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Cheap flights from San Antonio to Buffalo from $134

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 8/31. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from San Antonio to Buffalo

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
9:51 am - 9:23 am
SAT
-
BUF
22h 32m
1 stop
Frontier Logo
8:54 pm - 9:02 am
BUF
-
SAT
13h 08m
1 stop
$272Frontier
Sat, Sep 5 - Sun, Sep 13
Southwest Logo
11:50 am - 6:25 pm
SAT
-
BUF
5h 35m
1 stop
Southwest Logo
3:55 pm - 9:30 pm
BUF
-
SAT
6h 35m
1 stop
$313Southwest
Thu, Sep 10 - Mon, Sep 14
Southwest Logo
1:00 pm - 9:50 pm
SAT
-
BUF
7h 50m
2 stops
Southwest Logo
4:35 pm - 10:00 pm
BUF
-
SAT
6h 25m
1 stop
$318Southwest
Thu, Sep 10 - Mon, Sep 14
Southwest Logo
2:05 pm - 9:50 pm
SAT
-
BUF
6h 45m
2 stops
Southwest Logo
8:50 am - 4:00 pm
BUF
-
SAT
8h 10m
2 stops
$323Southwest
Thu, Sep 10 - Sat, Sep 12
Southwest Logo
9:20 pm - 2:10 pm
SAT
-
BUF
15h 50m
2 stops
Southwest Logo
1:45 pm - 8:20 pm
BUF
-
SAT
7h 35m
1 stop
$324Southwest
Thu, Oct 29 - Sat, Oct 31
Southwest Logo
9:20 pm - 2:10 pm
SAT
-
BUF
15h 50m
2 stops
Southwest Logo
10:10 am - 5:00 pm
BUF
-
SAT
7h 50m
2 stops
$329Southwest
Thu, Oct 22 - Sat, Oct 24
American Airlines Logo
4:40 pm - 11:01 pm
SAT
-
BUF
5h 21m
1 stop
American Airlines Logo
7:15 am - 1:07 pm
BUF
-
SAT
6h 52m
1 stop
$344American Airlines
Sat, Sep 5 - Sat, Sep 12
American Airlines Logo
12:36 pm - 9:56 pm
SAT
-
BUF
8h 20m
2 stops
American Airlines Logo
2:26 pm - 7:39 pm
BUF
-
SAT
6h 13m
1 stop
$349American Airlines
Sat, Sep 5 - Sat, Sep 12
Frontier Logo
9:51 am - 7:06 pm
SAT
-
BUF
8h 15m
1 stop
Frontier Logo
9:33 pm - 8:56 am
BUF
-
SAT
12h 23m
1 stop
$354Frontier
Fri, Aug 14 - Sun, Aug 16
Multiple Airlines Logo
9:55 am - 8:44 pm
SAT
-
BUF
9h 49m
1 stop
Multiple Airlines Logo
11:36 am - 9:15 am
BUF
-
SAT
22h 39m
2 stops
$359Multiple Airlines
Thu, Aug 20 - Sat, Aug 22

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Delta flights from San Antonio to Buffalo

Our best Delta deals on San Antonio to Buffalo flight tickets
Delta
Sep 21
SAT4:00 pmSan Antonio
6h 54m
1 stop
BUF11:54 pmBuffalo
Sep 26
BUF5:15 pmBuffalo
7h 05m
1 stop
SAT11:20 pmSan Antonio
$388
Delta
Sep 20
SAT4:21 pmSan Antonio
6h 33m
1 stop
BUF11:54 pmBuffalo
Sep 24
BUF12:17 pmBuffalo
5h 46m
1 stop
SAT5:03 pmSan Antonio
$411
Delta
Sep 20
SAT5:15 amSan Antonio
5h 07m
1 stop
BUF11:22 amBuffalo
Sep 26
BUF5:15 pmBuffalo
7h 05m
1 stop
SAT11:20 pmSan Antonio
$424

American Airlines flights from San Antonio to Buffalo

Our best American Airlines deals on San Antonio to Buffalo flight tickets
American Airlines
Sep 5
SAT4:40 pmSan Antonio
5h 21m
1 stop
BUF11:01 pmBuffalo
Sep 12
BUF7:15 amBuffalo
6h 52m
1 stop
SAT1:07 pmSan Antonio
$344
American Airlines
Sep 5
SAT12:36 pmSan Antonio
8h 20m
2 stops
BUF9:56 pmBuffalo
Sep 12
BUF2:26 pmBuffalo
6h 13m
1 stop
SAT7:39 pmSan Antonio
$349
American Airlines
Aug 19
SAT8:55 amSan Antonio
8h 07m
1 stop
BUF6:02 pmBuffalo
Aug 27
BUF2:51 pmBuffalo
7h 47m
1 stop
SAT9:38 pmSan Antonio
$375

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 July 21, 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

Cheapest round-trip

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Sat 9/5

9:51 am-9:23 am

1 stop22h 32m

Buffalo

Sun 9/13

8:54 pm-9:02 am

1 stop13h 08m

$272
Quickest round-trip

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Thu 9/10

11:50 am-6:25 pm

1 stop5h 35m

Buffalo

Mon 9/14

3:55 pm-9:30 pm

1 stop6h 35m

$313

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Thu 9/10

1:00 pm-9:50 pm

2 stops7h 50m

Buffalo

Mon 9/14

4:35 pm-10:00 pm

1 stop6h 25m

$318

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Thu 9/10

2:05 pm-9:50 pm

2 stops6h 45m

Buffalo

Sat 9/12

8:50 am-4:00 pm

2 stops8h 10m

$323

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Thu 10/29

9:20 pm-2:10 pm

2 stops15h 50m

Buffalo

Sat 10/31

1:45 pm-8:20 pm

1 stop7h 35m

$324

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Thu 10/22

9:20 pm-2:10 pm

2 stops15h 50m

Buffalo

Sat 10/24

10:10 am-5:00 pm

2 stops7h 50m

$329

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Sat 9/5

4:40 pm-11:01 pm

1 stop5h 21m

Buffalo

Sat 9/12

7:15 am-1:07 pm

1 stop6h 52m

$344

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Sat 9/5

12:36 pm-9:56 pm

2 stops8h 20m

Buffalo

Sat 9/12

2:26 pm-7:39 pm

1 stop6h 13m

$349

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Fri 8/14

9:51 am-7:06 pm

1 stop8h 15m

Buffalo

Sun 8/16

9:33 pm-8:56 am

1 stop12h 23m

$354

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Thu 8/20

9:55 am-8:44 pm

1 stop9h 49m

Buffalo

Sat 8/22

11:36 am-9:15 am

2 stops22h 39m

$359

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 typical price of a round-trip flight between San Antonio and Buffalo?

What is the cheapest month to fly to Buffalo?

If you aren’t able to travel during the month of September, then book flights to Buffalo from San Antonio during January instead. Flights to Buffalo in January, while not as cheap as those in September, still average around $361.

How have San Antonio to Buffalo flight prices changed over time?

As of July 2026, prices for San Antonio to Buffalo flights are approximately 29% 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 07m

Direct flights

None
The fastest flight from San Antonio to Buffalo takes 5h 07m
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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Frequently asked questions about flying from San Antonio to Buffalo

  • 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 07m.

  • 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
DeltaPriceFrom $289Free CancellationRating
7.8
8,473 reviews
Search Delta flights
American AirlinesPriceFrom $298Free CancellationRating
7.1
11,832 reviews
Search American Airlines flights
United AirlinesPriceFrom $350Free CancellationRating
7.4
10,011 reviews
Search United Airlines flights
SouthwestPriceFrom $369Free CancellationRating
8.0
4,239 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
Williamsville
Orchard Park
Grand Island
Bowmansville
West Seneca
Lockport
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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