$90 Cheap Flights from Buffalo (BUF) to Austin (AUS)

View $90 flight on Mon, Dec 15, 2025Opens in a new window

Popular airlines from Buffalo Niagara Intl. Airport (BUF) to Austin-Bergstrom Intl. Airport (AUS)

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Cheap Flights from Buffalo to Austin (BUF-AUS)

Prices were available within the past 7 days and start at $90 for one-way flights and $160 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Sat, Dec 6 - Thu, Dec 11
BUF
Buffalo
AUS
Austin
$160 Roundtrip, found 1 day ago
$160
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sat, Dec 6 from Buffalo to Austin, returning Thu, Dec 11, priced at $160 found 1 day ago
Frontier Airlines
Mon, Nov 24 - Thu, Dec 4
BUF
Buffalo
AUS
Austin
$216 Roundtrip, found 4 days ago
$216
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Mon, Nov 24 from Buffalo to Austin, returning Thu, Dec 4, priced at $216 found 4 days ago
Frontier Airlines
Mon, Dec 15 - Wed, Dec 24
BUF
Buffalo
AUS
Austin
$220 Roundtrip, found 20 hours ago
$220
Roundtrip
found 20 hours ago
Select Frontier Airlines flight, departing Mon, Dec 15 from Buffalo to Austin, returning Wed, Dec 24, priced at $220 found 20 hours ago
Frontier Airlines
Sat, Nov 8 - Thu, Nov 13
BUF
Buffalo
AUS
Austin
$236 Roundtrip, found 5 days ago
$236
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Sat, Nov 8 from Buffalo to Austin, returning Thu, Nov 13, priced at $236 found 5 days ago
Frontier Airlines
Sun, Dec 7 - Thu, Jan 15
BUF
Buffalo
AUS
Austin
$238 Roundtrip, found 3 days ago
$238
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Sun, Dec 7 from Buffalo to Austin, returning Thu, Jan 15, priced at $238 found 3 days ago
Frontier Airlines
Sat, Dec 6 - Sun, Dec 14
BUF
Buffalo
AUS
Austin
$239 Roundtrip, found 4 days ago
$239
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Sat, Dec 6 from Buffalo to Austin, returning Sun, Dec 14, priced at $239 found 4 days ago
JetBlue Airways
Mon, Dec 15 - Wed, Dec 24
BUF
Buffalo
AUS
Austin
$253 Roundtrip, found 20 hours ago
$253
Roundtrip
found 20 hours ago
Select JetBlue Airways flight, departing Mon, Dec 15 from Buffalo to Austin, returning Wed, Dec 24, priced at $253 found 20 hours ago
Southwest Airlines
Thu, Jan 1 - Mon, Jan 5
BUF
Buffalo
AUS
Austin
$268 Roundtrip, found 5 days ago
$268
Roundtrip
found 5 days ago
Select Southwest Airlines flight, departing Thu, Jan 1 from Buffalo to Austin, returning Mon, Jan 5, priced at $268 found 5 days ago
Delta
Mon, Nov 24 - Tue, Dec 2
BUF
Buffalo
AUS
Austin
$320 Roundtrip, found 1 hour ago
$320
Roundtrip
found 1 hour ago
Select Delta flight, departing Mon, Nov 24 from Buffalo to Austin, returning Tue, Dec 2, priced at $320 found 1 hour ago
United
Thu, Feb 12 - Tue, Feb 17
BUF
Buffalo
AUS
Austin
$343 Roundtrip, found 21 hours ago
$343
Roundtrip
found 21 hours ago
Select United flight, departing Thu, Feb 12 from Buffalo to Austin, returning Tue, Feb 17, priced at $343 found 21 hours ago

Find the cheapest month to fly from Buffalo (BUF) to Austin (AUS)

August is typically the cheapest month to fly

From $168 - $522 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 $506
AUS
Austin-Bergstrom Intl.
CheapestClosest
Average driving time to city center11 min
Flights from $506

Frequently asked questions

How much does a flight from Buffalo Niagara Intl. Airport (BUF) to Austin-Bergstrom Intl. Airport (AUS) cost?
Grab a cheap one-way flight from $90 or cheap return flight from $160 from Buffalo Niagara Intl. Airport (BUF) to Austin-Bergstrom Intl. Airport (AUS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Buffalo Niagara Intl. Airport (BUF) to Austin-Bergstrom Intl. Airport (AUS)?
December is the most affordable month to fly from BUF to AUS. Traveling during an off-peak travel window is often the key to finding a great deal.
What is the cheapest airline that flies from Buffalo Niagara Intl. Airport (BUF) to Austin-Bergstrom Intl. Airport (AUS)?
To find the cheapest airline that'll fly you from BUF to AUS, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Buffalo Niagara Intl. Airport (BUF) to Austin-Bergstrom Intl. Airport (AUS)?
Direct flights from Buffalo Niagara Intl. Airport (BUF) to Austin-Bergstrom Intl. Airport (AUS) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from BUF to AUS?
Usually you'll have the most choice when it comes to flights on a Friday. Tuesdays tend to be the quietest.* However, this can change depending on the airline, time of year 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 Buffalo Niagara Intl. Airport (BUF) to Austin-Bergstrom Intl. Airport (AUS)?
To arrive at Austin-Bergstrom Intl. Airport (AUS) on schedule, select a flight that leaves from Buffalo Niagara Intl. Airport (BUF) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 Buffalo Niagara Intl. Airport (BUF) to Austin-Bergstrom Intl. Airport (AUS) last-minute?
Waiting until just before your trip to book a flight from BUF to AUS generally means paying more. Although you may find some last-minute discounts, they're not always guaranteed. Be flexible with your itinerary to maximize your chances of landing a bargain.
Is it cheaper to book a BUF to AUS flight and hotel package?
Booking a BUF to AUS flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our impressive range of accommodations and then add activities, flights 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 Buffalo Niagara Intl. Airport (BUF) to Austin-Bergstrom Intl. Airport (AUS)?
It's usually possible to cancel or reschedule your BUF to AUS flight. However, for bookings made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Origin airport
Buffalo Niagara Intl.
Destination airport
Austin-Bergstrom Intl.
Airlines serving
American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, United
Roundtrip price
$160
Distance
1364 mi

Book with confidence

Buffalo to Austin Flights

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

 

The best time to book a flight from Buffalo to Austin

Sunday is one of the best days to book for cheap flights from Buffalo 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 Buffalo 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 Buffalo to Austin in 2025. You can also book with separate airlines for your outbound and return journeys, from $90 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 Buffalo 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 Buffalo 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.

 

Buffalo to Austin Flights

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*Available to One Key members.