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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 12/7. 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

Enter your travel dates to find the best prices.
Frontier Logo
7:38 pm - 2:43 pmSAT-BUF
18h 05m1 stop
Frontier Logo
10:21 am - 4:08 pmBUF-SAT
6h 47m1 stop
$219Frontier
Find Deal
jue., nov. 20 - lun., nov. 24
Frontier Logo
7:00 am - 2:43 pmSAT-BUF
30h 43m2 stops
Frontier Logo
10:21 am - 4:08 pmBUF-SAT
6h 47m1 stop
$241Frontier
Find Deal
jue., nov. 20 - lun., nov. 24
Delta Logo
4:52 pm - 11:59 pmSAT-BUF
6h 07m1 stop
Delta Logo
6:00 am - 12:11 pmBUF-SAT
7h 11m1 stop
$370Delta
Find Deal
dom., dic. 7 - mar., dic. 9
Southwest Logo
5:15 am - 12:00 pmSAT-BUF
5h 45m1 stop
Southwest Logo
12:35 pm - 8:05 pmBUF-SAT
8h 30m2 stops
$385Southwest
Find Deal
dom., dic. 7 - mar., dic. 9
United Airlines Logo
2:12 pm - 9:15 pmSAT-BUF
6h 03m1 stop
United Airlines Logo
7:00 am - 12:28 pmBUF-SAT
6h 28m1 stop
$393United Airlines
Find Deal
mié., dic. 3 - mié., dic. 10
United Airlines Logo
11:43 am - 10:31 pmSAT-BUF
9h 48m2 stops
United Airlines Logo
2:49 pm - 11:13 pmBUF-SAT
9h 24m2 stops
$397United Airlines
Find Deal
vie., ene. 9 - lun., ene. 12
Southwest Logo
2:15 pm - 11:40 pmSAT-BUF
8h 25m2 stops
Southwest Logo
12:35 pm - 8:05 pmBUF-SAT
8h 30m2 stops
$410Southwest
Find Deal
dom., dic. 7 - mar., dic. 9
American Airlines Logo
3:00 pm - 10:29 pmSAT-BUF
6h 29m1 stop
American Airlines Logo
5:20 pm - 9:50 pmBUF-SAT
5h 30m1 stop
$413American Airlines
Find Deal
vie., ene. 2 - lun., ene. 5
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
Find Deal
dom., mar. 1 - jue., mar. 5
American Airlines Logo
5:48 pm - 11:59 pmSAT-BUF
5h 11m1 stop
American Airlines Logo
6:24 am - 12:02 pmBUF-SAT
6h 38m1 stop
$440American Airlines
Find Deal
mar., dic. 23 - vie., ene. 2

Frontier flights from San Antonio to Buffalo

Our best Frontier deals on San Antonio to Buffalo flight tickets
Frontier
Nov 20
SAT7:38 pmSan Antonio
18h 05m
1 stop
BUF2:43 pmBuffalo
Nov 24
BUF10:21 amBuffalo
6h 47m
1 stop
SAT4:08 pmSan Antonio
$219
Find similar
Frontier
Nov 20
SAT7:00 amSan Antonio
30h 43m
2 stops
BUF2:43 pmBuffalo
Nov 24
BUF10:21 amBuffalo
6h 47m
1 stop
SAT4:08 pmSan Antonio
$241
Find similar
Frontier
Jan 9
SAT10:13 amSan Antonio
22h 56m
2 stops
BUF10:09 amBuffalo
Jan 12
BUF9:08 amBuffalo
10h 31m
1 stop
SAT6:39 pmSan Antonio
$270
Find similar

Delta flights from San Antonio to Buffalo

Our best Delta deals on San Antonio to Buffalo flight tickets
Delta
Dec 7
SAT4:52 pmSan Antonio
6h 07m
1 stop
BUF11:59 pmBuffalo
Dec 9
BUF6:00 amBuffalo
7h 11m
1 stop
SAT12:11 pmSan Antonio
$370
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
Nov 20
SAT4:35 pmSan Antonio
5h 22m
1 stop
BUF10:57 pmBuffalo
Nov 29
BUF6:10 amBuffalo
19h 28m
1 stop
SAT12:38 amSan Antonio
$682
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 noviembre 6, 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

jue. 11/20

7:38 pm-2:43 pm

1 stop18h 05m

Buffalo

lun. 11/24

10:21 am-4:08 pm

1 stop6h 47m

$219

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

jue. 11/20

7:00 am-2:43 pm

2 stops30h 43m

Buffalo

lun. 11/24

10:21 am-4:08 pm

1 stop6h 47m

$241

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

dom. 12/7

4:52 pm-11:59 pm

1 stop6h 07m

Buffalo

mar. 12/9

6:00 am-12:11 pm

1 stop7h 11m

$370

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

dom. 12/7

5:15 am-12:00 pm

1 stop5h 45m

Buffalo

mar. 12/9

12:35 pm-8:05 pm

2 stops8h 30m

$385

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

mié. 12/3

2:12 pm-9:15 pm

1 stop6h 03m

Buffalo

mié. 12/10

7:00 am-12:28 pm

1 stop6h 28m

$393

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

vie. 1/9

11:43 am-10:31 pm

2 stops9h 48m

Buffalo

lun. 1/12

2:49 pm-11:13 pm

2 stops9h 24m

$397

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

dom. 12/7

2:15 pm-11:40 pm

2 stops8h 25m

Buffalo

mar. 12/9

12:35 pm-8:05 pm

2 stops8h 30m

$410

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

vie. 1/2

3:00 pm-10:29 pm

1 stop6h 29m

Buffalo

lun. 1/5

5:20 pm-9:50 pm

1 stop5h 30m

$413

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

dom. 3/1

4:00 pm-10:59 pm

1 stop5h 59m

Buffalo

jue. 3/5

6:35 pm-12:36 am

1 stop7h 01m

$427

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

mar. 12/23

5:48 pm-11:59 pm

1 stop5h 11m

Buffalo

vie. 1/2

6:24 am-12:02 pm

1 stop6h 38m

$440

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 $444 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.
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 4h 55m.

  • 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
11,040 reviews
Search American Airlines flights
DeltaPriceFrom $256Free CancellationRating
7.9
8,001 reviews
Search Delta flights
United AirlinesPriceFrom $334Free CancellationRating
7.4
9,007 reviews
Search United Airlines flights
SouthwestPriceFrom $350Free CancellationRating
8.0
4,241 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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