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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.
Southwest Logo
2:45 pm - 10:00 pmSAT  San Antonio-BUF Buffalo
6h 15m1 stop Baltimore/Washington
Southwest Logo
5:30 pm - 10:55 pmBUF  Buffalo-SAT San Antonio
6h 25m1 stop Baltimore/Washington
$351Southwest
Thu, Nov 19 - Sun, Nov 22
Delta Logo
5:20 am - 11:27 amSAT  San Antonio-BUF Buffalo
5h 07m1 stop Detroit Metropolitan Wayne County
Delta Logo
6:00 am - 1:22 pmBUF  Buffalo-SAT San Antonio
8h 22m1 stop Atlanta Hartsfield-Jackson
$351Delta
Sun, Dec 20 - Wed, Jan 6
Delta Logo
4:05 pm - 12:02 amSAT  San Antonio-BUF Buffalo
6h 57m1 stop Detroit Metropolitan Wayne County
Delta Logo
6:00 am - 1:22 pmBUF  Buffalo-SAT San Antonio
8h 22m1 stop Atlanta Hartsfield-Jackson
$351Delta
Sun, Dec 20 - Tue, Jan 5
Southwest Logo
10:45 am - 10:30 pmSAT  San Antonio-BUF Buffalo
10h 45m1 stop Tampa
Southwest Logo
6:30 pm - 12:55 amBUF  Buffalo-SAT San Antonio
7h 25m1 stop Orlando
$382Southwest
Fri, Dec 18 - Mon, Dec 21
American Airlines Logo
3:27 pm - 11:28 pmSAT  San Antonio-BUF Buffalo
7h 01m1 stop Chicago O'Hare Intl
American Airlines Logo
1:13 pm - 7:48 pmBUF  Buffalo-SAT San Antonio
7h 35m1 stop Charlotte Douglas
$409American Airlines
Sat, Jan 16 - Tue, Jan 19
American Airlines Logo
5:00 am - 3:31 pmSAT  San Antonio-BUF Buffalo
9h 31m2 stops Dallas/Fort Worth Washington, D.C. Reagan-National
American Airlines Logo
1:13 pm - 7:48 pmBUF  Buffalo-SAT San Antonio
7h 35m1 stop Charlotte Douglas
$414American Airlines
Sat, Jan 16 - Tue, Jan 19
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
$423Frontier
Mon, Nov 23 - Sun, Nov 29
United Airlines Logo
11:45 am - 8:36 pmSAT  San Antonio-BUF Buffalo
7h 51m2 stops Houston George Bush Intcntl Chicago O'Hare Intl
United Airlines Logo
5:58 pm - 11:34 pmBUF  Buffalo-SAT San Antonio
6h 36m1 stop Chicago O'Hare Intl
$460United Airlines
Thu, Oct 29 - Tue, Nov 3
United Airlines Logo
5:30 am - 2:20 pmSAT  San Antonio-BUF Buffalo
7h 50m2 stops Houston George Bush Intcntl Washington, D.C. Dulles Intl
United Airlines Logo
6:00 am - 1:16 pmBUF  Buffalo-SAT San Antonio
8h 16m2 stops Washington, D.C. Dulles Intl Houston George Bush Intcntl
$505United Airlines
Wed, Oct 28 - Tue, Nov 3
Frontier Logo
8:28 pm - 8:24 pmSAT  San Antonio-BUF Buffalo
22h 56m2 stops Denver Intl Orlando
Frontier Logo
9:20 pm - 11:11 amBUF  Buffalo-SAT San Antonio
14h 51m1 stop Orlando
$603Frontier
Mon, Nov 23 - Sun, Nov 29

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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 28
SAT5:30 amSan Antonio
7h 50m
2 stops
BUF2:20 pmBuffalo
Nov 3
BUF6:00 amBuffalo
8h 16m
2 stops
SAT1:16 pmSan Antonio
$505
United Airlines
Dec 20
SAT1:54 pmSan Antonio
5h 53m
1 stop
BUF8:47 pmBuffalo
Jan 6
BUF10:15 amBuffalo
10h 03m
2 stops
SAT7:18 pmSan Antonio
$510
United Airlines
Dec 20
SAT6:45 amSan Antonio
11h 20m
2 stops
BUF7:05 pmBuffalo
Jan 5
BUF5:43 pmBuffalo
6h 23m
1 stop
SAT11:06 pmSan Antonio
$530

Southwest flights from San Antonio to Buffalo

Our best Southwest deals on San Antonio to Buffalo flight tickets
Southwest
Dec 18
SAT10:45 amSan Antonio
10h 45m
1 stop
BUF10:30 pmBuffalo
Dec 21
BUF6:30 pmBuffalo
7h 25m
1 stop
SAT12:55 amSan Antonio
$382
Southwest
Dec 18
SAT10:45 amSan Antonio
10h 45m
1 stop
BUF10:30 pmBuffalo
Dec 21
BUF5:40 pmBuffalo
8h 15m
2 stops
SAT12:55 amSan Antonio
$387
Southwest
Nov 23
SAT12:25 pmSan Antonio
7h 50m
2 stops
BUF9:15 pmBuffalo
Dec 1
BUF5:00 pmBuffalo
7h 10m
1 stop
SAT11:10 pmSan Antonio
$418

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
Quickest round-trip

San AntonioBuffalo

SAT San Antonio - BUF Buffalo

SATBUF

San Antonio

Thu 11/19

2:45 pm-10:00 pm

1 stop6h 15m

Buffalo

Sun 11/22

5:30 pm-10:55 pm

1 stop6h 25m

$351

San AntonioBuffalo

SAT San Antonio - BUF Buffalo

SATBUF

San Antonio

Sun 12/20

5:20 am-11:27 am

1 stop5h 07m

Buffalo

Wed 1/6

6:00 am-1:22 pm

1 stop8h 22m

$351

San AntonioBuffalo

SAT San Antonio - BUF Buffalo

SATBUF

San Antonio

Sun 12/20

4:05 pm-12:02 am

1 stop6h 57m

Buffalo

Tue 1/5

6:00 am-1:22 pm

1 stop8h 22m

$351

San AntonioBuffalo

SAT San Antonio - BUF Buffalo

SATBUF

San Antonio

Fri 12/18

10:45 am-10:30 pm

1 stop10h 45m

Buffalo

Mon 12/21

6:30 pm-12:55 am

1 stop7h 25m

$382

San AntonioBuffalo

SAT San Antonio - BUF Buffalo

SATBUF

San Antonio

Sat 1/16

3:27 pm-11:28 pm

1 stop7h 01m

Buffalo

Tue 1/19

1:13 pm-7:48 pm

1 stop7h 35m

$409

San AntonioBuffalo

SAT San Antonio - BUF Buffalo

SATBUF

San Antonio

Sat 1/16

5:00 am-3:31 pm

2 stops9h 31m

Buffalo

Tue 1/19

1:13 pm-7:48 pm

1 stop7h 35m

$414

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

$423

San AntonioBuffalo

SAT San Antonio - BUF Buffalo

SATBUF

San Antonio

Thu 10/29

11:45 am-8:36 pm

2 stops7h 51m

Buffalo

Tue 11/3

5:58 pm-11:34 pm

1 stop6h 36m

$460

San AntonioBuffalo

SAT San Antonio - BUF Buffalo

SATBUF

San Antonio

Wed 10/28

5:30 am-2:20 pm

2 stops7h 50m

Buffalo

Tue 11/3

6:00 am-1:16 pm

2 stops8h 16m

$505

San AntonioBuffalo

SAT San Antonio - BUF Buffalo

SATBUF

San Antonio

Mon 11/23

8:28 pm-8:24 pm

2 stops22h 56m

Buffalo

Sun 11/29

9:20 pm-11:11 am

1 stop14h 51m

$603

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?

Prices are currently low for flights on this route.

Typical prices usually range from $405 to $475.
The lowest price recently found on this route was $351.

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 October 2026, prices for San Antonio to Buffalo flights are approximately 19% 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

Best Price Found

$157

Fastest flight time

5h 07m

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 $351.
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.
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 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 $312Free CancellationRating
7.8
8,657 reviews
Search Delta flights
United AirlinesPriceFrom $330Free CancellationRating
7.4
10,370 reviews
Search United Airlines flights
American AirlinesPriceFrom $354Free CancellationRating
7.0
12,171 reviews
Search American Airlines flights
SouthwestPriceFrom $369Free CancellationRating
7.9
4,219 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
Lockport
West Seneca
Orchard Park
Grand Island
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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