$174+ 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 8/13. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SAT
May 27 — Jun 31
Round-trip
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Buffalo to San Antonio
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Best
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 April 27, 2026.
Explore the most affordable flight options available from Buffalo to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 27, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/23. 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 6/411:36 am
BUF
- SAT
2 stops32h 23m
Multiple Airlines
Sun 6/79:55 am
SAT
- BUF
1 stop9h 09m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$304
This United Airlines deal was found by Cheapflights users on 4/26. 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 6/176:00 am
BUF
- SAT
1 stop7h 30m
United Airlines
Tue 6/231:40 pm
SAT
- BUF
1 stop6h 23m
United Airlines
Deal found 4/26![United Airlines logo]()
$313
This Kiwi.com deal was found by Cheapflights users on 4/23. 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 6/197:57 pm
BUF
- SAT
1 stop20h 40m
Multiple Airlines
Mon 6/224:22 pm
SAT
- BUF
2 stops17h 33m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$315
This Kiwi.com deal was found by Cheapflights users on 4/23. 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 5/1411:36 am
BUF
- SAT
2 stops32h 23m
Multiple Airlines
Sun 5/179:55 am
SAT
- BUF
1 stop9h 09m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$332
This Kiwi.com deal was found by Cheapflights users on 4/23. 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 5/1011:36 am
BUF
- SAT
2 stops32h 23m
Multiple Airlines
Sun 5/179:55 am
SAT
- BUF
1 stop9h 09m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$340
This Kiwi.com deal was found by Cheapflights users on 4/26. 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 5/152:49 pm
BUF
- SAT
2 stops29h 10m
Multiple Airlines
Sun 5/179:55 am
SAT
- BUF
1 stop9h 09m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$344
This Delta deal was found by Cheapflights users on 4/23. 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.
Thu 8/134:30 pm
BUF
- SAT
1 stop6h 45m
Delta
Mon 8/174:00 pm
SAT
- BUF
1 stop6h 03m
Delta
Deal found 4/23![Delta logo]()
$347
This Kiwi.com deal was found by Cheapflights users on 4/23. 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 6/197:57 pm
BUF
- SAT
1 stop20h 40m
Frontier
Mon 6/224:22 pm
SAT
- BUF
1 stop25h 50m
Frontier
Deal found 4/23![Frontier logo]()
$375
This Delta deal was found by Cheapflights users on 4/23. 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 5/196:25 am
BUF
- SAT
1 stop5h 29m
Delta
Sun 5/245:00 pm
SAT
- BUF
1 stop5h 59m
Delta
Deal found 4/23![Delta logo]()
$379
This Delta deal was found by Cheapflights users on 4/25. 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 8/117:40 pm
BUF
- SAT
1 stop5h 35m
Delta
Fri 8/214:00 pm
SAT
- BUF
1 stop6h 03m
Delta
Deal found 4/25![Delta logo]()
$380
This Kiwi.com deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/187:41 pm
BUF
- SAT
2 stops48h 18m
Multiple Airlines
Sun 5/249:55 am
SAT
- BUF
1 stop9h 09m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$381
Best flights from Buffalo to San AntonioDiscover carefully curated flight deals from Buffalo to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 27, 2026.
Discover carefully curated flight deals from Buffalo to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 27, 2026.
This United Airlines deal was found by Cheapflights users on 4/26. 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 6/176:00 am
BUF
- SAT
1 stop7h 30m
United Airlines
Tue 6/231:40 pm
SAT
- BUF
1 stop6h 23m
United Airlines
Deal found 4/26![United Airlines logo]()
$313
This Delta deal was found by Cheapflights users on 4/23. 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 5/196:25 am
BUF
- SAT
1 stop5h 29m
Delta
Sun 5/245:00 pm
SAT
- BUF
1 stop5h 59m
Delta
Deal found 4/23![Delta logo]()
$379
This Southwest deal was found by Cheapflights users on 4/22. 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.
Thu 6/115:55 pm
BUF
- SAT
1 stop6h 25m
Southwest
Sun 6/145:10 am
SAT
- BUF
1 stop8h 15m
Southwest
Deal found 4/22![Southwest logo]()
$447
This United Airlines deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/185:55 pm
BUF
- SAT
1 stop5h 59m
United Airlines
Sun 5/241:40 pm
SAT
- BUF
1 stop6h 23m
United Airlines
Deal found 4/21![United Airlines logo]()
$442
This Southwest deal was found by Cheapflights users on 4/24. 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.
Tue 7/711:00 am
BUF
- SAT
2 stops8h 40m
Southwest
Wed 7/1512:55 pm
SAT
- BUF
2 stops7h 30m
Southwest
Deal found 4/24![Southwest logo]()
$477
This United Airlines deal was found by Cheapflights users on 4/26. 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 5/195:50 pm
BUF
- SAT
1 stop6h 04m
United Airlines
Sun 5/241:40 pm
SAT
- BUF
1 stop6h 23m
United Airlines
Deal found 4/26![United Airlines logo]()
$470
This United Airlines deal was found by Cheapflights users on 4/23. 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.
Tue 6/95:52 pm
BUF
- SAT
1 stop6h 05m
United Airlines
Wed 6/106:40 am
SAT
- BUF
1 stop13h 23m
United Airlines
Deal found 4/23![United Airlines logo]()
$489
Last-minute flights from Buffalo to San AntonioDiscover last-minute flight deals from Buffalo to San Antonio. Data last updated April 27, 2026 and is based on user searches.
Discover last-minute flight deals from Buffalo to San Antonio. Data last updated April 27, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 4/23. 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 5/1011:36 am
BUF
- SAT
2 stops32h 23m
Multiple Airlines
Sun 5/179:55 am
SAT
- BUF
1 stop9h 09m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$340
This American Airlines deal was found by Cheapflights users on 4/26. 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 5/131:45 pm
BUF
- SAT
1 stop8h 02m
American Airlines
Wed 5/206:10 am
SAT
- BUF
1 stop5h 55m
American Airlines
Deal found 4/26![American Airlines logo]()
$460
This Kiwi.com deal was found by Cheapflights users on 4/23. 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 5/1411:36 am
BUF
- SAT
2 stops32h 23m
Multiple Airlines
Sun 5/179:55 am
SAT
- BUF
1 stop9h 09m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$332
This Kiwi.com deal was found by Cheapflights users on 4/26. 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 5/152:49 pm
BUF
- SAT
2 stops29h 10m
Multiple Airlines
Sun 5/179:55 am
SAT
- BUF
1 stop9h 09m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$344
This Delta deal was found by Cheapflights users on 4/23. 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 5/196:25 am
BUF
- SAT
1 stop5h 29m
Delta
Sun 5/245:00 pm
SAT
- BUF
1 stop5h 59m
Delta
Deal found 4/23![Delta logo]()
$379
This American Airlines deal was found by Cheapflights users on 4/24. 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.
Tue 5/197:00 am
BUF
- SAT
1 stop8h 21m
American Airlines
Sun 5/242:51 pm
SAT
- BUF
1 stop6h 45m
American Airlines
Deal found 4/24![American Airlines logo]()
$457
This United Airlines deal was found by Cheapflights users on 4/25. 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.
Wed 5/207:00 am
BUF
- SAT
1 stop6h 15m
United Airlines
Mon 5/251:40 pm
SAT
- BUF
1 stop6h 23m
United Airlines
Deal found 4/25![United Airlines logo]()
$422
This United Airlines deal was found by Cheapflights users on 4/22. 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.
Fri 5/225:57 pm
BUF
- SAT
1 stop6h 02m
United Airlines
Mon 5/251:40 pm
SAT
- BUF
1 stop6h 23m
United Airlines
Deal found 4/22![United Airlines logo]()
$459
This United Airlines deal was found by Cheapflights users on 4/26. 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 5/287:00 am
BUF
- SAT
1 stop6h 12m
United Airlines
Mon 6/11:40 pm
SAT
- BUF
1 stop6h 23m
United Airlines
Deal found 4/26![United Airlines logo]()
$389
This Southwest deal was found by Cheapflights users on 4/26. 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 5/285:00 am
BUF
- SAT
2 stops9h 15m
Southwest
Mon 6/11:55 pm
SAT
- BUF
2 stops8h 25m
Southwest
Deal found 4/26![Southwest logo]()
$417
One-way flights from Buffalo to San AntonioSearch for one-way flight options from Buffalo to San Antonio. Find affordable one-way fares based on user searches. Data last updated April 27, 2026.
Search for one-way flight options from Buffalo to San Antonio. Find affordable one-way fares based on user searches. Data last updated April 27, 2026.
This United Airlines deal was found by Cheapflights users on 4/23. 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.
Thu 8/135:52 pm
BUF
- SAT
1 stop6h 03m
United Airlines
Deal found 4/23![United Airlines logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 4/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2111:50 am
BUF
- SAT
2 stops33h 24m
Frontier
Deal found 4/25![Frontier logo]()
$181
This Kiwi.com deal was found by Cheapflights users on 4/23. 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 8/1311:35 am
BUF
- SAT
3 stops24h 15m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$190
This Kiwi.com deal was found by Cheapflights users on 4/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2111:50 am
BUF
- SAT
3 stops29h 23m
Multiple Airlines
Deal found 4/25![Multiple Airlines logo]()
$224
This Southwest deal was found by Cheapflights users on 4/26. 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
Deal found 4/26![Southwest logo]()
$229
This United Airlines deal was found by Cheapflights users on 4/23. 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.
Sun 5/177:00 am
BUF
- SAT
1 stop6h 15m
United Airlines
Deal found 4/23![United Airlines logo]()
$244
This United Airlines deal was found by Cheapflights users on 4/25. 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 5/97:00 am
BUF
- SAT
1 stop6h 15m
United Airlines
Deal found 4/25![United Airlines logo]()
$284
This Southwest deal was found by Cheapflights users on 4/23. 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.
Sun 5/175:50 am
BUF
- SAT
2 stops8h 45m
Southwest
Deal found 4/23![Southwest logo]()
$352
This United Airlines deal was found by Cheapflights users on 4/26. 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.
Fri 6/269:00 am
BUF
- SAT
3 stops14h 42m
United Airlines
Deal found 4/26![United Airlines logo]()
$1,341
Find flight deals from Buffalo to San Antonio
Discover tips and strategies to find the most affordable flight options for your journey from Buffalo (BUF) to San Antonio (SAT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $304 (Kiwi.com) |
One-way from | $174 (Delta) |
Popular in | March |
Cheapest in | September |
Average price | $470 |
Cheapflights Fare Finder
Customize your flight search to find flights from Buffalo to San Antonio that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 27, 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
6:00 am-12:30 pm
1 stop7h 30m
San Antonio
Tue 6/23
1:40 pm-9:03 pm
1 stop6h 23m
$313
Quickest round-trip
BuffaloSan Antonio
BUF - SAT
BUFSAT
Buffalo
Tue 5/19
6:25 am-10:54 am
1 stop5h 29m
San Antonio
Sun 5/24
5:00 pm-11:59 pm
1 stop5h 59m
$379
BuffaloSan Antonio
BUF - SAT
BUFSAT
Buffalo
Mon 5/18
5:55 pm-10:54 pm
1 stop5h 59m
San Antonio
Sun 5/24
1:40 pm-9:03 pm
1 stop6h 23m
$442
BuffaloSan Antonio
BUF - SAT
BUFSAT
Buffalo
Thu 6/11
5:55 pm-11:20 pm
1 stop6h 25m
San Antonio
Sun 6/14
5:10 am-2:25 pm
1 stop8h 15m
$447
BuffaloSan Antonio
BUF - SAT
BUFSAT
Buffalo
Tue 5/19
5:50 pm-10:54 pm
1 stop6h 04m
San Antonio
Sun 5/24
1:40 pm-9:03 pm
1 stop6h 23m
$470
BuffaloSan Antonio
BUF - SAT
BUFSAT
Buffalo
Tue 7/7
11:00 am-6:40 pm
2 stops8h 40m
San Antonio
Wed 7/15
12:55 pm-9:25 pm
2 stops7h 30m
$477
BuffaloSan Antonio
BUF - SAT
BUFSAT
Buffalo
Tue 6/9
5:52 pm-10:57 pm
1 stop6h 05m
San Antonio
Wed 6/10
6:40 am-9:03 pm
1 stop13h 23m
$489
Cheapest one-way
BuffaloSan Antonio
BUF - SAT
BUFSAT
Buffalo
Thu 8/13
7:00 am-3:39 pm
2 stops9h 39m
$179
BuffaloSan Antonio
BUF - SAT
BUFSAT
Buffalo
Thu 8/13
11:35 am-10:50 am
3 stops24h 15m
$190
BuffaloSan Antonio
BUF - SAT
BUFSAT
Buffalo
Tue 7/21
6:03 am-1:30 pm
1 stop8h 27m
$224
Showing 1-10 of 16 resultsSorted by cheapest first
Compare providers for flights from Buffalo to San Antonio
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Buffalo to San Antonio in April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Buffalo-San Antonio flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Buffalo-San Antonio flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Buffalo-San Antonio flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Buffalo-San Antonio flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Buffalo-San Antonio flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Buffalo to San Antonio
Have a flexible travel schedule? Discover the best time to fly to San Antonio from Buffalo with our price prediction graph.
BUF-SAT
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Buffalo to San Antonio
How far ahead should I book a flight from Buffalo to San Antonio?
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 April 27, 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
Comfort
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Overall
8.0
Comfort
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Overall
8.0
Comfort
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Overall
8.0
Comfort
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Overall
8.0
Comfort
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
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Top 4 airlines flying from Buffalo to San Antonio
Discover the top 4 airlines that operate flights from Buffalo to San Antonio. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$262 | Average$421 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$280 | Average$386 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$312 | Average$442 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$331 | Average$426 | FlexibilityNo cancel fee | On-time69% |