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Cheap flights from Buffalo to San Antonio from $157

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Buffalo to San Antonio

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
12:49 pm - 7:48 pmBUF  Buffalo-SAT San Antonio
7h 59m1 stop Charlotte Douglas
American Airlines Logo
8:53 am - 6:10 pmSAT  San Antonio-BUF Buffalo
8h 17m1 stop Charlotte Douglas
$313American Airlines
Thu, Jan 28 - Mon, Feb 1
Southwest Logo
3:55 pm - 9:25 pmBUF  Buffalo-SAT San Antonio
6h 30m1 stop Baltimore/Washington
Southwest Logo
7:10 am - 3:15 pmSAT  San Antonio-BUF Buffalo
7h 05m1 stop Nashville Intl
$313Southwest
Tue, Dec 1 - Wed, Dec 2
Delta Logo
6:59 pm - 12:45 amBUF  Buffalo-SAT San Antonio
6h 46m1 stop Atlanta Hartsfield-Jackson
Delta Logo
4:51 pm - 11:59 pmSAT  San Antonio-BUF Buffalo
6h 08m1 stop Atlanta Hartsfield-Jackson
$313Delta
Thu, Jan 14 - Mon, Jan 18
Delta Logo
6:05 am - 1:06 pmBUF  Buffalo-SAT San Antonio
8h 01m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:19 am - 1:20 pmSAT  San Antonio-BUF Buffalo
6h 01m1 stop Atlanta Hartsfield-Jackson
$313Delta
Sat, Jan 30 - Sat, Feb 6
American Airlines Logo
6:00 am - 3:36 pmBUF  Buffalo-SAT San Antonio
10h 36m2 stops Chicago O'Hare Intl Dallas/Fort Worth
American Airlines Logo
2:05 pm - 10:24 pmSAT  San Antonio-BUF Buffalo
7h 19m1 stop Dallas/Fort Worth
$318American Airlines
Sat, Jan 30 - Sat, Feb 6
Southwest Logo
5:00 pm - 11:10 pmBUF  Buffalo-SAT San Antonio
7h 10m1 stop Nashville Intl
Southwest Logo
5:30 am - 4:30 pmSAT  San Antonio-BUF Buffalo
10h 00m1 stop Baltimore/Washington
$318Southwest
Thu, Dec 24 - Fri, Jan 1
United Airlines Logo
11:13 am - 7:18 pmBUF  Buffalo-SAT San Antonio
9h 05m2 stops Newark Houston George Bush Intcntl
United Airlines Logo
5:15 am - 2:17 pmSAT  San Antonio-BUF Buffalo
8h 02m2 stops Houston George Bush Intcntl Washington, D.C. Dulles Intl
$323United Airlines
Thu, Jan 28 - Mon, Feb 1
Frontier Logo
12:54 pm - 11:11 amBUF  Buffalo-SAT San Antonio
23h 17m1 stop Orlando
Frontier Logo
12:06 pm - 8:24 pmSAT  San Antonio-BUF Buffalo
7h 18m1 stop Orlando
$377Frontier
Thu, Nov 19 - Fri, Nov 27
United Airlines Logo
7:00 am - 3:04 pmBUF  Buffalo-SAT San Antonio
9h 04m1 stop Newark
United Airlines Logo
6:35 am - 1:17 pmSAT  San Antonio-BUF Buffalo
5h 42m1 stop Chicago O'Hare Intl
$423United Airlines
Thu, Dec 3 - Sat, Dec 5
JetBlue Logo
5:40 am - 3:15 pmBUF  Buffalo-SAT San Antonio
10h 35m1 stop Orlando
JetBlue Logo
5:35 am - 1:25 pmSAT  San Antonio-BUF Buffalo
6h 50m1 stop Dallas Love Field
$432JetBlue
Fri, Dec 18 - Sat, Jan 2

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Southwest flights from Buffalo to San Antonio

Our best Southwest deals on Buffalo to San Antonio flight tickets
Southwest
Dec 1
BUF3:55 pmBuffalo
6h 30m
1 stop
SAT9:25 pmSan Antonio
Dec 2
SAT7:25 amSan Antonio
7h 35m
2 stops
BUF4:00 pmBuffalo
$361
Southwest
Dec 22
BUF6:30 pmBuffalo
7h 30m
1 stop
SAT1:00 amSan Antonio
Dec 29
SAT5:05 amSan Antonio
7h 50m
1 stop
BUF1:55 pmBuffalo
$372
Southwest
Dec 6
BUF6:00 amBuffalo
6h 15m
1 stop
SAT11:15 amSan Antonio
Dec 8
SAT1:50 pmSan Antonio
6h 00m
1 stop
BUF8:50 pmBuffalo
$373

Frontier flights from Buffalo to San Antonio

Our best Frontier deals on Buffalo to San Antonio flight tickets
Frontier
Nov 19
BUF12:54 pmBuffalo
23h 17m
1 stop
SAT11:11 amSan Antonio
Nov 27
SAT12:06 pmSan Antonio
7h 18m
1 stop
BUF8:24 pmBuffalo
$377
Frontier
Nov 16
BUF1:48 pmBuffalo
32h 46m
2 stops
SAT9:34 pmSan Antonio
Nov 20
SAT12:06 pmSan Antonio
7h 18m
1 stop
BUF8:24 pmBuffalo
$599
Frontier
Nov 15
BUF12:54 pmBuffalo
28h 24m
1 stop
SAT4:18 pmSan Antonio
Nov 20
SAT12:06 pmSan Antonio
7h 18m
1 stop
BUF8:24 pmBuffalo
$690

momondo 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

Cheapest round-trip

BuffaloSan Antonio

BUF Buffalo - SAT San Antonio

BUFSAT

Buffalo

Thu 1/28

12:49 pm-7:48 pm

1 stop7h 59m

San Antonio

Mon 2/1

8:53 am-6:10 pm

1 stop8h 17m

$313

BuffaloSan Antonio

BUF Buffalo - SAT San Antonio

BUFSAT

Buffalo

Tue 12/1

3:55 pm-9:25 pm

1 stop6h 30m

San Antonio

Wed 12/2

7:10 am-3:15 pm

1 stop7h 05m

$313
Quickest round-trip

BuffaloSan Antonio

BUF Buffalo - SAT San Antonio

BUFSAT

Buffalo

Thu 1/14

6:59 pm-12:45 am

1 stop6h 46m

San Antonio

Mon 1/18

4:51 pm-11:59 pm

1 stop6h 08m

$313

BuffaloSan Antonio

BUF Buffalo - SAT San Antonio

BUFSAT

Buffalo

Sat 1/30

6:05 am-1:06 pm

1 stop8h 01m

San Antonio

Sat 2/6

6:19 am-1:20 pm

1 stop6h 01m

$313

BuffaloSan Antonio

BUF Buffalo - SAT San Antonio

BUFSAT

Buffalo

Sat 1/30

6:00 am-3:36 pm

2 stops10h 36m

San Antonio

Sat 2/6

2:05 pm-10:24 pm

1 stop7h 19m

$318

BuffaloSan Antonio

BUF Buffalo - SAT San Antonio

BUFSAT

Buffalo

Thu 12/24

5:00 pm-11:10 pm

1 stop7h 10m

San Antonio

Fri 1/1

5:30 am-4:30 pm

1 stop10h 00m

$318

BuffaloSan Antonio

BUF Buffalo - SAT San Antonio

BUFSAT

Buffalo

Thu 1/28

11:13 am-7:18 pm

2 stops9h 05m

San Antonio

Mon 2/1

5:15 am-2:17 pm

2 stops8h 02m

$323

BuffaloSan Antonio

BUF Buffalo - SAT San Antonio

BUFSAT

Buffalo

Thu 11/19

12:54 pm-11:11 am

1 stop23h 17m

San Antonio

Fri 11/27

12:06 pm-8:24 pm

1 stop7h 18m

$377

BuffaloSan Antonio

BUF Buffalo - SAT San Antonio

BUFSAT

Buffalo

Thu 12/3

7:00 am-3:04 pm

1 stop9h 04m

San Antonio

Sat 12/5

6:35 am-1:17 pm

1 stop5h 42m

$423

BuffaloSan Antonio

BUF Buffalo - SAT San Antonio

BUFSAT

Buffalo

Fri 12/18

5:40 am-3:15 pm

1 stop10h 35m

San Antonio

Sat 1/2

5:35 am-1:25 pm

1 stop6h 50m

$432

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Antonio from

How to get the cheapest flight ticket from Buffalo to San Antonio

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Buffalo and San Antonio?

Prices are currently low for flights on this route.

Typical prices usually range from $338 to $473.
The lowest price recently found on this route was $313.

What is the cheapest month to fly to San Antonio?

If you aren’t able to travel during the month of August, then book flights to San Antonio from Buffalo during November instead. Flights to San Antonio in November, while not as cheap as those in August, still average around $384.

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

You are more likely to see cheaper flights to San Antonio from Buffalo when booking weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around $445 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Antonio from Buffalo for as low as $353 on momondo.

How have Buffalo to San Antonio flight prices changed over time?

As of November 2026, prices for Buffalo to San Antonio flights are approximately 31% more expensive when compared to flights at the same time last year.

When to book flights from Buffalo to San Antonio

Are you open to changing your travel dates? Check out the ideal times to fly from Buffalo to San Antonio according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Buffalo to San Antonio (BUF to SAT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Buffalo to San Antonio

Best Price Found

$157

Fastest flight time

5h 44m

Direct flights

None
The best one-way flight to San Antonio from Buffalo in the past 72 hours is $157. The best round-trip flight deal from Buffalo to San Antonio found on momondo in the last 72 hours is $313.
The fastest flight from Buffalo to San Antonio takes 5h 44m
There are no direct flights from Buffalo to San Antonio. There are no popular flight routes from Buffalo to San Antonio.
Search flight deals

Frequently asked questions about flying from Buffalo to San Antonio

  • How far is Buffalo to San Antonio by plane?

    San Antonio is 1428.7 mi away from Buffalo. A reasonable flight in good conditions will take 5h 44m.

  • When did momondo last update prices for flights from Buffalo Airport to San Antonio Airport?

    Prices for flights from Buffalo Airport to San Antonio Airport are updated daily.

  • How many operators does momondo search for flights from Buffalo Airport to San Antonio Airport?

  • How old do you have to be to fly from Buffalo Airport to San Antonio Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Buffalo Airport to San Antonio Airport.

  • What documentation or ID do you need to fly to San Antonio Airport?

    The required travel and health documents for your San Antonio Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Antonio Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Buffalo to San Antonio?

Best airlines flying from Buffalo to San Antonio

Compare and see reviews for airlines that fly from Buffalo to San Antonio with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $260Free CancellationRating
7.8
8,698 reviews
Search Delta flights
American AirlinesPriceFrom $312Free CancellationRating
7.0
12,231 reviews
Search American Airlines flights
United AirlinesPriceFrom $331Free CancellationRating
7.3
10,461 reviews
Search United Airlines flights
SouthwestPriceFrom $385Free CancellationRating
8.0
4,212 reviews
Search Southwest flights

Traveling to a place near San Antonio?

Book flights to San Antonio if you plan to visit one of these locations
New Braunfels
Kerrville
Pleasanton
Boerne
Schertz

Why use momondo?

Why should I use momondo to find a flight deal from Buffalo to San Antonio?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Buffalo to San Antonio for you.

Can I find flights from Buffalo to San Antonio with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Buffalo to San Antonio flights to just show those with flexible booking policies.

How can momondo help me find flights from Buffalo to San Antonio?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Buffalo to San Antonio.

I’m not ready to book a flight from Buffalo to San Antonio right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to San Antonio from Buffalo. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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