$150+ 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 7/26. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SAT
Jul 28 — Aug 41
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
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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
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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 June 28, 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 June 28, 2026.
This Expedia deal was found by Cheapflights users on 6/27. 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 8/69:33 pm
BUF
- SAT
1 stop12h 23m
Frontier
Mon 8/109:51 am
SAT
- BUF
1 stop8h 15m
Frontier
Deal found 6/27![Frontier logo]()
$256
This American Airlines deal was found by Cheapflights users on 6/27. 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 9/511:50 am
BUF
- SAT
1 stop8h 50m
American Airlines
Wed 9/93:12 pm
SAT
- BUF
1 stop6h 47m
American Airlines
Deal found 6/27![American Airlines logo]()
$313
This Southwest deal was found by Cheapflights users on 6/23. 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.
Wed 9/98:55 am
BUF
- SAT
2 stops7h 45m
Southwest
Sat 9/127:20 am
SAT
- BUF
2 stops9h 15m
Southwest
Deal found 6/23![Southwest logo]()
$323
This American Airlines deal was found by Cheapflights users on 6/27. 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 9/102:51 pm
BUF
- SAT
1 stop6h 47m
American Airlines
Mon 9/142:03 pm
SAT
- BUF
1 stop7h 56m
American Airlines
Deal found 6/27![American Airlines logo]()
$341
This Southwest deal was found by Cheapflights users on 6/24. 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.
Mon 9/146:00 am
BUF
- SAT
1 stop7h 00m
Southwest
Tue 9/152:45 pm
SAT
- BUF
1 stop6h 00m
Southwest
Deal found 6/24![Southwest logo]()
$344
This Kiwi.com deal was found by Cheapflights users on 6/23. 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 8/2411:36 am
BUF
- SAT
2 stops32h 18m
Multiple Airlines
Thu 8/279:55 am
SAT
- BUF
1 stop9h 49m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$369
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 June 28, 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 June 28, 2026.
This Delta deal was found by Cheapflights users on 6/23. 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.
Mon 8/246:05 am
BUF
- SAT
1 stop8h 33m
Delta
Thu 8/274:00 pm
SAT
- BUF
1 stop6h 58m
Delta
Deal found 6/23![Delta logo]()
$375
This Southwest deal was found by Cheapflights users on 6/27. 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 11/1812:45 pm
BUF
- SAT
2 stops8h 45m
Southwest
Fri 11/2010:00 am
SAT
- BUF
1 stop8h 15m
Southwest
Deal found 6/27![Southwest logo]()
$385
This United Airlines deal was found by Cheapflights users on 6/23. 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 8/255:58 pm
BUF
- SAT
1 stop5h 52m
United Airlines
Wed 8/2612:55 pm
SAT
- BUF
1 stop7h 12m
United Airlines
Deal found 6/23![United Airlines logo]()
$403
This American Airlines deal was found by Cheapflights users on 6/28. 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.
Sun 8/96:09 pm
BUF
- SAT
1 stop7h 39m
American Airlines
Sat 8/1512:36 pm
SAT
- BUF
2 stops8h 19m
American Airlines
Deal found 6/28![American Airlines logo]()
$447
This Delta deal was found by Cheapflights users on 6/23. 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.
Mon 10/194:30 pm
BUF
- SAT
1 stop8h 58m
Delta
Thu 10/2210:45 am
SAT
- BUF
1 stop6h 52m
Delta
Deal found 6/23![Delta logo]()
$375
This Southwest deal was found by Cheapflights users on 6/23. 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.
Mon 8/247:10 pm
BUF
- SAT
1 stop5h 05m
Southwest
Thu 8/2712:20 pm
SAT
- BUF
2 stops8h 30m
Southwest
Deal found 6/23![Southwest logo]()
$416
This United Airlines deal was found by Cheapflights users on 6/27. 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 9/106:30 am
BUF
- SAT
2 stops10h 13m
United Airlines
Mon 9/141:00 pm
SAT
- BUF
2 stops9h 44m
United Airlines
Deal found 6/27![United Airlines logo]()
$441
This Delta deal was found by Cheapflights users on 6/23. 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 9/246:59 pm
BUF
- SAT
1 stop6h 11m
Delta
Sun 9/278:00 am
SAT
- BUF
1 stop5h 53m
Delta
Deal found 6/23![Delta logo]()
$411
This Southwest deal was found by Cheapflights users on 6/23. 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.
Mon 10/195:45 pm
BUF
- SAT
2 stops7h 30m
Southwest
Thu 10/2211:45 am
SAT
- BUF
1 stop5h 40m
Southwest
Deal found 6/23![Southwest logo]()
$416
This Southwest deal was found by Cheapflights users on 6/26. 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 10/224:00 pm
BUF
- SAT
1 stop7h 45m
Southwest
Sun 10/257:35 am
SAT
- BUF
2 stops6h 55m
Southwest
Deal found 6/26![Southwest logo]()
$420
This Southwest deal was found by Cheapflights users on 6/23. 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 8/135:40 am
BUF
- SAT
2 stops8h 10m
Southwest
Sun 8/1612:20 pm
SAT
- BUF
2 stops12h 10m
Southwest
Deal found 6/23![Southwest logo]()
$421
Last-minute flights from Buffalo to San AntonioDiscover last-minute flight deals from Buffalo to San Antonio. Data last updated June 28, 2026 and is based on user searches.
Discover last-minute flight deals from Buffalo to San Antonio. Data last updated June 28, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 6/23. 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 6/304:01 pm
BUF
- SAT
1 stop7h 20m
Delta
Sat 7/45:12 pm
SAT
- BUF
1 stop5h 32m
Delta
Deal found 6/23![Delta logo]()
$513
This American Airlines deal was found by Cheapflights users on 6/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/304:55 pm
BUF
- SAT
2 stops8h 04m
American Airlines
Sat 7/47:23 am
SAT
- BUF
1 stop8h 26m
American Airlines
Deal found 6/23![American Airlines logo]()
$547
This Trip.com deal was found by Cheapflights users on 6/25. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/29:02 pm
BUF
- SAT
1 stop19h 35m
Frontier
Fri 7/109:51 am
SAT
- BUF
1 stop8h 15m
Frontier
Deal found 6/25![Frontier logo]()
$459
This Kiwi.com deal was found by Cheapflights users on 6/25. 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.
Thu 7/210:52 am
BUF
- SAT
1 stop23h 57m
Multiple Airlines
Thu 7/99:55 am
SAT
- BUF
1 stop9h 49m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$522
This United Airlines deal was found by Cheapflights users on 6/25. 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.
Fri 7/106:15 am
BUF
- SAT
1 stop5h 44m
United Airlines
Tue 7/1412:01 pm
SAT
- BUF
2 stops9h 30m
United Airlines
Deal found 6/25![United Airlines logo]()
$572
This Kiwi.com deal was found by Cheapflights users on 6/27. 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 7/247:57 pm
BUF
- SAT
1 stop20h 44m
Frontier
Sun 7/269:32 pm
SAT
- BUF
2 stops15h 21m
Frontier
Deal found 6/27![Frontier logo]()
$406
This Kiwi.com deal was found by Cheapflights users on 6/27. 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 7/247:57 pm
BUF
- SAT
1 stop20h 44m
Multiple Airlines
Sun 7/266:40 pm
SAT
- BUF
1 stop15h 01m
Multiple Airlines
Deal found 6/27![Multiple Airlines logo]()
$449
This Southwest deal was found by Cheapflights users on 6/27. 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 7/246:05 am
BUF
- SAT
2 stops8h 20m
Southwest
Sun 7/265:20 am
SAT
- BUF
2 stops8h 05m
Southwest
Deal found 6/27![Southwest logo]()
$570
This United Airlines deal was found by Cheapflights users on 6/23. 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.
Mon 7/276:04 pm
BUF
- SAT
1 stop5h 53m
United Airlines
Sat 8/15:30 am
SAT
- BUF
2 stops10h 11m
United Airlines
Deal found 6/23![United Airlines logo]()
$559
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 June 28, 2026.
Search for one-way flight options from Buffalo to San Antonio. Find affordable one-way fares based on user searches. Data last updated June 28, 2026.
This Orbitz deal was found by Cheapflights users on 6/25. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/269:29 pm
BUF
- SAT
1 stop12h 27m
Frontier
Deal found 6/25![Frontier logo]()
$150
This American Airlines deal was found by Cheapflights users on 6/24. 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 8/412:18 pm
BUF
- SAT
1 stop8h 22m
American Airlines
Deal found 6/24![American Airlines logo]()
$157
This Kiwi.com deal was found by Cheapflights users on 6/24. 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.
Tue 8/411:29 am
BUF
- SAT
2 stops32h 25m
Frontier
Deal found 6/24![Frontier logo]()
$169
This Frontier deal was found by Cheapflights users on 6/24. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/29:29 pm
BUF
- SAT
1 stop12h 27m
Frontier
Deal found 6/24![Frontier logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 6/24. 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.
Wed 8/52:48 pm
BUF
- SAT
2 stops29h 06m
Frontier
Deal found 6/24![Frontier logo]()
$175
This Expedia deal was found by Cheapflights users on 6/23. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/99:29 pm
BUF
- SAT
1 stop12h 27m
Frontier
Deal found 6/23![Frontier logo]()
$181
This Kiwi.com deal was found by Cheapflights users on 6/24. 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.
Thu 7/305:22 pm
BUF
- SAT
2 stops18h 28m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$205
This Delta deal was found by Cheapflights users on 6/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/116:20 am
BUF
- SAT
1 stop5h 21m
Delta
Deal found 6/24![Delta logo]()
$224
This Kiwi.com deal was found by Cheapflights users on 6/23. 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 7/102:48 pm
BUF
- SAT
2 stops28h 56m
Frontier
Deal found 6/23![Frontier logo]()
$249
This Kiwi.com deal was found by Cheapflights users on 6/24. 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.
Tue 8/411:29 am
BUF
- SAT
3 stops29h 44m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$268
This Delta deal was found by Cheapflights users on 6/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/36:05 am
BUF
- SAT
1 stop6h 05m
Delta
Deal found 6/24![Delta logo]()
$270
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 June 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $256 (Expedia) |
One-way from | $150 (Orbitz) |
Popular in | June |
Cheapest in | January |
Average price | $510 |
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 June 28, 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 8/24
6:05 am-1:38 pm
1 stop8h 33m
San Antonio
Thu 8/27
4:00 pm-11:58 pm
1 stop6h 58m
$375
BuffaloSan Antonio
BUF - SAT
BUFSAT
Buffalo
Mon 10/19
4:30 pm-12:28 am
1 stop8h 58m
San Antonio
Thu 10/22
10:45 am-6:37 pm
1 stop6h 52m
$375
BuffaloSan Antonio
BUF - SAT
BUFSAT
Buffalo
Wed 11/18
12:45 pm-8:30 pm
2 stops8h 45m
San Antonio
Fri 11/20
10:00 am-7:15 pm
1 stop8h 15m
$385
BuffaloSan Antonio
BUF - SAT
BUFSAT
Buffalo
Tue 8/25
5:58 pm-10:50 pm
1 stop5h 52m
San Antonio
Wed 8/26
12:55 pm-9:07 pm
1 stop7h 12m
$403
Quickest round-trip
BuffaloSan Antonio
BUF - SAT
BUFSAT
Buffalo
Thu 9/24
6:59 pm-12:10 am
1 stop6h 11m
San Antonio
Sun 9/27
8:00 am-2:53 pm
1 stop5h 53m
$411
BuffaloSan Antonio
BUF - SAT
BUFSAT
Buffalo
Mon 8/24
7:10 pm-11:15 pm
1 stop5h 05m
San Antonio
Thu 8/27
12:20 pm-9:50 pm
2 stops8h 30m
$416
BuffaloSan Antonio
BUF - SAT
BUFSAT
Buffalo
Mon 10/19
5:45 pm-12:15 am
2 stops7h 30m
San Antonio
Thu 10/22
11:45 am-6:25 pm
1 stop5h 40m
$416
BuffaloSan Antonio
BUF - SAT
BUFSAT
Buffalo
Thu 10/22
4:00 pm-10:45 pm
1 stop7h 45m
San Antonio
Sun 10/25
7:35 am-3:30 pm
2 stops6h 55m
$420
BuffaloSan Antonio
BUF - SAT
BUFSAT
Buffalo
Thu 8/13
5:40 am-12:50 pm
2 stops8h 10m
San Antonio
Sun 8/16
12:20 pm-1:30 am
2 stops12h 10m
$421
BuffaloSan Antonio
BUF - SAT
BUFSAT
Buffalo
Thu 9/10
6:30 am-3:43 pm
2 stops10h 13m
San Antonio
Mon 9/14
1:00 pm-11:44 pm
2 stops9h 44m
$441
Showing 1-10 of 19 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 June.
| 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, January is the cheapest month in which you can book a flight from Buffalo to San Antonio (average of $350). 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?
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 June 28, 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.
Boarding
8.1
Food
7.0
Entertainment
7.5
Overall
7.9
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Boarding
8.1
Food
7.0
Entertainment
7.5
Overall
7.9
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Boarding
8.1
Food
7.0
Entertainment
7.5
Overall
7.9
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Boarding
8.1
Food
7.0
Entertainment
7.5
Overall
7.9
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Boarding
8.1
Food
7.0
Entertainment
7.5
Overall
7.9
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
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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 June 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$262 | Average$399 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$288 | Average$406 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$312 | Average$446 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$331 | Average$427 | FlexibilityNo cancel fee | On-time69% |