Cheap Flights from San Antonio International to Buffalo Niagara

Compare San Antonio International to Buffalo Niagara flight deals

Find the cheapest month or even day of the year to fly to Buffalo Niagara

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Flight deals from San Antonio International Airport to Buffalo Niagara Airport

Looking for a cheap last-minute deal or the best return flight from San Antonio International Airport to Buffalo Niagara Airport? If you want to travel next month, return fares start from R 5,943. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from San Antonio International to Buffalo Niagara

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like San Antonio International to Buffalo Niagara flights are currently cheapest in May.

San Antonio International to Buffalo Niagara: Alternative routes

Compare routes from San Antonio International to Buffalo below. You may find an airport to fly into that's cheaper, faster, or easier than Buffalo Niagara.

San Antonio to Buffalo: Flight information

The things to know before you go.
Cheapest flight foundR 2,644
Cheapest month to flyMay

Finding cheap flights from San Antonio International to Buffalo Niagara: Frequently asked questions

The best price we found for a return flight from San Antonio International to Buffalo Niagara is R 5,943. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from San Antonio International to Buffalo Niagara. But we found flights with one or more stops from R 5,943.
As of March 2026, there are no flights flying from San Antonio International to Buffalo Niagara.
The cheapest month to fly from San Antonio International to Buffalo Niagara is usually April.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from San Antonio International Airport to Buffalo Niagara Airport on Monday, 13 April 2026.
No airlines currently offer direct flights between San Antonio International Airport and Buffalo Niagara Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Buffalo Niagara but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Buffalo is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Frontier Airlines offers the cheapest flight tickets to Buffalo Niagara.

Travelling from San Antonio International Airport (SAT) to Buffalo Niagara International Airport (BUF): what you need to know

  • Give yourself plenty of time to make your SAT to BUF flight. As a rule of thumb, arrive two hours before international departures and an hour ahead for domestic flights.

  • Be prepared for longer lines in popular months such as July. Arriving up to four hours ahead of an international flight and two hours for a domestic departure is a good idea.

  • If you want to explore another city along the way, just uncheck 'Direct flights only' when searching for your ticket from San Antonio International Airport to Buffalo Niagara International Airport. Here are the top stopovers between SAT and BUF:

    • Dallas Love Field Airport

    • Hartsfield-Jackson Atlanta International Airport

    • Dallas/Fort Worth International Airport

How to find the cheapest flights from San Antonio International Airport (SAT) to Buffalo Niagara International Airport (BUF)

  • Currently, R 2,644 is the lowest price we've seen for a one-way San Antonio International Airport to Buffalo Niagara International Airport flight. The best price for a return plane ticket is R 5,943. Keep in mind that fares could change due to demand at the time of booking.

  • Don't leave everything to the last moment. You're more likely to find cheap tickets from SAT to BUF if you book ahead. Airlines often have some amazing early bird deals.

  • If you're willing to be flexible with your travel dates, try using the 'Whole month' search function. It'll give you the cheapest price in every month when looking for a flight from San Antonio International Airport to Buffalo Niagara International Airport.

  • Finding cheap flights from SAT to BUF is a cinch with Price Alerts. All you need to do is create one of these automatic alerts and we'll let you know as soon as a lower fare pops up.

  • Select your ideal arrival and departure times, number of stops and airlines with the filters. Or sort your results by 'Cheapest' to see the best deals on flights from San Antonio International Airport to Buffalo Niagara International Airport.

Handy information about San Antonio International Airport (SAT)

  • SAT is located at 9800 Airport Boulevard.

  • 83.17% of flights leaving San Antonio International Airport reach their destination on schedule. With its strong on-time performance, delays are unlikely when taking off from SAT.

  • To get to San Antonio International Airport from central San Antonio, it'll take about 20 minutes if you're travelling by car. Of course, this depends on traffic conditions. It's approximately 19 kilometres from the airport to the city centre.

  • You can expect a journey time of roughly 1 hour 30 minutes on public transport.

  • Get your travels off to a relaxed start by staying near SAT. Whether you're boarding an early flight from San Antonio International Airport to Buffalo Niagara International Airport or just don't want to be rushed, these stays are the answer:

Arriving at Buffalo Niagara International Airport (BUF)

  • Consider booking a hotel close to BUF if you're taking a late San Antonio International Airport to Buffalo Niagara International Airport flight. Check in to one of these options and make your arrival easier:

  • Grab a Buffalo Niagara International Airport rental car and discover Buffalo and beyond with your own wheels. Dollar, Hertz and Budget are leading providers to choose from here.

  • Lock in the best possible rate by booking your vehicle from Buffalo Niagara International Airport about two weeks before your travel date.

Getting from Buffalo Niagara International Airport (BUF) to central Buffalo

  • The address for BUF is Genesee Street.

  • From Buffalo Niagara International Airport, Buffalo is approximately 18 kilometres away. It takes around 20 minutes to get to the centre driving.

  • Getting there by public transport will take you roughly 1 hour 15 minutes.

When to fly to Buffalo Niagara International Airport (BUF)

  • The quietest month for a flight from San Antonio International Airport to Buffalo Niagara International Airport is May, while August is the busiest. Choose the best time to visit Buffalo based on whether you prefer a laid-back vibe or a more bustling atmosphere.

  • The warmest month in Buffalo is July, with temperatures ranging between 15ºC (59ºF) and 28ºC (82ºF). Lock in your flights from San Antonio International Airport to Buffalo Niagara International Airport in this month if this is the kind of weather you like.

  • January has average temperatures of between -10ºC (14ºF) and 2ºC (36ºF). Look for cheap tickets from SAT to BUF around that time if you want to travel when it's cooler.

Explore more of United States

  • Buffalo has plenty to offer, but there are so many other parts of United States you'll want to see. Around 467 kilometres south-east of Buffalo, a trip to New York will keep you busy. Don't miss top attractions like Statue of Liberty, Central Park and Empire State Building.

  • Philadelphia is another must-experience destination in United States and is around 451 kilometres south-east of Buffalo. No trip is complete without experiencing Liberty Bell, Independence Hall and Philadelphia Museum of Art.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.