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Cheap flights from Buffalo to San Antonio from $136

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
6:51 pm - 11:59 pmBUF  Buffalo-SAT San Antonio
6h 08m1 stop Charlotte Douglas
American Airlines Logo
1:18 pm - 10:28 pmSAT  San Antonio-BUF Buffalo
8h 10m1 stop Charlotte Douglas
$313American Airlines
Sat, Jan 30 - Sat, Feb 6
American Airlines Logo
6:05 am - 2:41 pmBUF  Buffalo-SAT San Antonio
9h 36m1 stop Chicago O'Hare Intl
American Airlines Logo
4:27 pm - 10:52 pmSAT  San Antonio-BUF Buffalo
5h 25m1 stop Dallas/Fort Worth
$313American Airlines
Sat, Jan 30 - Sat, Feb 6
Delta Logo
6:36 pm - 12:36 amBUF  Buffalo-SAT San Antonio
7h 00m1 stop Atlanta Hartsfield-Jackson
Delta Logo
4:36 pm - 12:05 amSAT  San Antonio-BUF Buffalo
6h 29m1 stop Atlanta Hartsfield-Jackson
$313Delta
Mon, Dec 7 - Thu, Dec 10
Delta Logo
6:36 pm - 12:36 amBUF  Buffalo-SAT San Antonio
7h 00m1 stop Atlanta Hartsfield-Jackson
Delta Logo
5:25 am - 11:24 amSAT  San Antonio-BUF Buffalo
4h 59m1 stop Detroit Metropolitan Wayne County
$313Delta
Mon, Dec 7 - Thu, Dec 10
Southwest Logo
4:25 pm - 11:35 pmBUF  Buffalo-SAT San Antonio
8h 10m2 stops Baltimore/Washington Chicago Midway
Southwest Logo
5:15 am - 12:05 pmSAT  San Antonio-BUF Buffalo
5h 50m1 stop Baltimore/Washington
$318Southwest
Tue, Oct 20 - Tue, Oct 27
United Airlines Logo
10:20 am - 7:30 pmBUF  Buffalo-SAT San Antonio
10h 10m2 stops Chicago O'Hare Intl Houston George Bush Intcntl
United Airlines Logo
6:38 am - 1:15 pmSAT  San Antonio-BUF Buffalo
5h 37m1 stop Chicago O'Hare Intl
$318United Airlines
Sat, Jan 30 - Sat, Feb 6
Southwest Logo
4:25 pm - 11:35 pmBUF  Buffalo-SAT San Antonio
8h 10m2 stops Baltimore/Washington Chicago Midway
Southwest Logo
8:55 am - 6:20 pmSAT  San Antonio-BUF Buffalo
8h 25m2 stops Chicago Midway Baltimore/Washington
$323Southwest
Tue, Oct 20 - Tue, Oct 27
United Airlines Logo
6:00 am - 11:18 amBUF  Buffalo-SAT San Antonio
6h 18m1 stop Washington, D.C. Dulles Intl
United Airlines Logo
11:45 am - 8:36 pmSAT  San Antonio-BUF Buffalo
7h 51m2 stops Houston George Bush Intcntl Chicago O'Hare Intl
$336United Airlines
Thu, Oct 29 - Fri, Oct 30
Multiple Airlines Logo
12:49 pm - 9:10 amBUF  Buffalo-SAT San Antonio
21h 21m1 stop Orlando
Multiple Airlines Logo
9:25 am - 12:55 pmSAT  San Antonio-BUF Buffalo
26h 30m2 stops Raleigh-Durham Atlanta Hartsfield-Jackson
$419Multiple Airlines
Thu, Oct 1 - Sun, Oct 4
Frontier Logo
12:54 pm - 9:18 amBUF  Buffalo-SAT San Antonio
21h 24m1 stop Orlando
Frontier Logo
10:29 pm - 1:03 pmSAT  San Antonio-BUF Buffalo
37h 34m2 stops Las Vegas Harry Reid Intl Atlanta Hartsfield-Jackson
$424Frontier
Sun, Nov 1 - Wed, Nov 4

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Frontier flights from Buffalo to San Antonio

Our best Frontier deals on Buffalo to San Antonio flight tickets
Frontier
Nov 1
BUF12:54 pmBuffalo
21h 24m
1 stop
SAT9:18 amSan Antonio
Nov 4
SAT10:29 pmSan Antonio
37h 34m
2 stops
BUF1:03 pmBuffalo
$424
Frontier
Oct 22
BUF12:53 pmBuffalo
21h 15m
1 stop
SAT9:08 amSan Antonio
Oct 26
SAT10:34 pmSan Antonio
37h 41m
2 stops
BUF1:15 pmBuffalo
$458
Frontier
Sep 17
BUF12:49 pmBuffalo
21h 21m
1 stop
SAT9:10 amSan Antonio
Sep 21
SAT9:50 pmSan Antonio
38h 05m
2 stops
BUF12:55 pmBuffalo
$563

United Airlines flights from Buffalo to San Antonio

Our best United Airlines deals on Buffalo to San Antonio flight tickets
United Airlines
Jan 30
BUF10:20 amBuffalo
10h 10m
2 stops
SAT7:30 pmSan Antonio
Feb 6
SAT6:38 amSan Antonio
5h 37m
1 stop
BUF1:15 pmBuffalo
$318
United Airlines
Oct 29
BUF6:00 amBuffalo
6h 18m
1 stop
SAT11:18 amSan Antonio
Oct 30
SAT11:45 amSan Antonio
7h 51m
2 stops
BUF8:36 pmBuffalo
$336
United Airlines
Jan 30
BUF11:40 amBuffalo
9h 35m
2 stops
SAT8:15 pmSan Antonio
Feb 6
SAT12:10 pmSan Antonio
5h 16m
1 stop
BUF6:26 pmBuffalo
$408

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

Sat 1/30

6:51 pm-11:59 pm

1 stop6h 08m

San Antonio

Sat 2/6

1:18 pm-10:28 pm

1 stop8h 10m

$313

BuffaloSan Antonio

BUF Buffalo - SAT San Antonio

BUFSAT

Buffalo

Sat 1/30

6:05 am-2:41 pm

1 stop9h 36m

San Antonio

Sat 2/6

4:27 pm-10:52 pm

1 stop5h 25m

$313

BuffaloSan Antonio

BUF Buffalo - SAT San Antonio

BUFSAT

Buffalo

Mon 12/7

6:36 pm-12:36 am

1 stop7h 00m

San Antonio

Thu 12/10

4:36 pm-12:05 am

1 stop6h 29m

$313
Quickest round-trip

BuffaloSan Antonio

BUF Buffalo - SAT San Antonio

BUFSAT

Buffalo

Mon 12/7

6:36 pm-12:36 am

1 stop7h 00m

San Antonio

Thu 12/10

5:25 am-11:24 am

1 stop4h 59m

$313

BuffaloSan Antonio

BUF Buffalo - SAT San Antonio

BUFSAT

Buffalo

Tue 10/20

4:25 pm-11:35 pm

2 stops8h 10m

San Antonio

Tue 10/27

5:15 am-12:05 pm

1 stop5h 50m

$318

BuffaloSan Antonio

BUF Buffalo - SAT San Antonio

BUFSAT

Buffalo

Sat 1/30

10:20 am-7:30 pm

2 stops10h 10m

San Antonio

Sat 2/6

6:38 am-1:15 pm

1 stop5h 37m

$318

BuffaloSan Antonio

BUF Buffalo - SAT San Antonio

BUFSAT

Buffalo

Tue 10/20

4:25 pm-11:35 pm

2 stops8h 10m

San Antonio

Tue 10/27

8:55 am-6:20 pm

2 stops8h 25m

$323

BuffaloSan Antonio

BUF Buffalo - SAT San Antonio

BUFSAT

Buffalo

Thu 10/29

6:00 am-11:18 am

1 stop6h 18m

San Antonio

Fri 10/30

11:45 am-8:36 pm

2 stops7h 51m

$336

BuffaloSan Antonio

BUF Buffalo - SAT San Antonio

BUFSAT

Buffalo

Thu 10/1

12:49 pm-9:10 am

1 stop21h 21m

San Antonio

Sun 10/4

9:25 am-12:55 pm

2 stops26h 30m

$419

BuffaloSan Antonio

BUF Buffalo - SAT San Antonio

BUFSAT

Buffalo

Sun 11/1

12:54 pm-9:18 am

1 stop21h 24m

San Antonio

Wed 11/4

10:29 pm-1:03 pm

2 stops37h 34m

$424

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 typical for flights on this route.

Typical prices usually range from $313 to $469.
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 $438 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 $331 on momondo.

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

As of September 2026, prices for Buffalo to San Antonio flights are approximately 15% cheaper 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

$136

Fastest flight time

5h 19m

Direct flights

None
The best one-way flight to San Antonio from Buffalo in the past 72 hours is $136. 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 19m
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 19m.

  • 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
8,560 reviews
Search Delta flights
SouthwestPriceFrom $312Free CancellationRating
8.0
4,203 reviews
Search Southwest flights
American AirlinesPriceFrom $312Free CancellationRating
7.1
12,044 reviews
Search American Airlines flights
United AirlinesPriceFrom $316Free CancellationRating
7.4
10,169 reviews
Search United Airlines 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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