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Cheap flights from San Antonio to Buffalo from $95

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 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.
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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 - 7:03 pmBUF-SAT
10h 55m1 stop
$253Frontier
Find Deal
Thu, Jan 8 - Mon, Jan 12
American Airlines Logo
3:00 pm - 10:29 pmSAT-BUF
6h 29m1 stop
American Airlines Logo
6:32 pm - 12:15 amBUF-SAT
6h 43m1 stop
$356American Airlines
Find Deal
Sun, Jan 4 - Sat, Jan 17
American Airlines Logo
3:00 pm - 10:29 pmSAT-BUF
6h 29m1 stop
American Airlines Logo
9:41 am - 5:00 pmBUF-SAT
8h 19m2 stops
$361American Airlines
Find Deal
Sun, Jan 4 - Sat, Jan 17
Multiple Airlines Logo
6:10 pm - 11:10 amSAT-BUF
16h 00m2 stops
Multiple Airlines Logo
3:18 pm - 2:15 pmBUF-SAT
23h 57m1 stop
$362Multiple Airlines
Find Deal
Wed, Dec 10 - Sun, Dec 14
American Airlines Logo
1:08 pm - 10:40 pmSAT-BUF
8h 32m2 stops
American Airlines Logo
5:16 pm - 10:42 pmBUF-SAT
6h 26m1 stop
$370American Airlines
Find Deal
Thu, Jan 8 - Mon, Jan 12
Multiple Airlines Logo
12:45 pm - 9:08 pmSAT-BUF
7h 23m1 stop
Multiple Airlines Logo
6:32 pm - 5:01 pmBUF-SAT
23h 29m2 stops
$385Multiple Airlines
Find Deal
Mon, Dec 22 - Tue, Dec 23
Frontier Logo
7:37 pm - 8:50 pmSAT-BUF
24h 13m1 stop
Frontier Logo
6:32 pm - 5:01 pmBUF-SAT
23h 29m2 stops
$393Frontier
Find Deal
Fri, Dec 19 - Tue, Dec 23
Delta Logo
4:29 pm - 11:56 pmSAT-BUF
6h 27m1 stop
Delta Logo
6:00 am - 5:15 pmBUF-SAT
12h 15m2 stops
$400Delta
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Thu, Jan 8 - Mon, Jan 12
Multiple Airlines Logo
12:45 pm - 9:08 pmSAT-BUF
7h 23m1 stop
Multiple Airlines Logo
1:47 pm - 6:16 pmBUF-SAT
29h 29m1 stop
$403Multiple Airlines
Find Deal
Mon, Dec 22 - Tue, Dec 23
Delta Logo
8:00 am - 5:18 pmSAT-BUF
8h 18m1 stop
Delta Logo
6:10 am - 11:08 amBUF-SAT
5h 58m1 stop
$405Delta
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Tue, Dec 16 - Wed, Dec 24

American Airlines flights from San Antonio to Buffalo

Our best American Airlines deals on San Antonio to Buffalo flight tickets
American Airlines
Jan 4
SAT3:00 pmSan Antonio
6h 29m
1 stop
BUF10:29 pmBuffalo
Jan 17
BUF6:32 pmBuffalo
6h 43m
1 stop
SAT12:15 amSan Antonio
$356
Find similar
American Airlines
Jan 4
SAT3:00 pmSan Antonio
6h 29m
1 stop
BUF10:29 pmBuffalo
Jan 17
BUF9:41 amBuffalo
8h 19m
2 stops
SAT5:00 pmSan Antonio
$361
Find similar
American Airlines
Jan 8
SAT1:08 pmSan Antonio
8h 32m
2 stops
BUF10:40 pmBuffalo
Jan 12
BUF5:16 pmBuffalo
6h 26m
1 stop
SAT10:42 pmSan Antonio
$370
Find similar

Delta flights from San Antonio to Buffalo

Our best Delta deals on San Antonio to Buffalo flight tickets
Delta
Dec 17
SAT3:00 pmSan Antonio
7h 59m
1 stop
BUF11:59 pmBuffalo
Jan 6
BUF5:44 pmBuffalo
6h 11m
1 stop
SAT10:55 pmSan Antonio
$313
Find similar
Delta
Jan 8
SAT4:29 pmSan Antonio
6h 27m
1 stop
BUF11:56 pmBuffalo
Jan 12
BUF6:00 amBuffalo
12h 15m
2 stops
SAT5:15 pmSan Antonio
$400
Find similar
Delta
Dec 16
SAT8:00 amSan Antonio
8h 18m
1 stop
BUF5:18 pmBuffalo
Dec 24
BUF6:10 amBuffalo
5h 58m
1 stop
SAT11:08 amSan Antonio
$405
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 November 26, 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-7:03 pm

1 stop10h 55m

$253

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Sun 1/4

3:00 pm-10:29 pm

1 stop6h 29m

Buffalo

Sat 1/17

6:32 pm-12:15 am

1 stop6h 43m

$356

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Sun 1/4

3:00 pm-10:29 pm

1 stop6h 29m

Buffalo

Sat 1/17

9:41 am-5:00 pm

2 stops8h 19m

$361

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Wed 12/10

6:10 pm-11:10 am

2 stops16h 00m

Buffalo

Sun 12/14

3:18 pm-2:15 pm

1 stop23h 57m

$362

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Thu 1/8

1:08 pm-10:40 pm

2 stops8h 32m

Buffalo

Mon 1/12

5:16 pm-10:42 pm

1 stop6h 26m

$370

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Mon 12/22

12:45 pm-9:08 pm

1 stop7h 23m

Buffalo

Tue 12/23

6:32 pm-5:01 pm

2 stops23h 29m

$385

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Fri 12/19

7:37 pm-8:50 pm

1 stop24h 13m

Buffalo

Tue 12/23

6:32 pm-5:01 pm

2 stops23h 29m

$393

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Thu 1/8

4:29 pm-11:56 pm

1 stop6h 27m

Buffalo

Mon 1/12

6:00 am-5:15 pm

2 stops12h 15m

$400

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Mon 12/22

12:45 pm-9:08 pm

1 stop7h 23m

Buffalo

Tue 12/23

1:47 pm-6:16 pm

1 stop29h 29m

$403

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Tue 12/16

8:00 am-5:18 pm

1 stop8h 18m

Buffalo

Wed 12/24

6:10 am-11:08 am

1 stop5h 58m

$405

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

Fastest flight time

6h 27m

Direct flights

None
The fastest flight from San Antonio to Buffalo takes 6h 27m
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 11m.

  • 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
11,038 reviews
Search American Airlines flights
DeltaPriceFrom $256Free CancellationRating
7.9
7,999 reviews
Search Delta flights
United AirlinesPriceFrom $334Free CancellationRating
7.4
9,046 reviews
Search United Airlines flights
SouthwestPriceFrom $350Free CancellationRating
8.0
4,254 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
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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