$138+ Cheap flights from San Antonio to Buffalo (SAT - BUF)
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 5/14. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — BUF
May 27 — Jun 31
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from San Antonio to Buffalo 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 San Antonio to Buffalo
Cheapest
Best
Last-minute
One-way
Cheapest flights from San Antonio to BuffaloExplore the most affordable flight options available from San Antonio to Buffalo. 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 San Antonio to Buffalo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 27, 2026.
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/154:22 pm
SAT
- BUF
1 stop25h 50m
Frontier
Thu 6/189:02 pm
BUF
- SAT
1 stop19h 35m
Frontier
Deal found 4/23![Frontier logo]()
$261
This eDestinos 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/147:51 pm
SAT
- BUF
2 stops37h 49m
Frontier
Fri 7/242:50 pm
BUF
- SAT
2 stops30h 24m
Frontier
Deal found 4/22![Frontier logo]()
$298
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/174:00 pm
SAT
- BUF
1 stop7h 02m
Delta
Tue 6/236:00 am
BUF
- SAT
1 stop6h 10m
Delta
Deal found 4/24![Delta logo]()
$313
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/219:55 am
SAT
- BUF
1 stop9h 09m
Multiple Airlines
Thu 5/2811:36 am
BUF
- SAT
2 stops32h 23m
Multiple Airlines
Deal found 4/24![Multiple Airlines logo]()
$337
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.
Sat 5/165:40 am
SAT
- BUF
1 stop8h 45m
Southwest
Tue 5/196:40 am
BUF
- SAT
1 stop11h 40m
Southwest
Deal found 4/26![Southwest logo]()
$340
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/284:15 pm
SAT
- BUF
1 stop6h 44m
Delta
Sat 5/305:26 pm
BUF
- SAT
1 stop8h 18m
Delta
Deal found 4/22![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.
Tue 6/97:51 pm
SAT
- BUF
2 stops37h 49m
Frontier
Sun 6/149:02 pm
BUF
- SAT
1 stop19h 35m
Frontier
Deal found 4/23![Frontier logo]()
$358
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.
Sat 9/266:00 am
SAT
- BUF
1 stop10h 35m
Southwest
Mon 9/285:40 am
BUF
- SAT
2 stops9h 35m
Southwest
Deal found 4/22![Southwest logo]()
$359
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.
Thu 6/119:55 am
SAT
- BUF
1 stop9h 22m
Multiple Airlines
Sun 6/149:02 pm
BUF
- SAT
2 stops22h 54m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$365
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 5/149:55 am
SAT
- BUF
1 stop9h 09m
Multiple Airlines
Sun 5/1711:36 am
BUF
- SAT
2 stops29h 40m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$366
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 6/95:10 am
SAT
- BUF
1 stop5h 14m
Delta
Mon 6/157:27 pm
BUF
- SAT
1 stop6h 03m
Delta
Deal found 4/23![Delta logo]()
$367
Best flights from San Antonio to BuffaloDiscover carefully curated flight deals from San Antonio to Buffalo 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 San Antonio to Buffalo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 27, 2026.
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/268:36 am
SAT
- BUF
1 stop8h 31m
American Airlines
Mon 9/286:05 am
BUF
- SAT
1 stop8h 40m
American Airlines
Deal found 4/22![American Airlines logo]()
$347
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/284:15 pm
SAT
- BUF
1 stop6h 44m
Delta
Sat 5/305:26 pm
BUF
- SAT
1 stop8h 18m
Delta
Deal found 4/22![Delta logo]()
$347
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 8/191:44 pm
SAT
- BUF
1 stop8h 34m
United Airlines
Sun 8/237:00 am
BUF
- SAT
1 stop6h 11m
United Airlines
Deal found 4/26![United Airlines logo]()
$380
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.
Wed 8/196:40 am
SAT
- BUF
2 stops7h 35m
Southwest
Sun 8/237:00 pm
BUF
- SAT
1 stop5h 20m
Southwest
Deal found 4/26![Southwest logo]()
$428
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.
Mon 6/81:40 pm
SAT
- BUF
1 stop6h 23m
United Airlines
Wed 6/105:52 pm
BUF
- SAT
1 stop6h 02m
United Airlines
Deal found 4/26![United Airlines logo]()
$430
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/205:20 am
SAT
- BUF
1 stop5h 04m
Delta
Mon 5/256:15 am
BUF
- SAT
1 stop8h 17m
Delta
Deal found 4/24![Delta logo]()
$432
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2911:50 am
SAT
- BUF
1 stop7h 05m
Southwest
Wed 10/287:00 pm
BUF
- SAT
1 stop5h 15m
Southwest
Deal found 4/25![Southwest logo]()
$447
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.
Thu 5/281:40 pm
SAT
- BUF
1 stop6h 23m
United Airlines
Sat 5/307:00 am
BUF
- SAT
2 stops9h 39m
United Airlines
Deal found 4/22![United Airlines logo]()
$442
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.
Fri 6/2611:30 am
SAT
- BUF
1 stop6h 47m
Delta
Mon 6/295:12 pm
BUF
- SAT
1 stop8h 21m
Delta
Deal found 4/25![Delta logo]()
$447
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.
Mon 6/223:40 pm
SAT
- BUF
2 stops7h 30m
Southwest
Thu 6/258:45 am
BUF
- SAT
1 stop8h 25m
Southwest
Deal found 4/23![Southwest logo]()
$452
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/210:38 am
SAT
- BUF
1 stop7h 03m
Delta
Thu 8/68:55 am
BUF
- SAT
1 stop7h 53m
Delta
Deal found 4/26![Delta logo]()
$447
Last-minute flights from San Antonio to BuffaloDiscover last-minute flight deals from San Antonio to Buffalo. Data last updated April 27, 2026 and is based on user searches.
Discover last-minute flight deals from San Antonio to Buffalo. 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.
Thu 5/149:55 am
SAT
- BUF
1 stop9h 09m
Multiple Airlines
Sun 5/1711:36 am
BUF
- SAT
2 stops29h 40m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$366
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 5/144:15 pm
SAT
- BUF
1 stop6h 44m
Delta
Sun 5/176:25 am
BUF
- SAT
1 stop5h 29m
Delta
Deal found 4/23![Delta logo]()
$432
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.
Sat 5/165:40 am
SAT
- BUF
1 stop8h 45m
Southwest
Tue 5/196:40 am
BUF
- SAT
1 stop11h 40m
Southwest
Deal found 4/26![Southwest 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.
Sat 5/1610:06 am
SAT
- BUF
1 stop7h 32m
American Airlines
Tue 5/197:00 am
BUF
- SAT
2 stops8h 21m
American Airlines
Deal found 4/26![American Airlines logo]()
$404
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.
Mon 5/183:11 pm
SAT
- BUF
1 stop7h 08m
American Airlines
Thu 5/2112:51 pm
BUF
- SAT
1 stop8h 35m
American Airlines
Deal found 4/24![American Airlines logo]()
$420
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/219:55 am
SAT
- BUF
1 stop9h 09m
Multiple Airlines
Thu 5/2811:36 am
BUF
- SAT
2 stops32h 23m
Multiple Airlines
Deal found 4/24![Multiple Airlines logo]()
$337
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.
Thu 5/211:40 pm
SAT
- BUF
1 stop9h 14m
American Airlines
Thu 5/282:47 pm
BUF
- SAT
1 stop6h 39m
American Airlines
Deal found 4/24![American Airlines logo]()
$405
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.
Sun 5/243:25 pm
SAT
- BUF
1 stop6h 29m
Delta
Wed 5/277:39 pm
BUF
- SAT
1 stop6h 05m
Delta
Deal found 4/23![Delta logo]()
$387
This American Airlines deal was found by Cheapflights users on 4/27. 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.
Sun 5/2410:00 am
SAT
- BUF
1 stop7h 41m
American Airlines
Wed 5/272:47 pm
BUF
- SAT
1 stop6h 39m
American Airlines
Deal found 4/27![American Airlines logo]()
$419
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/284:15 pm
SAT
- BUF
1 stop6h 44m
Delta
Sat 5/305:26 pm
BUF
- SAT
1 stop8h 18m
Delta
Deal found 4/22![Delta logo]()
$347
One-way flights from San Antonio to BuffaloSearch for one-way flight options from San Antonio to Buffalo. Find affordable one-way fares based on user searches. Data last updated April 27, 2026.
Search for one-way flight options from San Antonio to Buffalo. Find affordable one-way fares based on user searches. Data last updated 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 5/149:55 am
SAT
- BUF
1 stop9h 09m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$138
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/167:54 pm
SAT
- BUF
2 stops13h 47m
Frontier
Deal found 4/22![Frontier logo]()
$156
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/92:40 pm
SAT
- BUF
1 stop8h 19m
Delta
Deal found 4/26![Delta logo]()
$157
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.
Mon 6/88:59 pm
SAT
- BUF
2 stops45h 13m
Frontier
Deal found 4/26![Frontier logo]()
$164
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 5/179:55 am
SAT
- BUF
1 stop9h 09m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$165
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.
Sun 5/245:26 pm
SAT
- BUF
2 stops40h 15m
Multiple Airlines
Deal found 4/25![Multiple Airlines logo]()
$174
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/84:15 pm
SAT
- BUF
1 stop6h 44m
Delta
Deal found 4/26![Delta logo]()
$184
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/167:55 am
SAT
- BUF
1 stop7h 21m
Delta
Deal found 4/22![Delta logo]()
$189
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/155:26 pm
SAT
- BUF
2 stops40h 15m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$190
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.
Wed 6/39:40 am
SAT
- BUF
2 stops7h 35m
Southwest
Deal found 4/24![Southwest logo]()
$205
Find flight deals from San Antonio to Buffalo
Discover tips and strategies to find the most affordable flight options for your journey from San Antonio (SAT) to Buffalo (BUF). 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 | $261 (CheapOair) |
One-way from | $138 (Kiwi.com) |
Popular in | December |
Cheapest in | August |
Average price | $403 |
Cheapflights Fare Finder
Customize your flight search to find flights from San Antonio to Buffalo 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 San Antonio to Buffalo that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San AntonioBuffalo
SAT - BUF
SATBUF
San Antonio
Sat 9/26
8:36 am-6:07 pm
1 stop8h 31m
Buffalo
Mon 9/28
6:05 am-1:45 pm
1 stop8h 40m
$347
San AntonioBuffalo
SAT - BUF
SATBUF
San Antonio
Thu 5/28
4:15 pm-11:59 pm
1 stop6h 44m
Buffalo
Sat 5/30
5:26 pm-12:44 am
1 stop8h 18m
$347
San AntonioBuffalo
SAT - BUF
SATBUF
San Antonio
Wed 8/19
1:44 pm-11:18 pm
1 stop8h 34m
Buffalo
Sun 8/23
7:00 am-12:11 pm
1 stop6h 11m
$380
San AntonioBuffalo
SAT - BUF
SATBUF
San Antonio
Wed 8/19
6:40 am-3:15 pm
2 stops7h 35m
Buffalo
Sun 8/23
7:00 pm-11:20 pm
1 stop5h 20m
$428
San AntonioBuffalo
SAT - BUF
SATBUF
San Antonio
Mon 6/8
1:40 pm-9:03 pm
1 stop6h 23m
Buffalo
Wed 6/10
5:52 pm-10:54 pm
1 stop6h 02m
$430
San AntonioBuffalo
SAT - BUF
SATBUF
San Antonio
Wed 5/20
5:20 am-11:24 am
1 stop5h 04m
Buffalo
Mon 5/25
6:15 am-1:32 pm
1 stop8h 17m
$432
San AntonioBuffalo
SAT - BUF
SATBUF
San Antonio
Thu 5/28
1:40 pm-9:03 pm
1 stop6h 23m
Buffalo
Sat 5/30
7:00 am-3:39 pm
2 stops9h 39m
$442
Quickest round-trip
San AntonioBuffalo
SAT - BUF
SATBUF
San Antonio
Wed 7/29
11:50 am-7:55 pm
1 stop7h 05m
Buffalo
Wed 10/28
7:00 pm-11:15 pm
1 stop5h 15m
$447
San AntonioBuffalo
SAT - BUF
SATBUF
San Antonio
Fri 6/26
11:30 am-7:17 pm
1 stop6h 47m
Buffalo
Mon 6/29
5:12 pm-12:33 am
1 stop8h 21m
$447
San AntonioBuffalo
SAT - BUF
SATBUF
San Antonio
Sun 8/2
10:38 am-6:41 pm
1 stop7h 03m
Buffalo
Thu 8/6
8:55 am-3:48 pm
1 stop7h 53m
$447
Showing 1-10 of 19 resultsSorted by cheapest first
Compare providers for flights from San Antonio to Buffalo
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 San Antonio to Buffalo in April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on San Antonio-Buffalo flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Antonio-Buffalo flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Antonio-Buffalo flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Antonio-Buffalo 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 San Antonio-Buffalo 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 San Antonio to Buffalo
Have a flexible travel schedule? Discover the best time to fly to Buffalo from San Antonio with our price prediction graph.
SAT-BUF
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 San Antonio to Buffalo
How far ahead should I book a flight from San Antonio to Buffalo?
Booking 21 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Antonio to Buffalo. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from San Antonio to Buffalo?
Currently, August is the cheapest month in which you can book a flight from San Antonio to Buffalo (average of $335). Flying from San Antonio to Buffalo in December is currently the most expensive (average of $535). 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 San Antonio to Buffalo?
Reviews of airlines servicing Buffalo
Get insights into the airlines that provide service to Buffalo. 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 Buffalo. Reviews last updated April 27, 2026.
Read through reviews of airlines operating flights from San Antonio to Buffalo, such as Southwest,Delta, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Overall
8.0
Food
7.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Crew
8.6
Overall
8.0
Food
7.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Crew
8.6
Overall
8.0
Food
7.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Crew
8.6
Overall
8.0
Food
7.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Crew
8.6
Overall
8.0
Food
7.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Related info for your journey
Find useful and relevant information for your journey from San Antonio to Buffalo. 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 Buffalo?
Book flights to Buffalo if you plan to visit one of these locationsLockport
Cheektowaga
Batavia
Williamsville
Orchard Park
Eden
Amherst
West Seneca
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Buffalo flight routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from San Antonio
Popular flights
Alternative routes for San Antonio to Buffalo
See prices for flight routes from nearby airports that may be better suited for you.
Other flights to Buffalo
Explore flights to Buffalo departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on April 27, 2026.
Complete your trip
Complete your trip to Buffalo by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from San Antonio to Buffalo by cabin class
Find flights from San Antonio to Buffalo, based on your preferred cabin class, be it economy, premium economy, business, or first class.
San Antonio and Buffalo flights
Browse other San Antonio and Buffalo flight options. Last updated on April 27, 2026.
Other flights from San Antonio
Browse through other flights departing from San Antonio. Flights are based on user searches made on Cheapflights and were last updated on April 27, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 4 airlines flying from San Antonio to Buffalo
Discover the top 4 airlines that operate flights from San Antonio to Buffalo. 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$209 | Average$378 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$256 | Average$371 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$334 | Average$450 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$369 | Average$472 | FlexibilityNo cancel fee | On-time63% |