Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from San Antonio to Buffalo from $121

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.
Frontier Logo
9:51 am - 9:23 amSAT  San Antonio-BUF Buffalo
22h 32m1 stop Orlando
Frontier Logo
6:54 pm - 8:56 amBUF  Buffalo-SAT San Antonio
15h 02m1 stop Orlando
$257Frontier
Mon, Aug 24 - Fri, Aug 28
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
$321Frontier
Fri, Sep 4 - Sun, Sep 6
Delta Logo
1:20 pm - 12:12 amSAT  San Antonio-BUF Buffalo
9h 52m1 stop New York John F Kennedy Intl
Delta Logo
6:59 pm - 12:08 amBUF  Buffalo-SAT San Antonio
6h 09m1 stop Atlanta Hartsfield-Jackson
$331Delta
Fri, Sep 11 - Thu, Sep 17
Delta Logo
8:00 am - 4:03 pmSAT  San Antonio-BUF Buffalo
7h 03m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:59 pm - 12:08 amBUF  Buffalo-SAT San Antonio
6h 09m1 stop Atlanta Hartsfield-Jackson
$331Delta
Fri, Sep 11 - Mon, Sep 21
United Airlines Logo
12:55 pm - 9:07 pmSAT  San Antonio-BUF Buffalo
7h 12m1 stop Chicago O'Hare Intl
United Airlines Logo
6:00 am - 11:51 amBUF  Buffalo-SAT San Antonio
6h 51m1 stop Newark
$344United Airlines
Mon, Aug 31 - Tue, Sep 1
United Airlines Logo
1:00 pm - 11:12 pmSAT  San Antonio-BUF Buffalo
9h 12m1 stop Newark
United Airlines Logo
6:55 am - 11:52 amBUF  Buffalo-SAT San Antonio
5h 57m1 stop Chicago O'Hare Intl
$344United Airlines
Wed, Sep 2 - Thu, Sep 3
Southwest Logo
6:30 am - 2:20 pmSAT  San Antonio-BUF Buffalo
6h 50m1 stop Baltimore/Washington
Southwest Logo
3:55 pm - 9:35 pmBUF  Buffalo-SAT San Antonio
6h 40m1 stop Baltimore/Washington
$349Southwest
Tue, Sep 22 - Thu, Sep 24
American Airlines Logo
2:35 pm - 10:10 pmSAT  San Antonio-BUF Buffalo
6h 35m1 stop Chicago O'Hare Intl
American Airlines Logo
7:59 am - 2:10 pmBUF  Buffalo-SAT San Antonio
7h 11m1 stop Chicago O'Hare Intl
$349American Airlines
Tue, Sep 22 - Thu, Sep 24
American Airlines Logo
3:02 pm - 10:10 pmSAT  San Antonio-BUF Buffalo
6h 08m1 stop Chicago O'Hare Intl
American Airlines Logo
6:56 pm - 11:55 pmBUF  Buffalo-SAT San Antonio
5h 59m1 stop Chicago O'Hare Intl
$349American Airlines
Thu, Sep 17 - Tue, Sep 22
Southwest Logo
9:20 am - 5:45 pmSAT  San Antonio-BUF Buffalo
7h 25m2 stops Dallas Love Field Baltimore/Washington
Southwest Logo
5:40 am - 12:25 pmBUF  Buffalo-SAT San Antonio
7h 45m1 stop Baltimore/Washington
$354Southwest
Tue, Sep 22 - Thu, Sep 24

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

American Airlines flights from San Antonio to Buffalo

Our best American Airlines deals on San Antonio to Buffalo flight tickets
American Airlines
Aug 19
SAT12:29 pmSan Antonio
8h 26m
1 stop
BUF9:55 pmBuffalo
Aug 27
BUF5:00 amBuffalo
7h 49m
2 stops
SAT11:49 amSan Antonio
$379
American Airlines
Aug 19
SAT12:40 pmSan Antonio
7h 51m
2 stops
BUF9:31 pmBuffalo
Aug 27
BUF5:00 amBuffalo
7h 49m
2 stops
SAT11:49 amSan Antonio
$384
American Airlines
Sep 4
SAT7:28 amSan Antonio
8h 36m
1 stop
BUF5:04 pmBuffalo
Sep 6
BUF5:11 amBuffalo
7h 38m
2 stops
SAT11:49 amSan Antonio
$420

Frontier flights from San Antonio to Buffalo

Our best Frontier deals on San Antonio to Buffalo flight tickets
Frontier
Aug 24
SAT9:51 amSan Antonio
22h 32m
1 stop
BUF9:23 amBuffalo
Aug 28
BUF6:54 pmBuffalo
15h 02m
1 stop
SAT8:56 amSan Antonio
$257
Frontier
Sep 4
SAT9:51 amSan Antonio
7h 18m
1 stop
BUF6:09 pmBuffalo
Sep 6
BUF9:29 pmBuffalo
12h 27m
1 stop
SAT8:56 amSan Antonio
$321
Frontier
Aug 24
SAT9:51 amSan Antonio
22h 32m
1 stop
BUF9:23 amBuffalo
Aug 28
BUF11:36 amBuffalo
22h 20m
2 stops
SAT8:56 amSan Antonio
$363

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 6, 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 8/24

9:51 am-9:23 am

1 stop22h 32m

Buffalo

Fri 8/28

6:54 pm-8:56 am

1 stop15h 02m

$257

San AntonioBuffalo

SAT San Antonio - BUF Buffalo

SATBUF

San Antonio

Fri 9/4

9:51 am-6:09 pm

1 stop7h 18m

Buffalo

Sun 9/6

9:29 pm-8:56 am

1 stop12h 27m

$321

San AntonioBuffalo

SAT San Antonio - BUF Buffalo

SATBUF

San Antonio

Fri 9/11

1:20 pm-12:12 am

1 stop9h 52m

Buffalo

Thu 9/17

6:59 pm-12:08 am

1 stop6h 09m

$331

San AntonioBuffalo

SAT San Antonio - BUF Buffalo

SATBUF

San Antonio

Fri 9/11

8:00 am-4:03 pm

1 stop7h 03m

Buffalo

Mon 9/21

6:59 pm-12:08 am

1 stop6h 09m

$331

San AntonioBuffalo

SAT San Antonio - BUF Buffalo

SATBUF

San Antonio

Mon 8/31

12:55 pm-9:07 pm

1 stop7h 12m

Buffalo

Tue 9/1

6:00 am-11:51 am

1 stop6h 51m

$344

San AntonioBuffalo

SAT San Antonio - BUF Buffalo

SATBUF

San Antonio

Wed 9/2

1:00 pm-11:12 pm

1 stop9h 12m

Buffalo

Thu 9/3

6:55 am-11:52 am

1 stop5h 57m

$344

San AntonioBuffalo

SAT San Antonio - BUF Buffalo

SATBUF

San Antonio

Tue 9/22

6:30 am-2:20 pm

1 stop6h 50m

Buffalo

Thu 9/24

3:55 pm-9:35 pm

1 stop6h 40m

$349

San AntonioBuffalo

SAT San Antonio - BUF Buffalo

SATBUF

San Antonio

Tue 9/22

2:35 pm-10:10 pm

1 stop6h 35m

Buffalo

Thu 9/24

7:59 am-2:10 pm

1 stop7h 11m

$349
Quickest round-trip

San AntonioBuffalo

SAT San Antonio - BUF Buffalo

SATBUF

San Antonio

Thu 9/17

3:02 pm-10:10 pm

1 stop6h 08m

Buffalo

Tue 9/22

6:56 pm-11:55 pm

1 stop5h 59m

$349

San AntonioBuffalo

SAT San Antonio - BUF Buffalo

SATBUF

San Antonio

Tue 9/22

9:20 am-5:45 pm

2 stops7h 25m

Buffalo

Thu 9/24

5:40 am-12:25 pm

1 stop7h 45m

$354

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 $381 to $646.
The lowest price recently found on this route was $257.

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 29m

Direct flights

None
The fastest flight from San Antonio to Buffalo takes 5h 29m
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 29m.

  • 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
8,491 reviews
Search Delta flights
American AirlinesPriceFrom $316Free CancellationRating
7.1
11,865 reviews
Search American Airlines flights
United AirlinesPriceFrom $350Free CancellationRating
7.4
10,072 reviews
Search United Airlines flights
SouthwestPriceFrom $369Free CancellationRating
8.0
4,218 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.

An easier way to manage your Buffalo trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 9/5
Sat 9/12
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States