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$124 Cheap Flights from Austin (AUS) to Buffalo (BUF)

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

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Cheap Flights from Austin to Buffalo (AUS-BUF)

Prices were available within the past 7 days and start at $124 for one-way flights and $259 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
JetBlue Airways
American Airlines
JetBlue Airways
Frontier Airlines
JetBlue Airways
Frontier Airlines
JetBlue Airways
Delta
Southwest Airlines

Alternative airports near Buffalo

Prices were available within the past 7 days. Prices and availability are subject to change.

What you need to know for your flight from Austin-Bergstrom Intl. to Buffalo Niagara Intl.

Austin (AUS) to Buffalo (BUF) at a glance

Travel from Austin (AUS) to Buffalo (BUF) with a range of airlines operating on this domestic short-haul route. Discover weekly flights and compare options from both full-service and low-cost carriers to identify the best itinerary that suits your budget and schedule. As you prepare to explore Buffalo's renowned attractions and neighborhoods, gather all the essential details for flights from Austin-Bergstrom International Airport to Buffalo Niagara International Airport.

  • Fastest flight duration: around 5h 45m non-stop
  • Route distance: roughly 1,400 miles (2,250 km)
  • Flights per week: around 14 flights with multiple daily departures on average
  • Typical fares (one-way): economy tickets often range from $125–$445, depending on seasonality and how far ahead you book

Flights from Austin-Bergstrom International Airport (AUS) to Buffalo Niagara International Airport (BUF)

Based on recent traveler bookings, we've compiled a list of the most popular airlines flying from Austin to Buffalo, favored for their non-stop and one-stop options. Common layover spots include Hartsfield-Jackson Atlanta International Airport (ATL) with approximately a 1-hour and 15-minute layover, O'Hare International Airport (ORD) with around a 1-hour layover, and Detroit Metropolitan Wayne County Airport (DTW) with about a 1-hour and 30-minute layover. These choices offer you the ability to balance price, total travel time, and cabin class to find your ideal itinerary.

  • American Airlines: This full-service airline provides one-stop flights, with one-way fares generally falling between $130 and $445. It represents about 34% of departures on this route, featuring a flight duration of 4 hours and 15 minutes, leading to an overall travel time of approximately 5 hours and 30 minutes (including layover).
  • Delta: Offering one-stop service, Delta is a full-service airline with one-way fares typically ranging from $135 to $445. It accounts for around 27% of departures along this route, with an in-flight duration of 4 hours and 15 minutes and a total journey time of about 5 hours and 30 minutes (including layover).
  • Southwest Airlines: A budget-friendly option, Southwest Airlines features both non-stop and one-stop service, with one-way fares usually between $125 and $520. This carrier makes up about 21% of departures on this route, providing a standard one-stop journey of 4 hours and 15 minutes in the air and a total travel time of roughly 5 hours and 30 minutes.
  • United: As a full-service airline, United offers one-stop flights with one-way fares generally ranging from $145 to $515. It comprises roughly 12% of departures for this route, with an in-flight time of 4 hours and 15 minutes and an overall travel duration of around 5 hours and 30 minutes (including layover).
  • Frontier Airlines: As a low-cost carrier, Frontier Airlines provides one-stop service, with one-way fares typically between $125 and $225. This airline accounts for about 4% of departures on this route, featuring an in-flight time of 4 hours and 15 minutes and a total journey time of approximately 5 hours and 30 minutes (including layover).

Best time to fly from Austin (AUS) to Buffalo (BUF)

The most popular months for travelers flying from Austin to Buffalo are April, July, and August, when peak temperatures in Buffalo reach up to 72°F in July. If you prefer quieter travel, consider November, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 41.4°F. For better deals, May usually offers the lowest average one-way fare around $199. Flight availability peaks in July and September, with approximately 18 flights per week, making it easier to find convenient departure times. January and February have the fewest flights, with approximately 10 flights per week.

  • Cheapest time to fly: May usually offers good deals with average one-way fare around $199, roughly 17% cheaper than the yearly average.
  • Another budget-friendly time to fly: August typically offers an average one-way fare of around $212.
  • Most flight options: July and September have the highest number of flights from Austin to Buffalo, with approximately 18 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January25.5°F (-3.6°C)Slightly Low10$255
February26.1°F (-3.3°C)Slightly Low10$269
March34.3°F (1.3°C)Average11$307
April45.0°F (7.2°C)Slightly High11$256
May57.7°F (14.3°C)Average16$199
June66.0°F (18.9°C)Average15$232
July72.0°F (22.2°C)Slightly High18$230
August70.7°F (21.5°C)Slightly High17$212
September64.6°F (18.1°C)Average18$228
October53.2°F (11.8°C)Average15$225
November41.4°F (5.2°C)Slightly Low13$251
December33.1°F (0.6°C)Average16$232

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative routes from Austin (AUS) to Buffalo (BUF)

  • San Antonio to Buffalo (SAT-BUF): San Antonio International Airport (SAT) is approximately 67 miles from Austin-Bergstrom International Airport (AUS). The price for one-way economy tickets on this route generally falls between $140 and $490, influenced by the time of year and how far in advance you book. Travelers often encounter one-stop flights, with common layover points at Charlotte-Douglas International Airport (CLT) and Detroit Metropolitan Wayne County Airport (DTW). Leading airlines for this route include American Airlines and Delta, with first-class service also available.
  • Austin to Rochester (AUS-ROC): Greater Rochester International Airport (ROC) is located about 56 miles from Buffalo Niagara International Airport (BUF). One-way economy fares for this journey typically range from $120 to $405, varying with the season and booking timing. Passengers can choose from both one-stop and multi-stop flights, with frequent layovers at O'Hare International Airport (ORD) and Charlotte-Douglas International Airport (CLT). The primary carriers on this route are Delta and American Airlines, and first-class service is also offered.

How to find the best prices for flights from Austin (AUS) to Buffalo (BUF)

Getting some of the best deals on flights from Austin to Buffalo is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are usually found when booking at least two months in advance, although most travelers book between two to eight weeks ahead. Evening departures (6 PM to 12 AM) often offer lower prices, while morning flights (5 AM to 12 PM) are more popular. Additionally, flying on Tuesday tends to be cheaper, but Friday is the busiest travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Buffalo Niagara International Airport from Austin-Bergstrom International Airport

Buffalo welcomes travelers from Austin with a range of transport options based on price, convenience, and proximity. Here's how to reach Buffalo efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Buffalo, with private rides that can be arranged in advance.
  • Car rental: Renting a car from Buffalo Niagara International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Buffalo Niagara International Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Buffalo Niagara International Airport, Buffalo-Depew Station, a train station, is located about 2.6 miles away by car, while University Station, a metro station, is situated approximately 6.5 miles away by car, providing convenient options for travelers heading into the city.

Frequently asked questions

How much does a flight from Austin, TX (AUS-Austin-Bergstrom Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) cost?
You can find cheap one-way flights from $124 and cheap return flights from $259 Austin, TX (AUS-Austin-Bergstrom Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) with Expedia. One-way flights generally range between $185 and $1035, and roundtrip flights usually range from $349 to $1169. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Austin, TX (AUS-Austin-Bergstrom Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Austin, TX (AUS-Austin-Bergstrom Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
The cheapest month to fly from AUS to BUF is December when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Austin, TX (AUS-Austin-Bergstrom Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
Enter AUS to BUF and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Austin, TX (AUS-Austin-Bergstrom Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
JetBlue Airways is one of the cheapest airlines offering connecting flights from Austin-Bergstrom Intl. (AUS) to Buffalo Niagara Intl. (BUF), with round-trip tickets starting from around $340 with a layover in Fort Lauderdale - Hollywood Intl. (FLL). Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Austin, TX (AUS-Austin-Bergstrom Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
To find a cheap flight from Austin, TX (AUS-Austin-Bergstrom Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Austin, TX (AUS-Austin-Bergstrom Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Austin, TX (AUS-Austin-Bergstrom Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
The earliest flight from Austin, TX (AUS) to Buffalo, NY (BUF) typically departs at around 5:00 AM, operated by American Airlines. This seasonal service is available in December, making it a great option for early risers looking to reach Buffalo. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Austin, TX (AUS-Austin-Bergstrom Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
The most popular departure times for flights from Austin-Bergstrom Intl. (AUS) to Buffalo Niagara Intl. (BUF) are in the early morning, from 6am to 9am. About 30% of passengers prefer this time window. Many major carriers, including American Airlines, Southwest Airlines, and United Airlines, offer flights during this window. This timing is popular because it allows you to arrive in Buffalo with a full day ahead of you.
How long does it take to fly from Austin, TX (AUS-Austin-Bergstrom Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
A flight from AUS to BUF with a layover takes around 6 hours, with the route covering approximately 1,365 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Austin, TX (AUS-Austin-Bergstrom Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
First class is available on flights from AUS to BUF. First class cabins are available on:

  • American Airlines
  • Delta Air Lines
  • United Airlines

How do I earn miles on a Austin, TX (AUS-Austin-Bergstrom Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) flight with Expedia?
It's easy to earn miles on a Austin, TX (AUS-Austin-Bergstrom Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Buffalo from Austin-Bergstrom Intl. (AUS)?
From Austin-Bergstrom Intl. (AUS), you can fly into Buffalo Niagara Intl. (BUF) to reach Buffalo. Some flights may connect through major hubs like George Bush Intercontinental (IAH), Love Field (DAL), William P. Hobby (HOU) before reaching Buffalo. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Austin, TX (AUS-Austin-Bergstrom Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) at the last minute?
Typically, booking a last minute flight from Austin, TX (AUS-Austin-Bergstrom Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Austin, TX (AUS-Austin-Bergstrom Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) flight and hotel package?
Securing a Austin, TX (AUS-Austin-Bergstrom Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) Buffalo Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities 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 Austin, TX (AUS-Austin-Bergstrom Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
If you booked your Austin, TX (AUS-Austin-Bergstrom Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Austin-Bergstrom Intl.
Destination airport
Buffalo Niagara Intl.
Airlines serving
American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, United
Roundtrip price
$259
Distance
1364 mi

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