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Cheap flights from San Antonio to Buffalo from $157

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Antonio to Buffalo departing on 6/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from San Antonio to Buffalo

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:55 am - 8:04 pm
SAT
-
BUF
9h 09m
1 stop
Multiple Airlines Logo
11:36 am - 6:59 pm
BUF
-
SAT
32h 23m
2 stops
$281Multiple Airlines
Thu, May 28 - Sun, May 31
Multiple Airlines Logo
9:55 am - 8:04 pm
SAT
-
BUF
9h 09m
1 stop
Multiple Airlines Logo
11:36 am - 6:59 pm
BUF
-
SAT
32h 23m
2 stops
$310Multiple Airlines
Thu, May 28 - Thu, Jun 4
Delta Logo
4:15 pm - 11:59 pm
SAT
-
BUF
6h 44m
1 stop
Delta Logo
7:39 pm - 12:44 am
BUF
-
SAT
6h 05m
1 stop
$313Delta
Tue, May 26 - Wed, Jun 3
Frontier Logo
4:22 pm - 7:12 pm
SAT
-
BUF
25h 50m
1 stop
Frontier Logo
9:02 pm - 3:41 pm
BUF
-
SAT
19h 39m
1 stop
$345Frontier
Sat, Jun 27 - Sun, Jul 5
United Airlines Logo
1:40 pm - 9:03 pm
SAT
-
BUF
6h 23m
1 stop
United Airlines Logo
6:00 am - 10:59 am
BUF
-
SAT
5h 59m
1 stop
$367United Airlines
Thu, May 28 - Thu, Jun 4
American Airlines Logo
1:44 pm - 10:36 pm
SAT
-
BUF
7h 52m
1 stop
American Airlines Logo
4:46 pm - 9:06 pm
BUF
-
SAT
5h 20m
1 stop
$372American Airlines
Sat, May 30 - Wed, Jun 3
American Airlines Logo
1:40 pm - 11:54 pm
SAT
-
BUF
9h 14m
1 stop
American Airlines Logo
1:45 pm - 9:02 pm
BUF
-
SAT
8h 17m
1 stop
$380American Airlines
Sun, May 24 - Wed, May 27
American Airlines Logo
1:40 pm - 11:54 pm
SAT
-
BUF
9h 14m
1 stop
American Airlines Logo
4:46 pm - 11:59 pm
BUF
-
SAT
8h 13m
1 stop
$381American Airlines
Sun, May 24 - Wed, May 27
American Airlines Logo
1:40 pm - 11:54 pm
SAT
-
BUF
9h 14m
1 stop
American Airlines Logo
2:47 pm - 8:26 pm
BUF
-
SAT
6h 39m
1 stop
$387American Airlines
Sun, May 24 - Wed, May 27
Southwest Logo
3:15 pm - 10:40 pm
SAT
-
BUF
6h 25m
1 stop
Southwest Logo
8:45 am - 4:10 pm
BUF
-
SAT
8h 25m
1 stop
$390Southwest
Tue, Jul 7 - Thu, Jul 9

American Airlines flights from San Antonio to Buffalo

Our best American Airlines deals on San Antonio to Buffalo flight tickets
American Airlines
May 30
SAT1:44 pmSan Antonio
7h 52m
1 stop
BUF10:36 pmBuffalo
Jun 3
BUF4:46 pmBuffalo
5h 20m
1 stop
SAT9:06 pmSan Antonio
$372
American Airlines
May 24
SAT1:40 pmSan Antonio
9h 14m
1 stop
BUF11:54 pmBuffalo
May 27
BUF1:45 pmBuffalo
8h 17m
1 stop
SAT9:02 pmSan Antonio
$380
American Airlines
May 24
SAT1:40 pmSan Antonio
9h 14m
1 stop
BUF11:54 pmBuffalo
May 27
BUF4:46 pmBuffalo
8h 13m
1 stop
SAT11:59 pmSan Antonio
$381

Southwest flights from San Antonio to Buffalo

Our best Southwest deals on San Antonio to Buffalo flight tickets
Southwest
Jul 7
SAT3:15 pmSan Antonio
6h 25m
1 stop
BUF10:40 pmBuffalo
Jul 9
BUF8:45 amBuffalo
8h 25m
1 stop
SAT4:10 pmSan Antonio
$390
Southwest
Jul 7
SAT2:00 pmSan Antonio
7h 40m
2 stops
BUF10:40 pmBuffalo
Jul 9
BUF7:55 pmBuffalo
5h 10m
1 stop
SAT12:05 amSan Antonio
$395
Southwest
Jul 7
SAT2:00 pmSan Antonio
7h 40m
2 stops
BUF10:40 pmBuffalo
Jul 9
BUF7:35 amBuffalo
8h 05m
2 stops
SAT2:40 pmSan Antonio
$400

momondo Fare Finder

 
Customize your flight search to find flights from San Antonio to Buffalo 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 May 5, 2026.
Use the filters below to find and compare flights from San Antonio to Buffalo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Thu 5/28

9:55 am-8:04 pm

1 stop9h 09m

Buffalo

Sun 5/31

11:36 am-6:59 pm

2 stops32h 23m

$281

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Thu 5/28

9:55 am-8:04 pm

1 stop9h 09m

Buffalo

Thu 6/4

11:36 am-6:59 pm

2 stops32h 23m

$310

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Tue 5/26

4:15 pm-11:59 pm

1 stop6h 44m

Buffalo

Wed 6/3

7:39 pm-12:44 am

1 stop6h 05m

$313

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Sat 6/27

4:22 pm-7:12 pm

1 stop25h 50m

Buffalo

Sun 7/5

9:02 pm-3:41 pm

1 stop19h 39m

$345
Quickest round-trip

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Thu 5/28

1:40 pm-9:03 pm

1 stop6h 23m

Buffalo

Thu 6/4

6:00 am-10:59 am

1 stop5h 59m

$367

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Sat 5/30

1:44 pm-10:36 pm

1 stop7h 52m

Buffalo

Wed 6/3

4:46 pm-9:06 pm

1 stop5h 20m

$372

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Sun 5/24

1:40 pm-11:54 pm

1 stop9h 14m

Buffalo

Wed 5/27

1:45 pm-9:02 pm

1 stop8h 17m

$380

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Sun 5/24

1:40 pm-11:54 pm

1 stop9h 14m

Buffalo

Wed 5/27

4:46 pm-11:59 pm

1 stop8h 13m

$381

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Sun 5/24

1:40 pm-11:54 pm

1 stop9h 14m

Buffalo

Wed 5/27

2:47 pm-8:26 pm

1 stop6h 39m

$387

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Tue 7/7

3:15 pm-10:40 pm

1 stop6h 25m

Buffalo

Thu 7/9

8:45 am-4:10 pm

1 stop8h 25m

$390

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 Buffalo from

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

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 San Antonio and Buffalo?

What is the cheapest month to fly to Buffalo?

If you aren’t able to travel during the month of August, then book flights to Buffalo from San Antonio during January instead. Flights to Buffalo in January, while not as cheap as those in August, still average around $342.

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

You are more likely to see cheaper flights to Buffalo from San Antonio when booking weeks ahead of your departure date. In general, you can expect to find flights to Buffalo for around $404 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Buffalo from San Antonio for as low as $192 on momondo.

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

As of May 2026, prices for San Antonio to Buffalo flights are approximately 27% more expensive when compared to flights at the same time last year.

When to book flights from San Antonio to Buffalo

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

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

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

Fastest flight time

4h 50m

Direct flights

None
The fastest flight from San Antonio to Buffalo takes 4h 50m
There are no direct flights from San Antonio to Buffalo. There are no popular flight routes from San Antonio to Buffalo.
Search flight deals

Frequently asked questions about flying from San Antonio to Buffalo

  • How far is San Antonio to Buffalo by plane?

    San Antonio and Buffalo are 1428.7 mi apart from one another. A reasonable flight in good conditions will take 4h 50m.

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

    Prices for flights from San Antonio Airport to Buffalo Airport refresh daily.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San Antonio Airport to Buffalo Airport.

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

    The travel and health documents you'll need for your trip to Buffalo Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Buffalo Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from San Antonio to Buffalo

Compare and see reviews for airlines that fly from San Antonio to Buffalo with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $209Free CancellationRating
7.1
11,668 reviews
Search American Airlines flights
DeltaPriceFrom $256Free CancellationRating
7.9
8,459 reviews
Search Delta flights
United AirlinesPriceFrom $335Free CancellationRating
7.4
9,683 reviews
Search United Airlines flights
SouthwestPriceFrom $369Free CancellationRating
7.9
4,305 reviews
Search Southwest flights

Traveling to a place near Buffalo?

Book flights to Buffalo if you plan to visit one of these locations
Batavia
Cheektowaga
Amherst
Tonawanda
Grand Island
Williamsville
Orchard Park
Lockport
West Seneca
Bowmansville
East Aurora
Eden
Angola

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from San Antonio to Buffalo. momondo saves you time and could save you money on your trip.

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

Yes. momondo enables you to select and highlight flights to Buffalo from San Antonio with this policy.

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

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 San Antonio to Buffalo.

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

Yes. momondo can track prices for San Antonio to Buffalo flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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