$157+ Cheap flights from Buffalo to San Antonio (BUF - SAT)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SAT
Dec 8 — Dec 151
Round-trip
1 adult, Economy
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Find cheap flights from Buffalo to San Antonio with Cheapflights
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Buffalo to San Antonio
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Cheapest flights from Buffalo to San AntonioExplore 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 November 8, 2026.
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 November 8, 2026.
This Delta deal was found by Cheapflights users on 11/3. 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 12/76:10 am -
1 stop5h 44m
Thu 12/105:25 am -
1 stop4h 59m
Deal found 11/3![Delta logo]()
$313
This Southwest deal was found by Cheapflights users on 11/6. 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.
Sat 12/193:30 pm -
1 stop8h 35m
Thu 1/71:55 pm -
1 stop5h 20m
Deal found 11/6![Southwest logo]()
$348
This Trip.com deal was found by Cheapflights users on 11/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1912:54 pm -
1 stop23h 17m
Fri 11/2712:06 pm -
1 stop7h 18m
Deal found 11/3![Frontier logo]()
$377
This United Airlines deal was found by Cheapflights users on 11/3. 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.
Thu 12/36:30 am -
1 stop6h 50m
Sat 12/51:40 pm -
1 stop6h 16m
Deal found 11/3![United Airlines logo]()
$423
This Southwest deal was found by Cheapflights users on 11/3. 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.
Fri 12/182:30 pm -
1 stop10h 20m
Sat 1/25:30 am -
1 stop6h 50m
Deal found 11/3![Southwest logo]()
$425
This CheapTicketsDeal deal was found by Cheapflights users on 11/3. 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 CheapTicketsDeal is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/185:40 am -
1 stop10h 35m
Sat 1/25:35 am -
1 stop6h 50m
Deal found 11/3![JetBlue logo]()
$432
Best flights from Buffalo to San AntonioDiscover carefully curated flight deals from Buffalo to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 8, 2026.
Discover carefully curated flight deals from Buffalo to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 8, 2026.
This Delta deal was found by Cheapflights users on 11/4. 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.
Sat 1/306:05 am -
1 stop8h 01m
Sat 2/66:19 am -
1 stop6h 01m
Deal found 11/4![Delta logo]()
$313
This United Airlines deal was found by Cheapflights users on 11/4. 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.
Thu 12/36:30 am -
1 stop6h 50m
Sat 12/59:41 am -
2 stops9h 43m
Deal found 11/4![United Airlines logo]()
$428
This Southwest deal was found by Cheapflights users on 11/3. 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.
Fri 12/182:30 pm -
1 stop10h 20m
Sun 1/35:05 am -
1 stop5h 35m
Deal found 11/3![Southwest logo]()
$445
This Delta deal was found by Cheapflights users on 11/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/26:00 am -
1 stop8h 04m
Tue 3/94:25 pm -
1 stop6h 30m
Deal found 11/5![Delta logo]()
$377
This Delta deal was found by Cheapflights users on 11/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/76:41 pm -
1 stop6h 54m
Thu 12/105:25 am -
1 stop4h 59m
Deal found 11/7![Delta logo]()
$401
This Southwest deal was found by Cheapflights users on 11/4. 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.
Fri 12/255:55 am -
1 stop6h 20m
Sun 12/275:05 am -
1 stop7h 50m
Deal found 11/4![Southwest logo]()
$450
Last-minute flights from Buffalo to San AntonioDiscover last-minute flight deals from Buffalo to San Antonio. Data last updated November 8, 2026 and is based on user searches.
Discover last-minute flight deals from Buffalo to San Antonio. Data last updated November 8, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 11/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1912:54 pm -
1 stop23h 17m
Fri 11/2712:06 pm -
1 stop7h 18m
Deal found 11/3![Frontier logo]()
$377
This United Airlines deal was found by Cheapflights users on 11/3. 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.
Thu 12/36:30 am -
1 stop6h 50m
Sat 12/51:40 pm -
1 stop6h 16m
Deal found 11/3![United Airlines logo]()
$423
This Delta deal was found by Cheapflights users on 11/3. 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 12/76:10 am -
1 stop5h 44m
Thu 12/105:25 am -
1 stop4h 59m
Deal found 11/3![Delta logo]()
$313
This Southwest deal was found by Cheapflights users on 11/3. 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.
Fri 12/182:30 pm -
1 stop10h 20m
Sat 1/25:30 am -
1 stop6h 50m
Deal found 11/3![Southwest logo]()
$425
This CheapTicketsDeal deal was found by Cheapflights users on 11/3. 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 CheapTicketsDeal is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/185:40 am -
1 stop10h 35m
Sat 1/25:35 am -
1 stop6h 50m
Deal found 11/3![JetBlue logo]()
$432
This Southwest deal was found by Cheapflights users on 11/6. 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.
Sat 12/193:30 pm -
1 stop8h 35m
Thu 1/71:55 pm -
1 stop5h 20m
Deal found 11/6![Southwest logo]()
$348
One-way flights from Buffalo to San AntonioSearch for one-way flight options from Buffalo to San Antonio. Find affordable one-way fares based on user searches. Data last updated November 8, 2026.
Search for one-way flight options from Buffalo to San Antonio. Find affordable one-way fares based on user searches. Data last updated November 8, 2026.
This Delta deal was found by Cheapflights users on 11/4. 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.
Thu 12/36:41 pm -
1 stop6h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Delta logo]()
$157
This United Airlines deal was found by Cheapflights users on 11/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/311:30 am -
2 stops12h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![United Airlines logo]()
$217
This Kiwi.com deal was found by Cheapflights users on 11/4. 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 11/182:00 pm -
2 stops19h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Multiple Airlines logo]()
$227
This American Airlines deal was found by Cheapflights users on 11/4. 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.
Wed 11/187:03 am -
1 stop6h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![American Airlines logo]()
$314
This deal was found by Cheapflights users on 11/6. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/186:30 am -
1 stop6h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![United Airlines logo]()
$371
Find 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 November 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $313 (Delta) |
One-way from | $157 (Delta) |
Popular in | May |
Cheapest in | August |
Average price | $473 |
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 7,457,451 searches. Data last updated November 8, 2026.
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
Cheapest round-trip
Quickest round-trip
BuffaloSan Antonio
BUF Buffalo - SAT San Antonio
BUFSAT
Buffalo
Thu 12/3
6:41 pm-12:35 am
1 stop6h 54m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$157
BuffaloSan Antonio
BUF Buffalo - SAT San Antonio
BUFSAT
Buffalo
Thu 12/3
11:30 am-10:52 pm
2 stops12h 22m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$217
BuffaloSan Antonio
BUF Buffalo - SAT San Antonio
BUFSAT
Buffalo
Wed 11/18
2:00 pm-8:45 am
2 stops19h 45m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$227
BuffaloSan Antonio
BUF Buffalo - SAT San Antonio
BUFSAT
Buffalo
Sat 1/30
6:05 am-1:06 pm
1 stop8h 01m
San Antonio
Sat 2/6
6:19 am-1:20 pm
1 stop6h 01m
$313
BuffaloSan Antonio
BUF Buffalo - SAT San Antonio
BUFSAT
Buffalo
Tue 3/2
6:00 am-1:04 pm
1 stop8h 04m
San Antonio
Tue 3/9
4:25 pm-11:55 pm
1 stop6h 30m
$377
BuffaloSan Antonio
BUF Buffalo - SAT San Antonio
BUFSAT
Buffalo
Mon 12/7
6:41 pm-12:35 am
1 stop6h 54m
San Antonio
Thu 12/10
5:25 am-11:24 am
1 stop4h 59m
$401
BuffaloSan Antonio
BUF Buffalo - SAT San Antonio
BUFSAT
Buffalo
Thu 12/3
6:30 am-12:20 pm
1 stop6h 50m
San Antonio
Sat 12/5
9:41 am-8:24 pm
2 stops9h 43m
$428
BuffaloSan Antonio
BUF Buffalo - SAT San Antonio
BUFSAT
Buffalo
Fri 12/18
2:30 pm-11:50 pm
1 stop10h 20m
San Antonio
Sun 1/3
5:05 am-11:40 am
1 stop5h 35m
$445
BuffaloSan Antonio
BUF Buffalo - SAT San Antonio
BUFSAT
Buffalo
Fri 12/25
5:55 am-11:15 am
1 stop6h 20m
San Antonio
Sun 12/27
5:05 am-1:55 pm
1 stop7h 50m
$450
Sorted by cheapest first
Compare providers for flights from Buffalo to San Antonio
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 Buffalo to San Antonio in November.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Buffalo-San Antonio flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Buffalo-San Antonio flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Buffalo-San Antonio flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Buffalo-San Antonio 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 Buffalo-San Antonio 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 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.
BUF-SAT
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?
To ensure you get the cheapest price possible for a flight from Buffalo to San Antonio, you should look to book at least 37 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
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 $355). Flying from Buffalo to San Antonio in May is currently the most expensive (average of $660). 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 $350 and $671 in January.The cheapest round-trip price found within the last 5 days was $313 on Delta (Jan 30-Feb 6).
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 November 8, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andUnited Airlines from Buffalo to San Antonio to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
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.
Traveling to a place near San Antonio?
Book flights to San Antonio if you plan to visit one of these locationsNew Braunfels
Kerrville
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Complete your trip to San Antonio by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from Buffalo to San Antonio, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Buffalo and San Antonio flights
Browse other Buffalo and San Antonio flight options. Last updated on November 8, 2026.
Other flights from Buffalo
Browse through other flights departing from Buffalo. Flights are based on user searches made on Cheapflights and were last updated on November 8, 2026.
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Check out other popular destinations found by fellow travelers in 2026
Other flights to San Antonio
Explore flights to San Antonio departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on November 8, 2026.
Top 4 airlines flying from Buffalo to San Antonio
Discover the top 4 airlines 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 7,457,451 searches. Data last updated November 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$260 | Average$389 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$312 | Average$426 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$331 | Average$436 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$385 | Average$500 | FlexibilityNo cancel fee | On-time63% |