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Cheap flights from Buffalo to Austin from C$ 171

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — AUS
29 May — 5 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Buffalo to Austin

Enter your travel dates to find the best prices.

Cheapest flights from Buffalo to Austin
Explore the most affordable flight options available from Buffalo to Austin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 April 2026.

Tue 19/511:36 a.m.
BUF
-
AUS
1 stop26h 32m
Frontier
Sat 23/512:44 p.m.
AUS
-
BUF
1 stop20h 57m
Frontier
Deal found 28/4C$ 373
Tue 1/94:30 p.m.
BUF
-
AUS
1 stop7h 33m
Delta
Tue 8/95:00 p.m.
AUS
-
BUF
1 stop5h 58m
Delta
Deal found 28/4C$ 433
Tue 1/97:00 a.m.
BUF
-
AUS
1 stop5h 52m
United Airlines
Tue 8/95:30 a.m.
AUS
-
BUF
2 stops7h 52m
United Airlines
Deal found 28/4C$ 440
Fri 22/57:52 p.m.
BUF
-
AUS
1 stop15h 58m
Frontier
Fri 29/51:59 p.m.
AUS
-
BUF
2 stops28h 00m
Frontier
Deal found 24/4C$ 452
Sat 23/512:41 p.m.
BUF
-
AUS
2 stops22h 02m
Frontier
Sun 24/55:47 p.m.
AUS
-
BUF
1 stop19h 07m
Frontier
Deal found 27/4C$ 463
Thu 14/58:49 p.m.
BUF
-
AUS
2 stops24h 29m
Frontier
Tue 19/55:47 p.m.
AUS
-
BUF
1 stop19h 07m
Frontier
Deal found 28/4C$ 492
Sat 23/55:25 a.m.
BUF
-
AUS
1 stop7h 00m
American Airlines
Sun 24/56:15 a.m.
AUS
-
BUF
1 stop5h 40m
American Airlines
Deal found 27/4C$ 516
Fri 19/67:27 p.m.
BUF
-
AUS
1 stop5h 58m
Delta
Wed 24/64:25 p.m.
AUS
-
BUF
1 stop6h 38m
Delta
Deal found 28/4C$ 522
Wed 7/106:00 a.m.
BUF
-
AUS
1 stop6h 08m
United Airlines
Wed 4/116:30 a.m.
AUS
-
BUF
1 stop7h 46m
United Airlines
Deal found 24/4C$ 529

Find flight deals from Buffalo to Austin

Discover tips and strategies to find the most affordable flight options for your journey from Buffalo (BUF) to Austin (AUS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 29 April 2026.

Round-trip from

C$ 373

One-way from

C$ 171

Popular in

April

Cheapest in

August

Average price

C$ 619
Frontier
  • Frontier
  • 19/5-23/5
  • 2 total stops
  • 47h 29m total
  • Buffalo to Austin
Search Deals
Frontier
  • Frontier
  • 10/6
  • 1 total stop
  • 26h 53m total
  • Buffalo to Austin
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (C$ 91 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Buffalo to Austin that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 29 April 2026.
Use the filters below to find and compare flights from Buffalo to Austin that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BuffaloAustin

BUF - AUS

BUFAUS

Buffalo

Sat 20/6

6:45 p.m.-11:00 p.m.

1 stop5h 15m

Austin Bergstrom

Wed 1/7

2:15 p.m.-10:40 p.m.

1 stop7h 25m

C$ 522
Quickest round-trip

BuffaloAustin

BUF - AUS

BUFAUS

Buffalo

Fri 19/6

7:27 p.m.-12:25 a.m.

1 stop5h 58m

Austin Bergstrom

Wed 24/6

4:25 p.m.-12:03 a.m.

1 stop6h 38m

C$ 522

BuffaloAustin

BUF - AUS

BUFAUS

Buffalo

Tue 13/10

2:25 p.m.-9:35 p.m.

1 stop8h 10m

Austin Bergstrom

Tue 20/10

8:55 a.m.-2:50 p.m.

1 stop4h 55m

C$ 522

BuffaloAustin

BUF - AUS

BUFAUS

Buffalo

Wed 7/10

6:00 a.m.-11:08 a.m.

1 stop6h 08m

Austin Bergstrom

Wed 4/11

6:30 a.m.-3:16 p.m.

1 stop7h 46m

C$ 529

BuffaloAustin

BUF - AUS

BUFAUS

Buffalo

Fri 18/9

5:25 p.m.-12:40 a.m.

1 stop8h 15m

Austin Bergstrom

Mon 21/9

7:30 a.m.-3:15 p.m.

1 stop6h 45m

C$ 611

BuffaloAustin

BUF - AUS

BUFAUS

Buffalo

Sat 13/6

4:50 p.m.-10:20 p.m.

1 stop6h 30m

Austin Bergstrom

Sat 20/6

6:20 a.m.-2:00 p.m.

2 stops6h 40m

C$ 626

BuffaloAustin

BUF - AUS

BUFAUS

Buffalo

Sat 6/6

6:00 a.m.-5:25 p.m.

2 stops12h 25m

Austin Bergstrom

Mon 8/6

6:20 a.m.-2:15 p.m.

2 stops6h 55m

C$ 639

BuffaloAustin

BUF - AUS

BUFAUS

Buffalo

Wed 3/6

7:00 a.m.-2:41 p.m.

1 stop8h 41m

Austin Bergstrom

Sat 6/6

12:34 p.m.-9:03 p.m.

1 stop7h 29m

C$ 645
Cheapest one-way

BuffaloAustin

BUF - AUS

BUFAUS

Buffalo

Wed 10/6

2:50 p.m.-4:43 p.m.

1 stop26h 53m

C$ 171

BuffaloAustin

BUF - AUS

BUFAUS

Buffalo

Tue 15/9

6:00 a.m.-1:47 p.m.

2 stops8h 47m

C$ 224

Flights are sorted by cheapest round-trip flights first.

Deals found on 25/4

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Best time to book a flight from Buffalo to Austin

Have a flexible travel schedule? Discover the best time to fly to Austin from Buffalo with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Buffalo to Austin

How far ahead should I book a flight from Buffalo to Austin?

The best time to book flights from Buffalo to Austin is 56 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Buffalo to Austin?

Currently, August is the cheapest month in which you can book a flight from Buffalo to Austin (average of C$ 391). Flying from Buffalo to Austin in April is currently the most expensive (average of C$ 619). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Buffalo to Austin?

Reviews of airlines servicing Austin

Get insights into the airlines that provide service to Austin. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Austin. Reviews last updated 29 April 2026.
Check out reviews from past customers who have flown with Southwest,Delta, andAmerican Airlines from Buffalo to Austin to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,315 reviews
Check prices

Entertainment

7.5

Overall

8.0

Comfort

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,315 reviews
Southwest
8.0
Very good
4,315 reviews
Check prices

Entertainment

7.5

Overall

8.0

Comfort

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
7.9
Good
8,467 reviews
Southwest
8.0
Very good
4,315 reviews
Check prices

Entertainment

7.5

Overall

8.0

Comfort

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.1
Good
11,680 reviews
Southwest
8.0
Very good
4,315 reviews
Check prices

Entertainment

7.5

Overall

8.0

Comfort

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.7
Fair
2,970 reviews
Southwest
8.0
Very good
4,315 reviews
Check prices

Entertainment

7.5

Overall

8.0

Comfort

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from Buffalo to Austin. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Buffalo to Austin?

    Departing from Buffalo to Austin will take you 5h 15m. Airlines will cover a distance of 2195 km. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Buffalo to Austin round-trip?

    Cheapflights users have booked flights from Buffalo to Austin round-trip from C$ 145. Other airlines that can offer you cheap pricing are Delta, from C$ 184, and American Airlines, from C$ 257. These flights start at 70% lower than the current average price 3 months from now.

  • Can I find deals for flights from Buffalo to Austin that include hotel bookings?

    Yes. In addition to deals on Buffalo to Austin flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Buffalo to Austin?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Buffalo to Austin.

  • Can I find deals for business class flights from Buffalo to Austin?

    Yes. Cheapflights offers flight deals from Buffalo to Austin by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Buffalo to Austin?

    Currently, August is the cheapest month in which you can book a flight from Buffalo to Austin (average of C$ 391). Flying from Buffalo to Austin in April is currently the most expensive (average of C$ 619). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Austin?

Book flights to Austin if you plan to visit one of these locations
Dripping Springs
Round Rock

Browse thousands of different options on Cheapflights for your next trip

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Top 4 airlines flying from Buffalo to Austin

Discover the top 4 airlines that operate flights from Buffalo to Austin. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 29 April 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapestC$ 145AverageC$ 326FlexibilityNo cancel feeOn-time62%
Search Frontier flights
DeltaCheapestC$ 184AverageC$ 391FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapestC$ 257AverageC$ 399FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
SouthwestCheapestC$ 384AverageC$ 514FlexibilityNo cancel feeOn-time63%
Search Southwest flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Buffalo to Austin?

Cheapflights helps you search for flights from Buffalo to Austin via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Buffalo to Austin?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Buffalo to Austin.

Can Cheapflights find flights from Buffalo to Austin with no change fees?

Yes! Cheapflights helps users easily find flights from Buffalo to Austin with no change fees.

Can Cheapflights notify me if prices for flights from Buffalo to Austin become cheaper?

Of course! You can now track prices for flights from Buffalo to Austin and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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