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Cheap flights from Buffalo to San Antonio from $253

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Buffalo to San Antonio departing on 1/8. 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
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
9:08 am - 6:18 pm
BUF
-
SAT
10h 10m1 stop
Frontier Logo
9:09 am - 8:03 pm
SAT
-
BUF
9h 54m1 stop
$253Frontier
Thu, Jan 8 - Thu, Jan 15
Multiple Airlines Logo
7:31 pm - 11:52 pm
BUF
-
SAT
29h 21m1 stop
Multiple Airlines Logo
6:30 am - 11:34 am
SAT
-
BUF
28h 04m1 stop
$255Multiple Airlines
Mon, Jan 26 - Fri, Jan 30
Multiple Airlines Logo
7:31 pm - 11:52 pm
BUF
-
SAT
29h 21m1 stop
Multiple Airlines Logo
10:35 am - 11:34 am
SAT
-
BUF
23h 59m2 stops
$263Multiple Airlines
Mon, Jan 26 - Fri, Jan 30
Multiple Airlines Logo
7:31 pm - 11:52 pm
BUF
-
SAT
29h 21m1 stop
Multiple Airlines Logo
10:35 am - 11:34 am
SAT
-
BUF
23h 59m2 stops
$265Multiple Airlines
Mon, Jan 26 - Fri, Jan 30
Multiple Airlines Logo
7:31 pm - 11:52 pm
BUF
-
SAT
29h 21m1 stop
Multiple Airlines Logo
10:35 am - 12:44 pm
SAT
-
BUF
25h 09m2 stops
$279Multiple Airlines
Mon, Jan 26 - Sat, Jan 31
Frontier Logo
10:47 am - 7:29 pm
BUF
-
SAT
9h 42m1 stop
Frontier Logo
8:53 pm - 10:49 am
SAT
-
BUF
12h 56m1 stop
$286Frontier
Sun, Mar 1 - Fri, Mar 6
Southwest Logo
6:35 pm - 11:40 pm
BUF
-
SAT
6h 05m1 stop
Southwest Logo
6:45 am - 3:10 pm
SAT
-
BUF
7h 25m1 stop
$295Southwest
Sat, Feb 14 - Wed, Feb 18
American Airlines Logo
5:34 pm - 11:41 pm
BUF
-
SAT
7h 07m1 stop
American Airlines Logo
1:24 pm - 10:21 pm
SAT
-
BUF
7h 57m1 stop
$297American Airlines
Sat, Feb 14 - Wed, Feb 18
Southwest Logo
6:35 pm - 11:40 pm
BUF
-
SAT
6h 05m1 stop
Southwest Logo
6:35 am - 3:10 pm
SAT
-
BUF
7h 35m2 stops
$300Southwest
Sat, Feb 14 - Wed, Feb 18
American Airlines Logo
5:34 pm - 11:41 pm
BUF
-
SAT
7h 07m1 stop
American Airlines Logo
6:00 am - 3:23 pm
SAT
-
BUF
8h 23m2 stops
$303American Airlines
Sat, Feb 14 - Wed, Feb 18

American Airlines flights from Buffalo to San Antonio

Our best American Airlines deals on Buffalo to San Antonio flight tickets
American Airlines
Feb 14
BUF5:34 pmBuffalo
7h 07m
1 stop
SAT11:41 pmSan Antonio
Feb 18
SAT1:24 pmSan Antonio
7h 57m
1 stop
BUF10:21 pmBuffalo
$297
Find similar
American Airlines
Feb 14
BUF5:34 pmBuffalo
7h 07m
1 stop
SAT11:41 pmSan Antonio
Feb 18
SAT6:00 amSan Antonio
8h 23m
2 stops
BUF3:23 pmBuffalo
$303
Find similar
American Airlines
Feb 14
BUF5:34 pmBuffalo
7h 07m
1 stop
SAT11:41 pmSan Antonio
Feb 17
SAT1:24 pmSan Antonio
7h 57m
1 stop
BUF10:21 pmBuffalo
$310
Find similar

Delta flights from Buffalo to San Antonio

Our best Delta deals on Buffalo to San Antonio flight tickets
Delta
Feb 24
BUF5:44 pmBuffalo
6h 11m
1 stop
SAT10:55 pmSan Antonio
Mar 4
SAT5:25 amSan Antonio
5h 18m
1 stop
BUF11:43 amBuffalo
$313
Find similar
Delta
Feb 23
BUF5:44 pmBuffalo
6h 11m
1 stop
SAT10:55 pmSan Antonio
Feb 28
SAT5:25 amSan Antonio
5h 18m
1 stop
BUF11:43 amBuffalo
$351
Find similar
Delta
Feb 23
BUF10:32 amBuffalo
12h 56m
2 stops
SAT10:28 pmSan Antonio
Mar 4
SAT5:25 amSan Antonio
5h 18m
1 stop
BUF11:43 amBuffalo
$364
Find similar

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 December 28, 2025.
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

Thu 1/8

9:08 am-6:18 pm

1 stop10h 10m

San Antonio

Thu 1/15

9:09 am-8:03 pm

1 stop9h 54m

$253

BuffaloSan Antonio

BUF - SAT

BUFSAT

Buffalo

Mon 1/26

7:31 pm-11:52 pm

1 stop29h 21m

San Antonio

Fri 1/30

6:30 am-11:34 am

1 stop28h 04m

$255

BuffaloSan Antonio

BUF - SAT

BUFSAT

Buffalo

Mon 1/26

7:31 pm-11:52 pm

1 stop29h 21m

San Antonio

Fri 1/30

10:35 am-11:34 am

2 stops23h 59m

$263

BuffaloSan Antonio

BUF - SAT

BUFSAT

Buffalo

Mon 1/26

7:31 pm-11:52 pm

1 stop29h 21m

San Antonio

Fri 1/30

10:35 am-11:34 am

2 stops23h 59m

$265

BuffaloSan Antonio

BUF - SAT

BUFSAT

Buffalo

Mon 1/26

7:31 pm-11:52 pm

1 stop29h 21m

San Antonio

Sat 1/31

10:35 am-12:44 pm

2 stops25h 09m

$279

BuffaloSan Antonio

BUF - SAT

BUFSAT

Buffalo

Sun 3/1

10:47 am-7:29 pm

1 stop9h 42m

San Antonio

Fri 3/6

8:53 pm-10:49 am

1 stop12h 56m

$286

BuffaloSan Antonio

BUF - SAT

BUFSAT

Buffalo

Sat 2/14

6:35 pm-11:40 pm

1 stop6h 05m

San Antonio

Wed 2/18

6:45 am-3:10 pm

1 stop7h 25m

$295

BuffaloSan Antonio

BUF - SAT

BUFSAT

Buffalo

Sat 2/14

5:34 pm-11:41 pm

1 stop7h 07m

San Antonio

Wed 2/18

1:24 pm-10:21 pm

1 stop7h 57m

$297

BuffaloSan Antonio

BUF - SAT

BUFSAT

Buffalo

Sat 2/14

6:35 pm-11:40 pm

1 stop6h 05m

San Antonio

Wed 2/18

6:35 am-3:10 pm

2 stops7h 35m

$300

BuffaloSan Antonio

BUF - SAT

BUFSAT

Buffalo

Sat 2/14

5:34 pm-11:41 pm

1 stop7h 07m

San Antonio

Wed 2/18

6:00 am-3:23 pm

2 stops8h 23m

$303

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 cheapest month to fly to San Antonio?

If you aren’t able to travel during the month of September, then book flights to San Antonio from Buffalo during April instead. Flights to San Antonio in April, while not as cheap as those in September, still average around $392.

How far in advance should I book a flight 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 $413 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 $347 on momondo.

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

As of December 2025, prices for Buffalo to San Antonio flights are approximately 99% 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 48m

Direct flights

None
The fastest flight from Buffalo to San Antonio takes 5h 48m
There are no direct flights from Buffalo to San Antonio. There are no popular flight routes from Buffalo to San Antonio.
Search flight deals

  • 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 48m.

  • 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
7.2
11,073 reviews
Search American Airlines flights
DeltaPriceFrom $280Free CancellationRating
7.9
8,019 reviews
Search Delta flights
SouthwestPriceFrom $329Free CancellationRating
8.0
4,256 reviews
Search Southwest flights
United AirlinesPriceFrom $335Free CancellationRating
7.4
9,113 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
Boerne
Schertz
Pleasanton

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.

An easier way to manage your San Antonio trip

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