$135+ 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 6/1. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SAT
Apr 23 — Apr 301
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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Best
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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 March 24, 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 March 24, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/23. 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.
Mon 4/138:16 pm
BUF
- SAT
1 stop17h 11m
Multiple Airlines
Mon 4/201:51 pm
SAT
- BUF
2 stops21h 51m
Multiple Airlines
Deal found 3/23![Multiple Airlines logo]()
$262
This Delta deal was found by Cheapflights users on 3/23. 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 4/146:05 am
BUF
- SAT
1 stop5h 49m
Delta
Tue 4/144:44 pm
SAT
- BUF
1 stop4h 55m
Delta
Deal found 3/23![Delta logo]()
$287
This Kiwi.com deal was found by Cheapflights users on 3/23. 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.
Sun 4/128:59 pm
BUF
- SAT
1 stop16h 28m
Multiple Airlines
Mon 4/201:51 pm
SAT
- BUF
2 stops21h 51m
Multiple Airlines
Deal found 3/23![Multiple Airlines logo]()
$290
This Kiwi.com deal was found by Cheapflights users on 3/23. 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.
Sun 4/128:59 pm
BUF
- SAT
1 stop16h 28m
Multiple Airlines
Wed 4/154:49 pm
SAT
- BUF
2 stops17h 51m
Multiple Airlines
Deal found 3/23![Multiple Airlines logo]()
$294
This Kiwi.com deal was found by Cheapflights users on 3/24. 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.
Sat 5/92:47 pm
BUF
- SAT
1 stop23h 30m
Multiple Airlines
Sat 5/168:59 pm
SAT
- BUF
2 stops12h 42m
Multiple Airlines
Deal found 3/24![Multiple Airlines logo]()
$299
This Kiwi.com deal was found by Cheapflights users on 3/23. 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.
Mon 4/138:16 pm
BUF
- SAT
1 stop17h 11m
Multiple Airlines
Sat 4/186:30 pm
SAT
- BUF
2 stops15h 39m
Multiple Airlines
Deal found 3/23![Multiple Airlines logo]()
$301
This Kiwi.com deal was found by Cheapflights users on 3/23. 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.
Fri 4/109:05 pm
BUF
- SAT
1 stop16h 22m
Multiple Airlines
Wed 4/154:49 pm
SAT
- BUF
2 stops17h 51m
Multiple Airlines
Deal found 3/23![Multiple Airlines logo]()
$316
This Delta deal was found by Cheapflights users on 3/23. 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 4/146:00 am
BUF
- SAT
1 stop7h 59m
Delta
Thu 4/165:10 am
SAT
- BUF
1 stop5h 29m
Delta
Deal found 3/23![Delta logo]()
$317
This Kiwi.com deal was found by Cheapflights users on 3/23. 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.
Mon 4/138:16 pm
BUF
- SAT
1 stop17h 11m
Multiple Airlines
Sun 4/196:00 am
SAT
- BUF
2 stops28h 47m
Multiple Airlines
Deal found 3/23![Multiple Airlines logo]()
$325
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 March 24, 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 March 24, 2026.
This Southwest deal was found by Cheapflights users on 3/20. 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 4/238:00 pm
BUF
- SAT
1 stop5h 30m
Southwest
Sat 5/211:50 am
SAT
- BUF
1 stop5h 10m
Southwest
Deal found 3/20![Southwest logo]()
$367
This United Airlines deal was found by Cheapflights users on 3/19. 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.
Mon 4/206:02 pm
BUF
- SAT
1 stop5h 56m
United Airlines
Sat 4/252:14 pm
SAT
- BUF
2 stops8h 30m
United Airlines
Deal found 3/19![United Airlines logo]()
$372
This Kiwi.com deal was found by Cheapflights users on 3/22. 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.
Mon 4/138:16 pm
BUF
- SAT
1 stop17h 11m
Multiple Airlines
Sat 4/186:00 am
SAT
- BUF
2 stops28h 09m
Multiple Airlines
Deal found 3/22![Multiple Airlines logo]()
$399
This Southwest deal was found by Cheapflights users on 3/19. 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 4/205:20 pm
BUF
- SAT
1 stop5h 55m
Southwest
Sat 4/255:40 am
SAT
- BUF
1 stop8h 50m
Southwest
Deal found 3/19![Southwest logo]()
$367
This United Airlines deal was found by Cheapflights users on 3/21. 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 5/92:45 pm
BUF
- SAT
1 stop6h 50m
United Airlines
Sat 5/162:00 pm
SAT
- BUF
1 stop6h 01m
United Airlines
Deal found 3/21![United Airlines logo]()
$417
This Southwest deal was found by Cheapflights users on 3/19. 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 6/18:00 pm
BUF
- SAT
1 stop5h 30m
Southwest
Fri 6/53:40 pm
SAT
- BUF
2 stops7h 30m
Southwest
Deal found 3/19![Southwest logo]()
$412
This Southwest deal was found by Cheapflights users on 3/19. 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.
Tue 4/211:10 pm
BUF
- SAT
2 stops8h 55m
Southwest
Sun 4/265:15 am
SAT
- BUF
1 stop8h 00m
Southwest
Deal found 3/19![Southwest logo]()
$415
This Southwest deal was found by Cheapflights users on 3/23. 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.
Thu 4/168:00 pm
BUF
- SAT
1 stop5h 30m
Southwest
Mon 4/204:30 pm
SAT
- BUF
1 stop5h 50m
Southwest
Deal found 3/23![Southwest logo]()
$432
This Southwest deal was found by Cheapflights users on 3/24. 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.
Sat 5/96:00 am
BUF
- SAT
2 stops7h 25m
Southwest
Sat 5/1611:45 am
SAT
- BUF
2 stops7h 55m
Southwest
Deal found 3/24![Southwest logo]()
$437
Last-minute flights from Buffalo to San AntonioDiscover last-minute flight deals from Buffalo to San Antonio. Data last updated March 24, 2026 and is based on user searches.
Discover last-minute flight deals from Buffalo to San Antonio. Data last updated March 24, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 3/23. 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.
Fri 4/109:05 pm
BUF
- SAT
1 stop16h 22m
Multiple Airlines
Wed 4/154:49 pm
SAT
- BUF
2 stops17h 51m
Multiple Airlines
Deal found 3/23![Multiple Airlines logo]()
$316
This Kiwi.com deal was found by Cheapflights users on 3/23. 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.
Sun 4/128:59 pm
BUF
- SAT
1 stop16h 28m
Multiple Airlines
Mon 4/201:51 pm
SAT
- BUF
2 stops21h 51m
Multiple Airlines
Deal found 3/23![Multiple Airlines logo]()
$290
This Kiwi.com deal was found by Cheapflights users on 3/23. 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.
Sun 4/128:59 pm
BUF
- SAT
1 stop16h 28m
Multiple Airlines
Wed 4/154:49 pm
SAT
- BUF
2 stops17h 51m
Multiple Airlines
Deal found 3/23![Multiple Airlines logo]()
$294
This Kiwi.com deal was found by Cheapflights users on 3/23. 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.
Sun 4/128:59 pm
BUF
- SAT
1 stop16h 28m
Multiple Airlines
Sat 4/186:30 pm
SAT
- BUF
2 stops15h 39m
Multiple Airlines
Deal found 3/23![Multiple Airlines logo]()
$329
This Kiwi.com deal was found by Cheapflights users on 3/23. 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.
Sun 4/128:59 pm
BUF
- SAT
1 stop16h 28m
Multiple Airlines
Thu 4/166:00 am
SAT
- BUF
2 stops28h 13m
Multiple Airlines
Deal found 3/23![Multiple Airlines logo]()
$331
This Kiwi.com deal was found by Cheapflights users on 3/23. 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.
Mon 4/138:16 pm
BUF
- SAT
1 stop17h 11m
Multiple Airlines
Mon 4/201:51 pm
SAT
- BUF
2 stops21h 51m
Multiple Airlines
Deal found 3/23![Multiple Airlines logo]()
$262
This Kiwi.com deal was found by Cheapflights users on 3/23. 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.
Mon 4/138:16 pm
BUF
- SAT
1 stop17h 11m
Multiple Airlines
Sat 4/186:30 pm
SAT
- BUF
2 stops15h 39m
Multiple Airlines
Deal found 3/23![Multiple Airlines logo]()
$301
This Kiwi.com deal was found by Cheapflights users on 3/23. 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.
Mon 4/138:16 pm
BUF
- SAT
1 stop17h 11m
Multiple Airlines
Sun 4/196:00 am
SAT
- BUF
2 stops28h 47m
Multiple Airlines
Deal found 3/23![Multiple Airlines logo]()
$325
This Kiwi.com deal was found by Cheapflights users on 3/23. 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.
Mon 4/138:16 pm
BUF
- SAT
1 stop17h 11m
Multiple Airlines
Thu 4/162:12 pm
SAT
- BUF
1 stop18h 45m
Multiple Airlines
Deal found 3/23![Multiple Airlines logo]()
$326
This Delta deal was found by Cheapflights users on 3/23. 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 4/146:05 am
BUF
- SAT
1 stop5h 49m
Delta
Tue 4/144:44 pm
SAT
- BUF
1 stop4h 55m
Delta
Deal found 3/23![Delta logo]()
$287
This Delta deal was found by Cheapflights users on 3/23. 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 4/146:00 am
BUF
- SAT
1 stop7h 59m
Delta
Thu 4/165:10 am
SAT
- BUF
1 stop5h 29m
Delta
Deal found 3/23![Delta logo]()
$317
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 March 24, 2026.
Search for one-way flight options from Buffalo to San Antonio. Find affordable one-way fares based on user searches. Data last updated March 24, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/22. 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.
Mon 6/12:49 pm
BUF
- SAT
2 stops30h 25m
Frontier
Deal found 3/22![Frontier logo]()
$135
This Kiwi.com deal was found by Cheapflights users on 3/23. 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.
Fri 4/1712:08 pm
BUF
- SAT
2 stops30h 27m
Frontier
Deal found 3/23![Frontier logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 3/22. 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 6/211:36 am
BUF
- SAT
2 stops33h 38m
Frontier
Deal found 3/22![Frontier logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 3/22. 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 6/27:52 pm
BUF
- SAT
1 stop18h 25m
Multiple Airlines
Deal found 3/22![Multiple Airlines logo]()
$153
This American Airlines deal was found by Cheapflights users on 3/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1512:28 pm
BUF
- SAT
1 stop8h 37m
American Airlines
Deal found 3/19![American Airlines logo]()
$157
This Kiwi.com deal was found by Cheapflights users on 3/23. 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.
Thu 5/711:36 am
BUF
- SAT
2 stops32h 23m
Frontier
Deal found 3/23![Frontier logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 3/22. 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.
Sun 4/2612:07 pm
BUF
- SAT
2 stops12h 44m
Multiple Airlines
Deal found 3/22![Multiple Airlines logo]()
$164
This Kiwi.com deal was found by Cheapflights users on 3/23. 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.
Thu 5/78:49 pm
BUF
- SAT
3 stops47h 10m
Multiple Airlines
Deal found 3/23![Multiple Airlines logo]()
$169
This Southwest deal was found by Cheapflights users on 3/23. 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.
Thu 5/74:00 pm
BUF
- SAT
1 stop7h 15m
Southwest
Deal found 3/23![Southwest logo]()
$174
This United Airlines deal was found by Cheapflights users on 3/23. 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.
Sat 5/237:00 am
BUF
- SAT
2 stops9h 39m
United Airlines
Deal found 3/23![United Airlines logo]()
$179
This United Airlines deal was found by Cheapflights users on 3/19. 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.
Mon 6/16:00 am
BUF
- SAT
1 stop5h 59m
United Airlines
Deal found 3/19![United Airlines logo]()
$184
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 March 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $262 (Kiwi.com) |
One-way from | $135 (Kiwi.com) |
Popular in | March |
Cheapest in | September |
Average price | $467 |
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 March 24, 2026.
Use the filters below to find and compare flights from Buffalo to San Antonio that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
BuffaloSan Antonio
BUF - SAT
BUFSAT
Buffalo
Thu 4/23
8:00 pm-12:30 am
1 stop5h 30m
San Antonio
Sat 5/2
11:50 am-6:00 pm
1 stop5h 10m
$367
BuffaloSan Antonio
BUF - SAT
BUFSAT
Buffalo
Mon 4/20
5:20 pm-10:15 pm
1 stop5h 55m
San Antonio
Sat 4/25
5:40 am-3:30 pm
1 stop8h 50m
$367
BuffaloSan Antonio
BUF - SAT
BUFSAT
Buffalo
Mon 4/20
6:02 pm-10:58 pm
1 stop5h 56m
San Antonio
Sat 4/25
2:14 pm-11:44 pm
2 stops8h 30m
$372
BuffaloSan Antonio
BUF - SAT
BUFSAT
Buffalo
Mon 4/13
8:16 pm-12:27 pm
1 stop17h 11m
San Antonio
Sat 4/18
6:00 am-11:09 am
2 stops28h 09m
$399
BuffaloSan Antonio
BUF - SAT
BUFSAT
Buffalo
Mon 6/1
8:00 pm-12:30 am
1 stop5h 30m
San Antonio
Fri 6/5
3:40 pm-12:10 am
2 stops7h 30m
$412
BuffaloSan Antonio
BUF - SAT
BUFSAT
Buffalo
Tue 4/21
1:10 pm-9:05 pm
2 stops8h 55m
San Antonio
Sun 4/26
5:15 am-2:15 pm
1 stop8h 00m
$415
BuffaloSan Antonio
BUF - SAT
BUFSAT
Buffalo
Sat 5/9
2:45 pm-8:35 pm
1 stop6h 50m
San Antonio
Sat 5/16
2:00 pm-9:01 pm
1 stop6h 01m
$417
BuffaloSan Antonio
BUF - SAT
BUFSAT
Buffalo
Thu 4/16
8:00 pm-12:30 am
1 stop5h 30m
San Antonio
Mon 4/20
4:30 pm-11:20 pm
1 stop5h 50m
$432
BuffaloSan Antonio
BUF - SAT
BUFSAT
Buffalo
Sat 5/9
6:00 am-12:25 pm
2 stops7h 25m
San Antonio
Sat 5/16
11:45 am-8:40 pm
2 stops7h 55m
$437
Cheapest one-way
BuffaloSan Antonio
BUF - SAT
BUFSAT
Buffalo
Thu 5/7
4:00 pm-10:15 pm
1 stop7h 15m
$174
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 March.
| 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 March 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 March 24, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andUnited Airlines from Buffalo to San Antonio to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Food
7.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Food
7.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Food
7.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Food
7.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Comfort
8.0
Crew
8.6
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
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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 March 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$262 | Average$407 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$280 | Average$385 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$329 | Average$416 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$331 | Average$426 | FlexibilityNo cancel fee | On-time69% |