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Cheap flights from San Antonio to Buffalo from $258

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from San Antonio to Buffalo departing on 2/4. 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.
Multiple Airlines Logo
6:30 am - 12:44 pm
SAT
-
BUF
29h 14m
2 stops
Multiple Airlines Logo
1:39 pm - 5:03 pm
BUF
-
SAT
28h 24m
1 stop
$258Multiple Airlines
Wed, Feb 4 - Sun, Feb 8
Frontier Logo
5:04 pm - 12:53 pm
SAT
-
BUF
18h 49m
1 stop
Frontier Logo
2:19 pm - 4:20 pm
BUF
-
SAT
27h 01m
1 stop
$316Frontier
Sun, Feb 22 - Sun, Mar 1
Frontier Logo
1:57 pm - 6:21 pm
SAT
-
BUF
27h 24m
1 stop
Frontier Logo
2:19 pm - 4:20 pm
BUF
-
SAT
27h 01m
1 stop
$319Frontier
Mon, Feb 23 - Sun, Mar 1
Frontier Logo
6:13 pm - 12:44 pm
SAT
-
BUF
17h 31m
1 stop
Frontier Logo
1:39 pm - 5:03 pm
BUF
-
SAT
28h 24m
1 stop
$324Frontier
Sun, Feb 1 - Thu, Feb 5
Multiple Airlines Logo
10:35 am - 12:44 pm
SAT
-
BUF
25h 09m
2 stops
Multiple Airlines Logo
1:39 pm - 5:03 pm
BUF
-
SAT
28h 24m
1 stop
$331Multiple Airlines
Sun, Feb 1 - Thu, Feb 5
Frontier Logo
1:57 pm - 6:21 pm
SAT
-
BUF
27h 24m
1 stop
Frontier Logo
12:00 pm - 4:19 pm
BUF
-
SAT
29h 19m
1 stop
$335Frontier
Mon, Feb 23 - Sat, Feb 28
Multiple Airlines Logo
1:22 pm - 5:41 pm
SAT
-
BUF
27h 19m
1 stop
Multiple Airlines Logo
9:25 pm - 9:32 am
BUF
-
SAT
37h 07m
2 stops
$344Multiple Airlines
Thu, Mar 12 - Mon, Mar 16
Multiple Airlines Logo
5:04 pm - 6:21 pm
SAT
-
BUF
24h 17m
2 stops
Multiple Airlines Logo
2:19 pm - 4:20 pm
BUF
-
SAT
27h 01m
1 stop
$347Multiple Airlines
Mon, Feb 23 - Sun, Mar 1
Frontier Logo
5:04 pm - 12:53 pm
SAT
-
BUF
18h 49m
1 stop
Frontier Logo
12:00 pm - 4:19 pm
BUF
-
SAT
29h 19m
1 stop
$350Frontier
Sun, Feb 22 - Sat, Feb 28
Delta Logo
5:10 am - 11:44 am
SAT
-
BUF
5h 34m
1 stop
Delta Logo
6:00 am - 12:42 pm
BUF
-
SAT
7h 42m
1 stop
$351Delta
Mon, Mar 16 - Wed, Mar 25

Delta flights from San Antonio to Buffalo

Our best Delta deals on San Antonio to Buffalo flight tickets
Delta
Mar 16
SAT5:10 amSan Antonio
5h 34m
1 stop
BUF11:44 amBuffalo
Mar 25
BUF6:00 amBuffalo
7h 42m
1 stop
SAT12:42 pmSan Antonio
$351
Delta
Mar 20
SAT5:00 amSan Antonio
5h 01m
1 stop
BUF11:01 amBuffalo
Mar 26
BUF4:47 pmBuffalo
8h 51m
1 stop
SAT12:38 amSan Antonio
$389
Delta
Mar 16
SAT4:29 pmSan Antonio
6h 17m
1 stop
BUF11:46 pmBuffalo
Mar 25
BUF6:02 amBuffalo
13h 12m
2 stops
SAT6:14 pmSan Antonio
$398

American Airlines flights from San Antonio to Buffalo

Our best American Airlines deals on San Antonio to Buffalo flight tickets
American Airlines
Mar 12
SAT5:06 pmSan Antonio
5h 34m
1 stop
BUF11:40 pmBuffalo
Mar 16
BUF4:04 pmBuffalo
8h 55m
2 stops
SAT11:59 pmSan Antonio
$356
American Airlines
Mar 3
SAT3:15 pmSan Antonio
6h 26m
1 stop
BUF10:41 pmBuffalo
Mar 11
BUF4:04 pmBuffalo
8h 55m
2 stops
SAT11:59 pmSan Antonio
$387
American Airlines
Mar 14
SAT1:40 pmSan Antonio
8h 01m
1 stop
BUF10:41 pmBuffalo
Mar 16
BUF4:04 pmBuffalo
8h 55m
2 stops
SAT11:59 pmSan Antonio
$394

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 January 20, 2026.
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

Wed 2/4

6:30 am-12:44 pm

2 stops29h 14m

Buffalo

Sun 2/8

1:39 pm-5:03 pm

1 stop28h 24m

$258

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Sun 2/22

5:04 pm-12:53 pm

1 stop18h 49m

Buffalo

Sun 3/1

2:19 pm-4:20 pm

1 stop27h 01m

$316

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Mon 2/23

1:57 pm-6:21 pm

1 stop27h 24m

Buffalo

Sun 3/1

2:19 pm-4:20 pm

1 stop27h 01m

$319

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Sun 2/1

6:13 pm-12:44 pm

1 stop17h 31m

Buffalo

Thu 2/5

1:39 pm-5:03 pm

1 stop28h 24m

$324

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Sun 2/1

10:35 am-12:44 pm

2 stops25h 09m

Buffalo

Thu 2/5

1:39 pm-5:03 pm

1 stop28h 24m

$331

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Mon 2/23

1:57 pm-6:21 pm

1 stop27h 24m

Buffalo

Sat 2/28

12:00 pm-4:19 pm

1 stop29h 19m

$335

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Thu 3/12

1:22 pm-5:41 pm

1 stop27h 19m

Buffalo

Mon 3/16

9:25 pm-9:32 am

2 stops37h 07m

$344

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Mon 2/23

5:04 pm-6:21 pm

2 stops24h 17m

Buffalo

Sun 3/1

2:19 pm-4:20 pm

1 stop27h 01m

$347

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Sun 2/22

5:04 pm-12:53 pm

1 stop18h 49m

Buffalo

Sat 2/28

12:00 pm-4:19 pm

1 stop29h 19m

$350

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Mon 3/16

5:10 am-11:44 am

1 stop5h 34m

Buffalo

Wed 3/25

6:00 am-12:42 pm

1 stop7h 42m

$351

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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.

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 $416 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 January 2026, prices for San Antonio to Buffalo flights are approximately 11% 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 10m

Direct flights

None
The fastest flight from San Antonio to Buffalo takes 5h 10m
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
United AirlinesPriceFrom $125Free CancellationRating
7.4
9,180 reviews
Search United Airlines flights
American AirlinesPriceFrom $209Free CancellationRating
7.2
11,164 reviews
Search American Airlines flights
DeltaPriceFrom $256Free CancellationRating
7.9
8,076 reviews
Search Delta flights
SouthwestPriceFrom $334Free CancellationRating
8.0
4,267 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
Grand Island
Tonawanda
Williamsville
Orchard Park
Lockport
West Seneca
Bowmansville
East Aurora
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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