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Cheap flights from Buffalo to San Antonio from C$ 254

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 26/7. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SAT
17 Jun — 24 Jun1
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 12 June 2025.

Round-trip from

C$ 409

One-way from

C$ 254

Popular in

December

Cheapest in

September

Average price

C$ 610
Southwest
  • Southwest
  • 11/9-18/9
  • 2 total stops
  • 13h 15m total
  • Buffalo to San Antonio
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American Airlines
  • American Airlines
  • 26/7
  • 1 total stop
  • 8h 45m total
  • Buffalo to San Antonio
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (C$ 21 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 9 potential savings vs. average RT price).
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Average for round-trip flights in June 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 12 June 2025.

Thu 11/94:25 p.m.BUF - SAT
1 stop6h 40mSouthwest
Thu 18/93:30 p.m.SAT - BUF
1 stop6h 35mSouthwest
Deal found 11/6C$ 409
Thu 9/103:30 p.m.BUF - SAT
1 stop7h 53mDelta
Sun 12/108:00 a.m.SAT - BUF
1 stop5h 30mDelta
Deal found 11/6C$ 455
Wed 2/75:54 p.m.BUF - SAT
1 stop5h 44mUnited Airlines
Tue 8/79:56 a.m.SAT - BUF
2 stops12h 42mUnited Airlines
Deal found 11/6C$ 600

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 12 June 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 11/9

4:25 p.m.-10:05 p.m.

1 stop6h 40m

San Antonio

Thu 18/9

3:30 p.m.-11:05 p.m.

1 stop6h 35m

C$ 409

BuffaloSan Antonio

BUF - SAT

BUFSAT

Buffalo

Thu 9/10

3:30 p.m.-10:23 p.m.

1 stop7h 53m

San Antonio

Sun 12/10

8:00 a.m.-2:30 p.m.

1 stop5h 30m

C$ 455

BuffaloSan Antonio

BUF - SAT

BUFSAT

Buffalo

Wed 2/7

5:54 p.m.-10:38 p.m.

1 stop5h 44m

San Antonio

Tue 8/7

9:56 a.m.-11:38 p.m.

2 stops12h 42m

C$ 600

BuffaloSan Antonio

BUF - SAT

BUFSAT

Buffalo

Sat 26/7

2:53 p.m.-10:38 p.m.

1 stop8h 45m

C$ 254

BuffaloSan Antonio

BUF - SAT

BUFSAT

Buffalo

Sun 20/7

6:30 a.m.-10:30 a.m.

1 stop5h 00m

C$ 279

BuffaloSan Antonio

BUF - SAT

BUFSAT

Buffalo

Tue 29/7

7:00 a.m.-5:42 p.m.

2 stops11h 42m

C$ 316

BuffaloSan Antonio

BUF - SAT

BUFSAT

Buffalo

Sun 20/7

6:10 a.m.-3:30 p.m.

2 stops10h 20m

C$ 421

BuffaloSan Antonio

BUF - SAT

BUFSAT

Buffalo

Sat 6/9

5:39 a.m.-2:32 p.m.

2 stops33h 53m

C$ 764

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

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 9 June 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 11 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 12 June 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.

Rainfall in San Antonio by month

Plan your trip to San Antonio by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Antonio ranges from 41.0 - 95.0 mm per month. May is typically the wettest month, when rainfall can reach 95.0 mm. December is typically the driest time to visit San Antonio when rainfall is around 41.0 mm.

Temperature in San Antonio by month

Plan your trip to San Antonio by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Antonio, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).

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 12 June 2025.
Read through reviews of airlines operating flights from Buffalo to San Antonio, such as Alaska Airlines, Southwest and Delta. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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$ 409. Other airlines that can offer you cheap pricing are Delta, from C$ 455, and United Airlines, from C$ 600. 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 American Airlines (C$ 254), Delta (C$ 279), and United Airlines (C$ 316).

  • 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

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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 12 June 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapestC$ 506AverageC$ 582FlexibilityNo cancel feeOn-time63%
Search Southwest flights

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