£189 Cheap Flights from San Antonio (SAT) to Buffalo (BUF)

View £189 flight on Tue, 12 Aug 2025Opens in a new window

Popular airlines from San Antonio International Airport (SAT) to Buffalo Niagara Intl. Airport (BUF)

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Cheap Flights from San Antonio (SAT) to Buffalo (BUF)

Prices were available within the past 7 days and start at £189 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Find the cheapest month to fly from San Antonio (SAT) to Buffalo (BUF)

January is typically the cheapest month to fly

From £103 - £564 per traveller.

Graph displaying average flight prices per month

Flight from San Antonio to Buffalo route information
Origin airport
San Antonio Intl.
Destination airport
Buffalo Niagara Intl.
Distance
2290 km

Compare flights from San Antonio to Buffalo easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from San Antonio to Buffalo. Operating between them flights per day, 2 airlines cover the route. And fly direct, getting you to Buffalo Niagara Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from San Antonio Intl. to Buffalo Niagara Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from San Antonio Intl. (SAT) to Buffalo Niagara Intl. (BUF)

The easiest way to view the best deals on flights from San Antonio to Buffalo today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from San Antonio Intl. to Buffalo Niagara Intl. start at just and range up to .  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near San Antonio and Buffalo
  • booking your flight during , the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your San Antonio to Buffalo flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from San Antonio Intl. to Buffalo Niagara Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Frequently asked questions

How much is a flight from San Antonio Intl. Airport (SAT) to BUF?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price listed for a round-trip flight between San Antonio Airport and Buffalo Niagara International Airport was . Fares this good don't last forever, so make sure you book yours ASAP. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from San Antonio Intl. Airport (SAT) to BUF?
The majority of flights can be cancelled online, but every air carrier has a different set of terms and conditions. If you do have to cancel your flight, check out our Customer Service Portal and follow the instructions.
How do I find cheap flights from SAT to Buffalo Niagara International Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for SAT to BUF flights, you'll see a "no change fees" filter for you to select.
How far is the flight from San Antonio Airport to BUF?
You'll be in the air for a while, as the flight distance from San Antonio Airport to Buffalo Niagara Intl. Airport (BUF) is 2,300 kilometres. Create a playlist of your favourite podcasts before leaving home to stay entertained during your journey.
Which airlines fly direct from San Antonio Intl. Airport (SAT) to Buffalo Niagara International Airport?
Flying directly between San Antonio Airport and Buffalo Niagara International Airport isn't possible at this time. However, you'll still be able to book a flight to Buffalo with at least one stop.
Are San Antonio Intl. Airport (SAT) to Buffalo Niagara International Airport flight tickets cheaper when they're purchased at the last minute?
It is possible to nab a great last-minute deal from SAT to BUF, but there's no guarantee. As many airlines release seats up to 12 months in advance, it's worth keeping an eye on fares early and being ready to book when you spot a good bargain. Expedia compares carrier prices and updates flight deals all the time, so you can rest easy knowing you're always getting the latest offers.

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