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$122+ Cheap flights from San Antonio to Buffalo (SAT - BUF)

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 11/14. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — BUF
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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Find cheap flights from San Antonio to Buffalo with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from San Antonio to Buffalo are usually found in August or September, booked 27 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

Find flight deals from San Antonio to Buffalo

Cheapest flights from San Antonio to Buffalo
Explore the most affordable flight options available from San Antonio to Buffalo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 28, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/248:33 pmSAT - BUF
1 stop20h 19mMultiple Airlines
Mon 12/111:57 amBUF - SAT
1 stop29h 02mMultiple Airlines
Deal found 10/28$194
This Kiwi.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/42:13 pmSAT - BUF
1 stop20h 38mMultiple Airlines
Sun 12/73:18 pmBUF - SAT
1 stop23h 00mMultiple Airlines
Deal found 10/26$214
This Kiwi.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/277:37 pmSAT - BUF
2 stops18h 06mMultiple Airlines
Mon 12/111:57 amBUF - SAT
1 stop29h 02mMultiple Airlines
Deal found 10/26$270
This Kiwi.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/145:35 pmSAT - BUF
2 stops41h 19mMultiple Airlines
Mon 11/179:53 pmBUF - SAT
1 stop13h 10mMultiple Airlines
Deal found 10/26$346
This Kiwi.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/288:33 pmSAT - BUF
1 stop19h 46mMultiple Airlines
Mon 12/111:57 amBUF - SAT
1 stop29h 02mMultiple Airlines
Deal found 10/26$353
This American Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/133:00 pmSAT - BUF
1 stop6h 20mAmerican Airlines
Fri 12/196:00 amBUF - SAT
1 stop8h 04mAmerican Airlines
Deal found 10/27$372
This Kiwi.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/132:13 pmSAT - BUF
2 stops19h 57mMultiple Airlines
Fri 12/199:42 amBUF - SAT
1 stop27h 08mMultiple Airlines
Deal found 10/27$398

Cheap flight deals from San Antonio to Buffalo

Discover tips and strategies to find the most affordable flight options for your journey from San Antonio (SAT) to Buffalo (BUF). 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 October 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$194
(Kiwi.com)

One-way from

$122
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$552
Provider with most accurate pricing for San Antonio-Buffalo flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Antonio-Buffalo flights.
Search Deals
From San Antonio to Buffalo
Search Deals
One-way flight from San Antonio to Buffalo
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($67 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated October 28, 2025.
Use the filters below to find and compare flights from San Antonio to Buffalo that are best for you.

Fly from

San Antonio

Fly to

Buffalo

Route

Depart

Return

Price

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Mon 11/24

8:33 pm-5:52 pm

1 stop20h 19m

Buffalo

Mon 12/1

11:57 am-3:59 pm

1 stop29h 02m

$194

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Thu 12/4

2:13 pm-11:51 am

1 stop20h 38m

Buffalo

Sun 12/7

3:18 pm-1:18 pm

1 stop23h 00m

$214

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Fri 11/28

8:33 pm-5:19 pm

1 stop19h 46m

Buffalo

Mon 12/1

11:57 am-3:59 pm

1 stop29h 02m

$353

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Fri 1/2

3:00 pm-10:29 pm

1 stop6h 29m

Buffalo

Mon 1/5

6:29 pm-11:59 pm

1 stop6h 30m

$370

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Fri 1/2

5:20 am-11:21 am

1 stop5h 01m

Buffalo

Mon 1/5

5:44 pm-10:57 pm

1 stop6h 13m

$370

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Wed 3/11

12:10 pm-11:49 pm

1 stop10h 39m

Buffalo

Tue 3/24

7:15 pm-11:10 am

1 stop16h 55m

$395

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Tue 3/17

12:10 pm-11:49 pm

1 stop10h 39m

Buffalo

Tue 3/24

7:15 pm-11:10 am

1 stop16h 55m

$395

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Wed 3/11

12:10 pm-11:49 pm

1 stop10h 39m

Buffalo

Wed 3/25

7:15 pm-11:10 am

1 stop16h 55m

$395

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Thu 3/12

4:00 pm-11:07 pm

1 stop6h 07m

Buffalo

Wed 3/25

7:15 pm-11:10 am

1 stop16h 55m

$411

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Fri 11/14

7:37 pm-8:09 pm

3 stops47h 32m

$122

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 18 results
1
2

Compare providers for flights from San Antonio to Buffalo

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Antonio to Buffalo in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Antonio-Buffalo flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on San Antonio-Buffalo flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from San Antonio-Buffalo flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Antonio-Buffalo flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Antonio-Buffalo flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from San Antonio to Buffalo

Have a flexible travel schedule? Discover the best time to fly to Buffalo from San Antonio 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 San Antonio to Buffalo

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

Use this chart to determine the optimal time to book a round-trip flight from San Antonio to Buffalo. Price data was last updated on October 24, 2025.

Booking 27 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Antonio to Buffalo. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, May is the cheapest month in which you can book a flight from San Antonio to Buffalo (average of $142). Flying from San Antonio to Buffalo in December is currently the most expensive (average of $310). 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 SAT to BUF?

Find hourly flight availability from San Antonio to Buffalo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 28, 2025.

When flying from San Antonio to Buffalo, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 56% versus a flight in the morning.

Reviews of airlines servicing Buffalo

Get insights into the airlines that provide service to Buffalo. 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 Buffalo. Reviews last updated October 28, 2025.
Read through reviews of airlines operating flights from San Antonio to Buffalo, such as Southwest, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,240 reviews

Entertainment

7.5

Boarding

8.1

Crew

8.6

Overall

8.0

Comfort

8.0

Food

7.0

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
4,240 reviews
Southwest
8.0
Very good
4,240 reviews

Entertainment

7.5

Boarding

8.1

Crew

8.6

Overall

8.0

Comfort

8.0

Food

7.0

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
7.9
Good
7,994 reviews
Southwest
8.0
Very good
4,240 reviews

Entertainment

7.5

Boarding

8.1

Crew

8.6

Overall

8.0

Comfort

8.0

Food

7.0

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
9,001 reviews
Southwest
8.0
Very good
4,240 reviews

Entertainment

7.5

Boarding

8.1

Crew

8.6

Overall

8.0

Comfort

8.0

Food

7.0

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.
American Airlines
7.2
Good
11,032 reviews
Southwest
8.0
Very good
4,240 reviews

Entertainment

7.5

Boarding

8.1

Crew

8.6

Overall

8.0

Comfort

8.0

Food

7.0

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 San Antonio to Buffalo. 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 San Antonio to Buffalo round-trip?

    According to our current data, American Airlines ($209), Delta ($256), and United Airlines ($334) offers the cheapest pricing from San Antonio to Buffalo. These flights start at 52% lower than the current average price 3 months from now.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San Antonio to Buffalo 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 San Antonio to Buffalo?

    Currently, May is the cheapest month in which you can book a flight from San Antonio to Buffalo (average of $142). Flying from San Antonio to Buffalo in December is currently the most expensive (average of $310). 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

Traveling to a place near Buffalo?

Book flights to Buffalo if you plan to visit one of these locations
Lockport
Cheektowaga
Orchard Park
Batavia
Williamsville
Eden
Amherst
West Seneca

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Top 4 airlines flying from San Antonio to Buffalo

Discover the top 4 airlines that operate flights from San Antonio to Buffalo. 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 2,558,603 searches. Data last updated October 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$209Average$375FlexibilityNo cancel feeOn-time71%
DeltaCheapest$256Average$379FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$334Average$645FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$350Average$502FlexibilityNo cancel feeOn-time63%

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