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Cheap flights from Buffalo to San Antonio from C$ 193

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 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SAT
4 Aug — 11 Aug1
1 adult

Cheap 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 30 July 2025.

Round-trip from

C$ 410

One-way from

C$ 193

Popular in

December

Cheapest in

September

Average price

C$ 571
Delta
  • Delta
  • 2/10-10/10
  • 2 total stops
  • 13h 51m total
  • Buffalo to San Antonio
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Frontier
  • Frontier
  • 12/9
  • 1 total stop
  • 22h 30m total
  • Buffalo to San Antonio
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Highest demand for flights based on searches. 3% potential increase in price (C$ 25 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease (C$ 10 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Buffalo to San Antonio

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 30 July 2025.

Thu 2/104:43 p.m.BUF - SAT
1 stop8h 16mDelta
Fri 10/105:05 p.m.SAT - BUF
1 stop5h 35mDelta
Deal found 29/7C$ 410
Fri 12/98:30 a.m.BUF - SAT
1 stop7h 20mSouthwest
Tue 16/92:50 p.m.SAT - BUF
2 stops7h 10mSouthwest
Deal found 29/7C$ 465
Tue 14/107:07 a.m.BUF - SAT
1 stop5h 51mUnited Airlines
Tue 28/105:30 a.m.SAT - BUF
2 stops6h 47mUnited Airlines
Deal found 28/7C$ 476
Thu 7/89:07 p.m.BUF - SAT
1 stop13h 23mFrontier
Thu 21/88:18 p.m.SAT - BUF
1 stop18h 42mFrontier
Deal found 29/7C$ 552

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 30 July 2025.
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

Thu 2/10

4:43 p.m.-11:59 p.m.

1 stop8h 16m

San Antonio

Fri 10/10

5:05 p.m.-11:40 p.m.

1 stop5h 35m

C$ 410

BuffaloSan Antonio

BUF - SAT

BUFSAT

Buffalo

Fri 12/9

8:30 a.m.-2:50 p.m.

1 stop7h 20m

San Antonio

Tue 16/9

2:50 p.m.-11:00 p.m.

2 stops7h 10m

C$ 465

BuffaloSan Antonio

BUF - SAT

BUFSAT

Buffalo

Tue 14/10

7:07 a.m.-11:58 a.m.

1 stop5h 51m

San Antonio

Tue 28/10

5:30 a.m.-1:17 p.m.

2 stops6h 47m

C$ 476

BuffaloSan Antonio

BUF - SAT

BUFSAT

Buffalo

Fri 12/9

4:57 p.m.-2:27 p.m.

1 stop22h 30m

C$ 193

BuffaloSan Antonio

BUF - SAT

BUFSAT

Buffalo

Sun 21/9

6:00 a.m.-10:56 a.m.

1 stop5h 56m

C$ 261

BuffaloSan Antonio

BUF - SAT

BUFSAT

Buffalo

Sun 17/8

5:55 p.m.-12:35 a.m.

2 stops7h 40m

C$ 523

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/7

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 25 July 2025.

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 12 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, July is the cheapest month in which you can book a flight from Buffalo to San Antonio (average of C$ 325). Flying from Buffalo to San Antonio in May is currently the most expensive (average of C$ 443). 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.

What is the cheapest time of day to fly from BUF to SAT?

Find hourly flight availability from Buffalo to San Antonio. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 30 July 2025.

It’s typically best to fly out from Buffalo to San Antonio in the morning. Doing so could potentially save you 12% on the flight price compared to flying at noon, which is usually more expensive.

What’s the top layover airport for flights from Buffalo to San Antonio?

Share of one-stop round-trip flights from Buffalo to San Antonio chosen by Cheapflights users in the past 12 months, using the same layover each way.

Chicago (MDW) – chosen by Cheapflights users on 30% of one-stop itineraries from Buffalo to San Antonio on Cheapflights.

What’s the cheapest layover airport for flights from Buffalo to San Antonio?

Average round-trip fare for 1-stop flights from Buffalo to San Antonio, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Orlando (MCO) is the most affordable 1-stop option, with an average round-trip price of C$ 197.

What’s the fastest layover option from Buffalo to San Antonio?

Shortest average travel time for 1-stop one-way flights from Buffalo to San Antonio, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Chicago (MDW) have the shortest average one-way travel time for 1-stop routes: 5h 38m.

Which airport typically offers the quickest layover for flights from Buffalo to San Antonio?

Average layover duration for 1-stop one-way flights from Buffalo to San Antonio, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Chicago (ORD) offer the fastest connection on this route, with an average layover time of 1h 09m.

Reviews of airlines servicing San Antonio

Get insights into the airlines that provide service to San Antonio. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Antonio. Reviews last updated 30 July 2025.
Get a feel of what it's like to fly with Southwest,Delta, andUnited Airlines from Buffalo to San Antonio by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,241 reviews
Check prices

Entertainment

7.5

Boarding

8.1

Overall

8.0

Food

7.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.0
Very good
4,241 reviews
Southwest
8.0
Very good
4,241 reviews
Check prices

Entertainment

7.5

Boarding

8.1

Overall

8.0

Food

7.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,980 reviews
Southwest
8.0
Very good
4,241 reviews
Check prices

Entertainment

7.5

Boarding

8.1

Overall

8.0

Food

7.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,896 reviews
Southwest
8.0
Very good
4,241 reviews
Check prices

Entertainment

7.5

Boarding

8.1

Overall

8.0

Food

7.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Frontier
5.9
Fair
3,237 reviews
Southwest
8.0
Very good
4,241 reviews
Check prices

Entertainment

7.5

Boarding

8.1

Overall

8.0

Food

7.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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.

  • What are the cheapest airlines flying from Buffalo to San Antonio round-trip?

    Cheapflights users have booked flights from Buffalo to San Antonio round-trip from C$ 410. Other airlines that can offer you cheap pricing are Southwest, from C$ 465, and United Airlines, from C$ 476. You may be able to fly from Buffalo to San Antonio for 29% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Buffalo to San Antonio one-way?

    The cheapest airlines for a one-way flight from Buffalo to San Antonio are Frontier (C$ 193), United Airlines (C$ 261), and Southwest (C$ 523).

  • 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, July is the cheapest month in which you can book a flight from Buffalo to San Antonio (average of C$ 325). Flying from Buffalo to San Antonio in May is currently the most expensive (average of C$ 443). 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

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Buffalo to San Antonio

Discover the top airline that operate flights from Buffalo to San Antonio. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 30 July 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapestC$ 510AverageC$ 581FlexibilityNo cancel feeOn-time63%
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How does Cheapflights help users find flights from Buffalo to San Antonio?

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