$136+ 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 8/27. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SAT
Aug 24 — Aug 311
Round-trip
1 adult, Economy
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Find cheap flights from Buffalo to San Antonio with Cheapflights
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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 July 25, 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 July 25, 2026.
This Expedia deal was found by Cheapflights users on 7/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/139:33 pm
BUF
- SAT
1 stop12h 23m
Frontier
Sat 8/229:51 am
SAT
- BUF
1 stop22h 32m
Frontier
Deal found 7/21![Frontier logo]()
$256
This American Airlines deal was found by Cheapflights users on 7/24. 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.
Mon 9/76:50 am
BUF
- SAT
1 stop5h 42m
American Airlines
Mon 9/1412:15 pm
SAT
- BUF
1 stop8h 32m
American Airlines
Deal found 7/24![American Airlines logo]()
$312
This Delta deal was found by Cheapflights users on 7/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/126:05 am
BUF
- SAT
1 stop8h 33m
Delta
Thu 9/245:15 am
SAT
- BUF
1 stop5h 07m
Delta
Deal found 7/22![Delta logo]()
$313
This United Airlines deal was found by Cheapflights users on 7/25. 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 8/226:12 am
BUF
- SAT
2 stops10h 31m
United Airlines
Sat 8/2912:15 pm
SAT
- BUF
1 stop5h 45m
United Airlines
Deal found 7/25![United Airlines logo]()
$318
This Southwest deal was found by Cheapflights users on 7/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2410:10 am
BUF
- SAT
2 stops7h 50m
Southwest
Sat 10/3112:35 pm
SAT
- BUF
2 stops7h 05m
Southwest
Deal found 7/21![Southwest logo]()
$323
This Expedia deal was found by Cheapflights users on 7/24. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/309:29 pm
BUF
- SAT
1 stop12h 27m
Frontier
Mon 8/179:51 am
SAT
- BUF
1 stop22h 32m
Frontier
Deal found 7/24![Frontier logo]()
$326
This Southwest deal was found by Cheapflights users on 7/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:45 am
BUF
- SAT
1 stop8h 50m
Southwest
Sat 9/127:20 am
SAT
- BUF
2 stops9h 15m
Southwest
Deal found 7/21![Southwest logo]()
$349
This Kiwi.com deal was found by Cheapflights users on 7/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/108:54 pm
BUF
- SAT
1 stop13h 08m
Multiple Airlines
Thu 9/179:25 am
SAT
- BUF
2 stops25h 56m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$360
This Delta deal was found by Cheapflights users on 7/25. 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.
Tue 9/226:59 pm
BUF
- SAT
1 stop6h 09m
Delta
Thu 9/245:15 am
SAT
- BUF
1 stop5h 07m
Delta
Deal found 7/25![Delta logo]()
$361
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:56 pm
BUF
- SAT
1 stop15h 43m
Frontier
Fri 10/2310:34 am
SAT
- BUF
2 stops24h 44m
Frontier
Deal found 7/22![Frontier logo]()
$370
This American Airlines deal was found by Cheapflights users on 7/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/104:31 pm
BUF
- SAT
1 stop6h 07m
American Airlines
Thu 9/1712:15 pm
SAT
- BUF
1 stop8h 32m
American Airlines
Deal found 7/20![American Airlines logo]()
$375
This Southwest deal was found by Cheapflights users on 7/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/134:35 pm
BUF
- SAT
1 stop6h 25m
Southwest
Sat 8/229:45 am
SAT
- BUF
2 stops6h 55m
Southwest
Deal found 7/21![Southwest logo]()
$376
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 July 25, 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 July 25, 2026.
This United Airlines deal was found by Cheapflights users on 7/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/175:58 pm
BUF
- SAT
1 stop5h 52m
United Airlines
Thu 8/2712:55 pm
SAT
- BUF
1 stop7h 12m
United Airlines
Deal found 7/24![United Airlines logo]()
$313
This Delta deal was found by Cheapflights users on 7/23. 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 12/154:59 pm
BUF
- SAT
1 stop8h 29m
Delta
Thu 12/1712:50 pm
SAT
- BUF
1 stop5h 08m
Delta
Deal found 7/23![Delta logo]()
$313
This Southwest deal was found by Cheapflights users on 7/23. 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.
Tue 12/158:05 am
BUF
- SAT
1 stop5h 50m
Southwest
Thu 12/172:50 pm
SAT
- BUF
2 stops7h 55m
Southwest
Deal found 7/23![Southwest logo]()
$318
This Southwest deal was found by Cheapflights users on 7/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2410:10 am
BUF
- SAT
2 stops7h 50m
Southwest
Sat 10/3112:35 pm
SAT
- BUF
2 stops7h 05m
Southwest
Deal found 7/21![Southwest logo]()
$323
This United Airlines deal was found by Cheapflights users on 7/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:55 am
BUF
- SAT
1 stop5h 57m
United Airlines
Sat 8/297:00 am
SAT
- BUF
1 stop6h 18m
United Airlines
Deal found 7/24![United Airlines logo]()
$403
This Southwest deal was found by Cheapflights users on 7/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/134:35 pm
BUF
- SAT
1 stop6h 25m
Southwest
Sat 8/229:45 am
SAT
- BUF
2 stops6h 55m
Southwest
Deal found 7/21![Southwest logo]()
$376
This United Airlines deal was found by Cheapflights users on 7/22. 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 8/265:58 pm
BUF
- SAT
1 stop5h 52m
United Airlines
Sat 8/2912:15 pm
SAT
- BUF
1 stop5h 45m
United Airlines
Deal found 7/22![United Airlines logo]()
$403
This Southwest deal was found by Cheapflights users on 7/23. 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 8/286:30 am
BUF
- SAT
2 stops9h 15m
Southwest
Tue 9/82:35 pm
SAT
- BUF
1 stop5h 35m
Southwest
Deal found 7/23![Southwest logo]()
$390
This Southwest deal was found by Cheapflights users on 7/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/209:40 am
BUF
- SAT
2 stops7h 20m
Southwest
Fri 10/237:20 am
SAT
- BUF
2 stops7h 30m
Southwest
Deal found 7/22![Southwest logo]()
$395
This Southwest deal was found by Cheapflights users on 7/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/36:55 pm
BUF
- SAT
1 stop5h 40m
Southwest
Sun 11/85:25 am
SAT
- BUF
2 stops8h 50m
Southwest
Deal found 7/21![Southwest logo]()
$395
This Southwest deal was found by Cheapflights users on 7/24. 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.
Fri 9/259:40 am
BUF
- SAT
2 stops8h 30m
Southwest
Tue 9/299:20 am
SAT
- BUF
2 stops7h 25m
Southwest
Deal found 7/24![Southwest logo]()
$405
Last-minute flights from Buffalo to San AntonioDiscover last-minute flight deals from Buffalo to San Antonio. Data last updated July 25, 2026 and is based on user searches.
Discover last-minute flight deals from Buffalo to San Antonio. Data last updated July 25, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 7/24. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/309:29 pm
BUF
- SAT
1 stop12h 27m
Frontier
Mon 8/179:51 am
SAT
- BUF
1 stop22h 32m
Frontier
Deal found 7/24![Frontier logo]()
$326
This Delta deal was found by Cheapflights users on 7/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/126:05 am
BUF
- SAT
1 stop8h 33m
Delta
Thu 9/245:15 am
SAT
- BUF
1 stop5h 07m
Delta
Deal found 7/22![Delta logo]()
$313
This Delta deal was found by Cheapflights users on 7/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/126:05 am
BUF
- SAT
1 stop6h 05m
Delta
Sun 9/205:15 am
SAT
- BUF
1 stop5h 07m
Delta
Deal found 7/22![Delta logo]()
$385
This Expedia deal was found by Cheapflights users on 7/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/139:33 pm
BUF
- SAT
1 stop12h 23m
Frontier
Sat 8/229:51 am
SAT
- BUF
1 stop22h 32m
Frontier
Deal found 7/21![Frontier logo]()
$256
This Southwest deal was found by Cheapflights users on 7/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/134:35 pm
BUF
- SAT
1 stop6h 25m
Southwest
Sat 8/229:45 am
SAT
- BUF
2 stops6h 55m
Southwest
Deal found 7/21![Southwest logo]()
$376
This Delta deal was found by Cheapflights users on 7/21. 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.
Thu 8/136:27 am
BUF
- SAT
1 stop5h 07m
Delta
Thu 8/205:15 am
SAT
- BUF
1 stop5h 07m
Delta
Deal found 7/21![Delta logo]()
$406
This American Airlines deal was found by Cheapflights users on 7/24. 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.
Fri 8/144:49 pm
BUF
- SAT
1 stop5h 26m
American Airlines
Fri 8/217:00 am
SAT
- BUF
1 stop7h 59m
American Airlines
Deal found 7/24![American Airlines logo]()
$404
This Delta deal was found by Cheapflights users on 7/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/146:27 am
BUF
- SAT
1 stop5h 07m
Delta
Wed 9/234:00 pm
SAT
- BUF
1 stop6h 53m
Delta
Deal found 7/22![Delta logo]()
$405
This American Airlines deal was found by Cheapflights users on 7/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/156:50 am
BUF
- SAT
1 stop5h 42m
American Airlines
Mon 9/212:35 pm
SAT
- BUF
1 stop6h 35m
American Airlines
Deal found 7/22![American Airlines logo]()
$403
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/172:48 pm
BUF
- SAT
2 stops31h 41m
Multiple Airlines
Thu 8/279:55 am
SAT
- BUF
1 stop9h 49m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$383
This United Airlines deal was found by Cheapflights users on 7/25. 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 8/226:12 am
BUF
- SAT
2 stops10h 31m
United Airlines
Sat 8/2912:15 pm
SAT
- BUF
1 stop5h 45m
United Airlines
Deal found 7/25![United Airlines logo]()
$318
This Southwest deal was found by Cheapflights users on 7/23. 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 8/286:30 am
BUF
- SAT
2 stops9h 15m
Southwest
Tue 9/82:35 pm
SAT
- BUF
1 stop5h 35m
Southwest
Deal found 7/23![Southwest logo]()
$390
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 July 25, 2026.
Search for one-way flight options from Buffalo to San Antonio. Find affordable one-way fares based on user searches. Data last updated July 25, 2026.
This Expedia deal was found by Cheapflights users on 7/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/279:29 pm
BUF
- SAT
1 stop12h 27m
Frontier
Deal found 7/25![Frontier logo]()
$136
This Expedia deal was found by Cheapflights users on 7/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/138:54 pm
BUF
- SAT
1 stop13h 08m
Frontier
Deal found 7/22![Frontier logo]()
$150
This Frontier deal was found by Cheapflights users on 7/23. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/108:54 pm
BUF
- SAT
1 stop13h 08m
Frontier
Deal found 7/23![Frontier logo]()
$153
This Expedia deal was found by Cheapflights users on 7/24. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/239:29 pm
BUF
- SAT
1 stop12h 27m
Frontier
Deal found 7/24![Frontier logo]()
$155
This Southwest deal was found by Cheapflights users on 7/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1411:25 am
BUF
- SAT
1 stop7h 45m
Southwest
Deal found 7/22![Southwest logo]()
$157
This Delta deal was found by Cheapflights users on 7/25. 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.
Mon 10/56:59 pm
BUF
- SAT
1 stop6h 09m
Delta
Deal found 7/25![Delta logo]()
$162
This Travelocity deal was found by Cheapflights users on 7/24. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/139:33 pm
BUF
- SAT
1 stop12h 23m
Frontier
Deal found 7/24![Frontier logo]()
$180
This Delta deal was found by Cheapflights users on 7/20. 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 12/296:25 am
BUF
- SAT
1 stop5h 55m
Delta
Deal found 7/20![Delta logo]()
$188
This Kiwi.com deal was found by Cheapflights users on 7/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/41:16 pm
BUF
- SAT
2 stops33h 23m
Frontier
Deal found 7/20![Frontier logo]()
$191
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 July 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $256 (Expedia) |
One-way from | $136 (Expedia) |
Popular in | June |
Cheapest in | January |
Average price | $479 |
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 July 25, 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
Mon 8/17
5:58 pm-10:50 pm
1 stop5h 52m
San Antonio
Thu 8/27
12:55 pm-9:07 pm
1 stop7h 12m
$313
BuffaloSan Antonio
BUF - SAT
BUFSAT
Buffalo
Tue 12/15
4:59 pm-12:28 am
1 stop8h 29m
San Antonio
Thu 12/17
12:50 pm-6:58 pm
1 stop5h 08m
$313
BuffaloSan Antonio
BUF - SAT
BUFSAT
Buffalo
Tue 12/15
8:05 am-12:55 pm
1 stop5h 50m
San Antonio
Thu 12/17
2:50 pm-11:45 pm
2 stops7h 55m
$318
BuffaloSan Antonio
BUF - SAT
BUFSAT
Buffalo
Sat 10/24
10:10 am-5:00 pm
2 stops7h 50m
San Antonio
Sat 10/31
12:35 pm-8:40 pm
2 stops7h 05m
$323
BuffaloSan Antonio
BUF - SAT
BUFSAT
Buffalo
Thu 8/13
4:35 pm-10:00 pm
1 stop6h 25m
San Antonio
Sat 8/22
9:45 am-5:40 pm
2 stops6h 55m
$376
BuffaloSan Antonio
BUF - SAT
BUFSAT
Buffalo
Fri 8/28
6:30 am-2:45 pm
2 stops9h 15m
San Antonio
Tue 9/8
2:35 pm-9:10 pm
1 stop5h 35m
$390
BuffaloSan Antonio
BUF - SAT
BUFSAT
Buffalo
Tue 10/20
9:40 am-4:00 pm
2 stops7h 20m
San Antonio
Fri 10/23
7:20 am-3:50 pm
2 stops7h 30m
$395
BuffaloSan Antonio
BUF - SAT
BUFSAT
Buffalo
Tue 11/3
6:55 pm-11:35 pm
1 stop5h 40m
San Antonio
Sun 11/8
5:25 am-3:15 pm
2 stops8h 50m
$395
BuffaloSan Antonio
BUF - SAT
BUFSAT
Buffalo
Tue 8/25
6:55 am-11:52 am
1 stop5h 57m
San Antonio
Sat 8/29
7:00 am-2:18 pm
1 stop6h 18m
$403
Quickest round-trip
BuffaloSan Antonio
BUF - SAT
BUFSAT
Buffalo
Wed 8/26
5:58 pm-10:50 pm
1 stop5h 52m
San Antonio
Sat 8/29
12:15 pm-7:00 pm
1 stop5h 45m
$403
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 July.
| 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?
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 $349). 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 $344 and $531 in August.The cheapest round-trip price found within the last 5 days was $256 on Frontier (Aug 13-Aug 22).
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 July 25, 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.
Comfort
8.0
Overall
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Comfort
8.0
Overall
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Comfort
8.0
Overall
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Comfort
8.0
Overall
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Comfort
8.0
Overall
8.0
Crew
8.6
Food
7.0
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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Buffalo and San Antonio flights
Browse other Buffalo and San Antonio flight options. Last updated on July 25, 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 July 25, 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 July 25, 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 2,558,603 searches. Data last updated July 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$260 | Average$394 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$262 | Average$399 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$312 | Average$476 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$331 | Average$427 | FlexibilityNo cancel fee | On-time69% |