How long is the flight from Buffalo to San Antonio?

Airlines like Frontier and Delta fly from Buffalo to San Antonio in about 7h 16m. The time it takes to get you to your destination can typically vary by up to 10h 21m. There are 1431 mi between Buffalo and San Antonio. This flight may include one or multiple stops.

What are the cheapest airlines flying from Buffalo to San Antonio round-trip?

Currently priced at $262, American Airlines will fly you from Buffalo to San Antonio and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and Southwest - these airlines can fly you to your destination from $280 and $331, respectively. American Airlines is 36% cheaper than the average price of flights available within the next 90 days to this destination.

In terms of precipitation, rainfall in San Antonio ranges from 1.6 - 3.7 inches per month. May is typically the wettest month, when rainfall can reach 3.7 in. December is typically the driest time to visit San Antonio when rainfall is around 1.6 in.

If weather is an important factor for your trip to San Antonio, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

What are the most popular airlines that fly from Buffalo to San Antonio?

The most popular airlines flying from Buffalo to San Antonio are Southwest, American Airlines and Delta. Something to consider prior to booking your flight.

Most accurate provider : When it comes to deals on Buffalo-San Antonio flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Buffalo-San Antonio flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Buffalo-San Antonio flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Buffalo-San Antonio flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Buffalo-San Antonio flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Can I find deals for flights from Buffalo to San Antonio that include hotel bookings?

Yes. In addition to deals on Buffalo to San Antonio flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Buffalo to San Antonio?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Buffalo to San Antonio.

Can I find deals for business class flights from Buffalo to San Antonio?

Yes. Cheapflights offers flight deals from Buffalo to San Antonio by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$89+ Flights from Buffalo to San Antonio

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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Buffalo to San Antonio are usually found in September or November, booked 60 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

Cheap flight deals from Buffalo to San Antonio

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$205 (Kiwi.com)
One-way from	$89 (Trip.com)
Popular in	December
Cheapest in	September
Average price	$408

Provider with most accurate pricing for Buffalo-San Antonio flight deals.

Search Deals

Provider most trusted by Cheapflights users for Buffalo-San Antonio flights.

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From Buffalo to San Antonio

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One-way flight from Buffalo to San Antonio

Search Deals

Highest demand for flights based on searches. 1% potential increase in price ($6 potential increase over avg. RT price).

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Cheapest flight prices on average. 0% potential price decrease ($5 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in October 2025

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Find flight deals from Buffalo to San Antonio

Cheapest flights from Buffalo to San Antonio
Explore the most affordable flight options available from Buffalo to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 23, 2025.

Mon 11/179:53 pmBUF - SAT

1 stop13h 10mMultiple Airlines

Mon 11/248:33 pmSAT - BUF

1 stop20h 19mMultiple Airlines

Deal found 10/20

$205

Thu 11/2011:40 amBUF - SAT

1 stop8h 02mMultiple Airlines

Sun 11/238:33 pmSAT - BUF

1 stop18h 47mMultiple Airlines

Deal found 10/21

$206

Sat 12/63:18 pmBUF - SAT

1 stop17h 37mFrontier

Sun 12/75:46 pmSAT - BUF

1 stop15h 59mFrontier

Deal found 10/21

$207

Sat 12/63:18 pmBUF - SAT

1 stop17h 37mMultiple Airlines

Sun 12/71:55 pmSAT - BUF

2 stops19h 50mMultiple Airlines

Deal found 10/21

$254

Sat 12/66:50 pmBUF - SAT

1 stop6h 19mDelta

Tue 12/95:20 amSAT - BUF

1 stop6h 14mDelta

Deal found 10/22

$275

Thu 12/412:35 pmBUF - SAT

1 stop29h 16mFrontier

Sun 12/75:46 pmSAT - BUF

1 stop15h 59mFrontier

Deal found 10/21

$277

Best flights from Buffalo to San Antonio
Discover carefully curated flight deals from Buffalo to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 23, 2025.

Sat 12/63:18 pmBUF - SAT

1 stop17h 37mFrontier

Sun 12/75:46 pmSAT - BUF

1 stop15h 59mFrontier

Deal found 10/21

$207

Mon 11/179:53 pmBUF - SAT

2 stops21h 39mMultiple Airlines

Mon 11/248:33 pmSAT - BUF

1 stop20h 19mMultiple Airlines

Deal found 10/20

$249

Sat 12/612:10 pmBUF - SAT

1 stop7h 16mDelta

Tue 12/94:35 pmSAT - BUF

1 stop5h 23mDelta

Deal found 10/21

$275

Thu 12/412:35 pmBUF - SAT

1 stop29h 16mFrontier

Sun 12/75:46 pmSAT - BUF

1 stop15h 59mFrontier

Deal found 10/21

$277

Thu 12/412:10 pmBUF - SAT

1 stop6h 07mDelta

Tue 12/95:00 pmSAT - BUF

1 stop5h 59mDelta

Deal found 10/21

$294

Sun 11/26:59 pmBUF - SAT

1 stop15h 05mMultiple Airlines

Fri 11/77:37 pmSAT - BUF

2 stops21h 40mMultiple Airlines

Deal found 10/21

$308

Fri 12/55:51 pmBUF - SAT

1 stop6h 06mDelta

Tue 12/95:00 pmSAT - BUF

1 stop5h 59mDelta

Deal found 10/22

$296

Last-minute flights from Buffalo to San Antonio
Discover last-minute flight deals from Buffalo to San Antonio. Data last updated October 23, 2025 and is based on user searches.

Sun 11/26:59 pmBUF - SAT

1 stop15h 05mMultiple Airlines

Fri 11/77:37 pmSAT - BUF

2 stops21h 40mMultiple Airlines

Deal found 10/21

$308

Sun 11/26:59 pmBUF - SAT

1 stop15h 05mMultiple Airlines

Thu 11/610:46 pmSAT - BUF

2 stops42h 31mMultiple Airlines

Deal found 10/21

$338

Sat 11/87:12 pmBUF - SAT

1 stop21h 47mMultiple Airlines

Sat 11/153:12 pmSAT - BUF

2 stops27h 57mMultiple Airlines

Deal found 10/22

$341

Wed 11/122:05 pmBUF - SAT

1 stop9h 10mSouthwest

Wed 11/195:45 amSAT - BUF

1 stop5h 20mSouthwest

Deal found 10/22

$343

Wed 11/1212:57 pmBUF - SAT

1 stop6h 14mAmerican Airlines

Wed 11/196:00 amSAT - BUF

2 stops8h 20mAmerican Airlines

Deal found 10/22

$348

Mon 11/179:53 pmBUF - SAT

1 stop13h 10mMultiple Airlines

Mon 11/248:33 pmSAT - BUF

1 stop20h 19mMultiple Airlines

Deal found 10/20

$205

Thu 11/2011:40 amBUF - SAT

1 stop8h 02mMultiple Airlines

Sun 11/238:33 pmSAT - BUF

1 stop18h 47mMultiple Airlines

Deal found 10/21

$206

One-way flights from Buffalo to San Antonio
Search for one-way flight options from Buffalo to San Antonio. Find affordable one-way fares based on user searches. Data last updated October 23, 2025.

Sat 12/63:18 pmBUF - SAT

1 stop17h 37mFrontier

Deal found 10/22

$89

Sat 12/63:18 pmBUF - SAT

2 stops26h 33mMultiple Airlines

Deal found 10/22

$123

Mon 11/39:53 pmBUF - SAT

3 stops45h 39mMultiple Airlines

Deal found 10/21

$155

Thu 10/302:42 pmBUF - SAT

2 stops23h 37mFrontier

Deal found 10/21

$188

Sat 11/17:12 pmBUF - SAT

2 stops26h 18mFrontier

Deal found 10/20

$192

Thu 10/302:42 pmBUF - SAT

3 stops33h 58mMultiple Airlines

Deal found 10/21

$194

Wed 4/15:55 pmBUF - SAT

1 stop5h 24mDelta

Deal found 10/23

$214

Sat 11/110:53 amBUF - SAT

3 stops33h 39mMultiple Airlines

Deal found 10/20

$227

Fri 12/268:40 pmBUF - SAT

1 stop5h 40mSouthwest

Deal found 10/23

$234

Cheapflights Fare Finder

Use the filters below to find and compare flights from Buffalo to San Antonio that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BuffaloSan Antonio

BUF - SAT

BUFSAT

Buffalo

Sat 12/6

3:18 pm-7:55 am

1 stop17h 37m

San Antonio

Sun 12/7

5:46 pm-10:45 am

1 stop15h 59m

$207

BuffaloSan Antonio

BUF - SAT

BUFSAT

Buffalo

Mon 11/17

9:53 pm-6:32 pm

2 stops21h 39m

San Antonio

Mon 11/24

8:33 pm-5:52 pm

1 stop20h 19m

$249

BuffaloSan Antonio

BUF - SAT

BUFSAT

Buffalo

Sat 12/6

12:10 pm-6:26 pm

1 stop7h 16m

San Antonio

Tue 12/9

4:35 pm-10:58 pm

1 stop5h 23m

$275

BuffaloSan Antonio

BUF - SAT

BUFSAT

Buffalo

Thu 12/4

12:35 pm-4:51 pm

1 stop29h 16m

San Antonio

Sun 12/7

5:46 pm-10:45 am

1 stop15h 59m

$277

BuffaloSan Antonio

BUF - SAT

BUFSAT

Buffalo

Thu 12/4

12:10 pm-5:17 pm

1 stop6h 07m

San Antonio

Tue 12/9

5:00 pm-11:59 pm

1 stop5h 59m

$294

BuffaloSan Antonio

BUF - SAT

BUFSAT

Buffalo

Fri 12/5

5:51 pm-10:57 pm

1 stop6h 06m

San Antonio

Tue 12/9

5:00 pm-11:59 pm

1 stop5h 59m

$296

BuffaloSan Antonio

BUF - SAT

BUFSAT

Buffalo

Sun 11/2

6:59 pm-9:04 am

1 stop15h 05m

San Antonio

Fri 11/7

7:37 pm-6:17 pm

2 stops21h 40m

$308

BuffaloSan Antonio

BUF - SAT

BUFSAT

Buffalo

Sat 12/6

3:18 pm-7:55 am

1 stop17h 37m

$89

BuffaloSan Antonio

BUF - SAT

BUFSAT

Buffalo

Sat 12/6

3:18 pm-4:51 pm

2 stops26h 33m

$123

BuffaloSan Antonio

BUF - SAT

BUFSAT

Buffalo

Thu 10/30

2:42 pm-1:19 pm

2 stops23h 37m

$188

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/22

Showing 1-10 of 16 results

Compare providers for flights from Buffalo to San Antonio

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Buffalo to San Antonio in October.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Priceline	Price Accuracy1 star	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Buffalo-San Antonio flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Buffalo-San Antonio flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Buffalo-San Antonio flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Buffalo-San Antonio flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Buffalo-San Antonio flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Buffalo to San Antonio

Have a flexible travel schedule? Discover the best time to fly to San Antonio from Buffalo with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Buffalo to San Antonio

How far ahead should I book a flight from Buffalo to San Antonio?

To ensure you get the cheapest price possible for a flight from Buffalo to San Antonio, you should look to book at least 60 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Buffalo to San Antonio?

Currently, January is the cheapest month in which you can book a flight from Buffalo to San Antonio (average of $148). Flying from Buffalo to San Antonio in February is currently the most expensive (average of $253). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BUF to SAT?

It’s typically best to fly out from Buffalo to San Antonio in the evening. Doing so could potentially save you 17% on the flight price compared to flying at noon, which is usually more expensive.

Reviews of airlines servicing San Antonio

Peruse reviews from past customers who have flown with Southwest, Delta, and United Airlines from Buffalo to San Antonio to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Southwest

8.0

Very good

4,236 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Southwest

8.0

Very good

4,236 reviews

Southwest

8.0

Very good

4,236 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Delta

7.9

Good

7,982 reviews

Southwest

8.0

Very good

4,236 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

United Airlines

7.4

Good

8,995 reviews

Southwest

8.0

Very good

4,236 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

American Airlines

7.2

Good

11,032 reviews

Southwest

8.0

Very good

4,236 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

How long is the flight from Buffalo to San Antonio?
Airlines like Frontier and Delta fly from Buffalo to San Antonio in about 7h 16m. The time it takes to get you to your destination can typically vary by up to 10h 21m. There are 1431 mi between Buffalo and San Antonio. This flight may include one or multiple stops.
What are the cheapest airlines flying from Buffalo to San Antonio round-trip?
Currently priced at $262, American Airlines will fly you from Buffalo to San Antonio and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and Southwest - these airlines can fly you to your destination from $280 and $331, respectively. American Airlines is 36% cheaper than the average price of flights available within the next 90 days to this destination.
Can I find deals for flights from Buffalo to San Antonio that include hotel bookings?
Yes. In addition to deals on Buffalo to San Antonio flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Buffalo to San Antonio?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Buffalo to San Antonio.
Can I find deals for business class flights from Buffalo to San Antonio?
Yes. Cheapflights offers flight deals from Buffalo to San Antonio by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Buffalo to San Antonio?
Currently, January is the cheapest month in which you can book a flight from Buffalo to San Antonio (average of $148). Flying from Buffalo to San Antonio in February is currently the most expensive (average of $253). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Kerrville

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Top 4 airlines flying from Buffalo to San Antonio

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$262	Average$415	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$280	Average$391	FlexibilityNo cancel fee	On-timeN/A
Southwest	Cheapest$331	Average$449	FlexibilityNo cancel fee	On-time63%
United Airlines	Cheapest$335	Average$454	FlexibilityNo cancel fee	On-time69%

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$89+ Cheap flights from Buffalo to San Antonio (BUF - SAT)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/6. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Buffalo to San Antonio with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Buffalo to San Antonio are usually found in September or November, booked 60 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

Cheap flight deals from Buffalo to San Antonio

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Buffalo to San Antonio

Cheapest flights from Buffalo to San AntonioExplore the most affordable flight options available from Buffalo to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 23, 2025.

Explore the most affordable flight options available from Buffalo to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 23, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Buffalo to San Antonio that are best for you.

Compare providers for flights from Buffalo to San Antonio

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Buffalo to San Antonio in October.

Best time to book a flight from Buffalo to San Antonio

Have a flexible travel schedule? Discover the best time to fly to San Antonio from Buffalo with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Buffalo to San Antonio

How far ahead should I book a flight from Buffalo to San Antonio?

What is the cheapest month to book a flight from Buffalo to San Antonio?

What is the cheapest time of day to fly from BUF to SAT?

Reviews of airlines servicing San Antonio

Peruse reviews from past customers who have flown with Southwest, Delta, and United Airlines from Buffalo to San Antonio to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Buffalo to San Antonio. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from Buffalo to San Antonio?

What are the cheapest airlines flying from Buffalo to San Antonio round-trip?

Can I find deals for flights from Buffalo to San Antonio that include hotel bookings?

How can I find direct flights from Buffalo to San Antonio?

Can I find deals for business class flights from Buffalo to San Antonio?

What is the cheapest month to book a flight from Buffalo to San Antonio?

Traveling to a place near San Antonio?

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Alternative routes for Buffalo to San Antonio

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Top 4 airlines flying from Buffalo to San Antonio

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Cheapest flights from Buffalo to San Antonio
Explore the most affordable flight options available from Buffalo to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 23, 2025.