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Cheap flights from San Antonio to Buffalo from $160

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 12/29. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
7:14 pm - 8:13 amSAT-BUF
11h 59m1 stop
Frontier Logo
9:08 am - 7:21 pmBUF-SAT
11h 13m1 stop
$252Frontier
Find Deal
Thu, Jan 8 - Mon, Jan 12
Multiple Airlines Logo
7:14 pm - 8:13 amSAT-BUF
11h 59m1 stop
Multiple Airlines Logo
1:15 pm - 11:52 pmBUF-SAT
35h 37m2 stops
$253Multiple Airlines
Find Deal
Thu, Jan 8 - Mon, Jan 12
Delta Logo
3:00 pm - 11:59 pmSAT-BUF
7h 59m1 stop
Delta Logo
12:10 pm - 6:26 pmBUF-SAT
7h 16m1 stop
$357Delta
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Wed, Dec 10 - Tue, Dec 16
United Airlines Logo
7:00 am - 1:12 pmSAT-BUF
5h 12m1 stop
United Airlines Logo
1:50 pm - 10:59 pmBUF-SAT
10h 09m2 stops
$362United Airlines
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Wed, Dec 10 - Tue, Dec 16
United Airlines Logo
5:20 am - 2:22 pmSAT-BUF
8h 02m2 stops
United Airlines Logo
3:00 pm - 10:59 pmBUF-SAT
8h 59m2 stops
$367United Airlines
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Wed, Dec 10 - Tue, Dec 16
Southwest Logo
2:30 pm - 8:40 pmSAT-BUF
5h 10m1 stop
Southwest Logo
8:55 pm - 1:45 amBUF-SAT
5h 50m1 stop
$390Southwest
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Wed, Dec 24 - Sat, Jan 3
Frontier Logo
7:11 pm - 1:12 pmSAT-BUF
17h 01m1 stop
Frontier Logo
7:05 pm - 12:17 amBUF-SAT
54h 12m2 stops
$399Frontier
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Wed, Dec 24 - Sat, Jan 3
American Airlines Logo
1:34 pm - 10:33 pmSAT-BUF
7h 59m1 stop
American Airlines Logo
5:20 pm - 10:59 pmBUF-SAT
6h 39m1 stop
$410American Airlines
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Sun, Dec 21 - Thu, Jan 1
Delta Logo
4:00 pm - 10:59 pmSAT-BUF
5h 59m1 stop
Delta Logo
6:35 pm - 12:36 amBUF-SAT
7h 01m1 stop
$427Delta
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Sun, Mar 1 - Thu, Mar 5
Southwest Logo
12:25 pm - 9:55 pmSAT-BUF
8h 30m2 stops
Southwest Logo
3:45 pm - 11:05 pmBUF-SAT
8h 20m2 stops
$437Southwest
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Thu, Jan 8 - Mon, Jan 12

Frontier flights from San Antonio to Buffalo

Our best Frontier deals on San Antonio to Buffalo flight tickets
Frontier
Jan 8
SAT7:14 pmSan Antonio
11h 59m
1 stop
BUF8:13 amBuffalo
Jan 12
BUF9:08 amBuffalo
11h 13m
1 stop
SAT7:21 pmSan Antonio
$252
Find similar
Frontier
Dec 24
SAT7:11 pmSan Antonio
17h 01m
1 stop
BUF1:12 pmBuffalo
Jan 3
BUF7:05 pmBuffalo
54h 12m
2 stops
SAT12:17 amSan Antonio
$399
Find similar

Delta flights from San Antonio to Buffalo

Our best Delta deals on San Antonio to Buffalo flight tickets
Delta
Dec 10
SAT3:00 pmSan Antonio
7h 59m
1 stop
BUF11:59 pmBuffalo
Dec 16
BUF12:10 pmBuffalo
7h 16m
1 stop
SAT6:26 pmSan Antonio
$357
Find similar
Delta
Mar 1
SAT4:00 pmSan Antonio
5h 59m
1 stop
BUF10:59 pmBuffalo
Mar 5
BUF6:35 pmBuffalo
7h 01m
1 stop
SAT12:36 amSan Antonio
$427
Find similar
Delta
Dec 22
SAT1:33 pmSan Antonio
8h 55m
2 stops
BUF11:28 pmBuffalo
Jan 2
BUF6:10 amBuffalo
10h 30m
2 stops
SAT3:40 pmSan Antonio
$1,874
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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 November 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

Thu 1/8

7:14 pm-8:13 am

1 stop11h 59m

Buffalo

Mon 1/12

9:08 am-7:21 pm

1 stop11h 13m

$252

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Thu 1/8

7:14 pm-8:13 am

1 stop11h 59m

Buffalo

Mon 1/12

1:15 pm-11:52 pm

2 stops35h 37m

$253

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Wed 12/10

3:00 pm-11:59 pm

1 stop7h 59m

Buffalo

Tue 12/16

12:10 pm-6:26 pm

1 stop7h 16m

$357

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Wed 12/10

7:00 am-1:12 pm

1 stop5h 12m

Buffalo

Tue 12/16

1:50 pm-10:59 pm

2 stops10h 09m

$362

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Wed 12/10

5:20 am-2:22 pm

2 stops8h 02m

Buffalo

Tue 12/16

3:00 pm-10:59 pm

2 stops8h 59m

$367

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Wed 12/24

2:30 pm-8:40 pm

1 stop5h 10m

Buffalo

Sat 1/3

8:55 pm-1:45 am

1 stop5h 50m

$390

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Wed 12/24

7:11 pm-1:12 pm

1 stop17h 01m

Buffalo

Sat 1/3

7:05 pm-12:17 am

2 stops54h 12m

$399

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Sun 12/21

1:34 pm-10:33 pm

1 stop7h 59m

Buffalo

Thu 1/1

5:20 pm-10:59 pm

1 stop6h 39m

$410

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Sun 3/1

4:00 pm-10:59 pm

1 stop5h 59m

Buffalo

Thu 3/5

6:35 pm-12:36 am

1 stop7h 01m

$427

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Thu 1/8

12:25 pm-9:55 pm

2 stops8h 30m

Buffalo

Mon 1/12

3:45 pm-11:05 pm

2 stops8h 20m

$437

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 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 $466 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 November 2025, prices for San Antonio to Buffalo flights are approximately 11% cheaper 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 10m.

  • 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
11,051 reviews
Search American Airlines flights
DeltaPriceFrom $256Free CancellationRating
7.9
8,010 reviews
Search Delta flights
United AirlinesPriceFrom $334Free CancellationRating
7.4
9,017 reviews
Search United Airlines flights
SouthwestPriceFrom $350Free CancellationRating
8.0
4,246 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
Lockport
Orchard Park
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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