$124+ 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 5/19. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SAT
Mar 20 — Mar 271
1 adult, Economy
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Find cheap flights from Buffalo to San Antonio with Cheapflights
1. Tell us where you want to go
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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Best
Last-minute
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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 February 18, 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 February 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/16. 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 5/411:25 am
BUF
- SAT
1 stop11h 53m
Multiple Airlines
Thu 5/76:00 am
SAT
- BUF
1 stop12h 13m
Multiple Airlines
Deal found 2/16![Multiple Airlines logo]()
$257
This Kiwi.com deal was found by Cheapflights users on 2/16. 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 4/1911:25 am
BUF
- SAT
1 stop22h 59m
Frontier
Wed 4/223:14 pm
SAT
- BUF
2 stops40h 33m
Frontier
Deal found 2/16![Frontier logo]()
$292
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 4/2311:25 am
BUF
- SAT
1 stop22h 59m
Frontier
Thu 4/303:14 pm
SAT
- BUF
2 stops19h 59m
Frontier
Deal found 2/17![Frontier logo]()
$298
This American Airlines deal was found by Cheapflights users on 2/14. 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 4/221:45 pm
BUF
- SAT
1 stop8h 02m
American Airlines
Wed 4/296:10 am
SAT
- BUF
1 stop5h 55m
American Airlines
Deal found 2/14![American Airlines logo]()
$313
This Kiwi.com deal was found by Cheapflights users on 2/14. 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 4/11:02 pm
BUF
- SAT
2 stops21h 25m
Multiple Airlines
Mon 4/136:00 pm
SAT
- BUF
1 stop17h 13m
Multiple Airlines
Deal found 2/14![Multiple Airlines logo]()
$325
This American Airlines deal was found by Cheapflights users on 2/17. 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.
Wed 5/67:00 am
BUF
- SAT
1 stop8h 21m
American Airlines
Mon 5/116:10 am
SAT
- BUF
1 stop5h 55m
American Airlines
Deal found 2/17![American Airlines logo]()
$332
This Kiwi.com deal was found by Cheapflights users on 2/14. 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 3/211:37 am
BUF
- SAT
1 stop13h 22m
Multiple Airlines
Fri 3/68:53 pm
SAT
- BUF
1 stop12h 56m
Multiple Airlines
Deal found 2/14![Multiple Airlines logo]()
$335
This Kiwi.com deal was found by Cheapflights users on 2/15. 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 5/1411:25 am
BUF
- SAT
1 stop11h 53m
Multiple Airlines
Sun 5/173:14 pm
SAT
- BUF
2 stops19h 59m
Multiple Airlines
Deal found 2/15![Multiple Airlines logo]()
$339
This Southwest deal was found by Cheapflights users on 2/14. 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 3/167:35 pm
BUF
- SAT
1 stop6h 15m
Southwest
Mon 3/235:15 pm
SAT
- BUF
1 stop5h 55m
Southwest
Deal found 2/14![Southwest logo]()
$351
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 February 18, 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 February 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/16. 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 5/411:25 am
BUF
- SAT
1 stop11h 53m
Multiple Airlines
Thu 5/73:14 pm
SAT
- BUF
2 stops19h 59m
Multiple Airlines
Deal found 2/16![Multiple Airlines logo]()
$261
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 4/2311:25 am
BUF
- SAT
1 stop22h 59m
Frontier
Thu 4/303:14 pm
SAT
- BUF
2 stops19h 59m
Frontier
Deal found 2/17![Frontier logo]()
$298
This Delta deal was found by Cheapflights users on 2/17. 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 3/104:53 pm
BUF
- SAT
1 stop8h 45m
Delta
Sat 3/145:10 am
SAT
- BUF
1 stop5h 11m
Delta
Deal found 2/17![Delta logo]()
$332
This Southwest deal was found by Cheapflights users on 2/14. 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 3/187:00 pm
BUF
- SAT
1 stop5h 30m
Southwest
Mon 3/235:15 pm
SAT
- BUF
1 stop5h 55m
Southwest
Deal found 2/14![Southwest logo]()
$332
This United Airlines deal was found by Cheapflights users on 2/16. 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 4/297:00 am
BUF
- SAT
1 stop6h 24m
United Airlines
Sun 5/37:00 am
SAT
- BUF
1 stop6h 10m
United Airlines
Deal found 2/16![United Airlines logo]()
$370
This Kiwi.com deal was found by Cheapflights users on 2/17. 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.
Tue 5/121:08 pm
BUF
- SAT
2 stops26h 11m
Multiple Airlines
Sun 5/176:00 am
SAT
- BUF
1 stop12h 13m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$357
This Southwest deal was found by Cheapflights users on 2/15. 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 3/244:40 pm
BUF
- SAT
1 stop6h 50m
Southwest
Fri 3/275:15 pm
SAT
- BUF
1 stop5h 55m
Southwest
Deal found 2/15![Southwest logo]()
$370
This Southwest deal was found by Cheapflights users on 2/17. 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 5/199:25 am
BUF
- SAT
1 stop7h 50m
Southwest
Sun 5/242:25 pm
SAT
- BUF
1 stop5h 10m
Southwest
Deal found 2/17![Southwest logo]()
$370
This Kiwi.com deal was found by Cheapflights users on 2/17. 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.
Tue 4/71:02 pm
BUF
- SAT
2 stops24h 25m
Multiple Airlines
Fri 4/106:00 pm
SAT
- BUF
1 stop17h 14m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$372
This Southwest deal was found by Cheapflights users on 2/16. 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 5/209:25 am
BUF
- SAT
1 stop7h 50m
Southwest
Sun 5/242:25 pm
SAT
- BUF
1 stop5h 10m
Southwest
Deal found 2/16![Southwest logo]()
$370
This Southwest deal was found by Cheapflights users on 2/14. 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 4/206:00 am
BUF
- SAT
2 stops8h 15m
Southwest
Wed 4/2212:30 pm
SAT
- BUF
2 stops6h 55m
Southwest
Deal found 2/14![Southwest logo]()
$374
Last-minute flights from Buffalo to San AntonioDiscover last-minute flight deals from Buffalo to San Antonio. Data last updated February 18, 2026 and is based on user searches.
Discover last-minute flight deals from Buffalo to San Antonio. Data last updated February 18, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 2/14. 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 3/211:37 am
BUF
- SAT
1 stop13h 22m
Multiple Airlines
Fri 3/68:53 pm
SAT
- BUF
1 stop12h 56m
Multiple Airlines
Deal found 2/14![Multiple Airlines logo]()
$335
This Kiwi.com deal was found by Cheapflights users on 2/15. 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 3/911:44 am
BUF
- SAT
1 stop9h 14m
Frontier
Fri 3/132:40 pm
SAT
- BUF
1 stop18h 17m
Frontier
Deal found 2/15![Frontier logo]()
$357
This Kiwi.com deal was found by Cheapflights users on 2/15. 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 3/912:50 pm
BUF
- SAT
2 stops21h 40m
Multiple Airlines
Fri 3/131:22 pm
SAT
- BUF
1 stop19h 35m
Multiple Airlines
Deal found 2/15![Multiple Airlines logo]()
$392
This Delta deal was found by Cheapflights users on 2/17. 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 3/104:53 pm
BUF
- SAT
1 stop8h 45m
Delta
Sat 3/145:10 am
SAT
- BUF
1 stop5h 11m
Delta
Deal found 2/17![Delta logo]()
$332
This Southwest deal was found by Cheapflights users on 2/14. 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 3/167:35 pm
BUF
- SAT
1 stop6h 15m
Southwest
Mon 3/235:15 pm
SAT
- BUF
1 stop5h 55m
Southwest
Deal found 2/14![Southwest logo]()
$351
This American Airlines deal was found by Cheapflights users on 2/14. 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.
Mon 3/164:04 pm
BUF
- SAT
2 stops8h 55m
American Airlines
Mon 3/234:41 pm
SAT
- BUF
1 stop5h 00m
American Airlines
Deal found 2/14![American Airlines logo]()
$377
This Southwest deal was found by Cheapflights users on 2/15. 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 3/174:40 pm
BUF
- SAT
1 stop6h 50m
Southwest
Fri 3/206:40 am
SAT
- BUF
1 stop11h 10m
Southwest
Deal found 2/15![Southwest logo]()
$375
This Southwest deal was found by Cheapflights users on 2/15. 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 3/244:40 pm
BUF
- SAT
1 stop6h 50m
Southwest
Fri 3/275:15 pm
SAT
- BUF
1 stop5h 55m
Southwest
Deal found 2/15![Southwest logo]()
$370
This Southwest deal was found by Cheapflights users on 2/15. 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 3/316:50 am
BUF
- SAT
1 stop9h 45m
Southwest
Thu 4/25:30 pm
SAT
- BUF
1 stop6h 10m
Southwest
Deal found 2/15![Southwest logo]()
$389
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 February 18, 2026.
Search for one-way flight options from Buffalo to San Antonio. Find affordable one-way fares based on user searches. Data last updated February 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/17. 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.
Tue 5/191:08 pm
BUF
- SAT
2 stops34h 10m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$124
This United Airlines deal was found by Cheapflights users on 2/16. 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 5/205:50 pm
BUF
- SAT
1 stop5h 59m
United Airlines
Deal found 2/16![United Airlines logo]()
$157
This Southwest deal was found by Cheapflights users on 2/17. 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.
Wed 3/114:40 pm
BUF
- SAT
2 stops8h 30m
Southwest
Deal found 2/17![Southwest logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 2/16. 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 5/201:08 pm
BUF
- SAT
2 stops21h 03m
Multiple Airlines
Deal found 2/16![Multiple Airlines logo]()
$173
This American Airlines deal was found by Cheapflights users on 2/16. 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 4/301:45 pm
BUF
- SAT
1 stop8h 02m
American Airlines
Deal found 2/16![American Airlines logo]()
$176
This Kiwi.com deal was found by Cheapflights users on 2/15. 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 4/11:02 pm
BUF
- SAT
2 stops21h 25m
Multiple Airlines
Deal found 2/15![Multiple Airlines logo]()
$199
This American Airlines deal was found by Cheapflights users on 2/15. 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 4/15:59 pm
BUF
- SAT
1 stop6h 57m
American Airlines
Deal found 2/15![American Airlines logo]()
$215
This Southwest deal was found by Cheapflights users on 2/16. 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 4/306:00 am
BUF
- SAT
2 stops7h 25m
Southwest
Deal found 2/16![Southwest logo]()
$219
This Kiwi.com deal was found by Cheapflights users on 2/15. 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 2/234:45 pm
BUF
- SAT
3 stops41h 45m
Multiple Airlines
Deal found 2/15![Multiple Airlines logo]()
$225
This Delta deal was found by Cheapflights users on 2/16. 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.
Sun 3/84:47 pm
BUF
- SAT
1 stop8h 51m
Delta
Deal found 2/16![Delta logo]()
$234
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 February 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $257 (Kiwi.com) |
One-way from | $124 (Kiwi.com) |
Popular in | March |
Cheapest in | September |
Average price | $407 |
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 February 18, 2026.
Use the filters below to find and compare flights from Buffalo to San Antonio that are best for you.
Fly from
Buffalo
Fly to
San Antonio
Route
Depart
Return
Price
BuffaloSan Antonio
BUF - SAT
BUFSAT
Buffalo
Mon 5/4
11:25 am-10:18 pm
1 stop11h 53m
San Antonio
Thu 5/7
3:14 pm-12:13 pm
2 stops19h 59m
$261
BuffaloSan Antonio
BUF - SAT
BUFSAT
Buffalo
Thu 4/23
11:25 am-9:24 am
1 stop22h 59m
San Antonio
Thu 4/30
3:14 pm-12:13 pm
2 stops19h 59m
$298
BuffaloSan Antonio
BUF - SAT
BUFSAT
Buffalo
Tue 3/10
4:53 pm-12:38 am
1 stop8h 45m
San Antonio
Sat 3/14
5:10 am-11:21 am
1 stop5h 11m
$332
BuffaloSan Antonio
BUF - SAT
BUFSAT
Buffalo
Wed 3/18
7:00 pm-11:30 pm
1 stop5h 30m
San Antonio
Mon 3/23
5:15 pm-12:10 am
1 stop5h 55m
$332
BuffaloSan Antonio
BUF - SAT
BUFSAT
Buffalo
Tue 5/12
1:08 pm-2:19 pm
2 stops26h 11m
San Antonio
Sun 5/17
6:00 am-7:13 pm
1 stop12h 13m
$357
BuffaloSan Antonio
BUF - SAT
BUFSAT
Buffalo
Wed 4/29
7:00 am-12:24 pm
1 stop6h 24m
San Antonio
Sun 5/3
7:00 am-2:10 pm
1 stop6h 10m
$370
BuffaloSan Antonio
BUF - SAT
BUFSAT
Buffalo
Tue 3/24
4:40 pm-10:30 pm
1 stop6h 50m
San Antonio
Fri 3/27
5:15 pm-12:10 am
1 stop5h 55m
$370
BuffaloSan Antonio
BUF - SAT
BUFSAT
Buffalo
Tue 5/19
9:25 am-4:15 pm
1 stop7h 50m
San Antonio
Sun 5/24
2:25 pm-8:35 pm
1 stop5h 10m
$370
BuffaloSan Antonio
BUF - SAT
BUFSAT
Buffalo
Wed 5/20
9:25 am-4:15 pm
1 stop7h 50m
San Antonio
Sun 5/24
2:25 pm-8:35 pm
1 stop5h 10m
$370
BuffaloSan Antonio
BUF - SAT
BUFSAT
Buffalo
Tue 4/7
1:02 pm-12:27 pm
2 stops24h 25m
San Antonio
Fri 4/10
6:00 pm-12:14 pm
1 stop17h 14m
$372
Showing 1-10 of 20 results
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 February.
| 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 February 13, 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, October is the cheapest month in which you can book a flight from Buffalo to San Antonio (average of $138). Flying from Buffalo to San Antonio in April is currently the most expensive (average of $241). 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 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 February 18, 2026.
Peruse reviews from past customers who have flown with Southwest, Delta, and United 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.
Overall
8.0
Entertainment
7.5
Comfort
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Overall
8.0
Entertainment
7.5
Comfort
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Overall
8.0
Entertainment
7.5
Comfort
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Overall
8.0
Entertainment
7.5
Comfort
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Overall
8.0
Entertainment
7.5
Comfort
8.0
Crew
8.6
Boarding
8.1
Food
7.0
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.
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Book flights to San Antonio if you plan to visit one of these locationsNew Braunfels
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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 2,558,603 searches. Data last updated February 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$262 | Average$397 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$280 | Average$386 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$329 | Average$416 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$335 | Average$426 | FlexibilityNo cancel fee | On-time69% |