AUS. Then, sort your results by "Price (lowest to highest)" to score a great deal.
How many flights per day from Boise Airport (BOI) to Austin-Bergstrom Intl. Airport (AUS)?
Nonstop flights from Boise Airport (BOI) to Austin-Bergstrom Intl. Airport (AUS) 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 BOI to AUS?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can vary based on various factors, including the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What airline has the least delays from BOI to AUS?
Alaska Airlines has the best track record for on-time direct flights from Boise Airport (BOI) to Austin-Bergstrom Intl. Airport (AUS), with an on-time rating of 88%. Use the Expedia App to check your flight status before you leave and get real-time alerts about any changes.
What is the best time to fly from Boise Airport (BOI) to Austin-Bergstrom Intl. Airport (AUS)?
Select a flight from Boise Airport (BOI) to Austin-Bergstrom Intl. Airport (AUS) that leaves before 3 PM to reduce the likelihood 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 Boise Airport (BOI) to Austin-Bergstrom Intl. Airport (AUS) last-minute?
Holding off until right before your break to book a flight from BOI to AUS generally means paying more. While you might find some last-minute discounts, they aren't always guaranteed. Be flexible with your itinerary for a better chance of snagging a bargain.
Is it cheaper to book a BOI to AUS flight and hotel package?
You can save money by securing a BOI to AUS flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. After choosing your ideal flights and accommodations, consider adding extras such as tours, car rentals and activities.
Can I cancel or change the date of my flight from Boise Airport (BOI) to Austin-Bergstrom Intl. Airport (AUS)?
If you booked your BOI to AUS flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you want more information.

Travel information

Origin airport
Boise
Destination airport
Austin-Bergstrom Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, Southwest Airlines, United
Roundtrip price
$140
Distance
1373 mi

Book with confidence

Boise to Austin Flights

The cheapest times to fly from Boise to Austin

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

 

The best time to book a flight from Boise to Austin

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

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 Boise to Austin in 2025. You can also book with separate airlines for your outbound and return journeys, from $77 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 Boise to Austin 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 Boise to Austin 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.

 

Boise to Austin Flights

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*Available to One Key members.