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Cheap flights from San Antonio to Buffalo from $131

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 7/25. 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 - 7:06 pm
SAT
-
BUF
8h 15m
1 stop
Frontier Logo
9:33 pm - 8:56 am
BUF
-
SAT
12h 23m
1 stop
$256Frontier
Mon, Aug 10 - Thu, Aug 13
Frontier Logo
9:51 am - 9:23 am
SAT
-
BUF
22h 32m
1 stop
Frontier Logo
9:29 pm - 8:56 am
BUF
-
SAT
12h 27m
1 stop
$264Frontier
Sat, Aug 22 - Sun, Aug 30
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
$268Frontier
Mon, Aug 10 - Thu, Aug 13
Frontier Logo
9:51 am - 9:23 am
SAT
-
BUF
22h 32m
1 stop
Frontier Logo
9:29 pm - 8:56 am
BUF
-
SAT
12h 27m
1 stop
$274Frontier
Sat, Aug 22 - Sun, Aug 30
Frontier Logo
4:26 pm - 4:32 pm
SAT
-
BUF
23h 06m
1 stop
Frontier Logo
9:33 pm - 8:56 am
BUF
-
SAT
12h 23m
1 stop
$275Frontier
Sat, Aug 1 - Sun, Aug 9
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
$288Frontier
Fri, Aug 14 - Sun, Aug 16
Frontier Logo
9:51 am - 7:06 pm
SAT
-
BUF
8h 15m
1 stop
Frontier Logo
7:57 pm - 3:41 pm
BUF
-
SAT
20h 44m
1 stop
$294Frontier
Mon, Aug 10 - Fri, Aug 14
American Airlines Logo
7:05 am - 2:26 pm
SAT
-
BUF
6h 21m
1 stop
American Airlines Logo
6:09 pm - 12:48 am
BUF
-
SAT
7h 39m
1 stop
$313American Airlines
Wed, Aug 5 - Wed, Aug 12
Southwest Logo
2:55 pm - 9:50 pm
SAT
-
BUF
5h 55m
1 stop
Southwest Logo
12:00 pm - 6:00 pm
BUF
-
SAT
7h 00m
1 stop
$328Southwest
Thu, Sep 10 - Tue, Sep 15
Southwest Logo
12:20 pm - 9:50 pm
SAT
-
BUF
8h 30m
2 stops
Southwest Logo
6:25 pm - 11:10 pm
BUF
-
SAT
5h 45m
1 stop
$333Southwest
Thu, Sep 10 - Tue, Sep 15

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United Airlines flights from San Antonio to Buffalo

Our best United Airlines deals on San Antonio to Buffalo flight tickets
United Airlines
Aug 25
SAT1:00 pmSan Antonio
9h 12m
1 stop
BUF11:12 pmBuffalo
Aug 26
BUF6:55 amBuffalo
5h 57m
1 stop
SAT11:52 amSan Antonio
$403
United Airlines
Aug 11
SAT12:15 pmSan Antonio
5h 45m
1 stop
BUF7:00 pmBuffalo
Aug 12
BUF10:30 amBuffalo
11h 46m
2 stops
SAT9:16 pmSan Antonio
$408
United Airlines
Aug 25
SAT6:30 amSan Antonio
11h 30m
2 stops
BUF7:00 pmBuffalo
Aug 26
BUF2:53 pmBuffalo
8h 57m
2 stops
SAT10:50 pmSan Antonio
$413

Delta flights from San Antonio to Buffalo

Our best Delta deals on San Antonio to Buffalo flight tickets
Delta
Aug 11
SAT7:55 amSan Antonio
6h 11m
1 stop
BUF3:06 pmBuffalo
Aug 13
BUF3:54 pmBuffalo
7h 40m
1 stop
SAT10:34 pmSan Antonio
$344
Delta
Aug 11
SAT6:25 amSan Antonio
7h 41m
1 stop
BUF3:06 pmBuffalo
Aug 15
BUF6:05 amBuffalo
8h 33m
1 stop
SAT1:38 pmSan Antonio
$376
Delta
Jul 26
SAT4:15 pmSan Antonio
6h 44m
1 stop
BUF11:59 pmBuffalo
Jul 29
BUF6:00 amBuffalo
6h 09m
1 stop
SAT11:09 amSan Antonio
$380

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 June 27, 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

Mon 8/10

9:51 am-7:06 pm

1 stop8h 15m

Buffalo

Thu 8/13

9:33 pm-8:56 am

1 stop12h 23m

$256

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Sat 8/22

9:51 am-9:23 am

1 stop22h 32m

Buffalo

Sun 8/30

9:29 pm-8:56 am

1 stop12h 27m

$264

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Mon 8/10

9:51 am-7:06 pm

1 stop8h 15m

Buffalo

Thu 8/13

9:33 pm-8:56 am

1 stop12h 23m

$268

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Sat 8/22

9:51 am-9:23 am

1 stop22h 32m

Buffalo

Sun 8/30

9:29 pm-8:56 am

1 stop12h 27m

$274

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Sat 8/1

4:26 pm-4:32 pm

1 stop23h 06m

Buffalo

Sun 8/9

9:33 pm-8:56 am

1 stop12h 23m

$275

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

$288

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Mon 8/10

9:51 am-7:06 pm

1 stop8h 15m

Buffalo

Fri 8/14

7:57 pm-3:41 pm

1 stop20h 44m

$294

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Wed 8/5

7:05 am-2:26 pm

1 stop6h 21m

Buffalo

Wed 8/12

6:09 pm-12:48 am

1 stop7h 39m

$313
Quickest round-trip

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Thu 9/10

2:55 pm-9:50 pm

1 stop5h 55m

Buffalo

Tue 9/15

12:00 pm-6:00 pm

1 stop7h 00m

$328

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Thu 9/10

12:20 pm-9:50 pm

2 stops8h 30m

Buffalo

Tue 9/15

6:25 pm-11:10 pm

1 stop5h 45m

$333

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 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 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 have San Antonio to Buffalo flight prices changed over time?

As of June 2026, prices for San Antonio to Buffalo flights are approximately 63% 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 22m

Direct flights

None
The fastest flight from San Antonio to Buffalo takes 5h 22m
There are no direct flights from San Antonio to Buffalo. There are no popular flight routes from San Antonio to Buffalo.
Search flight deals

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 22m.

  • 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
7.1
11,779 reviews
Search American Airlines flights
DeltaPriceFrom $256Free CancellationRating
7.8
8,451 reviews
Search Delta flights
United AirlinesPriceFrom $350Free CancellationRating
7.4
9,896 reviews
Search United Airlines flights
SouthwestPriceFrom $369Free CancellationRating
7.9
4,246 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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