AUS - BUF

C$ 179 Find Cheap Flights from Austin to Buffalo – Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
C$ 383
Typical prices: C$ 477-C$ 742
Delta
Fri 5/10Sun 7/10
AUS - BUF • 1 stop
Cheapest one-way flights
C$ 179
Typical prices: C$ 239-C$ 454
Delta
Sat 3/11
AUS - BUF • 1 stop
Direct flights
There are currently no direct flights between Austin and Buffalo. You'll need to take a connecting flight to reach the destination.
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When to book
in advance
Our data shows that travellers who book at least 18 weeks in advance save around 50% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 19% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg C$ 449 (round-trip)
Shortest trip • 5h 02m (one-way)
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We hope you enjoy your trip to Buffalo!
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Booking Insights
Flight Deals

Cheap Flights from Austin to Buffalo (AUS-BUF)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Austin to Buffalo

Mon, 5 Oct - Wed, 7 Oct
Delta Logo
5:07 p.m. - 11:52 p.m.AUS  Austin Bergstrom-BUF Buffalo
5h 45m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:55 p.m. - 11:24 p.m.BUF  Buffalo-AUS Austin Bergstrom
5h 29m1 stop Atlanta Hartsfield-Jackson
C$ 383Delta
Sat, 17 Oct - Wed, 21 Oct
Southwest Logo
5:40 a.m. - 2:35 p.m.AUS  Austin Bergstrom-BUF Buffalo
7h 55m1 stop Baltimore/Washington
Southwest Logo
8:00 a.m. - 2:45 p.m.BUF  Buffalo-AUS Austin Bergstrom
7h 45m2 stops Baltimore/Washington Cincinnati Cinci./N. Kentucky
C$ 392Southwest
Sat, 17 Oct - Wed, 21 Oct
Southwest Logo
9:00 a.m. - 5:35 p.m.AUS  Austin Bergstrom-BUF Buffalo
7h 35m2 stops Atlanta Hartsfield-Jackson Baltimore/Washington
Southwest Logo
8:00 a.m. - 2:45 p.m.BUF  Buffalo-AUS Austin Bergstrom
7h 45m2 stops Baltimore/Washington Cincinnati Cinci./N. Kentucky
C$ 399Southwest
Wed, 2 Dec - Mon, 7 Dec
Southwest Logo
3:20 p.m. - 10:00 p.m.AUS  Austin Bergstrom-BUF Buffalo
5h 40m1 stop Baltimore/Washington
Southwest Logo
2:40 p.m. - 9:10 p.m.BUF  Buffalo-AUS Austin Bergstrom
7h 30m1 stop Denver Intl
C$ 413Southwest
Wed, 2 Dec - Mon, 7 Dec
Southwest Logo
12:55 p.m. - 8:50 p.m.AUS  Austin Bergstrom-BUF Buffalo
6h 55m1 stop Denver Intl
Southwest Logo
5:55 a.m. - 1:20 p.m.BUF  Buffalo-AUS Austin Bergstrom
8h 25m2 stops Baltimore/Washington Atlanta Hartsfield-Jackson
C$ 420Southwest
Wed, 2 Dec - Mon, 7 Dec
Southwest Logo
12:35 p.m. - 8:55 p.m.AUS  Austin Bergstrom-BUF Buffalo
7h 20m2 stops Dallas Love Field Chicago Midway
Southwest Logo
5:55 a.m. - 1:20 p.m.BUF  Buffalo-AUS Austin Bergstrom
8h 25m2 stops Baltimore/Washington Atlanta Hartsfield-Jackson
C$ 427Southwest
Fri, 8 Jan - Mon, 11 Jan
Southwest Logo
5:50 a.m. - 3:05 p.m.AUS  Austin Bergstrom-BUF Buffalo
8h 15m1 stop Baltimore/Washington
Southwest Logo
8:10 a.m. - 3:25 p.m.BUF  Buffalo-AUS Austin Bergstrom
8h 15m1 stop Baltimore/Washington
C$ 431Southwest
Fri, 8 Jan - Mon, 11 Jan
Southwest Logo
7:35 a.m. - 3:05 p.m.AUS  Austin Bergstrom-BUF Buffalo
6h 30m2 stops Indianapolis Baltimore/Washington
Southwest Logo
8:10 a.m. - 3:55 p.m.BUF  Buffalo-AUS Austin Bergstrom
8h 45m2 stops Baltimore/Washington Houston Hobby
C$ 445Southwest
Thu, 3 Dec - Mon, 7 Dec
Southwest Logo
11:55 a.m. - 6:10 p.m.AUS  Austin Bergstrom-BUF Buffalo
5h 15m1 stop Baltimore/Washington
Southwest Logo
6:55 p.m. - 11:40 p.m.BUF  Buffalo-AUS Austin Bergstrom
5h 45m1 stop Chicago Midway
C$ 466Southwest
Thu, 3 Dec - Mon, 7 Dec
Southwest Logo
12:55 p.m. - 8:55 p.m.AUS  Austin Bergstrom-BUF Buffalo
7h 00m2 stops Indianapolis Chicago Midway
Southwest Logo
5:55 a.m. - 11:05 a.m.BUF  Buffalo-AUS Austin Bergstrom
6h 10m1 stop Baltimore/Washington
C$ 473Southwest
Booking Insights

Price, demand, and travel trends for Austin to Buffalo flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights from Austin to Buffalo with more confidence.

How much is a round-trip flight from Austin to Buffalo?

Round-trip flights from Austin to Buffalo start at C$ 383. Prices are below average for this route right now, with typical round-trip fares ranging from C$ 477 to C$ 742. The lowest price found in the past 5 days was C$ 383 on Delta.

What's the cheapest day of the week to fly from Austin to Buffalo?

Thursday is the cheapest day of the week to fly from Austin to Buffalo and is 8% cheaper than the average day. Sunday is the most expensive day with flight prices 29% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Austin to Buffalo?

  • September is the cheapest month to fly from Austin to Buffalo at C$ 462 round-trip.
  • April (C$ 650) and December (C$ 620) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 40% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Austin to Buffalo the cheapest?

Flights from Austin to Buffalo are cheapest 18 weeks before departure. Booking in this window typically costs about 50% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Key details for Austin to Buffalo flights

Low season

February

Cheapest flight

C$ 179
Best time to beat the crowds (3% less expensive on average)
Most popular time to fly (7% more expensive on average)
Flights from Austin to Buffalo

When to book flights from Austin to Buffalo

Are your dates flexible? Find out the best times to travel from Austin to Buffalo based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Austin to Buffalo flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • How can I fly from Austin (AUS) to Buffalo (BUF)?

    There aren’t any airlines with a direct connection from Austin to Buffalo. All trips will have at least one layover on the way, and the location is primarily dependent on the airline you’re flying with. For instance, when flying with Delta, the most likely layovers will be in Atlanta, Detroit, or New York - while American Airlines has Charlotte and Chicago as the most probable layovers.

  • Is it possible for my child to fly unaccompanied from Austin to Buffalo?

    It depends on how old the minor is. Kids below the age of seven cannot travel unaccompanied on this route because there aren’t any direct connections, and both American Airlines and Delta require the child to be at least 8 years old to travel alone on a connecting flight. If they pass the minimum age requirement, then you will have to pay for the unaccompanied minors' fee for them to travel alone. However, if they are well into their teenage years (15–17 years) the fee is only optional.

  • Which airlines have a lounge at Austin-Bergstrom International Airport (AUS)?

    American Airlines, Delta, and United Airlines all have one lounge each at AUS Airport. Both the United Club and American Airlines Admirals Club are located on the mezzanine level of the Barbara Jordan Terminal adjacent to Gate 22 while the Delta Sky Club is located near Gate 4. To access these lounges, you will have to book a first-class ticket with the respective airlines or buy a day pass at the door.

  • Is public transport available from Buffalo Niagara International Airport (BUF)?

    Yes, there is a bus that runs from BUF Airport to the city center, with multiple stops along the way. The NFTA-Metro Bus service 24 can be accessed from the stop outside the entrance of the arrivals area and takes about 45 minutes to get to the city center. You can also stop at Washington St & Broadway or one of the stops on Genesee St. depending on which part of Buffalo you’re going to. It is worth mentioning that the bus is not available at night from midnight to 4:30 pm.

  • Which airports can I use when flying from Austin to Buffalo?

    Flights from Austin to Buffalo usually depart from Austin Bergstrom (AUS) and arrive at Buffalo (BUF).

  • Which cabin classes can I book on flights from Austin to Buffalo?

    Only Economy Class is available on flights from Austin to Buffalo.

  • Which airports do connecting flights from Austin to Buffalo pass through?

    One-stop flights from Austin to Buffalo most commonly connect through:

    • Chicago O'Hare Intl (ORD) – 19% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) – 16% of one-stop connections
    • Baltimore/Washington (BWI) – 13% of one-stop connections
    • Detroit Metropolitan Wayne County (DTW) – 10% of one-stop connections

    Chicago O'Hare Intl (ORD) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Austin to Buffalo?

    Yes. Being flexible with your travel dates can save you up to 29% on the Austin to Buffalo route. Thursday is the cheapest departure day at C$ 527 round-trip on average, while Sunday is the most expensive at C$ 737, a difference of C$ 210. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How expensive are last-minute Austin to Buffalo flights?

    Last-minute fares on this route – booked within 2 weeks of departure – run 71% above the route average of C$ 569. Book 18 weeks before departure for the lowest fares.

  • How long does a flight from Austin to Buffalo take?

    A direct flight from Austin to Buffalo takes 0h 00m, covering 3,534 km.

  • Do I need a passport to fly from Austin to Buffalo?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • Have flight prices from Austin to Buffalo changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about C$ 383 to C$ 3,307. That means the highest observed fare was about 9x higher than the lowest one.

  • How are flight prices from Austin to Buffalo looking right now?

    One-way fares from Austin to Buffalo are currently lower than usual. Average one-way flight prices are about C$ 285, which is 9% below the typical average for this route.

  • How much time can I save by choosing a different layover airport when travelling from Austin to Buffalo?

    Flying via Nashville Intl (BNA) gives the shortest average 1-stop total travel time at 5h 02m, compared with 5h 21m via Chicago Midway (MDW) and 5h 33m via Detroit Metropolitan Wayne County (DTW).

  • What is the time difference between Austin and Buffalo?

    Buffalo is 1 hour ahead of Austin (Eastern Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Buffalo Airport (BUF)?

    Buffalo Airport (BUF) hosts 5 major car rental companies, with daily rates starting from around C$ 27 for economy cars. Top options include:
    • Dollar
    • Budget
    • Hertz
    • Alamo
    • Thrifty

  • How much should I expect to pay for a Austin to Buffalo flight?

    Round-trip flights from Austin to Buffalo range from C$ 477 to C$ 742, with an average of C$ 569 over the past 12 months. Anything below C$ 477 counts as a good deal.

Your guide to booking Austin to Buffalo flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Thursday departure instead of Sunday. On this route, Thursday flights average C$ 527 – about C$ 210 less than Sunday (28% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 18 weeks before you fly. On this route, that window historically saves about 50% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Austin to Buffalo trip for September. Fares historically average C$ 462 round-trip in that month – typically C$ 188 less than the most expensive month, which is April (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Buffalo Airport.
    - Aloft Buffalo Airport
    - Comfort Inn and Suites Buffalo Airport
    - TownePlace Suites by Marriott Buffalo Airport
  • You can get priority check-in and boarding, as well as ticket refunds and changes, if you book an economy-class ticket with American Airlines. However, these options are only available on the Main Select tickets.
  • Delta Airlines offers free Wi-Fi to all passengers, even those seating in the Economy Class Cabin. This makes them a better option than American Airlines - who charge for the Wi-Fi, and United - which doesn’t have the service altogether.
  • American Airlines Economy class seats come with power outlets and a snack to enjoy during the flight from Austin to Buffalo. They are the only airline serving this route offering these amenities to economy class passengers.
  • For extra legroom, a reclining seat, and more cabin space to make your trip more comfortable, consider upgrading to First Class. You will get all that, plus more baggage allowance and a selection of drinks to enjoy during your flight.
  • American Airlines has a partnership with Cool Effect, a carbon offsetting program that allows travelers to calculate the carbon emissions they are responsible for during the flight and offset them. This makes them a good choice if you’re looking to make your trip more eco-friendly.

More options for your flight from Austin to Buffalo

Complete your trip to Buffalo with a hotel stay or car rental