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Cheap flights from Buffalo to Austin from C$ 121

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 17/12. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — AUS
11 Oct — 18 Oct1
1 adult
1 adult, Economy

Cheap 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 11 September 2025.

Round-trip from

C$ 223

One-way from

C$ 121

Popular in

November

Cheapest in

August

Average price

C$ 446
Frontier
  • Frontier
  • 26/9-6/10
  • 2 total stops
  • 16h 08m total
  • Buffalo to Austin
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Southwest
  • Southwest
  • 11/11
  • 1 total stop
  • 5h 40m total
  • Buffalo to Austin
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Highest demand for flights based on searches. 5% potential increase in price (C$ 40 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 9 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Buffalo to Austin

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 11 September 2025.

Fri 26/94:57 p.m.BUF - AUS
1 stop7h 35mFrontier
Mon 6/106:30 a.m.AUS - BUF
1 stop8h 33mFrontier
Deal found 8/9C$ 223
Wed 15/106:00 a.m.BUF - AUS
1 stop6h 50mSouthwest
Tue 21/102:45 p.m.AUS - BUF
1 stop5h 45mSouthwest
Deal found 9/9C$ 256
Sat 11/109:45 p.m.BUF - AUS
1 stop13h 44mFrontier
Sat 18/108:56 p.m.AUS - BUF
1 stop13h 23mFrontier
Deal found 11/9C$ 261
Wed 15/106:00 a.m.BUF - AUS
1 stop6h 50mSouthwest
Wed 15/102:45 p.m.AUS - BUF
1 stop5h 45mSouthwest
Deal found 9/9C$ 277
Sun 5/107:41 p.m.BUF - AUS
1 stop22h 44mFrontier
Fri 24/103:01 p.m.AUS - BUF
1 stop25h 56mFrontier
Deal found 9/9C$ 284
Sat 4/107:00 a.m.BUF - AUS
1 stop5h 38mAmerican Airlines
Sat 25/102:13 p.m.AUS - BUF
1 stop7h 13mAmerican Airlines
Deal found 9/9C$ 290
Fri 26/94:57 p.m.BUF - AUS
1 stop7h 35mMultiple Airlines
Sat 11/107:20 a.m.AUS - BUF
2 stops26h 59mMultiple Airlines
Deal found 8/9C$ 295
Wed 8/105:30 a.m.BUF - AUS
2 stops8h 00mSouthwest
Tue 21/105:55 a.m.AUS - BUF
1 stop8h 25mSouthwest
Deal found 8/9C$ 299
Wed 8/105:30 a.m.BUF - AUS
2 stops8h 00mSouthwest
Wed 22/1010:50 a.m.AUS - BUF
1 stop8h 20mSouthwest
Deal found 9/9C$ 306
Sun 5/107:41 p.m.BUF - AUS
1 stop22h 44mFrontier
Sun 19/109:09 p.m.AUS - BUF
2 stops18h 20mFrontier
Deal found 9/9C$ 308

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 11 September 2025.
Use the filters below to find and compare flights from Buffalo to Austin that are best for you.

Fly from

Buffalo

Fly to

Austin

Route

Depart

Return

Price

BuffaloAustin

BUF - AUS

BUFAUS

Buffalo

Wed 15/10

6:00 a.m.-11:50 a.m.

1 stop6h 50m

Austin Bergstrom

Tue 21/10

2:45 p.m.-9:30 p.m.

1 stop5h 45m

C$ 256

BuffaloAustin

BUF - AUS

BUFAUS

Buffalo

Sat 11/10

9:45 p.m.-10:29 a.m.

1 stop13h 44m

Austin Bergstrom

Sat 18/10

8:56 p.m.-11:19 a.m.

1 stop13h 23m

C$ 261

BuffaloAustin

BUF - AUS

BUFAUS

Buffalo

Sat 11/10

9:45 p.m.-10:29 a.m.

1 stop13h 44m

Austin Bergstrom

Sat 18/10

7:20 a.m.-11:19 a.m.

2 stops26h 59m

C$ 324

BuffaloAustin

BUF - AUS

BUFAUS

Buffalo

Wed 8/10

6:00 a.m.-11:50 a.m.

1 stop6h 50m

Austin Bergstrom

Wed 22/10

5:50 a.m.-12:30 p.m.

1 stop5h 40m

C$ 326

BuffaloAustin

BUF - AUS

BUFAUS

Buffalo

Wed 8/10

6:00 a.m.-11:50 a.m.

1 stop6h 50m

Austin Bergstrom

Tue 21/10

7:35 a.m.-4:55 p.m.

1 stop8h 20m

C$ 326

BuffaloAustin

BUF - AUS

BUFAUS

Buffalo

Wed 8/10

6:00 a.m.-11:05 a.m.

1 stop6h 05m

Austin Bergstrom

Sat 25/10

2:30 p.m.-10:52 p.m.

1 stop7h 22m

C$ 356

BuffaloAustin

BUF - AUS

BUFAUS

Buffalo

Tue 7/10

7:30 p.m.-12:22 a.m.

1 stop5h 52m

Austin Bergstrom

Wed 22/10

2:30 p.m.-10:52 p.m.

1 stop7h 22m

C$ 356

BuffaloAustin

BUF - AUS

BUFAUS

Buffalo

Tue 30/9

6:00 a.m.-12:23 p.m.

1 stop7h 23m

Austin Bergstrom

Thu 23/10

5:00 p.m.-11:39 p.m.

1 stop5h 39m

C$ 374

BuffaloAustin

BUF - AUS

BUFAUS

Buffalo

Wed 8/10

6:20 a.m.-11:04 a.m.

1 stop5h 44m

Austin Bergstrom

Fri 24/10

4:00 p.m.-10:52 p.m.

1 stop5h 52m

C$ 388

BuffaloAustin

BUF - AUS

BUFAUS

Buffalo

Wed 17/12

3:40 p.m.-8:50 p.m.

1 stop6h 10m

C$ 121

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 20 results
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?

Use this chart to determine the optimal time to book a round-trip flight from Buffalo to Austin. Price data was last updated on 29 August 2025.

The best time to book flights from Buffalo to Austin is 3 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, September is the cheapest month in which you can book a flight from Buffalo to Austin (average of C$ 424). Flying from Buffalo to Austin in March is currently the most expensive (average of C$ 520). 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.

What is the cheapest time of day to fly from BUF to AUS?

Find hourly flight availability from Buffalo to Austin. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 September 2025.

A simple way to save on the total cost of your ticket is to fly from Buffalo to Austin at noon. If you’re flexible enough to do this you can expect to save up to 21% on your trip compared to booking a flight in the morning.

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 11 September 2025.
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
4,248 reviews
Check prices

Overall

8.0

Comfort

8.0

Boarding

8.1

Crew

8.6

Food

7.0

Entertainment

7.5

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
4,248 reviews
Southwest
8.0
Very good
4,248 reviews
Check prices

Overall

8.0

Comfort

8.0

Boarding

8.1

Crew

8.6

Food

7.0

Entertainment

7.5

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
8.0
Very good
7,960 reviews
Southwest
8.0
Very good
4,248 reviews
Check prices

Overall

8.0

Comfort

8.0

Boarding

8.1

Crew

8.6

Food

7.0

Entertainment

7.5

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
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,248 reviews
Check prices

Overall

8.0

Comfort

8.0

Boarding

8.1

Crew

8.6

Food

7.0

Entertainment

7.5

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
5.8
Fair
3,177 reviews
Southwest
8.0
Very good
4,248 reviews
Check prices

Overall

8.0

Comfort

8.0

Boarding

8.1

Crew

8.6

Food

7.0

Entertainment

7.5

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 6h 50m. 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$ 238. Other airlines that can offer you cheap pricing are American Airlines, from C$ 298, and Delta, from C$ 376. These flights start at 56% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Buffalo to Austin one-way?

    C$ 121 is the cheapest one-way deal found within the past few days, from Southwest. You may also be able to find cheap deals on American Airlines and United Airlines, with prices starting from C$ 146 and C$ 152, respectively.

  • 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, September is the cheapest month in which you can book a flight from Buffalo to Austin (average of C$ 424). Flying from Buffalo to Austin in March is currently the most expensive (average of C$ 520). 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

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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 11 September 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapestC$ 238AverageC$ 331FlexibilityNo cancel feeOn-time62%
Search Frontier flights
American AirlinesCheapestC$ 298AverageC$ 543FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapestC$ 376AverageC$ 474FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
SouthwestCheapestC$ 426AverageC$ 591FlexibilityNo cancel feeOn-time63%
Search Southwest flights

Fly with Cheapflights

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

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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.

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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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