$153+ Cheap flights from Buffalo to San Antonio (BUF - SAT)
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 6/18. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SAT
May 21 — May 281
Round-trip
1 adult, Economy
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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 April 21, 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 April 21, 2026.
This Delta deal was found by Cheapflights users on 4/21. 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 6/26:15 am
BUF
- SAT
1 stop5h 58m
Delta
Tue 6/94:00 pm
SAT
- BUF
1 stop7h 02m
Delta
Deal found 4/21![Delta logo]()
$287
This Kiwi.com deal was found by Cheapflights users on 4/21. 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.
Sun 5/318:49 pm
BUF
- SAT
2 stops47h 10m
Multiple Airlines
Sun 6/79:55 am
SAT
- BUF
1 stop9h 09m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$298
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 5/3012:41 pm
BUF
- SAT
2 stops31h 18m
Frontier
Fri 6/194:22 pm
SAT
- BUF
1 stop27h 58m
Frontier
Deal found 4/21![Frontier logo]()
$304
This Delta deal was found by Cheapflights users on 4/17. 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 5/266:25 am
BUF
- SAT
1 stop5h 29m
Delta
Fri 5/294:00 pm
SAT
- BUF
1 stop6h 59m
Delta
Deal found 4/17![Delta logo]()
$305
This Kiwi.com deal was found by Cheapflights users on 4/21. 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.
Sun 5/318:49 pm
BUF
- SAT
2 stops47h 10m
Frontier
Fri 6/194:22 pm
SAT
- BUF
1 stop27h 58m
Frontier
Deal found 4/21![Frontier logo]()
$315
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 5/3012:41 pm
BUF
- SAT
2 stops31h 18m
Frontier
Mon 6/154:22 pm
SAT
- BUF
1 stop25h 50m
Frontier
Deal found 4/21![Frontier logo]()
$316
This Delta deal was found by Cheapflights users on 4/21. 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 5/305:26 pm
BUF
- SAT
1 stop8h 18m
Delta
Wed 6/105:10 am
SAT
- BUF
1 stop5h 14m
Delta
Deal found 4/21![Delta logo]()
$317
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 6/411:36 am
BUF
- SAT
2 stops32h 23m
Frontier
Fri 6/194:22 pm
SAT
- BUF
1 stop27h 58m
Frontier
Deal found 4/21![Frontier logo]()
$321
This Kiwi.com deal was found by Cheapflights users on 4/21. 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.
Sun 5/318:49 pm
BUF
- SAT
2 stops47h 10m
Frontier
Mon 6/154:22 pm
SAT
- BUF
1 stop25h 50m
Frontier
Deal found 4/21![Frontier logo]()
$327
This American Airlines deal was found by Cheapflights users on 4/17. 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 5/127:00 am
BUF
- SAT
2 stops8h 21m
American Airlines
Sat 5/161:19 pm
SAT
- BUF
1 stop7h 17m
American Airlines
Deal found 4/17![American Airlines logo]()
$330
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 6/17:52 pm
BUF
- SAT
2 stops25h 22m
Frontier
Fri 6/194:22 pm
SAT
- BUF
1 stop27h 58m
Frontier
Deal found 4/21![Frontier logo]()
$332
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 6/411:36 am
BUF
- SAT
2 stops32h 23m
Frontier
Mon 6/154:22 pm
SAT
- BUF
1 stop25h 50m
Frontier
Deal found 4/21![Frontier logo]()
$333
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 April 21, 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 April 21, 2026.
This Delta deal was found by Cheapflights users on 4/17. 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 5/127:39 pm
BUF
- SAT
1 stop6h 05m
Delta
Sat 5/166:50 am
SAT
- BUF
1 stop8h 26m
Delta
Deal found 4/17![Delta logo]()
$305
This Southwest deal was found by Cheapflights users on 4/19. 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 6/115:55 pm
BUF
- SAT
1 stop6h 25m
Southwest
Sun 6/147:30 am
SAT
- BUF
2 stops8h 15m
Southwest
Deal found 4/19![Southwest logo]()
$381
This United Airlines deal was found by Cheapflights users on 4/17. 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 5/97:00 am
BUF
- SAT
1 stop6h 15m
United Airlines
Tue 5/122:00 pm
SAT
- BUF
2 stops8h 55m
United Airlines
Deal found 4/17![United Airlines logo]()
$400
This Delta deal was found by Cheapflights users on 4/17. 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 5/266:25 am
BUF
- SAT
1 stop5h 29m
Delta
Fri 5/294:00 pm
SAT
- BUF
1 stop6h 59m
Delta
Deal found 4/17![Delta logo]()
$305
This Southwest deal was found by Cheapflights users on 4/17. 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 5/2611:55 am
BUF
- SAT
1 stop10h 10m
Southwest
Fri 5/297:20 am
SAT
- BUF
2 stops8h 20m
Southwest
Deal found 4/17![Southwest logo]()
$391
This Delta deal was found by Cheapflights users on 4/21. 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 5/199:00 am
BUF
- SAT
1 stop7h 52m
Delta
Sun 5/243:25 pm
SAT
- BUF
1 stop6h 29m
Delta
Deal found 4/21![Delta logo]()
$379
This Southwest deal was found by Cheapflights users on 4/20. 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 5/284:00 pm
BUF
- SAT
1 stop7h 15m
Southwest
Sun 5/316:30 am
SAT
- BUF
1 stop9h 20m
Southwest
Deal found 4/20![Southwest logo]()
$407
This Southwest deal was found by Cheapflights users on 4/19. 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.
Mon 5/185:00 am
BUF
- SAT
1 stop6h 30m
Southwest
Wed 5/205:45 am
SAT
- BUF
1 stop5h 30m
Southwest
Deal found 4/19![Southwest logo]()
$440
Last-minute flights from Buffalo to San AntonioDiscover last-minute flight deals from Buffalo to San Antonio. Data last updated April 21, 2026 and is based on user searches.
Discover last-minute flight deals from Buffalo to San Antonio. Data last updated April 21, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 4/17. 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 5/127:00 am
BUF
- SAT
2 stops8h 21m
American Airlines
Sat 5/161:19 pm
SAT
- BUF
1 stop7h 17m
American Airlines
Deal found 4/17![American Airlines logo]()
$330
This Delta deal was found by Cheapflights users on 4/20. 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 5/126:25 am
BUF
- SAT
1 stop5h 29m
Delta
Sat 5/166:50 am
SAT
- BUF
1 stop8h 26m
Delta
Deal found 4/20![Delta logo]()
$344
This Delta deal was found by Cheapflights users on 4/17. 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 5/266:25 am
BUF
- SAT
1 stop5h 29m
Delta
Fri 5/294:00 pm
SAT
- BUF
1 stop6h 59m
Delta
Deal found 4/17![Delta logo]()
$305
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 5/3012:41 pm
BUF
- SAT
2 stops31h 18m
Multiple Airlines
Sun 6/79:55 am
SAT
- BUF
1 stop9h 09m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$287
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 5/3012:41 pm
BUF
- SAT
2 stops31h 18m
Frontier
Fri 6/194:22 pm
SAT
- BUF
1 stop27h 58m
Frontier
Deal found 4/21![Frontier logo]()
$304
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 5/3012:41 pm
BUF
- SAT
2 stops31h 18m
Frontier
Mon 6/154:22 pm
SAT
- BUF
1 stop25h 50m
Frontier
Deal found 4/21![Frontier logo]()
$316
This Delta deal was found by Cheapflights users on 4/21. 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 5/306:15 am
BUF
- SAT
1 stop8h 16m
Delta
Tue 6/911:30 am
SAT
- BUF
1 stop6h 47m
Delta
Deal found 4/21![Delta logo]()
$317
This Delta deal was found by Cheapflights users on 4/21. 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 5/306:25 am
BUF
- SAT
1 stop6h 51m
Delta
Mon 6/84:00 pm
SAT
- BUF
1 stop7h 02m
Delta
Deal found 4/21![Delta logo]()
$347
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 5/3012:41 pm
BUF
- SAT
2 stops31h 18m
Multiple Airlines
Thu 6/185:09 pm
SAT
- BUF
1 stop25h 03m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$353
This Kiwi.com deal was found by Cheapflights users on 4/21. 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.
Sun 5/318:49 pm
BUF
- SAT
2 stops47h 10m
Multiple Airlines
Sun 6/79:55 am
SAT
- BUF
1 stop9h 09m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$298
This Kiwi.com deal was found by Cheapflights users on 4/21. 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.
Sun 5/318:49 pm
BUF
- SAT
2 stops47h 10m
Frontier
Fri 6/194:22 pm
SAT
- BUF
1 stop27h 58m
Frontier
Deal found 4/21![Frontier logo]()
$315
This Kiwi.com deal was found by Cheapflights users on 4/21. 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.
Sun 5/318:49 pm
BUF
- SAT
2 stops47h 10m
Frontier
Mon 6/154:22 pm
SAT
- BUF
1 stop25h 50m
Frontier
Deal found 4/21![Frontier logo]()
$327
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 April 21, 2026.
Search for one-way flight options from Buffalo to San Antonio. Find affordable one-way fares based on user searches. Data last updated April 21, 2026.
This United Airlines deal was found by Cheapflights users on 4/19. 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 6/187:00 am
BUF
- SAT
1 stop6h 12m
United Airlines
Deal found 4/19![United Airlines logo]()
$153
This Kiwi.com deal was found by Cheapflights users on 4/17. 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 5/2111:36 am
BUF
- SAT
2 stops29h 40m
Multiple Airlines
Deal found 4/17![Multiple Airlines logo]()
$163
This United Airlines deal was found by Cheapflights users on 4/21. 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 5/305:52 pm
BUF
- SAT
1 stop6h 08m
United Airlines
Deal found 4/21![United Airlines logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 4/19. 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 6/1811:35 am
BUF
- SAT
3 stops24h 15m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$206
This Delta deal was found by Cheapflights users on 4/17. 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 5/217:39 pm
BUF
- SAT
1 stop6h 05m
Delta
Deal found 4/17![Delta logo]()
$224
This Kiwi.com deal was found by Cheapflights users on 4/17. 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.
Sun 5/38:08 pm
BUF
- SAT
3 stops21h 08m
Multiple Airlines
Deal found 4/17![Multiple Airlines logo]()
$230
This American Airlines deal was found by Cheapflights users on 4/17. 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.
Sun 5/37:00 am
BUF
- SAT
1 stop8h 21m
American Airlines
Deal found 4/17![American Airlines logo]()
$284
This American Airlines deal was found by Cheapflights users on 4/17. 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 4/3012:28 pm
BUF
- SAT
1 stop8h 37m
American Airlines
Deal found 4/17![American Airlines logo]()
$439
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 April 21, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $305 (Delta) |
One-way from | $153 (United Airlines) |
Popular in | March |
Cheapest in | September |
Average price | $470 |
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 2,558,603 searches. Data last updated April 21, 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 - SAT
BUFSAT
Buffalo
Tue 5/12
7:39 pm-12:44 am
1 stop6h 05m
San Antonio
Sat 5/16
6:50 am-4:16 pm
1 stop8h 26m
$305
BuffaloSan Antonio
BUF - SAT
BUFSAT
Buffalo
Tue 5/26
6:25 am-10:54 am
1 stop5h 29m
San Antonio
Fri 5/29
4:00 pm-11:59 pm
1 stop6h 59m
$305
BuffaloSan Antonio
BUF - SAT
BUFSAT
Buffalo
Tue 5/19
9:00 am-3:52 pm
1 stop7h 52m
San Antonio
Sun 5/24
3:25 pm-10:54 pm
1 stop6h 29m
$379
BuffaloSan Antonio
BUF - SAT
BUFSAT
Buffalo
Thu 6/11
5:55 pm-11:20 pm
1 stop6h 25m
San Antonio
Sun 6/14
7:30 am-4:45 pm
2 stops8h 15m
$381
BuffaloSan Antonio
BUF - SAT
BUFSAT
Buffalo
Tue 5/26
11:55 am-9:05 pm
1 stop10h 10m
San Antonio
Fri 5/29
7:20 am-4:40 pm
2 stops8h 20m
$391
BuffaloSan Antonio
BUF - SAT
BUFSAT
Buffalo
Sat 5/9
7:00 am-12:15 pm
1 stop6h 15m
San Antonio
Tue 5/12
2:00 pm-11:55 pm
2 stops8h 55m
$400
BuffaloSan Antonio
BUF - SAT
BUFSAT
Buffalo
Thu 5/28
4:00 pm-10:15 pm
1 stop7h 15m
San Antonio
Sun 5/31
6:30 am-4:50 pm
1 stop9h 20m
$407
Quickest round-trip
BuffaloSan Antonio
BUF - SAT
BUFSAT
Buffalo
Mon 5/18
5:00 am-10:30 am
1 stop6h 30m
San Antonio
Wed 5/20
5:45 am-12:15 pm
1 stop5h 30m
$440
Cheapest one-way
BuffaloSan Antonio
BUF - SAT
BUFSAT
Buffalo
Thu 6/18
7:00 am-12:12 pm
1 stop6h 12m
$153
BuffaloSan Antonio
BUF - SAT
BUFSAT
Buffalo
Thu 5/21
11:36 am-4:16 pm
2 stops29h 40m
$163
Showing 1-10 of 14 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 April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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?
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 April 17, 2026.
To ensure you get the cheapest price possible for a flight from Buffalo to San Antonio, you should look to book at least 38 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, September is the cheapest month in which you can book a flight from Buffalo to San Antonio (average of $349). Flying from Buffalo to San Antonio in March is currently the most expensive (average of $470). 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?
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 April 21, 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.
Boarding
8.1
Food
7.0
Crew
8.6
Overall
8.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Boarding
8.1
Food
7.0
Crew
8.6
Overall
8.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Boarding
8.1
Food
7.0
Crew
8.6
Overall
8.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Boarding
8.1
Food
7.0
Crew
8.6
Overall
8.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Boarding
8.1
Food
7.0
Crew
8.6
Overall
8.0
Comfort
8.0
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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Buffalo and San Antonio flights
Browse other Buffalo and San Antonio flight options. Last updated on April 21, 2026.
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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 2,558,603 searches. Data last updated April 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$262 | Average$421 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$280 | Average$386 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$312 | Average$442 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$331 | Average$426 | FlexibilityNo cancel fee | On-time69% |