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Cheap flights from San Antonio to Buffalo from $127

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 11/2. 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
3:12 pm - 11:54 amSAT-BUF
19h 42m2 stops
Multiple Airlines Logo
9:53 pm - 10:03 amBUF-SAT
13h 10m1 stop
$246Multiple Airlines
Find Deal
Sat, Nov 8 - Mon, Nov 10
Delta Logo
4:45 pm - 11:37 pmSAT-BUF
5h 52m1 stop
Delta Logo
6:00 am - 12:25 pmBUF-SAT
7h 25m1 stop
$273Delta
Find Deal
Wed, Dec 24 - Thu, Jan 1
American Airlines Logo
1:40 pm - 10:56 pmSAT-BUF
8h 16m2 stops
American Airlines Logo
6:33 pm - 12:28 amBUF-SAT
6h 55m1 stop
$313American Airlines
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Wed, Nov 19 - Mon, Nov 24
United Airlines Logo
7:00 am - 2:22 pmSAT-BUF
6h 22m1 stop
United Airlines Logo
5:40 pm - 10:59 pmBUF-SAT
6h 19m1 stop
$343United Airlines
Find Deal
Thu, Dec 11 - Mon, Dec 15
United Airlines Logo
5:30 am - 2:20 pmSAT-BUF
7h 50m2 stops
United Airlines Logo
12:15 pm - 8:15 pmBUF-SAT
9h 00m2 stops
$360United Airlines
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Sat, Nov 8 - Mon, Nov 10
Southwest Logo
5:25 am - 10:10 pmSAT-BUF
15h 45m2 stops
Southwest Logo
3:40 pm - 11:40 pmBUF-SAT
9h 00m1 stop
$371Southwest
Find Deal
Fri, Nov 14 - Mon, Nov 24
Southwest Logo
8:20 am - 3:50 pmSAT-BUF
6h 30m2 stops
Southwest Logo
6:00 am - 1:35 pmBUF-SAT
8h 35m2 stops
$414Southwest
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Thu, Dec 11 - Mon, Dec 15
American Airlines Logo
9:12 am - 4:38 pmSAT-BUF
6h 26m1 stop
American Airlines Logo
6:29 pm - 11:59 pmBUF-SAT
6h 30m1 stop
$465American Airlines
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Wed, Dec 24 - Fri, Jan 2
Frontier Logo
8:26 pm - 4:29 pmSAT-BUF
19h 03m1 stop
Frontier Logo
2:42 pm - 4:40 pmBUF-SAT
26h 58m1 stop
$473Frontier
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Sun, Oct 26 - Thu, Oct 30
Frontier Logo
8:26 pm - 4:29 pmSAT-BUF
19h 03m1 stop
Frontier Logo
9:38 pm - 5:10 pmBUF-SAT
20h 32m1 stop
$531Frontier
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Sun, Oct 26 - Fri, Oct 31

Delta flights from San Antonio to Buffalo

Our best Delta deals on San Antonio to Buffalo flight tickets
Delta
Dec 24
SAT4:45 pmSan Antonio
5h 52m
1 stop
BUF11:37 pmBuffalo
Jan 1
BUF6:00 amBuffalo
7h 25m
1 stop
SAT12:25 pmSan Antonio
$273
Find similar
Delta
Nov 19
SAT5:25 pmSan Antonio
5h 25m
1 stop
BUF11:50 pmBuffalo
Nov 24
BUF5:47 pmBuffalo
6h 10m
1 stop
SAT10:57 pmSan Antonio
$308
Find similar
Delta
Dec 24
SAT4:45 pmSan Antonio
5h 52m
1 stop
BUF11:37 pmBuffalo
Dec 31
BUF6:10 amBuffalo
5h 58m
1 stop
SAT11:08 amSan Antonio
$346
Find similar

American Airlines flights from San Antonio to Buffalo

Our best American Airlines deals on San Antonio to Buffalo flight tickets
American Airlines
Nov 19
SAT1:40 pmSan Antonio
8h 16m
2 stops
BUF10:56 pmBuffalo
Nov 24
BUF6:33 pmBuffalo
6h 55m
1 stop
SAT12:28 amSan Antonio
$313
Find similar
American Airlines
Dec 24
SAT9:12 amSan Antonio
6h 26m
1 stop
BUF4:38 pmBuffalo
Jan 2
BUF6:29 pmBuffalo
6h 30m
1 stop
SAT11:59 pmSan Antonio
$465
Find similar
American Airlines
Dec 25
SAT6:41 amSan Antonio
5h 16m
1 stop
BUF12:57 pmBuffalo
Jan 3
BUF1:40 pmBuffalo
7h 50m
1 stop
SAT8:30 pmSan Antonio
$522
Find similar

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 October 16, 2025.
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

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Sat 11/8

3:12 pm-11:54 am

2 stops19h 42m

Buffalo

Mon 11/10

9:53 pm-10:03 am

1 stop13h 10m

$246

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Wed 12/24

4:45 pm-11:37 pm

1 stop5h 52m

Buffalo

Thu 1/1

6:00 am-12:25 pm

1 stop7h 25m

$273

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Wed 11/19

1:40 pm-10:56 pm

2 stops8h 16m

Buffalo

Mon 11/24

6:33 pm-12:28 am

1 stop6h 55m

$313

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Thu 12/11

7:00 am-2:22 pm

1 stop6h 22m

Buffalo

Mon 12/15

5:40 pm-10:59 pm

1 stop6h 19m

$343

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Sat 11/8

5:30 am-2:20 pm

2 stops7h 50m

Buffalo

Mon 11/10

12:15 pm-8:15 pm

2 stops9h 00m

$360

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Fri 11/14

5:25 am-10:10 pm

2 stops15h 45m

Buffalo

Mon 11/24

3:40 pm-11:40 pm

1 stop9h 00m

$371

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Thu 12/11

8:20 am-3:50 pm

2 stops6h 30m

Buffalo

Mon 12/15

6:00 am-1:35 pm

2 stops8h 35m

$414

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Wed 12/24

9:12 am-4:38 pm

1 stop6h 26m

Buffalo

Fri 1/2

6:29 pm-11:59 pm

1 stop6h 30m

$465

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Sun 10/26

8:26 pm-4:29 pm

1 stop19h 03m

Buffalo

Thu 10/30

2:42 pm-4:40 pm

1 stop26h 58m

$473

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Sun 10/26

8:26 pm-4:29 pm

1 stop19h 03m

Buffalo

Fri 10/31

9:38 pm-5:10 pm

1 stop20h 32m

$531

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 September instead. Flights to Buffalo in September, while not as cheap as those in August, still average around $346.

What is the cheapest day to depart on your flight to Buffalo?

Our data shows that Wednesday is the least expensive day to fly to Buffalo. Tickets to fly out on this day can be as low as $305. Flights from San Antonio to Buffalo on a Thursday will generally be more expensive and average around $451. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Buffalo?

At noon is the cheapest time of day to fly from San Antonio to Buffalo when you can find flight prices for as low as $345. Flying to Buffalo at noon is an ideal time because this is during off-peak travel hours. In the morning is when there is more demand to fly to Buffalo, so prices are often more expensive at around $421 per ticket.

How far in advance should I book a flight 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 $446 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 October 2025, prices for San Antonio to Buffalo flights are approximately 62% 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

Direct flights

None
There are no direct flights from San Antonio to Buffalo. There are no popular flight routes from San Antonio to Buffalo.
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  • 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 5h 12m.

  • 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
7.2
11,043 reviews
Search American Airlines flights
DeltaPriceFrom $256Free CancellationRating
7.9
7,984 reviews
Search Delta flights
United AirlinesPriceFrom $334Free CancellationRating
7.4
8,982 reviews
Search United Airlines flights
SouthwestPriceFrom $350Free CancellationRating
8.0
4,241 reviews
Search Southwest flights

  • Southwest Flights From San Antonio to Buffalo

    Southwest is one of the most popular airlines flying from San Antonio to Buffalo, operating 3 flights/week on average for this route. A good Southwest flight deal for San Antonio to Buffalo starts from $350 round-trip, up to an average price of $502. Our users have rated Southwest at 8.0/10.

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
East Aurora
Bowmansville
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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