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Cheap flights from Buffalo to San Antonio from C$ 216

BUF — SAT
12 Oct — 19 Oct1
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

Sat 24/103:53 p.m. -
1 stop7h 27m
Tue 3/117:50 a.m. -
1 stop7h 14m
Deal found 8/9C$ 434
Wed 21/107:00 p.m. -
1 stop5h 35m
Tue 27/105:50 a.m. -
2 stops7h 45m
Deal found 8/9C$ 441
Tue 27/104:25 p.m. -
2 stops8h 10m
Tue 3/1112:00 p.m. -
2 stops7h 50m
Deal found 8/9C$ 448
Fri 30/105:20 p.m. -
1 stop8h 13m
Mon 2/115:00 p.m. -
1 stop5h 59m
Deal found 8/9C$ 473
Sat 17/109:06 a.m. -
1 stop6h 04m
Tue 20/105:15 a.m. -
1 stop5h 20m
Deal found 10/9C$ 502
Fri 30/109:06 a.m. -
1 stop8h 07m
Fri 6/115:15 a.m. -
1 stop5h 20m
Deal found 8/9C$ 512
Sun 25/106:15 a.m. -
1 stop5h 26m
Sat 31/105:00 p.m. -
1 stop5h 59m
Deal found 8/9C$ 534
Mon 9/113:05 p.m. -
2 stops8h 05m
Mon 16/112:45 p.m. -
1 stop6h 10m
Deal found 9/9C$ 541
Mon 7/126:36 p.m. -
1 stop7h 00m
Thu 10/124:36 p.m. -
1 stop6h 29m
Deal found 8/9C$ 548
Mon 7/127:41 p.m. -
2 stops49h 45m
Wed 16/129:07 p.m. -
1 stop20h 39m
Deal found 12/9C$ 559
Sat 24/105:45 p.m. -
1 stop6h 05m
Tue 3/1111:45 a.m. -
2 stops10h 14m
Deal found 8/9C$ 566

Find flight deals from Buffalo to San Antonio

Round-trip from

C$ 434

One-way from

C$ 216

Popular in

June

Cheapest in

August

Average price

C$ 569
Delta
  • Delta
  • 24/10-3/11
  • 2 total stops
  • 14h 41m total
  • Buffalo to San Antonio
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Frontier
  • Frontier
  • 23/10-31/12
  • 2 total stops
  • 30h 42m total
  • Buffalo to San Antonio
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (C$ 108 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease (C$ 13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Buffalo to San Antonio that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BuffaloSan Antonio

BUF Buffalo - SAT San Antonio

BUFSAT

Buffalo

Thu 8/10

6:55 p.m.-12:33 a.m.

1 stop6h 38m

San Antonio

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 218

BuffaloSan Antonio

BUF Buffalo - SAT San Antonio

BUFSAT

Buffalo

Thu 3/12

6:36 p.m.-12:36 a.m.

1 stop7h 00m

San Antonio

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 218

BuffaloSan Antonio

BUF Buffalo - SAT San Antonio

BUFSAT

Buffalo

Sat 24/10

10:46 a.m.-7:30 p.m.

2 stops9h 44m

San Antonio

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 225
Quickest round-trip

BuffaloSan Antonio

BUF Buffalo - SAT San Antonio

BUFSAT

Buffalo

Fri 23/10

7:35 p.m.-12:10 a.m.

1 stop5h 35m

San Antonio

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 287

BuffaloSan Antonio

BUF Buffalo - SAT San Antonio

BUFSAT

Buffalo

Thu 3/12

7:00 a.m.-3:44 p.m.

2 stops9h 44m

San Antonio

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 287

BuffaloSan Antonio

BUF Buffalo - SAT San Antonio

BUFSAT

Buffalo

Mon 5/10

6:59 p.m.-12:08 a.m.

1 stop6h 09m

San Antonio

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 301

BuffaloSan Antonio

BUF Buffalo - SAT San Antonio

BUFSAT

Buffalo

Mon 26/10

6:55 p.m.-12:33 a.m.

1 stop6h 38m

San Antonio

Wed 4/11

5:15 a.m.-11:35 a.m.

1 stop5h 20m

C$ 434

BuffaloSan Antonio

BUF Buffalo - SAT San Antonio

BUFSAT

Buffalo

Mon 26/10

9:06 a.m.-3:50 p.m.

1 stop7h 44m

San Antonio

Sat 31/10

5:00 p.m.-11:59 p.m.

1 stop5h 59m

C$ 434

BuffaloSan Antonio

BUF Buffalo - SAT San Antonio

BUFSAT

Buffalo

Sat 17/10

9:06 a.m.-2:10 p.m.

1 stop6h 04m

San Antonio

Tue 20/10

5:15 a.m.-11:35 a.m.

1 stop5h 20m

C$ 502

BuffaloSan Antonio

BUF Buffalo - SAT San Antonio

BUFSAT

Buffalo

Mon 21/9

3:55 p.m.-9:35 p.m.

1 stop6h 40m

San Antonio

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 515

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 20 resultsSorted by cheapest first
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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

Cheapflights Insights

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

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

Currently, August is the cheapest month in which you can book a flight from Buffalo to San Antonio (average of C$ 492). Flying from Buffalo to San Antonio in June is currently the most expensive (average of C$ 707). 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.

How much does it cost to fly round-trip from Buffalo to San Antonio?

Airfare is below average for this route at the moment.

Buffalo to San Antonio flights typically cost between C$ 458 and C$ 687 in October.
The cheapest round-trip price found within the last 5 days was C$ 434 on Delta (24 Oct-3 Nov).

Related info for your journey

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

    For as low as C$ 541, Delta can have you in San Antonio from Buffalo in 5h 45m. 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, August is the cheapest month in which you can book a flight from Buffalo to San Antonio (average of C$ 492). Flying from Buffalo to San Antonio in June is currently the most expensive (average of C$ 707). 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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