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Cheap flights from Buffalo to San Antonio from $150

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Buffalo to San Antonio departing on 8/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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.
Delta Logo
6:27 am - 10:34 am
BUF
-
SAT
5h 07m
1 stop
Delta Logo
5:15 am - 11:22 am
SAT
-
BUF
5h 07m
1 stop
$261Delta
Thu, Aug 6 - Sat, Aug 8
American Airlines Logo
4:49 pm - 11:59 pm
BUF
-
SAT
8h 10m
2 stops
American Airlines Logo
8:55 am - 6:02 pm
SAT
-
BUF
8h 07m
1 stop
$266American Airlines
Thu, Aug 13 - Tue, Aug 18
Southwest Logo
6:30 am - 5:30 pm
BUF
-
SAT
12h 00m
1 stop
Southwest Logo
9:20 am - 5:45 pm
SAT
-
BUF
7h 25m
2 stops
$272Southwest
Thu, Aug 6 - Wed, Aug 12
American Airlines Logo
4:49 pm - 9:15 pm
BUF
-
SAT
5h 26m
1 stop
American Airlines Logo
8:30 am - 5:08 pm
SAT
-
BUF
7h 38m
1 stop
$313American Airlines
Thu, Aug 13 - Tue, Aug 18
American Airlines Logo
6:50 am - 11:32 am
BUF
-
SAT
5h 42m
1 stop
American Airlines Logo
12:36 pm - 9:55 pm
SAT
-
BUF
8h 19m
2 stops
$317American Airlines
Thu, Aug 6 - Sat, Aug 8
American Airlines Logo
4:49 pm - 11:59 pm
BUF
-
SAT
8h 10m
2 stops
American Airlines Logo
8:55 am - 6:02 pm
SAT
-
BUF
8h 07m
1 stop
$318American Airlines
Thu, Aug 13 - Tue, Aug 18
Southwest Logo
12:45 pm - 9:15 pm
BUF
-
SAT
9h 30m
1 stop
Southwest Logo
6:50 am - 3:10 pm
SAT
-
BUF
7h 20m
2 stops
$324Southwest
Mon, Dec 7 - Thu, Dec 10
American Airlines Logo
4:49 pm - 11:59 pm
BUF
-
SAT
8h 10m
2 stops
American Airlines Logo
9:27 am - 6:02 pm
SAT
-
BUF
7h 35m
2 stops
$342American Airlines
Thu, Aug 13 - Tue, Aug 18
American Airlines Logo
5:11 am - 12:53 pm
BUF
-
SAT
8h 42m
1 stop
American Airlines Logo
7:00 am - 3:59 pm
SAT
-
BUF
7h 59m
1 stop
$344American Airlines
Thu, Aug 13 - Thu, Aug 20
American Airlines Logo
4:49 pm - 11:59 pm
BUF
-
SAT
8h 10m
2 stops
American Airlines Logo
7:00 am - 3:59 pm
SAT
-
BUF
7h 59m
1 stop
$349American Airlines
Thu, Aug 13 - Thu, Aug 20

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Southwest flights from Buffalo to San Antonio

Our best Southwest deals on Buffalo to San Antonio flight tickets
Southwest
Aug 6
BUF6:30 amBuffalo
12h 00m
1 stop
SAT5:30 pmSan Antonio
Aug 12
SAT9:20 amSan Antonio
7h 25m
2 stops
BUF5:45 pmBuffalo
$272
Southwest
Dec 7
BUF12:45 pmBuffalo
9h 30m
1 stop
SAT9:15 pmSan Antonio
Dec 10
SAT6:50 amSan Antonio
7h 20m
2 stops
BUF3:10 pmBuffalo
$324
Southwest
Sep 11
BUF5:40 amBuffalo
7h 45m
1 stop
SAT12:25 pmSan Antonio
Sep 14
SAT2:55 pmSan Antonio
5h 55m
1 stop
BUF9:50 pmBuffalo
$357

United Airlines flights from Buffalo to San Antonio

Our best United Airlines deals on Buffalo to San Antonio flight tickets
United Airlines
Aug 3
BUF6:04 pmBuffalo
5h 53m
1 stop
SAT10:57 pmSan Antonio
Aug 8
SAT5:30 amSan Antonio
10h 11m
2 stops
BUF4:41 pmBuffalo
$379
United Airlines
Aug 18
BUF5:58 pmBuffalo
5h 52m
1 stop
SAT10:50 pmSan Antonio
Aug 19
SAT6:30 amSan Antonio
11h 30m
2 stops
BUF7:00 pmBuffalo
$391
United Airlines
Aug 18
BUF6:55 amBuffalo
9h 48m
2 stops
SAT3:43 pmSan Antonio
Aug 19
SAT6:30 amSan Antonio
11h 30m
2 stops
BUF7:00 pmBuffalo
$396

momondo Fare Finder

 
Customize your flight search to find flights from Buffalo to San Antonio that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated July 15, 2026.
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
Quickest round-trip

BuffaloSan Antonio

BUF - SAT

BUFSAT

Buffalo

Thu 8/6

6:27 am-10:34 am

1 stop5h 07m

San Antonio

Sat 8/8

5:15 am-11:22 am

1 stop5h 07m

$261

BuffaloSan Antonio

BUF - SAT

BUFSAT

Buffalo

Thu 8/13

4:49 pm-11:59 pm

2 stops8h 10m

San Antonio

Tue 8/18

8:55 am-6:02 pm

1 stop8h 07m

$266

BuffaloSan Antonio

BUF - SAT

BUFSAT

Buffalo

Thu 8/6

6:30 am-5:30 pm

1 stop12h 00m

San Antonio

Wed 8/12

9:20 am-5:45 pm

2 stops7h 25m

$272

BuffaloSan Antonio

BUF - SAT

BUFSAT

Buffalo

Thu 8/13

4:49 pm-9:15 pm

1 stop5h 26m

San Antonio

Tue 8/18

8:30 am-5:08 pm

1 stop7h 38m

$313

BuffaloSan Antonio

BUF - SAT

BUFSAT

Buffalo

Thu 8/6

6:50 am-11:32 am

1 stop5h 42m

San Antonio

Sat 8/8

12:36 pm-9:55 pm

2 stops8h 19m

$317

BuffaloSan Antonio

BUF - SAT

BUFSAT

Buffalo

Thu 8/13

4:49 pm-11:59 pm

2 stops8h 10m

San Antonio

Tue 8/18

8:55 am-6:02 pm

1 stop8h 07m

$318

BuffaloSan Antonio

BUF - SAT

BUFSAT

Buffalo

Mon 12/7

12:45 pm-9:15 pm

1 stop9h 30m

San Antonio

Thu 12/10

6:50 am-3:10 pm

2 stops7h 20m

$324

BuffaloSan Antonio

BUF - SAT

BUFSAT

Buffalo

Thu 8/13

4:49 pm-11:59 pm

2 stops8h 10m

San Antonio

Tue 8/18

9:27 am-6:02 pm

2 stops7h 35m

$342

BuffaloSan Antonio

BUF - SAT

BUFSAT

Buffalo

Thu 8/13

5:11 am-12:53 pm

1 stop8h 42m

San Antonio

Thu 8/20

7:00 am-3:59 pm

1 stop7h 59m

$344

BuffaloSan Antonio

BUF - SAT

BUFSAT

Buffalo

Thu 8/13

4:49 pm-11:59 pm

2 stops8h 10m

San Antonio

Thu 8/20

7:00 am-3:59 pm

1 stop7h 59m

$349

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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2

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?

What is the cheapest month to fly to San Antonio?

If you aren’t able to travel during the month of January, then book flights to San Antonio from Buffalo during August instead. Flights to San Antonio in August, while not as cheap as those in January, still average around $360.

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 $431 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 $344 on momondo.

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

As of July 2026, prices for Buffalo to San Antonio flights are approximately 93% 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

Fastest flight time

5h 07m

Direct flights

None
The fastest flight from Buffalo to San Antonio takes 5h 07m
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 07m.

  • 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
American AirlinesPriceFrom $262Free CancellationRating
7.1
11,808 reviews
Search American Airlines flights
DeltaPriceFrom $288Free CancellationRating
7.8
8,465 reviews
Search Delta flights
SouthwestPriceFrom $312Free CancellationRating
8.0
4,246 reviews
Search Southwest flights
United AirlinesPriceFrom $331Free CancellationRating
7.4
9,988 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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