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Cheap flights from San Antonio to Buffalo from $129

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 10/7. 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

Frontier Logo
9:55 am - 4:03 pmSAT-BUF
29h 08m1 stop
Frontier Logo
12:17 pm - 4:35 pmBUF-SAT
29h 18m1 stop
$227Frontier
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Sun, Sep 28 - Thu, Oct 2
Frontier Logo
9:55 am - 4:03 pmSAT-BUF
29h 08m1 stop
Frontier Logo
12:17 pm - 11:46 amBUF-SAT
24h 29m2 stops
$256Frontier
Find Deal
Sun, Sep 28 - Thu, Oct 2
American Airlines Logo
2:42 pm - 11:36 pmSAT-BUF
7h 54m1 stop
American Airlines Logo
6:33 pm - 12:28 amBUF-SAT
6h 55m1 stop
$317American Airlines
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Tue, Nov 11 - Wed, Nov 19
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
$322American Airlines
Find Deal
Tue, Nov 11 - Wed, Nov 19
Delta Logo
2:55 pm - 11:39 pmSAT-BUF
7h 44m1 stop
Delta Logo
7:30 pm - 12:20 amBUF-SAT
5h 50m1 stop
$330Delta
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Sat, Oct 11 - Tue, Oct 14
United Airlines Logo
6:45 am - 1:22 pmSAT-BUF
5h 37m1 stop
United Airlines Logo
7:07 am - 11:58 amBUF-SAT
5h 51m1 stop
$339United Airlines
Find Deal
Tue, Oct 14 - Tue, Oct 21
United Airlines Logo
6:45 am - 1:22 pmSAT-BUF
5h 37m1 stop
United Airlines Logo
2:50 pm - 10:35 pmBUF-SAT
8h 45m2 stops
$345United Airlines
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Tue, Oct 14 - Tue, Oct 21
Southwest Logo
2:30 pm - 11:55 pmSAT-BUF
8h 25m1 stop
Southwest Logo
8:40 pm - 1:20 amBUF-SAT
5h 40m1 stop
$405Southwest
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Mon, Dec 22 - Mon, Dec 29
Southwest Logo
4:35 pm - 11:50 pmSAT-BUF
6h 15m1 stop
Southwest Logo
9:10 pm - 1:45 amBUF-SAT
5h 35m1 stop
$406Southwest
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Fri, Oct 24 - Sun, Oct 26
Delta Logo
4:40 pm - 11:48 pmSAT-BUF
6h 08m1 stop
Delta Logo
6:55 pm - 12:37 amBUF-SAT
6h 42m1 stop
$447Delta
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Mon, Dec 29 - Sat, Jan 3

Delta flights from San Antonio to Buffalo

Our best Delta deals on San Antonio to Buffalo flight tickets
Delta
Oct 11
SAT2:55 pmSan Antonio
7h 44m
1 stop
BUF11:39 pmBuffalo
Oct 14
BUF7:30 pmBuffalo
5h 50m
1 stop
SAT12:20 amSan Antonio
$330
Find similar
Delta
Dec 29
SAT4:40 pmSan Antonio
6h 08m
1 stop
BUF11:48 pmBuffalo
Jan 3
BUF6:55 pmBuffalo
6h 42m
1 stop
SAT12:37 amSan Antonio
$447
Find similar
Delta
Oct 9
SAT4:35 pmSan Antonio
5h 17m
1 stop
BUF10:52 pmBuffalo
Oct 12
BUF7:30 pmBuffalo
5h 50m
1 stop
SAT12:20 amSan Antonio
$463
Find similar

Southwest flights from San Antonio to Buffalo

Our best Southwest deals on San Antonio to Buffalo flight tickets
Southwest
Dec 22
SAT2:30 pmSan Antonio
8h 25m
1 stop
BUF11:55 pmBuffalo
Dec 29
BUF8:40 pmBuffalo
5h 40m
1 stop
SAT1:20 amSan Antonio
$405
Find similar
Southwest
Oct 24
SAT4:35 pmSan Antonio
6h 15m
1 stop
BUF11:50 pmBuffalo
Oct 26
BUF9:10 pmBuffalo
5h 35m
1 stop
SAT1:45 amSan Antonio
$406
Find similar
Southwest
Mar 12
SAT10:55 amSan Antonio
6h 55m
1 stop
BUF6:50 pmBuffalo
Mar 16
BUF5:45 amBuffalo
8h 30m
1 stop
SAT1:15 pmSan Antonio
$427
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 September 15, 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

Sun 9/28

9:55 am-4:03 pm

1 stop29h 08m

Buffalo

Thu 10/2

12:17 pm-4:35 pm

1 stop29h 18m

$227

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Sun 9/28

9:55 am-4:03 pm

1 stop29h 08m

Buffalo

Thu 10/2

12:17 pm-11:46 am

2 stops24h 29m

$256

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Tue 11/11

2:42 pm-11:36 pm

1 stop7h 54m

Buffalo

Wed 11/19

6:33 pm-12:28 am

1 stop6h 55m

$317

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Tue 11/11

1:40 pm-10:56 pm

2 stops8h 16m

Buffalo

Wed 11/19

6:33 pm-12:28 am

1 stop6h 55m

$322

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Sat 10/11

2:55 pm-11:39 pm

1 stop7h 44m

Buffalo

Tue 10/14

7:30 pm-12:20 am

1 stop5h 50m

$330

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Tue 10/14

6:45 am-1:22 pm

1 stop5h 37m

Buffalo

Tue 10/21

7:07 am-11:58 am

1 stop5h 51m

$339

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Tue 10/14

6:45 am-1:22 pm

1 stop5h 37m

Buffalo

Tue 10/21

2:50 pm-10:35 pm

2 stops8h 45m

$345

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Mon 12/22

2:30 pm-11:55 pm

1 stop8h 25m

Buffalo

Mon 12/29

8:40 pm-1:20 am

1 stop5h 40m

$405

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Fri 10/24

4:35 pm-11:50 pm

1 stop6h 15m

Buffalo

Sun 10/26

9:10 pm-1:45 am

1 stop5h 35m

$406

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Mon 12/29

4:40 pm-11:48 pm

1 stop6h 08m

Buffalo

Sat 1/3

6:55 pm-12:37 am

1 stop6h 42m

$447

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 May instead. Flights to Buffalo in May, while not as cheap as those in August, still average around $336.

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 $422 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 September 2025, prices for San Antonio to Buffalo flights are approximately 42% 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 04m.

  • 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
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $256Free CancellationRating
7.9
7,954 reviews
Search Delta flights
United AirlinesPriceFrom $334Free CancellationRating
7.4
8,929 reviews
Search United Airlines flights
SouthwestPriceFrom $345Free CancellationRating
8.0
4,242 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
Tonawanda
Amherst
Williamsville
Grand Island
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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