$107+ 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 3/8. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SAT
Mar 5 — Mar 121
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 February 3, 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 February 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 2/247:17 pm
BUF
- SAT
1 stop29h 42m
Multiple Airlines
Wed 3/1110:26 am
SAT
- BUF
2 stops24h 39m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$221
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 3/12:19 pm
BUF
- SAT
1 stop27h 01m
Multiple Airlines
Tue 3/36:00 am
SAT
- BUF
1 stop11h 21m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$281
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 2/177:17 pm
BUF
- SAT
1 stop29h 42m
Multiple Airlines
Wed 3/46:12 pm
SAT
- BUF
2 stops17h 42m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$290
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 4/1610:26 am
SAT
- BUF
2 stops21h 21m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$307
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 2/247:17 pm
BUF
- SAT
1 stop29h 42m
Multiple Airlines
Thu 2/2610:26 am
SAT
- BUF
2 stops22h 31m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$326
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 3/79:25 pm
BUF
- SAT
1 stop15h 58m
Multiple Airlines
Wed 3/181:22 pm
SAT
- BUF
2 stops21h 43m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$331
This American Airlines deal was found by Cheapflights users on 2/3. 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 5/611:31 am
BUF
- SAT
1 stop7h 13m
American Airlines
Mon 5/116:10 am
SAT
- BUF
1 stop5h 55m
American Airlines
Deal found 2/3![American Airlines logo]()
$332
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 2/107:17 pm
BUF
- SAT
1 stop29h 35m
Multiple Airlines
Tue 2/176:00 am
SAT
- BUF
1 stop11h 21m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$343
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 February 3, 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 February 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 4/1610:26 am
SAT
- BUF
2 stops21h 21m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$307
This American Airlines deal was found by Cheapflights users on 2/2. 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 5/61:45 pm
BUF
- SAT
1 stop8h 02m
American Airlines
Mon 5/116:10 am
SAT
- BUF
1 stop5h 55m
American Airlines
Deal found 2/2![American Airlines logo]()
$351
This United Airlines deal was found by Cheapflights users on 2/2. 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 4/127:00 am
BUF
- SAT
1 stop6h 24m
United Airlines
Thu 4/162:02 pm
SAT
- BUF
1 stop5h 41m
United Airlines
Deal found 2/2![United Airlines logo]()
$389
This Delta deal was found by Cheapflights users on 2/3. 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 2/285:44 pm
BUF
- SAT
1 stop6h 11m
Delta
Thu 3/125:10 am
SAT
- BUF
1 stop5h 34m
Delta
Deal found 2/3![Delta logo]()
$391
This Southwest deal was found by Cheapflights users on 2/3. 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 3/33:45 pm
BUF
- SAT
2 stops8h 20m
Southwest
Tue 3/104:20 pm
SAT
- BUF
1 stop5h 20m
Southwest
Deal found 2/3![Southwest logo]()
$397
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 3/79:25 pm
BUF
- SAT
1 stop15h 58m
Multiple Airlines
Wed 3/181:22 pm
SAT
- BUF
2 stops21h 43m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$331
This Delta deal was found by Cheapflights users on 2/3. 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 2/246:45 pm
BUF
- SAT
1 stop6h 50m
Delta
Tue 3/1010:50 am
SAT
- BUF
1 stop6h 53m
Delta
Deal found 2/3![Delta logo]()
$391
This United Airlines deal was found by Cheapflights users on 2/3. 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 5/67:50 pm
BUF
- SAT
2 stops17h 25m
United Airlines
Mon 5/112:25 pm
SAT
- BUF
2 stops18h 28m
United Airlines
Deal found 2/3![United Airlines logo]()
$395
This Delta deal was found by Cheapflights users on 2/2. 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 3/45:44 pm
BUF
- SAT
1 stop6h 11m
Delta
Fri 3/65:25 am
SAT
- BUF
1 stop5h 18m
Delta
Deal found 2/2![Delta logo]()
$392
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 3/37:17 pm
BUF
- SAT
1 stop29h 42m
Multiple Airlines
Fri 3/68:53 pm
SAT
- BUF
1 stop12h 56m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$392
Last-minute flights from Buffalo to San AntonioDiscover last-minute flight deals from Buffalo to San Antonio. Data last updated February 3, 2026 and is based on user searches.
Discover last-minute flight deals from Buffalo to San Antonio. Data last updated February 3, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 2/107:17 pm
BUF
- SAT
1 stop29h 35m
Multiple Airlines
Tue 2/176:00 am
SAT
- BUF
1 stop11h 21m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$343
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 2/177:17 pm
BUF
- SAT
1 stop29h 42m
Multiple Airlines
Wed 3/46:12 pm
SAT
- BUF
2 stops17h 42m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$290
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 2/247:17 pm
BUF
- SAT
1 stop29h 42m
Multiple Airlines
Wed 3/1110:26 am
SAT
- BUF
2 stops24h 39m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$221
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 2/247:17 pm
BUF
- SAT
1 stop29h 42m
Multiple Airlines
Thu 2/2610:26 am
SAT
- BUF
2 stops22h 31m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$326
This Delta deal was found by Cheapflights users on 2/3. 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 2/256:35 pm
BUF
- SAT
1 stop7h 00m
Delta
Thu 3/128:00 am
SAT
- BUF
1 stop6h 51m
Delta
Deal found 2/3![Delta logo]()
$391
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 3/12:19 pm
BUF
- SAT
1 stop27h 01m
Multiple Airlines
Tue 3/36:00 am
SAT
- BUF
1 stop11h 21m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$281
This Southwest deal was found by Cheapflights users on 2/3. 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 3/33:45 pm
BUF
- SAT
1 stop6h 25m
Southwest
Tue 3/1011:40 am
SAT
- BUF
1 stop5h 40m
Southwest
Deal found 2/3![Southwest logo]()
$392
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 3/79:25 pm
BUF
- SAT
1 stop15h 58m
Multiple Airlines
Wed 3/181:22 pm
SAT
- BUF
2 stops21h 43m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$331
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 February 3, 2026.
Search for one-way flight options from Buffalo to San Antonio. Find affordable one-way fares based on user searches. Data last updated February 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 3/89:25 pm
BUF
- SAT
1 stop16h 58m
Frontier
Deal found 2/3![Frontier logo]()
$107
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 3/89:25 pm
BUF
- SAT
2 stops37h 05m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$116
This Trip.com deal was found by Cheapflights users on 2/2. 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.
Mon 2/162:01 pm
BUF
- SAT
2 stops20h 29m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$250
This Delta deal was found by Cheapflights users on 2/2. 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 2/165:44 pm
BUF
- SAT
1 stop6h 11m
Delta
Deal found 2/2![Delta logo]()
$272
This American Airlines deal was found by Cheapflights users on 2/1. 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 2/186:30 am
BUF
- SAT
1 stop8h 48m
American Airlines
Deal found 2/1![American Airlines logo]()
$274
This American Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/166:01 pm
BUF
- SAT
1 stop6h 56m
American Airlines
Deal found 2/2![American Airlines logo]()
$295
This Southwest deal was found by Cheapflights users on 2/2. 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 2/165:40 am
BUF
- SAT
2 stops9h 00m
Southwest
Deal found 2/2![Southwest logo]()
$302
This deal was found by Cheapflights users on 2/3. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/206:00 am
BUF
- SAT
1 stop6h 03m
United Airlines
Deal found 2/3![United Airlines logo]()
$358
This American Airlines deal was found by Cheapflights users on 2/2. 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 2/156:09 pm
BUF
- SAT
1 stop6h 47m
American Airlines
Deal found 2/2![American Airlines logo]()
$416
This Delta deal was found by Cheapflights users on 2/2. 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 2/136:45 pm
BUF
- SAT
1 stop6h 50m
Delta
Deal found 2/2![Delta logo]()
$419
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 February 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $281 (Kiwi.com) |
One-way from | $107 (Kiwi.com) |
Popular in | March |
Cheapest in | September |
Average price | $398 |
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 February 3, 2026.
Use the filters below to find and compare flights from Buffalo to San Antonio that are best for you.
Fly from
Buffalo
Fly to
San Antonio
Route
Depart
Return
Price
BuffaloSan Antonio
BUF - SAT
BUFSAT
Buffalo
Sun 4/12
8:59 pm-12:27 pm
1 stop16h 28m
San Antonio
Thu 4/16
10:26 am-8:47 am
2 stops21h 21m
$307
BuffaloSan Antonio
BUF - SAT
BUFSAT
Buffalo
Sat 3/7
9:25 pm-12:23 pm
1 stop15h 58m
San Antonio
Wed 3/18
1:22 pm-12:05 pm
2 stops21h 43m
$331
BuffaloSan Antonio
BUF - SAT
BUFSAT
Buffalo
Wed 5/6
1:45 pm-8:47 pm
1 stop8h 02m
San Antonio
Mon 5/11
6:10 am-1:05 pm
1 stop5h 55m
$351
BuffaloSan Antonio
BUF - SAT
BUFSAT
Buffalo
Sun 4/12
7:00 am-12:24 pm
1 stop6h 24m
San Antonio
Thu 4/16
2:02 pm-8:43 pm
1 stop5h 41m
$389
BuffaloSan Antonio
BUF - SAT
BUFSAT
Buffalo
Sat 2/28
5:44 pm-10:55 pm
1 stop6h 11m
San Antonio
Thu 3/12
5:10 am-11:44 am
1 stop5h 34m
$391
BuffaloSan Antonio
BUF - SAT
BUFSAT
Buffalo
Tue 2/24
6:45 pm-12:35 am
1 stop6h 50m
San Antonio
Tue 3/10
10:50 am-6:43 pm
1 stop6h 53m
$391
BuffaloSan Antonio
BUF - SAT
BUFSAT
Buffalo
Wed 3/4
5:44 pm-10:55 pm
1 stop6h 11m
San Antonio
Fri 3/6
5:25 am-11:43 am
1 stop5h 18m
$392
BuffaloSan Antonio
BUF - SAT
BUFSAT
Buffalo
Tue 3/3
7:17 pm-11:59 pm
1 stop29h 42m
San Antonio
Fri 3/6
8:53 pm-10:49 am
1 stop12h 56m
$392
BuffaloSan Antonio
BUF - SAT
BUFSAT
Buffalo
Wed 5/6
7:50 pm-12:15 pm
2 stops17h 25m
San Antonio
Mon 5/11
2:25 pm-9:53 am
2 stops18h 28m
$395
BuffaloSan Antonio
BUF - SAT
BUFSAT
Buffalo
Tue 3/3
3:45 pm-11:05 pm
2 stops8h 20m
San Antonio
Tue 3/10
4:20 pm-10:40 pm
1 stop5h 20m
$397
Showing 1-10 of 21 results
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 February.
| 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 January 30, 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 February is currently the most expensive (average of $250). 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 February 3, 2026.
Peruse reviews from past customers who have flown with Southwest, Delta, and United 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
Overall
8.0
Entertainment
7.5
Food
7.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Boarding
8.1
Overall
8.0
Entertainment
7.5
Food
7.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Boarding
8.1
Overall
8.0
Entertainment
7.5
Food
7.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Boarding
8.1
Overall
8.0
Entertainment
7.5
Food
7.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Boarding
8.1
Overall
8.0
Entertainment
7.5
Food
7.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Related info for your journey
Find useful and relevant information for your journey from Buffalo to San Antonio. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San Antonio?
Book flights to San Antonio if you plan to visit one of these locationsNew Braunfels
Kerrville
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Buffalo and San Antonio flights
Browse other Buffalo and San Antonio flight options. Last updated on February 3, 2026.
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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 February 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$262 | Average$409 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$280 | Average$386 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$329 | Average$418 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$335 | Average$427 | FlexibilityNo cancel fee | On-time69% |