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Cheap flights from San Antonio to Buffalo from $157

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.
American Airlines Logo
3:09 pm - 11:59 pmSAT  San Antonio-BUF Buffalo
7h 50m1 stop Chicago O'Hare Intl
American Airlines Logo
11:38 am - 5:10 pmBUF  Buffalo-SAT San Antonio
6h 32m1 stop Charlotte Douglas
$313American Airlines
Wed, Oct 21 - Sat, Oct 24
Delta Logo
4:00 pm - 11:59 pmSAT  San Antonio-BUF Buffalo
6h 59m1 stop Detroit Metropolitan Wayne County
Delta Logo
3:53 pm - 10:20 pmBUF  Buffalo-SAT San Antonio
7h 27m1 stop Detroit Metropolitan Wayne County
$313Delta
Tue, Oct 20 - Sat, Oct 24
American Airlines Logo
9:09 am - 6:01 pmSAT  San Antonio-BUF Buffalo
7h 52m1 stop Charlotte Douglas
American Airlines Logo
8:00 am - 3:38 pmBUF  Buffalo-SAT San Antonio
8h 38m2 stops Chicago O'Hare Intl Dallas/Fort Worth
$318American Airlines
Tue, Oct 20 - Sat, Oct 24
Delta Logo
4:36 pm - 12:05 amSAT  San Antonio-BUF Buffalo
6h 29m1 stop Atlanta Hartsfield-Jackson
Delta Logo
12:11 pm - 8:00 pmBUF  Buffalo-SAT San Antonio
8h 49m1 stop Atlanta Hartsfield-Jackson
$341Delta
Fri, Dec 11 - Mon, Dec 14
Southwest Logo
1:00 pm - 9:55 pmSAT  San Antonio-BUF Buffalo
7h 55m2 stops Dallas Love Field Baltimore/Washington
Southwest Logo
4:55 pm - 10:25 pmBUF  Buffalo-SAT San Antonio
6h 30m1 stop Denver Intl
$374Southwest
Fri, Dec 4 - Fri, Dec 11
Southwest Logo
1:00 pm - 9:55 pmSAT  San Antonio-BUF Buffalo
7h 55m2 stops Dallas Love Field Baltimore/Washington
Southwest Logo
4:00 pm - 11:25 pmBUF  Buffalo-SAT San Antonio
8h 25m2 stops Chicago Midway Dallas Love Field
$379Southwest
Fri, Dec 4 - Fri, Dec 11
United Airlines Logo
6:37 am - 1:16 pmSAT  San Antonio-BUF Buffalo
5h 39m1 stop Chicago O'Hare Intl
United Airlines Logo
5:58 pm - 11:35 pmBUF  Buffalo-SAT San Antonio
6h 37m1 stop Chicago O'Hare Intl
$403United Airlines
Tue, Oct 27 - Wed, Oct 28
United Airlines Logo
11:45 am - 10:59 pmSAT  San Antonio-BUF Buffalo
10h 14m2 stops Houston George Bush Intcntl Newark
United Airlines Logo
6:30 am - 12:24 pmBUF  Buffalo-SAT San Antonio
6h 54m1 stop Chicago O'Hare Intl
$408United Airlines
Tue, Oct 27 - Wed, Oct 28
Frontier Logo
12:06 pm - 8:24 pmSAT  San Antonio-BUF Buffalo
7h 18m1 stop Orlando
Frontier Logo
9:20 pm - 11:11 amBUF  Buffalo-SAT San Antonio
14h 51m1 stop Orlando
$430Frontier
Mon, Nov 23 - Sun, Nov 29
Frontier Logo
10:03 am - 12:59 pmSAT  San Antonio-BUF Buffalo
25h 56m2 stops Orlando Atlanta Hartsfield-Jackson
Frontier Logo
12:53 pm - 9:08 amBUF  Buffalo-SAT San Antonio
21h 15m1 stop Orlando
$433Frontier
Fri, Oct 23 - Sun, Oct 25

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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
Oct 27
SAT6:37 amSan Antonio
5h 39m
1 stop
BUF1:16 pmBuffalo
Oct 28
BUF5:58 pmBuffalo
6h 37m
1 stop
SAT11:35 pmSan Antonio
$403
United Airlines
Oct 27
SAT6:37 amSan Antonio
5h 39m
1 stop
BUF1:16 pmBuffalo
Oct 28
BUF10:51 amBuffalo
11h 35m
2 stops
SAT9:26 pmSan Antonio
$408
United Airlines
Oct 27
SAT11:45 amSan Antonio
10h 14m
2 stops
BUF10:59 pmBuffalo
Oct 28
BUF6:00 amBuffalo
10h 38m
2 stops
SAT3:38 pmSan Antonio
$413

American Airlines flights from San Antonio to Buffalo

Our best American Airlines deals on San Antonio to Buffalo flight tickets
American Airlines
Oct 20
SAT9:09 amSan Antonio
7h 52m
1 stop
BUF6:01 pmBuffalo
Oct 24
BUF8:00 amBuffalo
8h 38m
2 stops
SAT3:38 pmSan Antonio
$318
American Airlines
Oct 20
SAT3:00 pmSan Antonio
7h 59m
2 stops
BUF11:59 pmBuffalo
Oct 24
BUF8:00 amBuffalo
8h 38m
2 stops
SAT3:38 pmSan Antonio
$351
American Airlines
Nov 24
SAT2:54 pmSan Antonio
7h 45m
2 stops
BUF11:39 pmBuffalo
Dec 1
BUF6:40 pmBuffalo
6h 53m
1 stop
SAT12:33 amSan Antonio
$367

momondo Fare Finder

 
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 San Antonio - BUF Buffalo

SATBUF

San Antonio

Wed 10/21

3:09 pm-11:59 pm

1 stop7h 50m

Buffalo

Sat 10/24

11:38 am-5:10 pm

1 stop6h 32m

$313

San AntonioBuffalo

SAT San Antonio - BUF Buffalo

SATBUF

San Antonio

Tue 10/20

4:00 pm-11:59 pm

1 stop6h 59m

Buffalo

Sat 10/24

3:53 pm-10:20 pm

1 stop7h 27m

$313

San AntonioBuffalo

SAT San Antonio - BUF Buffalo

SATBUF

San Antonio

Tue 10/20

9:09 am-6:01 pm

1 stop7h 52m

Buffalo

Sat 10/24

8:00 am-3:38 pm

2 stops8h 38m

$318

San AntonioBuffalo

SAT San Antonio - BUF Buffalo

SATBUF

San Antonio

Fri 12/11

4:36 pm-12:05 am

1 stop6h 29m

Buffalo

Mon 12/14

12:11 pm-8:00 pm

1 stop8h 49m

$341

San AntonioBuffalo

SAT San Antonio - BUF Buffalo

SATBUF

San Antonio

Fri 12/4

1:00 pm-9:55 pm

2 stops7h 55m

Buffalo

Fri 12/11

4:55 pm-10:25 pm

1 stop6h 30m

$374

San AntonioBuffalo

SAT San Antonio - BUF Buffalo

SATBUF

San Antonio

Fri 12/4

1:00 pm-9:55 pm

2 stops7h 55m

Buffalo

Fri 12/11

4:00 pm-11:25 pm

2 stops8h 25m

$379
Quickest round-trip

San AntonioBuffalo

SAT San Antonio - BUF Buffalo

SATBUF

San Antonio

Tue 10/27

6:37 am-1:16 pm

1 stop5h 39m

Buffalo

Wed 10/28

5:58 pm-11:35 pm

1 stop6h 37m

$403

San AntonioBuffalo

SAT San Antonio - BUF Buffalo

SATBUF

San Antonio

Tue 10/27

11:45 am-10:59 pm

2 stops10h 14m

Buffalo

Wed 10/28

6:30 am-12:24 pm

1 stop6h 54m

$408

San AntonioBuffalo

SAT San Antonio - BUF Buffalo

SATBUF

San Antonio

Mon 11/23

12:06 pm-8:24 pm

1 stop7h 18m

Buffalo

Sun 11/29

9:20 pm-11:11 am

1 stop14h 51m

$430

San AntonioBuffalo

SAT San Antonio - BUF Buffalo

SATBUF

San Antonio

Fri 10/23

10:03 am-12:59 pm

2 stops25h 56m

Buffalo

Sun 10/25

12:53 pm-9:08 am

1 stop21h 15m

$433

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 January, then book flights to Buffalo from San Antonio during May instead. Flights to Buffalo in May, while not as cheap as those in January, still average around $386.

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

As of September 2026, prices for San Antonio to Buffalo flights are approximately 97% 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

Best Price Found

$157

Fastest flight time

5h 20m

Direct flights

None
The best one-way flight to Buffalo from San Antonio in the past 72 hours is $157. The best round-trip flight deal from San Antonio to Buffalo found on momondo in the last 72 hours is $313.
The fastest flight from San Antonio to Buffalo takes 5h 20m
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 20m.

  • 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 $290Free CancellationRating
7.8
8,554 reviews
Search Delta flights
United AirlinesPriceFrom $330Free CancellationRating
7.4
10,190 reviews
Search United Airlines flights
American AirlinesPriceFrom $354Free CancellationRating
7.1
12,045 reviews
Search American Airlines flights
SouthwestPriceFrom $369Free CancellationRating
8.0
4,195 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
Williamsville
Tonawanda
Bowmansville
Orchard Park
West Seneca
Grand Island
Lockport
East Aurora
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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