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Cheap flights from San Antonio to Buffalo from $131

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 8/11. 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.
Southwest Logo
2:05 pm - 9:05 pm
SAT
-
BUF
6h 00m
1 stop
Southwest Logo
2:35 pm - 8:05 pm
BUF
-
SAT
6h 30m
1 stop
$261Southwest
Tue, Sep 8 - Tue, Sep 15
Southwest Logo
2:45 pm - 9:45 pm
SAT
-
BUF
6h 00m
1 stop
Southwest Logo
8:55 am - 3:40 pm
BUF
-
SAT
7h 45m
2 stops
$266Southwest
Tue, Sep 8 - Tue, Sep 15
Southwest Logo
6:50 am - 1:45 pm
SAT
-
BUF
5h 55m
1 stop
Southwest Logo
7:30 am - 2:55 pm
BUF
-
SAT
8h 25m
2 stops
$280Southwest
Tue, Oct 6 - Tue, Oct 13
Southwest Logo
10:00 am - 6:20 pm
SAT
-
BUF
7h 20m
2 stops
Southwest Logo
7:30 am - 2:55 pm
BUF
-
SAT
8h 25m
2 stops
$285Southwest
Tue, Oct 6 - Tue, Oct 13
American Airlines Logo
9:58 am - 7:01 pm
SAT
-
BUF
8h 03m
1 stop
American Airlines Logo
4:31 pm - 9:38 pm
BUF
-
SAT
6h 07m
1 stop
$287American Airlines
Thu, Sep 10 - Tue, Sep 15
Southwest Logo
5:00 am - 2:10 pm
SAT
-
BUF
8h 10m
2 stops
Southwest Logo
10:10 am - 5:00 pm
BUF
-
SAT
7h 50m
1 stop
$292Southwest
Sat, Oct 3 - Wed, Oct 7
American Airlines Logo
7:05 am - 4:54 pm
SAT
-
BUF
8h 49m
1 stop
American Airlines Logo
5:03 pm - 10:55 pm
BUF
-
SAT
6h 52m
1 stop
$304American Airlines
Wed, Aug 5 - Wed, Nov 25
American Airlines Logo
12:29 pm - 9:55 pm
SAT
-
BUF
8h 26m
1 stop
American Airlines Logo
6:24 am - 2:10 pm
BUF
-
SAT
8h 46m
2 stops
$309American Airlines
Wed, Aug 5 - Wed, Nov 25
Southwest Logo
12:20 pm - 8:50 pm
SAT
-
BUF
7h 30m
2 stops
Southwest Logo
6:00 am - 11:00 am
BUF
-
SAT
6h 00m
1 stop
$310Southwest
Thu, Sep 10 - Tue, Sep 15
Frontier Logo
4:22 pm - 4:32 pm
SAT
-
BUF
23h 10m
1 stop
Frontier Logo
9:29 pm - 8:56 am
BUF
-
SAT
12h 27m
1 stop
$314Frontier
Sat, Jul 4 - Sun, Jul 12

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Southwest flights from San Antonio to Buffalo

Our best Southwest deals on San Antonio to Buffalo flight tickets
Southwest
Sep 8
SAT2:05 pmSan Antonio
6h 00m
1 stop
BUF9:05 pmBuffalo
Sep 15
BUF2:35 pmBuffalo
6h 30m
1 stop
SAT8:05 pmSan Antonio
$261
Southwest
Sep 8
SAT2:45 pmSan Antonio
6h 00m
1 stop
BUF9:45 pmBuffalo
Sep 15
BUF8:55 amBuffalo
7h 45m
2 stops
SAT3:40 pmSan Antonio
$266
Southwest
Oct 6
SAT6:50 amSan Antonio
5h 55m
1 stop
BUF1:45 pmBuffalo
Oct 13
BUF7:30 amBuffalo
8h 25m
2 stops
SAT2:55 pmSan Antonio
$280

American Airlines flights from San Antonio to Buffalo

Our best American Airlines deals on San Antonio to Buffalo flight tickets
American Airlines
Sep 10
SAT9:58 amSan Antonio
8h 03m
1 stop
BUF7:01 pmBuffalo
Sep 15
BUF4:31 pmBuffalo
6h 07m
1 stop
SAT9:38 pmSan Antonio
$287
American Airlines
Aug 5
SAT7:05 amSan Antonio
8h 49m
1 stop
BUF4:54 pmBuffalo
Nov 25
BUF5:03 pmBuffalo
6h 52m
1 stop
SAT10:55 pmSan Antonio
$304
American Airlines
Aug 5
SAT12:29 pmSan Antonio
8h 26m
1 stop
BUF9:55 pmBuffalo
Nov 25
BUF6:24 amBuffalo
8h 46m
2 stops
SAT2:10 pmSan Antonio
$309

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 June 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
Quickest round-trip

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Tue 9/8

2:05 pm-9:05 pm

1 stop6h 00m

Buffalo

Tue 9/15

2:35 pm-8:05 pm

1 stop6h 30m

$261

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Tue 9/8

2:45 pm-9:45 pm

1 stop6h 00m

Buffalo

Tue 9/15

8:55 am-3:40 pm

2 stops7h 45m

$266

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Tue 10/6

6:50 am-1:45 pm

1 stop5h 55m

Buffalo

Tue 10/13

7:30 am-2:55 pm

2 stops8h 25m

$280

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Tue 10/6

10:00 am-6:20 pm

2 stops7h 20m

Buffalo

Tue 10/13

7:30 am-2:55 pm

2 stops8h 25m

$285

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Thu 9/10

9:58 am-7:01 pm

1 stop8h 03m

Buffalo

Tue 9/15

4:31 pm-9:38 pm

1 stop6h 07m

$287

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Sat 10/3

5:00 am-2:10 pm

2 stops8h 10m

Buffalo

Wed 10/7

10:10 am-5:00 pm

1 stop7h 50m

$292

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Wed 8/5

7:05 am-4:54 pm

1 stop8h 49m

Buffalo

Wed 11/25

5:03 pm-10:55 pm

1 stop6h 52m

$304

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Wed 8/5

12:29 pm-9:55 pm

1 stop8h 26m

Buffalo

Wed 11/25

6:24 am-2:10 pm

2 stops8h 46m

$309

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Thu 9/10

12:20 pm-8:50 pm

2 stops7h 30m

Buffalo

Tue 9/15

6:00 am-11:00 am

1 stop6h 00m

$310

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Sat 7/4

4:22 pm-4:32 pm

1 stop23h 10m

Buffalo

Sun 7/12

9:29 pm-8:56 am

1 stop12h 27m

$314

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?

What is the cheapest month to fly to Buffalo?

If you aren’t able to travel during the month of August, then book flights to Buffalo from San Antonio during September instead. Flights to Buffalo in September, while not as cheap as those in August, still average around $337.

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

As of June 2026, prices for San Antonio to Buffalo flights are approximately 71% 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

Fastest flight time

5h 08m

Direct flights

None
The fastest flight from San Antonio to Buffalo takes 5h 08m
There are no direct flights from San Antonio to Buffalo. There are no popular flight routes from San Antonio to Buffalo.
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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 08m.

  • 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
United AirlinesPriceFrom $125Free CancellationRating
7.4
9,805 reviews
Search United Airlines flights
American AirlinesPriceFrom $209Free CancellationRating
7.1
11,640 reviews
Search American Airlines flights
DeltaPriceFrom $256Free CancellationRating
7.9
8,399 reviews
Search Delta flights
SouthwestPriceFrom $369Free CancellationRating
7.9
4,235 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
Grand Island
Orchard Park
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.

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Sat 7/11
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