$137+ 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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SAT
Oct 28 — Nov 41
Round-trip
1 adult, Economy
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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 September 28, 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 September 28, 2026.
This Delta deal was found by Cheapflights users on 9/24. 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 12/246:00 am -
1 stop5h 52m
Tue 12/295:20 am -
1 stop5h 07m
Deal found 9/24![Delta logo]()
$313
This American Airlines deal was found by Cheapflights users on 9/27. 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.
Wed 11/47:14 am -
1 stop8h 35m
Tue 11/109:22 am -
2 stops7h 43m
Deal found 9/27![American Airlines logo]()
$318
This American Airlines deal was found by Cheapflights users on 9/24. 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 10/3111:38 am -
2 stops8h 36m
Tue 11/311:22 am -
2 stops9h 15m
Deal found 9/24![American Airlines logo]()
$323
This Delta deal was found by Cheapflights users on 9/23. 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.
Fri 12/256:15 am -
1 stop6h 37m
Wed 12/304:05 pm -
1 stop6h 57m
Deal found 9/23![Delta logo]()
$351
This United Airlines deal was found by Cheapflights users on 9/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/36:00 am -
2 stops8h 16m
Fri 11/61:15 pm -
1 stop6h 21m
Deal found 9/26![United Airlines logo]()
$356
This American Airlines deal was found by Cheapflights users on 9/24. 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 11/257:52 am -
1 stop6h 50m
Wed 12/29:18 am -
1 stop7h 50m
Deal found 9/24![American Airlines logo]()
$358
This Delta deal was found by Cheapflights users on 9/23. 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 12/226:15 am -
1 stop6h 37m
Thu 12/315:20 am -
1 stop5h 07m
Deal found 9/23![Delta logo]()
$362
This American Airlines deal was found by Cheapflights users on 9/23. 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.
Tue 11/107:57 am -
2 stops10h 05m
Tue 11/242:03 pm -
1 stop7h 50m
Deal found 9/23![American Airlines logo]()
$367
This Southwest deal was found by Cheapflights users on 9/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/123:05 pm -
2 stops8h 10m
Wed 11/181:00 pm -
2 stops8h 00m
Deal found 9/27![Southwest logo]()
$368
This Delta deal was found by Cheapflights users on 9/25. 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 11/55:20 pm -
1 stop7h 06m
Tue 11/104:32 pm -
1 stop6h 27m
Deal found 9/25![Delta logo]()
$376
This Southwest deal was found by Cheapflights users on 9/25. 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.
Thu 10/296:00 am -
2 stops7h 30m
Wed 11/46:45 am -
2 stops7h 30m
Deal found 9/25![Southwest logo]()
$378
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 September 28, 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 September 28, 2026.
This Delta deal was found by Cheapflights users on 9/24. 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 12/246:00 am -
1 stop5h 52m
Wed 12/305:20 am -
1 stop5h 07m
Deal found 9/24![Delta logo]()
$313
This United Airlines deal was found by Cheapflights users on 9/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:30 am -
1 stop6h 38m
Wed 11/1812:24 pm -
2 stops9h 35m
Deal found 9/27![United Airlines logo]()
$318
This Southwest deal was found by Cheapflights users on 9/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/36:55 pm -
1 stop5h 45m
Fri 11/65:35 am -
1 stop9h 40m
Deal found 9/26![Southwest logo]()
$351
This Delta deal was found by Cheapflights users on 9/25. 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.
Wed 11/46:00 am -
1 stop7h 35m
Tue 11/104:32 pm -
1 stop6h 27m
Deal found 9/25![Delta logo]()
$313
This United Airlines deal was found by Cheapflights users on 9/22. 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 10/2110:46 am -
1 stop6h 45m
Tue 10/275:30 am -
2 stops7h 50m
Deal found 9/22![United Airlines logo]()
$318
This Delta deal was found by Cheapflights users on 9/24. 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 12/246:00 am -
1 stop5h 52m
Thu 12/315:07 am -
1 stop6h 56m
Deal found 9/24![Delta logo]()
$313
This Southwest deal was found by Cheapflights users on 9/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/123:05 pm -
2 stops8h 10m
Wed 11/181:00 pm -
2 stops8h 00m
Deal found 9/27![Southwest logo]()
$368
This Delta deal was found by Cheapflights users on 9/23. 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.
Fri 12/256:15 am -
1 stop6h 37m
Tue 12/295:20 am -
1 stop5h 07m
Deal found 9/23![Delta logo]()
$351
This Delta deal was found by Cheapflights users on 9/23. 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 12/265:50 pm -
1 stop5h 48m
Thu 12/315:20 am -
1 stop5h 07m
Deal found 9/23![Delta logo]()
$362
This Delta deal was found by Cheapflights users on 9/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/64:03 pm -
1 stop6h 07m
Wed 11/114:00 pm -
1 stop6h 58m
Deal found 9/27![Delta logo]()
$376
This Delta deal was found by Cheapflights users on 9/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/55:20 pm -
1 stop7h 06m
Wed 11/114:00 pm -
1 stop6h 58m
Deal found 9/27![Delta logo]()
$376
This Delta deal was found by Cheapflights users on 9/25. 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 11/55:20 pm -
1 stop7h 06m
Tue 11/104:32 pm -
1 stop6h 27m
Deal found 9/25![Delta logo]()
$376
Last-minute flights from Buffalo to San AntonioDiscover last-minute flight deals from Buffalo to San Antonio. Data last updated September 28, 2026 and is based on user searches.
Discover last-minute flight deals from Buffalo to San Antonio. Data last updated September 28, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 9/24. 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 10/139:45 am -
2 stops7h 15m
Thu 10/155:10 am -
1 stop6h 50m
Deal found 9/24![Southwest logo]()
$460
This American Airlines deal was found by Cheapflights users on 9/27. 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.
Fri 10/235:50 pm -
1 stop7h 08m
Mon 10/266:05 am -
1 stop8h 01m
Deal found 9/27![American Airlines logo]()
$389
This United Airlines deal was found by Cheapflights users on 9/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/275:58 pm -
1 stop6h 37m
Thu 10/297:00 am -
1 stop6h 20m
Deal found 9/27![United Airlines logo]()
$423
This American Airlines deal was found by Cheapflights users on 9/24. 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 10/284:48 pm -
1 stop6h 12m
Fri 10/306:14 am -
1 stop7h 10m
Deal found 9/24![American Airlines logo]()
$351
This Southwest deal was found by Cheapflights users on 9/24. 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 10/289:45 am -
2 stops7h 15m
Fri 10/302:20 pm -
1 stop9h 00m
Deal found 9/24![Southwest logo]()
$381
This American Airlines deal was found by Cheapflights users on 9/25. 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.
Thu 10/298:00 am -
1 stop6h 56m
Wed 11/49:22 am -
1 stop5h 28m
Deal found 9/25![American Airlines logo]()
$313
This Southwest deal was found by Cheapflights users on 9/25. 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.
Thu 10/297:35 pm -
1 stop5h 35m
Wed 11/46:45 am -
2 stops7h 30m
Deal found 9/25![Southwest logo]()
$318
This American Airlines deal was found by Cheapflights users on 9/24. 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 10/3111:38 am -
2 stops8h 36m
Tue 11/311:22 am -
2 stops9h 15m
Deal found 9/24![American Airlines logo]()
$323
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 September 28, 2026.
Search for one-way flight options from Buffalo to San Antonio. Find affordable one-way fares based on user searches. Data last updated September 28, 2026.
This Mytrip deal was found by Cheapflights users on 9/23. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1512:53 pm -
1 stop21h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Frontier logo]()
$137
This CheapOair deal was found by Cheapflights users on 9/24. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:51 pm -
1 stop15h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Frontier logo]()
$138
This CheapOair deal was found by Cheapflights users on 9/24. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2212:53 pm -
1 stop21h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Frontier logo]()
$153
This United Airlines deal was found by Cheapflights users on 9/23. 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 10/2110:46 am -
1 stop6h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![United Airlines logo]()
$157
This United Airlines deal was found by Cheapflights users on 9/25. 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.
Sat 10/2410:46 am -
2 stops9h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![United Airlines logo]()
$162
This CheapOair deal was found by Cheapflights users on 9/25. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2512:53 pm -
1 stop21h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![Frontier logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 9/23. 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 10/211:44 pm -
2 stops33h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Frontier logo]()
$186
This Mytrip deal was found by Cheapflights users on 9/23. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1812:53 pm -
1 stop21h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Frontier logo]()
$189
This Southwest deal was found by Cheapflights users on 9/23. 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 10/237:35 pm -
1 stop5h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Southwest logo]()
$195
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 September 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $313 (Delta) |
One-way from | $137 (Mytrip) |
Popular in | June |
Cheapest in | August |
Average price | $402 |
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 September 28, 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
BuffaloSan Antonio
BUF Buffalo - SAT San Antonio
BUFSAT
Buffalo
Tue 10/20
6:51 pm-9:08 am
1 stop15h 17m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$138
BuffaloSan Antonio
BUF Buffalo - SAT San Antonio
BUFSAT
Buffalo
Wed 10/14
6:30 am-3:12 pm
1 stop9h 42m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$157
BuffaloSan Antonio
BUF Buffalo - SAT San Antonio
BUFSAT
Buffalo
Wed 11/4
5:20 pm-11:26 pm
1 stop7h 06m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$157
BuffaloSan Antonio
BUF Buffalo - SAT San Antonio
BUFSAT
Buffalo
Wed 10/21
10:46 am-4:31 pm
1 stop6h 45m
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
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
Wed 11/4
6:30 am-3:38 pm
2 stops10h 08m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$162
Quickest round-trip
BuffaloSan Antonio
BUF Buffalo - SAT San Antonio
BUFSAT
Buffalo
Fri 10/23
5:45 pm-11:05 pm
1 stop6h 20m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$195
BuffaloSan Antonio
BUF Buffalo - SAT San Antonio
BUFSAT
Buffalo
Fri 10/23
6:55 pm-12:33 am
1 stop6h 38m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$195
BuffaloSan Antonio
BUF Buffalo - SAT San Antonio
BUFSAT
Buffalo
Thu 12/3
7:00 am-3:48 pm
2 stops9h 48m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$217
BuffaloSan Antonio
BUF Buffalo - SAT San Antonio
BUFSAT
Buffalo
Thu 12/24
6:00 am-10:52 am
1 stop5h 52m
San Antonio
Wed 12/30
5:20 am-11:27 am
1 stop5h 07m
$313
Showing 1-10 of 21 resultsSorted 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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 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 June is currently the most expensive (average of $510). 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 $376 and $514 in December.The cheapest round-trip price found within the last 5 days was $313 on Delta (Dec 24-Dec 29).
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 September 28, 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.
Crew
8.6
Entertainment
7.5
Food
7.0
Comfort
8.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Entertainment
7.5
Food
7.0
Comfort
8.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Entertainment
7.5
Food
7.0
Comfort
8.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Entertainment
7.5
Food
7.0
Comfort
8.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Entertainment
7.5
Food
7.0
Comfort
8.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
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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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Buffalo and San Antonio flights
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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 September 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$260 | Average$384 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$312 | Average$488 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$312 | Average$409 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$331 | Average$433 | FlexibilityNo cancel fee | On-time69% |