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Cheap flights from San Antonio to Buffalo from $135

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 2/26. 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
6:00 am - 6:21 pm
SAT
-
BUF
11h 21m
1 stop
Multiple Airlines Logo
12:20 pm - 4:19 pm
BUF
-
SAT
28h 59m
1 stop
$302Multiple Airlines
mar., feb. 17 - sáb., feb. 21
Multiple Airlines Logo
6:00 am - 6:21 pm
SAT
-
BUF
11h 21m
1 stop
Multiple Airlines Logo
12:20 pm - 11:59 pm
BUF
-
SAT
12h 39m
2 stops
$329Multiple Airlines
mar., feb. 17 - sáb., feb. 21
Delta Logo
5:25 am - 11:43 am
SAT
-
BUF
5h 18m
1 stop
Delta Logo
6:00 am - 11:29 am
BUF
-
SAT
6h 29m
1 stop
$392Delta
mar., mar. 3 - mié., mar. 11
American Airlines Logo
3:15 pm - 10:41 pm
SAT
-
BUF
6h 26m
1 stop
American Airlines Logo
4:04 pm - 11:59 pm
BUF
-
SAT
8h 55m
2 stops
$397American Airlines
mar., mar. 3 - mié., mar. 11
United Airlines Logo
1:40 pm - 9:02 pm
SAT
-
BUF
6h 22m
1 stop
United Airlines Logo
7:00 am - 12:07 pm
BUF
-
SAT
6h 07m
1 stop
$427United Airlines
mar., jun. 9 - mar., jun. 16
United Airlines Logo
7:05 am - 2:13 pm
SAT
-
BUF
6h 08m
1 stop
United Airlines Logo
7:00 am - 3:33 pm
BUF
-
SAT
9h 33m
2 stops
$432United Airlines
mar., jun. 9 - mar., jun. 16
Southwest Logo
2:00 pm - 10:40 pm
SAT
-
BUF
7h 40m
2 stops
Southwest Logo
11:00 am - 5:25 pm
BUF
-
SAT
7h 25m
2 stops
$437Southwest
mar., jun. 9 - mar., jun. 16
United Airlines Logo
7:00 am - 5:50 pm
SAT
-
BUF
9h 50m
2 stops
United Airlines Logo
1:52 pm - 10:57 pm
BUF
-
SAT
10h 05m
2 stops
$482United Airlines
mar., mar. 3 - mié., mar. 11
United Airlines Logo
7:05 am - 11:44 pm
SAT
-
BUF
15h 39m
1 stop
United Airlines Logo
6:07 am - 8:28 pm
BUF
-
SAT
15h 21m
1 stop
$507United Airlines
sáb., feb. 14 - mié., feb. 18
United Airlines Logo
5:20 am - 7:06 pm
SAT
-
BUF
12h 46m
2 stops
United Airlines Logo
6:07 am - 8:28 pm
BUF
-
SAT
15h 21m
1 stop
$512United Airlines
sáb., feb. 14 - mié., feb. 18

United Airlines flights from San Antonio to Buffalo

Our best United Airlines deals on San Antonio to Buffalo flight tickets
United Airlines
Jun 9
SAT1:40 pmSan Antonio
6h 22m
1 stop
BUF9:02 pmBuffalo
Jun 16
BUF7:00 amBuffalo
6h 07m
1 stop
SAT12:07 pmSan Antonio
$427
United Airlines
Jun 9
SAT7:05 amSan Antonio
6h 08m
1 stop
BUF2:13 pmBuffalo
Jun 16
BUF10:39 amBuffalo
10h 04m
2 stops
SAT7:43 pmSan Antonio
$432
United Airlines
Mar 3
SAT2:10 pmSan Antonio
8h 34m
2 stops
BUF11:44 pmBuffalo
Mar 11
BUF7:00 amBuffalo
9h 33m
2 stops
SAT3:33 pmSan Antonio
$482

Southwest flights from San Antonio to Buffalo

Our best Southwest deals on San Antonio to Buffalo flight tickets
Southwest
Jun 9
SAT2:00 pmSan Antonio
7h 40m
2 stops
BUF10:40 pmBuffalo
Jun 16
BUF11:00 amBuffalo
7h 25m
2 stops
SAT5:25 pmSan Antonio
$437
Southwest
Jun 24
SAT5:30 amSan Antonio
7h 50m
2 stops
BUF2:20 pmBuffalo
Jun 28
BUF6:10 amBuffalo
5h 35m
1 stop
SAT10:45 amSan Antonio
$535
Southwest
Feb 17
SAT12:20 pmSan Antonio
9h 10m
2 stops
BUF10:30 pmBuffalo
Feb 21
BUF3:55 pmBuffalo
8h 35m
2 stops
SAT11:30 pmSan Antonio
$557

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 febrero 3, 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

mar. 2/17

6:00 am-6:21 pm

1 stop11h 21m

Buffalo

sáb. 2/21

12:20 pm-4:19 pm

1 stop28h 59m

$302

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

mar. 2/17

6:00 am-6:21 pm

1 stop11h 21m

Buffalo

sáb. 2/21

12:20 pm-11:59 pm

2 stops12h 39m

$329

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

mar. 3/3

5:25 am-11:43 am

1 stop5h 18m

Buffalo

mié. 3/11

6:00 am-11:29 am

1 stop6h 29m

$392

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

mar. 3/3

3:15 pm-10:41 pm

1 stop6h 26m

Buffalo

mié. 3/11

4:04 pm-11:59 pm

2 stops8h 55m

$397

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

mar. 6/9

1:40 pm-9:02 pm

1 stop6h 22m

Buffalo

mar. 6/16

7:00 am-12:07 pm

1 stop6h 07m

$427

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

mar. 6/9

7:05 am-2:13 pm

1 stop6h 08m

Buffalo

mar. 6/16

7:00 am-3:33 pm

2 stops9h 33m

$432

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

mar. 6/9

2:00 pm-10:40 pm

2 stops7h 40m

Buffalo

mar. 6/16

11:00 am-5:25 pm

2 stops7h 25m

$437

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

mar. 3/3

7:00 am-5:50 pm

2 stops9h 50m

Buffalo

mié. 3/11

1:52 pm-10:57 pm

2 stops10h 05m

$482

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

sáb. 2/14

7:05 am-11:44 pm

1 stop15h 39m

Buffalo

mié. 2/18

6:07 am-8:28 pm

1 stop15h 21m

$507

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

sáb. 2/14

5:20 am-7:06 pm

2 stops12h 46m

Buffalo

mié. 2/18

6:07 am-8:28 pm

1 stop15h 21m

$512

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.

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 February 2026, prices for San Antonio to Buffalo flights are approximately 5% 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

5h 57m

Direct flights

None
The fastest flight from San Antonio to Buffalo takes 5h 57m
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 57m.

  • 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
9,236 reviews
Search United Airlines flights
American AirlinesPriceFrom $209Free CancellationRating
7.2
11,216 reviews
Search American Airlines flights
DeltaPriceFrom $256Free CancellationRating
7.9
8,138 reviews
Search Delta flights
SouthwestPriceFrom $334Free CancellationRating
8.0
4,272 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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