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Cheap flights from San Antonio to Buffalo from $115

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 9/7. 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.
Multiple Airlines Logo
9:51 am - 9:23 amSAT  San Antonio-BUF Buffalo
22h 32m1 stop Orlando
Multiple Airlines Logo
9:29 pm - 4:13 pmBUF  Buffalo-SAT San Antonio
19h 44m2 stops Orlando Pensacola
$299Multiple Airlines
Mon, Aug 31 - Tue, Sep 1
Frontier Logo
9:51 am - 9:23 amSAT  San Antonio-BUF Buffalo
22h 32m1 stop Orlando
Frontier Logo
9:29 pm - 8:56 amBUF  Buffalo-SAT San Antonio
12h 27m1 stop Orlando
$308Frontier
Mon, Aug 31 - Thu, Sep 3
Delta Logo
3:00 pm - 11:09 pmSAT  San Antonio-BUF Buffalo
7h 09m1 stop Detroit Metropolitan Wayne County
Delta Logo
6:40 am - 1:59 pmBUF  Buffalo-SAT San Antonio
8h 19m1 stop Detroit Metropolitan Wayne County
$313Delta
Sat, Sep 5 - Sun, Sep 6
United Airlines Logo
11:34 am - 9:07 pmSAT  San Antonio-BUF Buffalo
8h 33m2 stops Houston George Bush Intcntl Chicago O'Hare Intl
United Airlines Logo
5:58 pm - 10:50 pmBUF  Buffalo-SAT San Antonio
5h 52m1 stop Chicago O'Hare Intl
$318United Airlines
Sat, Sep 5 - Sun, Sep 6
Delta Logo
5:30 am - 2:51 pmSAT  San Antonio-BUF Buffalo
8h 21m1 stop Atlanta Hartsfield-Jackson
Delta Logo
9:04 am - 3:53 pmBUF  Buffalo-SAT San Antonio
7h 49m1 stop Detroit Metropolitan Wayne County
$321Delta
Tue, Sep 22 - Fri, Sep 25
Southwest Logo
5:30 am - 12:05 pmSAT  San Antonio-BUF Buffalo
5h 35m1 stop Baltimore/Washington
Southwest Logo
2:40 pm - 9:40 pmBUF  Buffalo-SAT San Antonio
8h 00m1 stop Denver Intl
$335Southwest
Fri, Dec 4 - Mon, Dec 7
American Airlines Logo
12:15 pm - 9:47 pmSAT  San Antonio-BUF Buffalo
8h 32m1 stop Charlotte Douglas
American Airlines Logo
6:56 pm - 11:55 pmBUF  Buffalo-SAT San Antonio
5h 59m1 stop Chicago O'Hare Intl
$349American Airlines
Thu, Sep 10 - Sat, Sep 12
United Airlines Logo
1:00 pm - 9:07 pmSAT  San Antonio-BUF Buffalo
7h 07m1 stop Chicago O'Hare Intl
United Airlines Logo
10:33 am - 5:44 pmBUF  Buffalo-SAT San Antonio
8h 11m2 stops Washington, D.C. Dulles Intl Houston George Bush Intcntl
$354United Airlines
Thu, Sep 10 - Sat, Sep 12
American Airlines Logo
12:36 pm - 9:56 pmSAT  San Antonio-BUF Buffalo
8h 20m2 stops Dallas/Fort Worth Washington, D.C. Reagan-National
American Airlines Logo
5:11 am - 11:49 amBUF  Buffalo-SAT San Antonio
7h 38m2 stops Chicago O'Hare Intl Dallas/Fort Worth
$366American Airlines
Sat, Sep 5 - Sun, Sep 6
Southwest Logo
6:45 am - 3:15 pmSAT  San Antonio-BUF Buffalo
7h 30m2 stops Dallas Love Field Nashville Intl
Southwest Logo
2:40 pm - 9:40 pmBUF  Buffalo-SAT San Antonio
8h 00m1 stop Denver Intl
$381Southwest
Fri, Dec 4 - Mon, Dec 7

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Southwest flights from San Antonio to Buffalo

Our best Southwest deals on San Antonio to Buffalo flight tickets
Southwest
Dec 4
SAT5:30 amSan Antonio
5h 35m
1 stop
BUF12:05 pmBuffalo
Dec 7
BUF2:40 pmBuffalo
8h 00m
1 stop
SAT9:40 pmSan Antonio
$335
Southwest
Dec 4
SAT6:45 amSan Antonio
7h 30m
2 stops
BUF3:15 pmBuffalo
Dec 7
BUF2:40 pmBuffalo
8h 00m
1 stop
SAT9:40 pmSan Antonio
$381
Southwest
Oct 1
SAT3:20 pmSan Antonio
7h 20m
2 stops
BUF11:40 pmBuffalo
Oct 24
BUF12:30 pmBuffalo
9h 05m
2 stops
SAT8:35 pmSan Antonio
$444

Delta flights from San Antonio to Buffalo

Our best Delta deals on San Antonio to Buffalo flight tickets
Delta
Sep 5
SAT3:00 pmSan Antonio
7h 09m
1 stop
BUF11:09 pmBuffalo
Sep 6
BUF6:40 amBuffalo
8h 19m
1 stop
SAT1:59 pmSan Antonio
$313
Delta
Sep 22
SAT5:30 amSan Antonio
8h 21m
1 stop
BUF2:51 pmBuffalo
Sep 25
BUF9:04 amBuffalo
7h 49m
1 stop
SAT3:53 pmSan Antonio
$321
Delta
Sep 10
SAT4:00 pmSan Antonio
5h 35m
1 stop
BUF10:35 pmBuffalo
Sep 16
BUF6:59 pmBuffalo
6h 09m
1 stop
SAT12:08 amSan Antonio
$349

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 August 11, 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 San Antonio - BUF Buffalo

SATBUF

San Antonio

Mon 8/31

9:51 am-9:23 am

1 stop22h 32m

Buffalo

Tue 9/1

9:29 pm-4:13 pm

2 stops19h 44m

$299

San AntonioBuffalo

SAT San Antonio - BUF Buffalo

SATBUF

San Antonio

Mon 8/31

9:51 am-9:23 am

1 stop22h 32m

Buffalo

Thu 9/3

9:29 pm-8:56 am

1 stop12h 27m

$308

San AntonioBuffalo

SAT San Antonio - BUF Buffalo

SATBUF

San Antonio

Sat 9/5

3:00 pm-11:09 pm

1 stop7h 09m

Buffalo

Sun 9/6

6:40 am-1:59 pm

1 stop8h 19m

$313

San AntonioBuffalo

SAT San Antonio - BUF Buffalo

SATBUF

San Antonio

Sat 9/5

11:34 am-9:07 pm

2 stops8h 33m

Buffalo

Sun 9/6

5:58 pm-10:50 pm

1 stop5h 52m

$318

San AntonioBuffalo

SAT San Antonio - BUF Buffalo

SATBUF

San Antonio

Tue 9/22

5:30 am-2:51 pm

1 stop8h 21m

Buffalo

Fri 9/25

9:04 am-3:53 pm

1 stop7h 49m

$321
Quickest round-trip

San AntonioBuffalo

SAT San Antonio - BUF Buffalo

SATBUF

San Antonio

Fri 12/4

5:30 am-12:05 pm

1 stop5h 35m

Buffalo

Mon 12/7

2:40 pm-9:40 pm

1 stop8h 00m

$335

San AntonioBuffalo

SAT San Antonio - BUF Buffalo

SATBUF

San Antonio

Thu 9/10

12:15 pm-9:47 pm

1 stop8h 32m

Buffalo

Sat 9/12

6:56 pm-11:55 pm

1 stop5h 59m

$349

San AntonioBuffalo

SAT San Antonio - BUF Buffalo

SATBUF

San Antonio

Thu 9/10

1:00 pm-9:07 pm

1 stop7h 07m

Buffalo

Sat 9/12

10:33 am-5:44 pm

2 stops8h 11m

$354

San AntonioBuffalo

SAT San Antonio - BUF Buffalo

SATBUF

San Antonio

Sat 9/5

12:36 pm-9:56 pm

2 stops8h 20m

Buffalo

Sun 9/6

5:11 am-11:49 am

2 stops7h 38m

$366

San AntonioBuffalo

SAT San Antonio - BUF Buffalo

SATBUF

San Antonio

Fri 12/4

6:45 am-3:15 pm

2 stops7h 30m

Buffalo

Mon 12/7

2:40 pm-9:40 pm

1 stop8h 00m

$381

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 $379 to $578.
The lowest price recently found on this route was $299.

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 $349.

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

As of August 2026, prices for San Antonio to Buffalo flights are approximately 9% 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

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.
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
8,505 reviews
Search Delta flights
American AirlinesPriceFrom $316Free CancellationRating
7.1
11,902 reviews
Search American Airlines flights
United AirlinesPriceFrom $330Free CancellationRating
7.4
10,103 reviews
Search United Airlines flights
SouthwestPriceFrom $369Free CancellationRating
8.0
4,221 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
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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