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240 € Cheap Flights from San Antonio International to Buffalo Niagara

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      Travellers and cabin class, 1 Adult, Economy

      Compare San Antonio International to Buffalo Niagara flight deals

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

      Book the best Buffalo Niagara fare with no extra fees

      Flight deals from San Antonio International to Buffalo Niagara

      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 240 €. Find the lowest prices on one-way and return tickets right here.
      Buffalo.240 € per passenger.Departing Sat, 8 Aug, returning Fri, 14 Aug.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Antonio International on Sat, 8 Aug, arriving in Buffalo Niagara.Inbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Fri, 14 Aug, arriving in San Antonio International.Price includes taxes and charges.From 240 €, select.
      Buffalo.273 € per passenger.Departing Tue, 27 Oct, returning Sat, 7 Nov.Return flight with Delta.Outbound indirect flight with Delta, departs from San Antonio International on Tue, 27 Oct, arriving in Buffalo Niagara.Inbound indirect flight with Delta, departs from Buffalo Niagara on Sat, 7 Nov, arriving in San Antonio International.Price includes taxes and charges.From 273 €, select.
      Buffalo.273 € per passenger.Departing Wed, 16 Sep, returning Mon, 21 Sep.Return flight with Delta.Outbound indirect flight with Delta, departs from San Antonio International on Wed, 16 Sep, arriving in Buffalo Niagara.Inbound indirect flight with Delta, departs from Buffalo Niagara on Mon, 21 Sep, arriving in San Antonio International.Price includes taxes and charges.From 273 €, select.
      Buffalo.327 € per passenger.Departing Sun, 27 Sep, returning Sun, 4 Oct.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Antonio International on Sun, 27 Sep, arriving in Buffalo Niagara.Inbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Sun, 4 Oct, arriving in San Antonio International.Price includes taxes and charges.From 327 €, select.
      Buffalo.331 € per passenger.Departing Fri, 13 Nov, returning Wed, 18 Nov.Return flight with Delta.Outbound indirect flight with Delta, departs from San Antonio International on Fri, 13 Nov, arriving in Buffalo Niagara.Inbound indirect flight with Delta, departs from Buffalo Niagara on Wed, 18 Nov, arriving in San Antonio International.Price includes taxes and charges.From 331 €, select.
      Buffalo.351 € per passenger.Departing Sat, 10 Apr, returning Tue, 13 Apr.Return flight with Delta.Outbound indirect flight with Delta, departs from San Antonio International on Sat, 10 Apr, arriving in Buffalo Niagara.Inbound indirect flight with Delta, departs from Buffalo Niagara on Tue, 13 Apr, arriving in San Antonio International.Price includes taxes and charges.From 351 €, select.
      Buffalo.351 € per passenger.Departing Tue, 17 Nov, returning Tue, 1 Dec.Return flight with Delta.Outbound indirect flight with Delta, departs from San Antonio International on Tue, 17 Nov, arriving in Buffalo Niagara.Inbound indirect flight with Delta, departs from Buffalo Niagara on Tue, 1 Dec, arriving in San Antonio International.Price includes taxes and charges.From 351 €, select.
      Buffalo.364 € per passenger.Departing Thu, 30 Jul, returning Mon, 3 Aug.Return flight with Breeze Airways and Frontier Airlines.Outbound indirect flight with Breeze Airways, departs from San Antonio International on Thu, 30 Jul, arriving in Buffalo Niagara.Inbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Mon, 3 Aug, arriving in San Antonio International.Price includes taxes and charges.From 364 €, select.
      Buffalo.391 € per passenger.Departing Fri, 9 Oct, returning Mon, 12 Oct.Return flight with Delta.Outbound indirect flight with Delta, departs from San Antonio International on Fri, 9 Oct, arriving in Buffalo Niagara.Inbound indirect flight with Delta, departs from Buffalo Niagara on Mon, 12 Oct, arriving in San Antonio International.Price includes taxes and charges.From 391 €, select.
      Buffalo.418 € per passenger.Departing Mon, 27 Jul, returning Wed, 29 Jul.Return flight with Frontier Airlines and jetBlue.Outbound indirect flight with Frontier Airlines, departs from San Antonio International on Mon, 27 Jul, arriving in Buffalo Niagara.Inbound indirect flight with jetBlue, departs from Buffalo Niagara on Wed, 29 Jul, arriving in San Antonio International.Price includes taxes and charges.From 418 €, select.
      Buffalo.435 € per passenger.Departing Sun, 20 Dec, returning Sat, 2 Jan.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from San Antonio International on Sun, 20 Dec, arriving in Buffalo Niagara.Inbound indirect flight with Southwest Airlines, departs from Buffalo Niagara on Sat, 2 Jan, arriving in San Antonio International.Price includes taxes and charges.From 435 €, select.
      Buffalo.438 € per passenger.Departing Sat, 12 Dec, returning Sun, 27 Dec.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from San Antonio International on Sat, 12 Dec, arriving in Buffalo Niagara.Inbound indirect flight with Southwest Airlines, departs from Buffalo Niagara on Sun, 27 Dec, arriving in San Antonio International.Price includes taxes and charges.From 438 €, select.

      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 August.
      Jul
      from 418 €
      Aug
      from 240 €
      Sep
      from 273 €
      Oct
      from 391 €
      Nov
      from 331 €
      Dec
      from 438 €
      Jan
      Find prices
      Feb
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      Mar
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      Apr
      from 351 €
      May
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      Jun
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      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.

      Buffalo Niagara

      13km from central Buffalo
      ClosestCheapest
      from 240 €
      Search flights

      Niagara Falls

      24km from central Buffalo
      from 368 €
      Search flights

      San Antonio to Buffalo: Flight information

      The things to know before you go.
      Cheapest flight found240 €
      Cheapest month to flyAugust

      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 240 €. 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 240 €.
      As of July 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 August.
      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 Saturday, 8 August 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 Airport (BUF): what you need to know

      • Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules worth sticking to. Get to the airport on time to board your SAT to BUF flight.

      • Travelling during a peak month such as July? School holidays and other popular seasons can mean longer queues and delays at airport checkpoints. Play it safe and get there up to four hours ahead of international flights and two hours before a domestic departure.

      • We make it a piece of cake to book a flight with a stopover. To see your options for tickets from San Antonio International Airport to Buffalo Niagara Airport, uncheck 'Direct flights only.' Then, pick a flight that has a stop long enough to tour your chosen city. Worthwhile stopovers between SAT and BUF include:

        • Atlanta Hartsfield-Jackson Airport

        • Dallas Fort Worth International Airport

        • Dallas Love Field Airport

      Handy information about San Antonio International Airport (SAT)

      • You'll find SAT at 9800 Airport Boulevard.

      • San Antonio International Airport has an excellent on-time record, so you're unlikely to face delays. Departures from SAT land on schedule 82% of the time.

      • To get to San Antonio International Airport from central San Antonio, it'll take about 20 minutes if you're going by car. This depends on traffic, however. It's approximately 14 kilometres from the airport to the city centre.

      • Planning to take public transport? Expect a trip time of around 50 minutes.

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

      Arriving at Buffalo Niagara Airport (BUF)

      • Consider booking a hotel close to BUF if you have a late San Antonio International Airport to Buffalo Niagara Airport flight. Select one of these accommodation options and skip the long transfer:

      • Get on the fast track to adventure by picking up a Buffalo Niagara Airport rental car. Grab a set of wheels from Dollar, Hertz or Budget and experience the lesser-explored corners of Buffalo and beyond.

      • Lock in the lowest price by booking your vehicle from Buffalo Niagara Airport about two weeks in advance of your trip.

      When to fly to Buffalo Niagara Airport (BUF)

      • It's time to choose your travel dates for your flight from San Antonio International Airport to Buffalo Niagara Airport. August is the busiest month to visit Buffalo. If you like a more laid-back vibe, go in March.

      • When reserving your flight from San Antonio International Airport to Buffalo Niagara Airport, think about the type of weather you enjoy. July is the warmest month in Buffalo, with the temperature ranging from 15ºC (59ºF) to 29ºC (84ºF).

      • For cooler conditions, search for a cheap ticket from SAT to BUF in January. Temperatures average between -10ºC (14ºF) and 2ºC (36ºF) then.

      Explore more of the United States

      • Buffalo is easy to fall in love with, but there are so many other corners of the United States you should also see. Around 467 kilometres south-east of Buffalo, a visit to New York will keep you busy. Don't miss top attractions like Central Park, Statue of Liberty and Metropolitan Museum of Art.

      • Around 451 kilometres south-east of Buffalo, Philadelphia is another favourite stop in the United States. Experience the best of this destination with a visit to Independence Hall, Liberty Bell and Philadelphia Museum of Art.

      Plan the rest of your trip from San Antonio to Buffalo

      Prices shown on this page are estimated lowest prices only. Found in the last 12 days.