Which airlines fly to Austin?

Southwest, American Airlines and Delta are the top three most popular airlines that fly to Austin from Buffalo according to our data. Southwest is the first choice among our users, with 64% of people opting to fly with this airline when travelling to Austin. Keep in mind that there are 5 different airlines that fly to Austin on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Buffalo to Austin Bergstrom?

Frontier, American Airlines, and Delta are the most popular carriers operating from Buffalo to Austin Bergstrom

When did momondo last update prices for flights from Buffalo Airport to Austin Bergstrom Airport?

Prices for flights from Buffalo Airport to Austin Bergstrom Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Buffalo Airport to Austin Bergstrom Airport?

As of August 2025, there are 5 operators available to choose from for flights from Buffalo Airport to Austin Bergstrom Airport.

How old do you have to be to fly from Buffalo Airport to Austin Bergstrom Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Buffalo Airport to Austin Bergstrom Airport.

What documentation or ID do you need to fly to Austin Bergstrom Airport?

The travel and health documents required for your trip to Austin Bergstrom Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Austin Bergstrom Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

C$ 111 Cheap Flights from Buffalo to Austin in 2025

1 adult

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Find the cheapest flights from Buffalo to Austin

Round-trip

One-way

Last minute

Cheap round-trip flights

4:57 p.m. - 11:32 p.m.BUF-AUS

7h 35m1 stop

5:24 p.m. - 11:22 a.m.AUS-BUF

16h 58m1 stop

C$ 229Frontier

Find Deal

Fri, 5 Sep - Sun, 21 Sep

4:58 p.m. - 11:32 p.m.BUF-AUS

7h 34m1 stop

6:30 a.m. - 4:03 p.m.AUS-BUF

8h 33m1 stop

C$ 235Frontier

Find Deal

Mon, 15 Sep - Mon, 29 Sep

4:25 p.m. - 9:54 p.m.BUF-AUS

6h 29m1 stop

2:30 p.m. - 10:53 p.m.AUS-BUF

7h 23m1 stop

C$ 381American Airlines

Find Deal

Tue, 21 Oct - Tue, 28 Oct

12:48 p.m. - 6:21 p.m.BUF-AUS

6h 33m1 stop

5:00 p.m. - 11:37 p.m.AUS-BUF

5h 37m1 stop

C$ 383Delta

Find Deal

Wed, 17 Sep - Tue, 30 Sep

6:15 a.m. - 10:52 a.m.BUF-AUS

5h 37m1 stop

4:40 p.m. - 10:56 p.m.AUS-BUF

5h 16m1 stop

C$ 390Delta

Find Deal

Tue, 16 Sep - Thu, 2 Oct

6:20 a.m. - 1:20 p.m.BUF-AUS

8h 00m2 stops

5:40 a.m. - 2:20 p.m.AUS-BUF

7h 40m1 stop

C$ 403Southwest

Find Deal

Thu, 30 Oct - Mon, 3 Nov

4:25 p.m. - 11:27 p.m.BUF-AUS

8h 02m1 stop

4:46 p.m. - 11:35 p.m.AUS-BUF

5h 49m1 stop

C$ 439American Airlines

Find Deal

Tue, 21 Oct - Sun, 26 Oct

4:15 p.m. - 12:30 a.m.BUF-AUS

9h 15m1 stop

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

8h 20m1 stop

C$ 446Southwest

Find Deal

Thu, 16 Oct - Tue, 21 Oct

10:38 a.m. - 3:30 p.m.BUF-AUS

5h 52m1 stop

7:15 a.m. - 2:12 p.m.AUS-BUF

5h 57m1 stop

C$ 493United Airlines

Find Deal

Tue, 16 Sep - Tue, 30 Sep

10:55 a.m. - 8:26 p.m.BUF-AUS

10h 31m2 stops

12:17 p.m. - 6:46 p.m.AUS-BUF

5h 29m1 stop

C$ 495United Airlines

Find Deal

Tue, 21 Oct - Tue, 28 Oct

Frontier flights from Buffalo to Austin

Our best Frontier deals on Buffalo to Austin flight tickets

Frontier

5 Sep

BUF4:57 p.m.Buffalo

7h 35m

1 stop

AUS11:32 p.m.Austin Bergstrom

21 Sep

AUS5:24 p.m.Austin Bergstrom

16h 58m

1 stop

BUF11:22 a.m.Buffalo

C$ 229

Find similar

Frontier

15 Sep

BUF4:58 p.m.Buffalo

7h 34m

1 stop

AUS11:32 p.m.Austin Bergstrom

29 Sep

AUS6:30 a.m.Austin Bergstrom

8h 33m

1 stop

BUF4:03 p.m.Buffalo

C$ 235

Find similar

Frontier

7 Sep

BUF7:41 p.m.Buffalo

22h 44m

1 stop

AUS5:25 p.m.Austin Bergstrom

21 Sep

AUS5:24 p.m.Austin Bergstrom

16h 58m

1 stop

BUF11:22 a.m.Buffalo

C$ 269

Find similar

American Airlines flights from Buffalo to Austin

Our best American Airlines deals on Buffalo to Austin flight tickets

American Airlines

21 Oct

BUF4:25 p.m.Buffalo

6h 29m

1 stop

AUS9:54 p.m.Austin Bergstrom

28 Oct

AUS2:30 p.m.Austin Bergstrom

7h 23m

1 stop

BUF10:53 p.m.Buffalo

C$ 381

Find similar

American Airlines

21 Oct

BUF4:25 p.m.Buffalo

8h 02m

1 stop

AUS11:27 p.m.Austin Bergstrom

26 Oct

AUS4:46 p.m.Austin Bergstrom

5h 49m

1 stop

BUF11:35 p.m.Buffalo

C$ 439

Find similar

American Airlines

9 Oct

BUF7:00 a.m.Buffalo

6h 22m

1 stop

AUS12:22 p.m.Austin Bergstrom

13 Oct

AUS4:46 p.m.Austin Bergstrom

5h 49m

1 stop

BUF11:35 p.m.Buffalo

C$ 496

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BuffaloAustin

BUF - AUS

BUFAUS

Buffalo

Fri 5/9

4:57 p.m.-11:32 p.m.

1 stop7h 35m

Austin Bergstrom

Sun 21/9

5:24 p.m.-11:22 a.m.

1 stop16h 58m

C$ 229

BuffaloAustin

BUF - AUS

BUFAUS

Buffalo

Mon 15/9

4:58 p.m.-11:32 p.m.

1 stop7h 34m

Austin Bergstrom

Mon 29/9

6:30 a.m.-4:03 p.m.

1 stop8h 33m

C$ 235

BuffaloAustin

BUF - AUS

BUFAUS

Buffalo

Tue 21/10

4:25 p.m.-9:54 p.m.

1 stop6h 29m

Austin Bergstrom

Tue 28/10

2:30 p.m.-10:53 p.m.

1 stop7h 23m

C$ 381

BuffaloAustin

BUF - AUS

BUFAUS

Buffalo

Wed 17/9

12:48 p.m.-6:21 p.m.

1 stop6h 33m

Austin Bergstrom

Tue 30/9

5:00 p.m.-11:37 p.m.

1 stop5h 37m

C$ 383

BuffaloAustin

BUF - AUS

BUFAUS

Buffalo

Tue 16/9

6:15 a.m.-10:52 a.m.

1 stop5h 37m

Austin Bergstrom

Thu 2/10

4:40 p.m.-10:56 p.m.

1 stop5h 16m

C$ 390

BuffaloAustin

BUF - AUS

BUFAUS

Buffalo

Thu 30/10

6:20 a.m.-1:20 p.m.

2 stops8h 00m

Austin Bergstrom

Mon 3/11

5:40 a.m.-2:20 p.m.

1 stop7h 40m

C$ 403

BuffaloAustin

BUF - AUS

BUFAUS

Buffalo

Tue 21/10

4:25 p.m.-11:27 p.m.

1 stop8h 02m

Austin Bergstrom

Sun 26/10

4:46 p.m.-11:35 p.m.

1 stop5h 49m

C$ 439

BuffaloAustin

BUF - AUS

BUFAUS

Buffalo

Thu 16/10

4:15 p.m.-12:30 a.m.

1 stop9h 15m

Austin Bergstrom

Tue 21/10

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

1 stop8h 20m

C$ 446

BuffaloAustin

BUF - AUS

BUFAUS

Buffalo

Tue 16/9

10:38 a.m.-3:30 p.m.

1 stop5h 52m

Austin Bergstrom

Tue 30/9

7:15 a.m.-2:12 p.m.

1 stop5h 57m

C$ 493

BuffaloAustin

BUF - AUS

BUFAUS

Buffalo

Tue 21/10

10:55 a.m.-8:26 p.m.

2 stops10h 31m

Austin Bergstrom

Tue 28/10

12:17 p.m.-6:46 p.m.

1 stop5h 29m

C$ 495

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Buffalo to Austin

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Austin?

In general, August is the cheapest month to fly from Buffalo to Austin. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 395. If you don’t want to visit Austin in August, then you should wait until September to fly from Buffalo, when ticket prices are also cheap, with an average price of C$ 513.

What is the cheapest day to depart on your flight to Austin?

The cheapest day to depart on your flight to Austin is on a Tuesday when prices can be found for as low as C$ 489. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Austin is Monday, with ticket prices averaging around C$ 812.

What is the cheapest time of day to depart on your flight to Austin?

Our most recent data shows that the best time of day to fly to Austin is at noon. Flights from Buffalo to Austin during this time can be as low as C$ 499. Flights in the morning are often more expensive with an average ticket price of C$ 628.

How far in advance should I book a flight to Austin?

You are more likely to see cheaper flights to Austin from Buffalo when booking weeks ahead of your departure date. In general, you can expect to find flights to Austin for around C$ 553 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Austin from Buffalo for as low as C$ 481 on momondo.

How have Buffalo to Austin flight prices changed over time?

As of August 2025, prices for Buffalo to Austin flights are approximately 17% cheaper when compared to flights at the same time last year.

When to book flights from Buffalo to Austin

Are you open to changing your travel dates? Check out the ideal times to fly from Buffalo to Austin according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Buffalo to Austin (BUF to AUS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Buffalo to Austin

Best price found	C$ 111
Fastest flight time	5h 30m
Direct flights	None
Airports in Austin	1 airport

The best one-way flight to Austin from Buffalo in the past 72 hours is C$ 111. The best round-trip flight deal from Buffalo to Austin found on momondo in the last 72 hours is C$ 229.

The fastest flight from Buffalo to Austin takes 5h 30m

There are no direct flights from Buffalo to Austin. Popular non-direct route for this connection is Buffalo Airport - Austin Bergstrom Airport.

There is 1 airport near Austin: Austin Bergstrom (AUS)

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How far is Buffalo to Austin Bergstrom by plane?
The distance between Buffalo and Austin Bergstrom is about 2181.0 km. In terms of flight time, this usually takes a little over 5h 30m.
When did momondo last update prices for flights from Buffalo Airport to Austin Bergstrom Airport?
Prices for flights from Buffalo Airport to Austin Bergstrom Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Buffalo Airport to Austin Bergstrom Airport?
As of August 2025, there are 5 operators available to choose from for flights from Buffalo Airport to Austin Bergstrom Airport.
How old do you have to be to fly from Buffalo Airport to Austin Bergstrom Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Buffalo Airport to Austin Bergstrom Airport.
What documentation or ID do you need to fly to Austin Bergstrom Airport?
The travel and health documents required for your trip to Austin Bergstrom Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Austin Bergstrom Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Buffalo to Austin?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Buffalo to Austin is Southwest (58% of total bookings). The next most popular airlines are American Airlines (18%), Delta (10%), and Frontier (8%).

Best airlines flying from Buffalo to Austin

Compare and see reviews for airlines that fly from Buffalo to Austin with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom C$ 186	Free Cancellation	Rating 8.0 7,981 reviews	Search Delta flights
Frontier	PriceFrom C$ 238	Free Cancellation	Rating 5.8 3,212 reviews	Search Frontier flights
American Airlines	PriceFrom C$ 376	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Southwest	PriceFrom C$ 462	Free Cancellation	Rating 8.0 4,246 reviews	Search Southwest flights
United Airlines	PriceFrom C$ 506	Free Cancellation	Rating 7.4 8,925 reviews	Search United Airlines flights

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Why use momondo?

Why should I use momondo to find a flight deal from Buffalo to Austin?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Buffalo to Austin for you.

Can I find flights from Buffalo to Austin with flexible booking policies on momondo?

Yes. All flights to Austin from Buffalo on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Buffalo to Austin?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Buffalo to Austin.

I’m not ready to book a flight from Buffalo to Austin right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Austin, momondo offers a useful price alert feature which will track prices for flights to Austin from Buffalo and alert you when they change.