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Cheap flights from San Antonio to Buffalo from $122

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 1/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
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.
Frontier Logo
7:14 pm - 8:13 am
SAT
-
BUF
11h 59m1 stop
Frontier Logo
9:08 am - 7:03 pm
BUF
-
SAT
10h 55m1 stop
$203Frontier
Thu, Jan 8 - Mon, Jan 12
Frontier Logo
7:14 pm - 8:13 am
SAT
-
BUF
11h 59m1 stop
Frontier Logo
9:08 am - 7:03 pm
BUF
-
SAT
10h 55m1 stop
$233Frontier
Thu, Jan 8 - Mon, Jan 12
Frontier Logo
8:50 am - 2:15 pm
SAT
-
BUF
28h 25m1 stop
Frontier Logo
2:07 pm - 6:42 pm
BUF
-
SAT
29h 35m1 stop
$267Frontier
Sun, Dec 14 - Thu, Dec 18
American Airlines Logo
5:48 pm - 11:59 pm
SAT
-
BUF
5h 11m1 stop
American Airlines Logo
6:38 am - 2:16 pm
BUF
-
SAT
8h 38m1 stop
$273American Airlines
Thu, Jan 1 - Sat, Jan 10
American Airlines Logo
5:48 pm - 11:59 pm
SAT
-
BUF
5h 11m1 stop
American Airlines Logo
9:41 am - 5:00 pm
BUF
-
SAT
8h 19m2 stops
$308American Airlines
Thu, Jan 1 - Sat, Jan 10
Delta Logo
4:29 pm - 11:56 pm
SAT
-
BUF
6h 27m1 stop
Delta Logo
6:00 am - 5:15 pm
BUF
-
SAT
12h 15m2 stops
$351Delta
Thu, Jan 8 - Mon, Jan 12
Multiple Airlines Logo
3:10 pm - 2:15 pm
SAT
-
BUF
22h 05m1 stop
Multiple Airlines Logo
2:07 pm - 5:01 pm
BUF
-
SAT
27h 54m2 stops
$404Multiple Airlines
Sun, Dec 14 - Thu, Dec 18
Multiple Airlines Logo
7:11 pm - 1:12 pm
SAT
-
BUF
17h 01m1 stop
Multiple Airlines Logo
7:05 pm - 5:37 am
BUF
-
SAT
35h 32m2 stops
$424Multiple Airlines
Wed, Dec 24 - Sat, Jan 3
Delta Logo
5:20 am - 11:40 am
SAT
-
BUF
5h 20m1 stop
Delta Logo
6:00 am - 1:16 pm
BUF
-
SAT
8h 16m1 stop
$427Delta
Tue, Apr 28 - Sun, May 3
United Airlines Logo
2:20 pm - 11:26 pm
SAT
-
BUF
8h 06m2 stops
United Airlines Logo
10:20 am - 3:37 pm
BUF
-
SAT
6h 17m1 stop
$432United Airlines
Mon, Apr 27 - Sun, May 3

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
10h 55m
1 stop
SAT7:03 pmSan Antonio
$203
Find similar
Frontier
Jan 8
SAT7:14 pmSan Antonio
11h 59m
1 stop
BUF8:13 amBuffalo
Jan 12
BUF9:08 amBuffalo
10h 55m
1 stop
SAT7:03 pmSan Antonio
$233
Find similar
Frontier
Dec 14
SAT8:50 amSan Antonio
28h 25m
1 stop
BUF2:15 pmBuffalo
Dec 18
BUF2:07 pmBuffalo
29h 35m
1 stop
SAT6:42 pmSan Antonio
$267
Find similar

American Airlines flights from San Antonio to Buffalo

Our best American Airlines deals on San Antonio to Buffalo flight tickets
American Airlines
Jan 1
SAT5:48 pmSan Antonio
5h 11m
1 stop
BUF11:59 pmBuffalo
Jan 10
BUF6:38 amBuffalo
8h 38m
1 stop
SAT2:16 pmSan Antonio
$273
Find similar
American Airlines
Jan 1
SAT5:48 pmSan Antonio
5h 11m
1 stop
BUF11:59 pmBuffalo
Jan 10
BUF9:41 amBuffalo
8h 19m
2 stops
SAT5:00 pmSan Antonio
$308
Find similar
American Airlines
Dec 21
SAT3:00 pmSan Antonio
6h 29m
1 stop
BUF10:29 pmBuffalo
Jan 1
BUF6:29 pmBuffalo
6h 30m
1 stop
SAT11:59 pmSan Antonio
$471
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 December 4, 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

$203

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

$233

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Sun 12/14

8:50 am-2:15 pm

1 stop28h 25m

Buffalo

Thu 12/18

2:07 pm-6:42 pm

1 stop29h 35m

$267

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Thu 1/1

5:48 pm-11:59 pm

1 stop5h 11m

Buffalo

Sat 1/10

6:38 am-2:16 pm

1 stop8h 38m

$273

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Thu 1/1

5:48 pm-11:59 pm

1 stop5h 11m

Buffalo

Sat 1/10

9:41 am-5:00 pm

2 stops8h 19m

$308

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

$351

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Sun 12/14

3:10 pm-2:15 pm

1 stop22h 05m

Buffalo

Thu 12/18

2:07 pm-5:01 pm

2 stops27h 54m

$404

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-5:37 am

2 stops35h 32m

$424

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Tue 4/28

5:20 am-11:40 am

1 stop5h 20m

Buffalo

Sun 5/3

6:00 am-1:16 pm

1 stop8h 16m

$427

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Mon 4/27

2:20 pm-11:26 pm

2 stops8h 06m

Buffalo

Sun 5/3

10:20 am-3:37 pm

1 stop6h 17m

$432

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 December 2025, 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

5h 20m

Direct flights

None
The fastest flight from San Antonio to Buffalo takes 5h 20m
There are no direct flights from San Antonio to Buffalo. There are no popular flight routes from San Antonio to Buffalo.
Search flight deals

  • 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
11,047 reviews
Search American Airlines flights
DeltaPriceFrom $256Free CancellationRating
7.9
8,011 reviews
Search Delta flights
United AirlinesPriceFrom $334Free CancellationRating
7.4
9,066 reviews
Search United Airlines flights
SouthwestPriceFrom $350Free CancellationRating
8.0
4,250 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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