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Cheap flights from Buffalo to San Antonio from C$ 238

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/2. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SAT
27 fev — 6 mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Buffalo to San Antonio

Enter your travel dates to find the best prices.

Cheapest flights from Buffalo to San Antonio
Explore the most affordable flight options available from Buffalo to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 janeiro 2026.

qua 18/25:44 p.m.
BUF
-
SAT
1 stop6h 11m
Delta
qua 25/25:25 a.m.
SAT
-
BUF
1 stop5h 18m
Delta
Deal found 28/1C$ 428
sáb 7/34:30 p.m.
BUF
-
SAT
1 stop8h 05m
Southwest
ter 10/32:45 p.m.
SAT
-
BUF
1 stop4h 40m
Southwest
Deal found 27/1C$ 454
qui 5/37:35 p.m.
BUF
-
SAT
1 stop6h 15m
Southwest
ter 10/311:10 a.m.
SAT
-
BUF
2 stops8h 15m
Southwest
Deal found 26/1C$ 487
qui 19/35:55 p.m.
BUF
-
SAT
1 stop6h 05m
Southwest
ter 24/32:45 p.m.
SAT
-
BUF
1 stop4h 40m
Southwest
Deal found 27/1C$ 506
seg 2/31:05 p.m.
BUF
-
SAT
2 stops9h 50m
Southwest
ter 3/36:35 a.m.
SAT
-
BUF
2 stops8h 40m
Southwest
Deal found 27/1C$ 514
qua 25/23:45 p.m.
BUF
-
SAT
1 stop6h 25m
Southwest
dom 1/35:20 a.m.
SAT
-
BUF
1 stop7h 50m
Southwest
Deal found 27/1C$ 519
qui 19/35:55 p.m.
BUF
-
SAT
1 stop6h 05m
Southwest
seg 23/35:15 p.m.
SAT
-
BUF
1 stop5h 55m
Southwest
Deal found 27/1C$ 532

Find flight deals from Buffalo to San Antonio

Discover tips and strategies to find the most affordable flight options for your journey from Buffalo (BUF) to San Antonio (SAT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 28 janeiro 2026.

Round-trip from

C$ 428

One-way from

C$ 238

Popular in

March

Cheapest in

September

Average price

C$ 570
Delta
  • Delta
  • 18/2-25/2
  • 2 total stops
  • 11h 29m total
  • Buffalo to San Antonio
Search Deals
Frontier
  • Frontier
  • 7/2
  • 2 total stops
  • 29h 34m total
  • Buffalo to San Antonio
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (C$ 28 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Buffalo to San Antonio 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, Cheapflights users made 629,999 searches. Data last updated 28 janeiro 2026.
Use the filters below to find and compare flights from Buffalo to San Antonio that are best for you.

Fly from

Buffalo

Fly to

San Antonio

Route

Depart

Return

Price

BuffaloSan Antonio

BUF - SAT

BUFSAT

Buffalo

qua 18/2

5:44 p.m.-10:55 p.m.

1 stop6h 11m

San Antonio

qua 25/2

5:25 a.m.-11:43 a.m.

1 stop5h 18m

C$ 428

BuffaloSan Antonio

BUF - SAT

BUFSAT

Buffalo

sáb 7/3

4:30 p.m.-11:35 p.m.

1 stop8h 05m

San Antonio

ter 10/3

2:45 p.m.-8:25 p.m.

1 stop4h 40m

C$ 454

BuffaloSan Antonio

BUF - SAT

BUFSAT

Buffalo

seg 27/4

5:20 p.m.-10:15 p.m.

1 stop5h 55m

San Antonio

sáb 2/5

6:35 a.m.-2:15 p.m.

1 stop6h 40m

C$ 480

BuffaloSan Antonio

BUF - SAT

BUFSAT

Buffalo

ter 31/3

6:15 a.m.-11:25 a.m.

1 stop6h 10m

San Antonio

ter 14/4

5:10 a.m.-11:39 a.m.

1 stop5h 29m

C$ 480

BuffaloSan Antonio

BUF - SAT

BUFSAT

Buffalo

qui 19/3

5:55 p.m.-11:00 p.m.

1 stop6h 05m

San Antonio

ter 24/3

2:45 p.m.-8:25 p.m.

1 stop4h 40m

C$ 506

BuffaloSan Antonio

BUF - SAT

BUFSAT

Buffalo

seg 2/3

1:05 p.m.-9:55 p.m.

2 stops9h 50m

San Antonio

ter 3/3

6:35 a.m.-4:15 p.m.

2 stops8h 40m

C$ 514

BuffaloSan Antonio

BUF - SAT

BUFSAT

Buffalo

qui 19/3

3:55 p.m.-11:00 p.m.

1 stop8h 05m

San Antonio

seg 23/3

5:15 p.m.-12:10 a.m.

1 stop5h 55m

C$ 532

BuffaloSan Antonio

BUF - SAT

BUFSAT

Buffalo

sáb 7/2

12:29 p.m.-5:03 p.m.

2 stops29h 34m

C$ 238

BuffaloSan Antonio

BUF - SAT

BUFSAT

Buffalo

sáb 18/7

6:00 a.m.-1:07 p.m.

1 stop8h 07m

C$ 293

BuffaloSan Antonio

BUF - SAT

BUFSAT

Buffalo

ter 10/3

6:00 a.m.-8:54 p.m.

3 stops15h 54m

C$ 309

Flights are sorted by cheapest round-trip flights first.

Deals found on 25/1

Showing 1-10 of 17 results
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Best time to book a flight from Buffalo to San Antonio

Have a flexible travel schedule? Discover the best time to fly to San Antonio from Buffalo with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Buffalo to San Antonio

How far ahead should I book a flight from Buffalo to San Antonio?

Use this chart to determine the optimal time to book a round-trip flight from Buffalo to San Antonio. Price data was last updated on 23 January 2026.

The price you pay for your flight from Buffalo to San Antonio may vary depending on when you book. For the best chance of a lower fare, look to book 60 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Buffalo to San Antonio?

Currently, October is the cheapest month in which you can book a flight from Buffalo to San Antonio (average of C$ 189). Flying from Buffalo to San Antonio in February is currently the most expensive (average of C$ 342). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Buffalo to San Antonio. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Buffalo to San Antonio?

    For as low as C$ 428, Delta can have you in San Antonio from Buffalo in 6h 11m. There are 2303 km between Buffalo and San Antonio. This flight may include one or multiple stops.

  • Can I find deals for flights from Buffalo to San Antonio that include hotel bookings?

    Yes. In addition to deals on Buffalo to San Antonio flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Buffalo to San Antonio?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Buffalo to San Antonio.

  • Can I find deals for business class flights from Buffalo to San Antonio?

    Yes. Cheapflights offers flight deals from Buffalo to San Antonio by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Buffalo to San Antonio?

    Currently, October is the cheapest month in which you can book a flight from Buffalo to San Antonio (average of C$ 189). Flying from Buffalo to San Antonio in February is currently the most expensive (average of C$ 342). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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