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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.
United Airlines Logo
1:00 pm - 9:07 pmSAT  San Antonio-BUF Buffalo
7h 07m1 stop Chicago O'Hare Intl
United Airlines Logo
6:00 am - 11:51 amBUF  Buffalo-SAT San Antonio
6h 51m1 stop Newark
$308United Airlines
Tue, Sep 15 - Wed, Sep 16
American Airlines Logo
6:05 am - 3:06 pmSAT  San Antonio-BUF Buffalo
8h 01m1 stop Charlotte Douglas
American Airlines Logo
4:48 pm - 11:59 pmBUF  Buffalo-SAT San Antonio
8h 11m1 stop Dallas/Fort Worth
$313American Airlines
Sat, Oct 17 - Tue, Oct 20
Delta Logo
5:00 pm - 11:59 pmSAT  San Antonio-BUF Buffalo
5h 59m1 stop Atlanta Hartsfield-Jackson
Delta Logo
9:01 am - 3:50 pmBUF  Buffalo-SAT San Antonio
7h 49m1 stop Detroit Metropolitan Wayne County
$313Delta
Sat, Oct 17 - Tue, Oct 20
Delta Logo
5:30 am - 2:53 pmSAT  San Antonio-BUF Buffalo
8h 23m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:15 am - 10:40 amBUF  Buffalo-SAT San Antonio
5h 25m1 stop Detroit Metropolitan Wayne County
$313Delta
Tue, Oct 13 - Thu, Oct 15
American Airlines Logo
7:10 am - 3:40 pmSAT  San Antonio-BUF Buffalo
7h 30m1 stop Charlotte Douglas
American Airlines Logo
4:47 pm - 10:50 pmBUF  Buffalo-SAT San Antonio
7h 03m1 stop Dallas/Fort Worth
$313American Airlines
Mon, Sep 14 - Tue, Sep 15
United Airlines Logo
1:07 pm - 11:44 pmSAT  San Antonio-BUF Buffalo
9h 37m2 stops Newark Washington, D.C. Dulles Intl
United Airlines Logo
5:57 pm - 10:51 pmBUF  Buffalo-SAT San Antonio
5h 54m1 stop Chicago O'Hare Intl
$318United Airlines
Mon, Sep 21 - Tue, Sep 22
Southwest Logo
5:15 am - 12:05 pmSAT  San Antonio-BUF Buffalo
5h 50m1 stop Baltimore/Washington
Southwest Logo
7:35 pm - 12:05 amBUF  Buffalo-SAT San Antonio
5h 30m1 stop Chicago Midway
$331Southwest
Tue, Oct 13 - Fri, Oct 23
Southwest Logo
7:25 am - 4:00 pmSAT  San Antonio-BUF Buffalo
7h 35m2 stops Lambert-St Louis Chicago Midway
Southwest Logo
5:00 pm - 11:05 pmBUF  Buffalo-SAT San Antonio
7h 05m1 stop Nashville Intl
$363Southwest
Mon, Dec 7 - Thu, Dec 10
Frontier Logo
9:51 am - 6:09 pmSAT  San Antonio-BUF Buffalo
7h 18m1 stop Orlando
Frontier Logo
9:29 pm - 8:56 amBUF  Buffalo-SAT San Antonio
12h 27m1 stop Orlando
$370Frontier
Sat, Sep 5 - Sun, Sep 6
Frontier Logo
8:20 pm - 12:55 pmSAT  San Antonio-BUF Buffalo
39h 35m2 stops Denver Intl Atlanta Hartsfield-Jackson
Frontier Logo
12:54 pm - 9:18 amBUF  Buffalo-SAT San Antonio
21h 24m1 stop Orlando
$376Frontier
Mon, Oct 5 - Thu, Oct 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
Sep 15
SAT1:00 pmSan Antonio
7h 07m
1 stop
BUF9:07 pmBuffalo
Sep 16
BUF6:00 amBuffalo
6h 51m
1 stop
SAT11:51 amSan Antonio
$308
United Airlines
Sep 14
SAT1:00 pmSan Antonio
9h 44m
2 stops
BUF11:44 pmBuffalo
Sep 16
BUF5:58 pmBuffalo
5h 53m
1 stop
SAT10:51 pmSan Antonio
$318
United Airlines
Sep 11
SAT1:00 pmSan Antonio
7h 07m
1 stop
BUF9:07 pmBuffalo
Sep 26
BUF7:00 amBuffalo
9h 53m
2 stops
SAT3:53 pmSan Antonio
$336

Delta flights from San Antonio to Buffalo

Our best Delta deals on San Antonio to Buffalo flight tickets
Delta
Sep 14
SAT5:30 amSan Antonio
8h 21m
1 stop
BUF2:51 pmBuffalo
Sep 17
BUF9:04 amBuffalo
7h 49m
1 stop
SAT3:53 pmSan Antonio
$313
Delta
Sep 22
SAT5:30 amSan Antonio
8h 21m
1 stop
BUF2:51 pmBuffalo
Sep 25
BUF6:59 pmBuffalo
6h 09m
1 stop
SAT12:08 amSan Antonio
$331
Delta
Sep 19
SAT5:00 pmSan Antonio
5h 52m
1 stop
BUF11:52 pmBuffalo
Sep 20
BUF6:20 amBuffalo
5h 19m
1 stop
SAT10:39 amSan Antonio
$385

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

Tue 9/15

1:00 pm-9:07 pm

1 stop7h 07m

Buffalo

Wed 9/16

6:00 am-11:51 am

1 stop6h 51m

$308

San AntonioBuffalo

SAT San Antonio - BUF Buffalo

SATBUF

San Antonio

Sat 10/17

6:05 am-3:06 pm

1 stop8h 01m

Buffalo

Tue 10/20

4:48 pm-11:59 pm

1 stop8h 11m

$313

San AntonioBuffalo

SAT San Antonio - BUF Buffalo

SATBUF

San Antonio

Sat 10/17

5:00 pm-11:59 pm

1 stop5h 59m

Buffalo

Tue 10/20

9:01 am-3:50 pm

1 stop7h 49m

$313

San AntonioBuffalo

SAT San Antonio - BUF Buffalo

SATBUF

San Antonio

Tue 10/13

5:30 am-2:53 pm

1 stop8h 23m

Buffalo

Thu 10/15

6:15 am-10:40 am

1 stop5h 25m

$313

San AntonioBuffalo

SAT San Antonio - BUF Buffalo

SATBUF

San Antonio

Mon 9/14

7:10 am-3:40 pm

1 stop7h 30m

Buffalo

Tue 9/15

4:47 pm-10:50 pm

1 stop7h 03m

$313

San AntonioBuffalo

SAT San Antonio - BUF Buffalo

SATBUF

San Antonio

Mon 9/21

1:07 pm-11:44 pm

2 stops9h 37m

Buffalo

Tue 9/22

5:57 pm-10:51 pm

1 stop5h 54m

$318
Quickest round-trip

San AntonioBuffalo

SAT San Antonio - BUF Buffalo

SATBUF

San Antonio

Tue 10/13

5:15 am-12:05 pm

1 stop5h 50m

Buffalo

Fri 10/23

7:35 pm-12:05 am

1 stop5h 30m

$331

San AntonioBuffalo

SAT San Antonio - BUF Buffalo

SATBUF

San Antonio

Mon 12/7

7:25 am-4:00 pm

2 stops7h 35m

Buffalo

Thu 12/10

5:00 pm-11:05 pm

1 stop7h 05m

$363

San AntonioBuffalo

SAT San Antonio - BUF Buffalo

SATBUF

San Antonio

Sat 9/5

9:51 am-6:09 pm

1 stop7h 18m

Buffalo

Sun 9/6

9:29 pm-8:56 am

1 stop12h 27m

$370

San AntonioBuffalo

SAT San Antonio - BUF Buffalo

SATBUF

San Antonio

Mon 10/5

8:20 pm-12:55 pm

2 stops39h 35m

Buffalo

Thu 10/29

12:54 pm-9:18 am

1 stop21h 24m

$376

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 $352 to $506.
The lowest price recently found on this route was $308.

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 September instead. Flights to Buffalo in September, while not as cheap as those in January, still average around $368.

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

As of August 2026, prices for San Antonio to Buffalo flights are approximately 15% 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 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 $308.
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 $289Free CancellationRating
7.8
8,529 reviews
Search Delta flights
United AirlinesPriceFrom $330Free CancellationRating
7.4
10,121 reviews
Search United Airlines flights
American AirlinesPriceFrom $354Free CancellationRating
7.1
11,994 reviews
Search American Airlines flights
SouthwestPriceFrom $369Free CancellationRating
8.0
4,205 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
Orchard Park
Grand Island
Bowmansville
West Seneca
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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