$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 8/24. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SAT
Jun 8 — Jun 151
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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Last-minute
One-way
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 May 9, 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 May 9, 2026.
This Mytrip deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/247:57 pm
BUF
- SAT
1 stop20h 44m
Frontier
Fri 7/314:26 pm
SAT
- BUF
1 stop27h 48m
Frontier
Deal found 5/7![Frontier logo]()
$260
This Southwest deal was found by Cheapflights users on 5/7. 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 6/1611:00 am
BUF
- SAT
1 stop7h 55m
Southwest
Tue 6/232:00 pm
SAT
- BUF
1 stop6h 25m
Southwest
Deal found 5/7![Southwest logo]()
$333
This Delta deal was found by Cheapflights users on 5/6. 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 6/47:39 pm
BUF
- SAT
1 stop6h 05m
Delta
Tue 6/165:00 pm
SAT
- BUF
1 stop5h 59m
Delta
Deal found 5/6![Delta logo]()
$350
This Southwest deal was found by Cheapflights users on 5/7. 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 8/2512:35 pm
BUF
- SAT
2 stops6h 20m
Southwest
Sat 8/295:50 am
SAT
- BUF
1 stop8h 00m
Southwest
Deal found 5/7![Southwest logo]()
$355
This Delta deal was found by Cheapflights users on 5/6. 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 9/1012:09 pm
BUF
- SAT
1 stop6h 00m
Delta
Mon 9/1412:15 pm
SAT
- BUF
1 stop5h 28m
Delta
Deal found 5/6![Delta logo]()
$367
This United Airlines deal was found by Cheapflights users on 5/7. 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 9/123:08 pm
BUF
- SAT
2 stops8h 30m
United Airlines
Sat 9/262:01 pm
SAT
- BUF
1 stop5h 30m
United Airlines
Deal found 5/7![United Airlines logo]()
$372
This Delta deal was found by Cheapflights users on 5/8. 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 10/103:50 pm
BUF
- SAT
1 stop8h 30m
Delta
Mon 10/124:00 pm
SAT
- BUF
1 stop6h 05m
Delta
Deal found 5/8![Delta logo]()
$377
This Kiwi.com deal was found by Cheapflights users on 5/7. 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 7/2311:35 am
BUF
- SAT
2 stops29h 06m
Multiple Airlines
Thu 7/309:55 am
SAT
- BUF
1 stop9h 21m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$382
This Delta deal was found by Cheapflights users on 5/6. 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 6/66:25 am
BUF
- SAT
1 stop6h 51m
Delta
Tue 6/165:00 pm
SAT
- BUF
1 stop5h 59m
Delta
Deal found 5/6![Delta logo]()
$386
This Southwest deal was found by Cheapflights users on 5/8. 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 6/96:00 am
BUF
- SAT
1 stop5h 45m
Southwest
Fri 6/123:45 pm
SAT
- BUF
1 stop7h 25m
Southwest
Deal found 5/8![Southwest logo]()
$390
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 May 9, 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 May 9, 2026.
This Southwest deal was found by Cheapflights users on 5/5. 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 6/174:20 pm
BUF
- SAT
1 stop6h 40m
Southwest
Tue 6/232:00 pm
SAT
- BUF
1 stop6h 25m
Southwest
Deal found 5/5![Southwest logo]()
$333
This Delta deal was found by Cheapflights users on 5/5. 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 8/147:19 pm
BUF
- SAT
1 stop6h 09m
Delta
Tue 8/184:00 pm
SAT
- BUF
1 stop6h 58m
Delta
Deal found 5/5![Delta logo]()
$390
This United Airlines deal was found by Cheapflights users on 5/6. 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 6/237:00 am
BUF
- SAT
1 stop6h 12m
United Airlines
Sat 6/275:30 am
SAT
- BUF
2 stops10h 11m
United Airlines
Deal found 5/6![United Airlines logo]()
$395
This Delta deal was found by Cheapflights users on 5/4. 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 8/1412:16 pm
BUF
- SAT
1 stop6h 54m
Delta
Mon 8/1712:05 pm
SAT
- BUF
1 stop5h 50m
Delta
Deal found 5/4![Delta logo]()
$447
This Southwest deal was found by Cheapflights users on 5/4. 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 6/133:25 pm
BUF
- SAT
1 stop5h 00m
Southwest
Mon 6/153:45 pm
SAT
- BUF
1 stop7h 25m
Southwest
Deal found 5/4![Southwest logo]()
$447
This Delta deal was found by Cheapflights users on 5/4. 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 10/1512:09 pm
BUF
- SAT
1 stop6h 09m
Delta
Mon 10/1912:50 pm
SAT
- BUF
1 stop5h 08m
Delta
Deal found 5/4![Delta logo]()
$447
This Southwest deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/164:00 pm
BUF
- SAT
1 stop7h 45m
Southwest
Mon 10/191:55 pm
SAT
- BUF
2 stops9h 00m
Southwest
Deal found 5/4![Southwest logo]()
$452
This Southwest deal was found by Cheapflights users on 5/9. 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 6/164:25 pm
BUF
- SAT
2 stops8h 15m
Southwest
Tue 6/2312:55 pm
SAT
- BUF
2 stops7h 30m
Southwest
Deal found 5/9![Southwest logo]()
$457
This Southwest deal was found by Cheapflights users on 5/7. 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.
Sun 6/216:10 am
BUF
- SAT
1 stop5h 35m
Southwest
Sun 6/285:10 am
SAT
- BUF
1 stop5h 35m
Southwest
Deal found 5/7![Southwest logo]()
$457
This Southwest deal was found by Cheapflights users on 5/5. 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 6/265:55 pm
BUF
- SAT
2 stops8h 05m
Southwest
Mon 6/293:45 pm
SAT
- BUF
2 stops7h 25m
Southwest
Deal found 5/5![Southwest logo]()
$467
This Southwest deal was found by Cheapflights users on 5/8. 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 6/57:35 am
BUF
- SAT
1 stop6h 40m
Southwest
Fri 6/123:45 pm
SAT
- BUF
1 stop7h 25m
Southwest
Deal found 5/8![Southwest logo]()
$467
Last-minute flights from Buffalo to San AntonioDiscover last-minute flight deals from Buffalo to San Antonio. Data last updated May 9, 2026 and is based on user searches.
Discover last-minute flight deals from Buffalo to San Antonio. Data last updated May 9, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 5/6. 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 6/47:39 pm
BUF
- SAT
1 stop6h 05m
Delta
Tue 6/165:00 pm
SAT
- BUF
1 stop5h 59m
Delta
Deal found 5/6![Delta logo]()
$350
This Southwest deal was found by Cheapflights users on 5/5. 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 6/57:55 pm
BUF
- SAT
1 stop5h 10m
Southwest
Mon 6/83:45 pm
SAT
- BUF
1 stop7h 25m
Southwest
Deal found 5/5![Southwest logo]()
$407
This Delta deal was found by Cheapflights users on 5/6. 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 6/66:25 am
BUF
- SAT
1 stop6h 51m
Delta
Tue 6/165:00 pm
SAT
- BUF
1 stop5h 59m
Delta
Deal found 5/6![Delta logo]()
$386
This Southwest deal was found by Cheapflights users on 5/8. 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 6/96:00 am
BUF
- SAT
1 stop5h 45m
Southwest
Fri 6/123:45 pm
SAT
- BUF
1 stop7h 25m
Southwest
Deal found 5/8![Southwest logo]()
$390
This Southwest deal was found by Cheapflights users on 5/6. 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 6/116:05 am
BUF
- SAT
2 stops8h 20m
Southwest
Tue 6/163:15 pm
SAT
- BUF
1 stop6h 25m
Southwest
Deal found 5/6![Southwest logo]()
$405
This Kiwi.com deal was found by Cheapflights users on 5/7. 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 6/122:50 pm
BUF
- SAT
2 stops25h 47m
Frontier
Mon 6/154:22 pm
SAT
- BUF
1 stop25h 50m
Frontier
Deal found 5/7![Frontier logo]()
$398
This Southwest deal was found by Cheapflights users on 5/7. 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 6/1611:00 am
BUF
- SAT
1 stop7h 55m
Southwest
Tue 6/232:00 pm
SAT
- BUF
1 stop6h 25m
Southwest
Deal found 5/7![Southwest logo]()
$333
This Southwest deal was found by Cheapflights users on 5/5. 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 6/174:25 pm
BUF
- SAT
2 stops8h 15m
Southwest
Tue 6/232:00 pm
SAT
- BUF
2 stops7h 40m
Southwest
Deal found 5/5![Southwest logo]()
$397
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 May 9, 2026.
Search for one-way flight options from Buffalo to San Antonio. Find affordable one-way fares based on user searches. Data last updated May 9, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/7. 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 8/242:50 pm
BUF
- SAT
2 stops30h 21m
Frontier
Deal found 5/7![Frontier logo]()
$135
This Kiwi.com deal was found by Cheapflights users on 5/7. 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 8/2511:35 am
BUF
- SAT
2 stops33h 36m
Frontier
Deal found 5/7![Frontier logo]()
$155
This Kiwi.com deal was found by Cheapflights users on 5/7. 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 8/2511:35 am
BUF
- SAT
3 stops29h 38m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$157
This Delta deal was found by Cheapflights users on 5/6. 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 6/96:29 am
BUF
- SAT
1 stop5h 06m
Delta
Deal found 5/6![Delta logo]()
$167
This Delta deal was found by Cheapflights users on 5/7. 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 7/83:54 pm
BUF
- SAT
1 stop7h 28m
Delta
Deal found 5/7![Delta logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 5/6. 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 6/2511:35 am
BUF
- SAT
2 stops33h 36m
Frontier
Deal found 5/6![Frontier logo]()
$179
This Delta deal was found by Cheapflights users on 5/6. 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 6/47:39 pm
BUF
- SAT
1 stop6h 05m
Delta
Deal found 5/6![Delta logo]()
$184
This Kiwi.com deal was found by Cheapflights users on 5/6. 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 6/2012:29 pm
BUF
- SAT
2 stops31h 27m
Frontier
Deal found 5/6![Frontier logo]()
$202
This United Airlines deal was found by Cheapflights users on 5/7. 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 7/16:04 pm
BUF
- SAT
1 stop5h 53m
United Airlines
Deal found 5/7![United Airlines logo]()
$212
This United Airlines deal was found by Cheapflights users on 5/7. 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 7/710:34 am
BUF
- SAT
2 stops13h 23m
United Airlines
Deal found 5/7![United Airlines logo]()
$217
This Delta deal was found by Cheapflights users on 5/6. 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 6/66:25 am
BUF
- SAT
1 stop6h 51m
Delta
Deal found 5/6![Delta logo]()
$220
This United Airlines deal was found by Cheapflights users on 5/6. 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 6/256:04 pm
BUF
- SAT
1 stop5h 53m
United Airlines
Deal found 5/6![United Airlines logo]()
$224
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 May 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $260 (Mytrip) |
One-way from | $135 (Kiwi.com) |
Popular in | April |
Cheapest in | January |
Average price | $431 |
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 May 9, 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
Wed 6/17
4:20 pm-10:00 pm
1 stop6h 40m
San Antonio
Tue 6/23
2:00 pm-9:25 pm
1 stop6h 25m
$333
BuffaloSan Antonio
BUF - SAT
BUFSAT
Buffalo
Fri 8/14
7:19 pm-12:28 am
1 stop6h 09m
San Antonio
Tue 8/18
4:00 pm-11:58 pm
1 stop6h 58m
$390
BuffaloSan Antonio
BUF - SAT
BUFSAT
Buffalo
Tue 6/23
7:00 am-12:12 pm
1 stop6h 12m
San Antonio
Sat 6/27
5:30 am-4:41 pm
2 stops10h 11m
$395
BuffaloSan Antonio
BUF - SAT
BUFSAT
Buffalo
Fri 8/14
12:16 pm-6:10 pm
1 stop6h 54m
San Antonio
Mon 8/17
12:05 pm-6:55 pm
1 stop5h 50m
$447
BuffaloSan Antonio
BUF - SAT
BUFSAT
Buffalo
Sat 6/13
3:25 pm-7:25 pm
1 stop5h 00m
San Antonio
Mon 6/15
3:45 pm-12:10 am
1 stop7h 25m
$447
BuffaloSan Antonio
BUF - SAT
BUFSAT
Buffalo
Thu 10/15
12:09 pm-5:18 pm
1 stop6h 09m
San Antonio
Mon 10/19
12:50 pm-6:58 pm
1 stop5h 08m
$447
BuffaloSan Antonio
BUF - SAT
BUFSAT
Buffalo
Fri 10/16
4:00 pm-10:45 pm
1 stop7h 45m
San Antonio
Mon 10/19
1:55 pm-11:55 pm
2 stops9h 00m
$452
BuffaloSan Antonio
BUF - SAT
BUFSAT
Buffalo
Tue 6/16
4:25 pm-11:40 pm
2 stops8h 15m
San Antonio
Tue 6/23
12:55 pm-9:25 pm
2 stops7h 30m
$457
Quickest round-trip
BuffaloSan Antonio
BUF - SAT
BUFSAT
Buffalo
Sun 6/21
6:10 am-10:45 am
1 stop5h 35m
San Antonio
Sun 6/28
5:10 am-11:45 am
1 stop5h 35m
$457
BuffaloSan Antonio
BUF - SAT
BUFSAT
Buffalo
Fri 6/26
5:55 pm-1:00 am
2 stops8h 05m
San Antonio
Mon 6/29
3:45 pm-12:10 am
2 stops7h 25m
$467
Showing 1-10 of 23 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 May.
| 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, 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 May 9, 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.
Overall
8.0
Boarding
8.1
Food
7.0
Comfort
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Overall
8.0
Boarding
8.1
Food
7.0
Comfort
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Overall
8.0
Boarding
8.1
Food
7.0
Comfort
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Overall
8.0
Boarding
8.1
Food
7.0
Comfort
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Overall
8.0
Boarding
8.1
Food
7.0
Comfort
8.0
Entertainment
7.5
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 May 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$262 | Average$421 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$280 | Average$391 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$312 | Average$442 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$331 | Average$426 | FlexibilityNo cancel fee | On-time69% |