Buffalo

$137+ 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 3/29. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — BUF
Apr 9 — Apr 161
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Cheap 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 March 10, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/6. 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 5/73:14 pm
SAT
-
BUF
2 stops19h 59m
Frontier
Sun 5/1011:25 am
BUF
-
SAT
1 stop22h 59m
Frontier
Deal found 3/6$276
This Kiwi.com deal was found by Cheapflights users on 3/6. 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 5/72:12 pm
SAT
-
BUF
1 stop17h 35m
Multiple Airlines
Sun 5/1011:25 am
BUF
-
SAT
1 stop22h 59m
Multiple Airlines
Deal found 3/6$299
This Kiwi.com deal was found by Cheapflights users on 3/9. 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.
Wed 5/62:12 pm
SAT
-
BUF
1 stop28h 01m
Multiple Airlines
Sun 5/101:08 pm
BUF
-
SAT
2 stops21h 16m
Multiple Airlines
Deal found 3/9$316
This Kiwi.com deal was found by Cheapflights users on 3/8. 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.
Wed 5/62:12 pm
SAT
-
BUF
1 stop28h 01m
Multiple Airlines
Sat 5/91:08 pm
BUF
-
SAT
2 stops11h 43m
Multiple Airlines
Deal found 3/8$326
This Kiwi.com deal was found by Cheapflights users on 3/5. 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 4/162:12 pm
SAT
-
BUF
1 stop18h 45m
Multiple Airlines
Mon 4/2012:32 pm
BUF
-
SAT
2 stops52h 21m
Multiple Airlines
Deal found 3/5$335
This United Airlines deal was found by Cheapflights users on 3/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/62:00 pm
SAT
-
BUF
1 stop6h 01m
United Airlines
Sat 5/92:45 pm
BUF
-
SAT
1 stop6h 50m
United Airlines
Deal found 3/6$347
This Southwest deal was found by Cheapflights users on 3/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1212:30 pm
SAT
-
BUF
2 stops6h 55m
Southwest
Tue 5/196:55 pm
BUF
-
SAT
1 stop5h 55m
Southwest
Deal found 3/6$352
This Southwest deal was found by Cheapflights users on 3/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/62:35 pm
SAT
-
BUF
1 stop4h 50m
Southwest
Sun 5/107:50 pm
BUF
-
SAT
1 stop5h 40m
Southwest
Deal found 3/9$370
This Kiwi.com deal was found by Cheapflights users on 3/7. 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 4/410:22 am
SAT
-
BUF
2 stops24h 55m
Multiple Airlines
Sat 4/117:31 pm
BUF
-
SAT
1 stop17h 56m
Multiple Airlines
Deal found 3/7$371
This American Airlines deal was found by Cheapflights users on 3/7. 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 4/46:24 am
SAT
-
BUF
1 stop5h 31m
American Airlines
Sat 4/117:00 am
BUF
-
SAT
1 stop8h 21m
American Airlines
Deal found 3/7$383
This Delta deal was found by Cheapflights users on 3/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/184:11 pm
SAT
-
BUF
1 stop6h 48m
Delta
Thu 5/216:25 am
BUF
-
SAT
1 stop5h 29m
Delta
Deal found 3/8$387

Find 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 March 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$276
(Kiwi.com)

One-way from

$137
(CheapOair)

Popular in

December

Cheapest in

August

Average price

$430
Provider with most accurate pricing for San Antonio-Buffalo flight deals.
Provider most trusted by Cheapflights users for San Antonio-Buffalo flights.
From San Antonio to Buffalo
One-way flight from San Antonio to Buffalo
Highest demand for flights based on searches. 6% potential increase in price ($30 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
Average for round-trip flights in March 2026

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 March 10, 2026.
Use the filters below to find and compare flights from San Antonio to Buffalo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Thu 5/7

2:12 pm-8:47 am

1 stop17h 35m

Buffalo

Sun 5/10

11:25 am-9:24 am

1 stop22h 59m

$299

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Tue 5/12

2:35 pm-8:25 pm

1 stop4h 50m

Buffalo

Tue 5/19

9:25 am-4:15 pm

1 stop7h 50m

$347
Quickest round-trip

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Tue 5/12

2:35 pm-8:25 pm

1 stop4h 50m

Buffalo

Mon 5/18

8:00 pm-12:30 am

1 stop5h 30m

$347

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Tue 5/19

2:00 pm-9:01 pm

1 stop6h 01m

Buffalo

Fri 5/22

7:00 am-12:12 pm

1 stop6h 12m

$387

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Wed 5/6

7:25 am-6:15 pm

2 stops9h 50m

Buffalo

Sun 5/10

8:25 am-4:20 pm

2 stops8h 55m

$390

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Thu 4/2

4:29 pm-11:46 pm

1 stop6h 17m

Buffalo

Sat 4/4

6:08 pm-12:37 am

1 stop7h 29m

$393

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Thu 3/26

6:00 am-12:14 pm

1 stop5h 14m

Buffalo

Mon 3/30

4:04 pm-11:59 pm

2 stops8h 55m

$412

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Thu 5/7

7:00 am-2:10 pm

1 stop6h 10m

Buffalo

Sun 5/10

7:00 am-3:39 pm

2 stops9h 39m

$412
Cheapest one-way

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Sun 3/29

2:13 pm-8:30 pm

1 stop29h 17m

$137

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Fri 5/8

10:23 am-10:49 am

1 stop23h 26m

$157

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/7

Showing 1-10 of 16 resultsSorted by cheapest first
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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Antonio-Buffalo flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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

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

Currently, January is the cheapest month in which you can book a flight from San Antonio to Buffalo (average of $102). Flying from San Antonio to Buffalo in November is currently the most expensive (average of $294). 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.

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 March 10, 2026.
Read through reviews of airlines operating flights from San Antonio to Buffalo, such as Southwest,Delta, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.6

Overall

8.0

Food

7.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.

Crew

8.6

Overall

8.0

Food

7.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.

Crew

8.6

Overall

8.0

Food

7.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.

Crew

8.6

Overall

8.0

Food

7.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.

Crew

8.6

Overall

8.0

Food

7.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.

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

    Airlines like Southwest fly from San Antonio to Buffalo in about 4h 50m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 1431 mi.

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

    According to our current data, United Airlines ($125), American Airlines ($209), and Delta ($256) offers the cheapest pricing from San Antonio to Buffalo. These flights start at 68% lower than the current average price 3 months from now.

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

    $131 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Delta and Southwest, with prices starting from $149 and $182, respectively.

  • 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, January is the cheapest month in which you can book a flight from San Antonio to Buffalo (average of $102). Flying from San Antonio to Buffalo in November is currently the most expensive (average of $294). 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
Batavia
Williamsville
Orchard Park
Eden
Amherst
West Seneca

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for San Antonio to Buffalo

See prices for flight routes from nearby airports that may be better suited for you.

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 March 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$125Average$430FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$209Average$378FlexibilityNo cancel feeOn-time71%
DeltaCheapest$256Average$362FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$369Average$478FlexibilityNo cancel feeOn-time63%

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