Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from San Antonio to Buffalo from $137

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Antonio to Buffalo departing on 3/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from San Antonio to Buffalo

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:00 am - 11:39 am
SAT
-
BUF
28h 39m
1 stop
Multiple Airlines Logo
11:44 am - 7:58 pm
BUF
-
SAT
9h 14m
1 stop
$199Multiple Airlines
Wed, Mar 4 - Mon, Mar 9
Multiple Airlines Logo
10:26 am - 12:54 pm
SAT
-
BUF
25h 28m
2 stops
Multiple Airlines Logo
11:44 am - 7:58 pm
BUF
-
SAT
9h 14m
1 stop
$208Multiple Airlines
Wed, Mar 4 - Mon, Mar 9
Multiple Airlines Logo
1:57 pm - 10:49 am
SAT
-
BUF
19h 52m
1 stop
Multiple Airlines Logo
1:03 pm - 9:30 am
BUF
-
SAT
21h 27m
2 stops
$250Multiple Airlines
Thu, Mar 5 - Fri, Mar 6
Frontier Logo
6:12 pm - 11:34 am
SAT
-
BUF
16h 22m
2 stops
Frontier Logo
11:44 am - 7:58 pm
BUF
-
SAT
9h 14m
1 stop
$253Frontier
Wed, Feb 25 - Mon, Mar 9
Frontier Logo
10:23 am - 10:49 am
SAT
-
BUF
23h 26m
1 stop
Frontier Logo
11:25 am - 9:24 am
BUF
-
SAT
22h 59m
1 stop
$254Frontier
Fri, Apr 24 - Sun, Apr 26
Frontier Logo
1:57 pm - 10:49 am
SAT
-
BUF
19h 52m
1 stop
Frontier Logo
9:25 pm - 1:23 pm
BUF
-
SAT
16h 58m
1 stop
$261Frontier
Thu, Mar 5 - Fri, Mar 6
Multiple Airlines Logo
3:14 pm - 12:13 pm
SAT
-
BUF
19h 59m
2 stops
Multiple Airlines Logo
11:25 am - 10:18 pm
BUF
-
SAT
11h 53m
1 stop
$269Multiple Airlines
Tue, May 12 - Mon, May 18
Multiple Airlines Logo
6:00 am - 11:34 am
SAT
-
BUF
28h 34m
1 stop
Multiple Airlines Logo
11:44 am - 7:58 pm
BUF
-
SAT
9h 14m
1 stop
$272Multiple Airlines
Wed, Feb 25 - Mon, Mar 9
Multiple Airlines Logo
1:22 pm - 12:05 pm
SAT
-
BUF
21h 43m
2 stops
Multiple Airlines Logo
9:25 pm - 12:27 pm
BUF
-
SAT
16h 02m
1 stop
$286Multiple Airlines
Wed, Mar 25 - Mon, Mar 30
Multiple Airlines Logo
10:22 am - 12:05 pm
SAT
-
BUF
24h 43m
2 stops
Multiple Airlines Logo
9:25 pm - 12:27 pm
BUF
-
SAT
16h 02m
1 stop
$291Multiple Airlines
Thu, Mar 26 - Mon, Mar 30

United Airlines flights from San Antonio to Buffalo

Our best United Airlines deals on San Antonio to Buffalo flight tickets
United Airlines
Mar 24
SAT7:30 amSan Antonio
5h 44m
1 stop
BUF2:14 pmBuffalo
Mar 31
BUF7:00 amBuffalo
9h 46m
2 stops
SAT3:46 pmSan Antonio
$359
United Airlines
Mar 18
SAT11:53 amSan Antonio
11h 03m
2 stops
BUF11:56 pmBuffalo
Mar 25
BUF7:00 amBuffalo
9h 33m
2 stops
SAT3:33 pmSan Antonio
$422
United Airlines
Jun 4
SAT1:40 pmSan Antonio
6h 23m
1 stop
BUF9:03 pmBuffalo
Jun 11
BUF5:52 pmBuffalo
6h 02m
1 stop
SAT10:54 pmSan Antonio
$427

Southwest flights from San Antonio to Buffalo

Our best Southwest deals on San Antonio to Buffalo flight tickets
Southwest
Mar 12
SAT4:20 pmSan Antonio
5h 55m
1 stop
BUF11:15 pmBuffalo
Mar 19
BUF3:55 pmBuffalo
8h 05m
1 stop
SAT11:00 pmSan Antonio
$389
Southwest
Mar 4
SAT6:35 amSan Antonio
7h 35m
2 stops
BUF3:10 pmBuffalo
Mar 9
BUF3:55 pmBuffalo
8h 45m
2 stops
SAT11:40 pmSan Antonio
$401
Southwest
May 12
SAT8:20 amSan Antonio
7h 00m
2 stops
BUF4:20 pmBuffalo
May 18
BUF5:45 amBuffalo
8h 30m
2 stops
SAT1:15 pmSan Antonio
$412

momondo 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, momondo users made 832,500 searches. Data last updated February 14, 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

Price

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Wed 3/4

6:00 am-11:39 am

1 stop28h 39m

Buffalo

Mon 3/9

11:44 am-7:58 pm

1 stop9h 14m

$199

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Wed 3/4

10:26 am-12:54 pm

2 stops25h 28m

Buffalo

Mon 3/9

11:44 am-7:58 pm

1 stop9h 14m

$208

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Thu 3/5

1:57 pm-10:49 am

1 stop19h 52m

Buffalo

Fri 3/6

1:03 pm-9:30 am

2 stops21h 27m

$250

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Wed 2/25

6:12 pm-11:34 am

2 stops16h 22m

Buffalo

Mon 3/9

11:44 am-7:58 pm

1 stop9h 14m

$253

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Fri 4/24

10:23 am-10:49 am

1 stop23h 26m

Buffalo

Sun 4/26

11:25 am-9:24 am

1 stop22h 59m

$254

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Thu 3/5

1:57 pm-10:49 am

1 stop19h 52m

Buffalo

Fri 3/6

9:25 pm-1:23 pm

1 stop16h 58m

$261

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Tue 5/12

3:14 pm-12:13 pm

2 stops19h 59m

Buffalo

Mon 5/18

11:25 am-10:18 pm

1 stop11h 53m

$269

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Wed 2/25

6:00 am-11:34 am

1 stop28h 34m

Buffalo

Mon 3/9

11:44 am-7:58 pm

1 stop9h 14m

$272

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Wed 3/25

1:22 pm-12:05 pm

2 stops21h 43m

Buffalo

Mon 3/30

9:25 pm-12:27 pm

1 stop16h 02m

$286

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Thu 3/26

10:22 am-12:05 pm

2 stops24h 43m

Buffalo

Mon 3/30

9:25 pm-12:27 pm

1 stop16h 02m

$291

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Buffalo from

How to get the cheapest flight ticket from San Antonio to Buffalo

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Buffalo?

If you aren’t able to travel during the month of August, then book flights to Buffalo from San Antonio during May instead. Flights to Buffalo in May, while not as cheap as those in August, still average around $334.

How have San Antonio to Buffalo flight prices changed over time?

As of February 2026, prices for San Antonio to Buffalo flights are approximately 5% cheaper when compared to flights at the same time last year.

When to book flights from San Antonio to Buffalo

Are you open to changing your travel dates? Check out the ideal times to fly from San Antonio to Buffalo according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San Antonio to Buffalo (SAT to BUF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Antonio to Buffalo

Fastest flight time

5h 34m

Direct flights

None
The fastest flight from San Antonio to Buffalo takes 5h 34m
There are no direct flights from San Antonio to Buffalo. There are no popular flight routes from San Antonio to Buffalo.
Search flight deals

  • How far is San Antonio to Buffalo by plane?

    San Antonio and Buffalo are 1428.7 mi apart from one another. A reasonable flight in good conditions will take 5h 34m.

  • When did momondo last update prices for flights from San Antonio Airport to Buffalo Airport?

    Prices for flights from San Antonio Airport to Buffalo Airport refresh daily.

  • How many operators does momondo search for flights from San Antonio Airport to Buffalo Airport?

  • How old do you have to be to fly from San Antonio Airport to Buffalo Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San Antonio Airport to Buffalo Airport.

  • What documentation or ID do you need to fly to Buffalo Airport?

    The travel and health documents you'll need for your trip to Buffalo Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Buffalo Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from San Antonio to Buffalo?

Best airlines flying from San Antonio to Buffalo

Compare and see reviews for airlines that fly from San Antonio to Buffalo with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $125Free CancellationRating
7.4
9,289 reviews
Search United Airlines flights
American AirlinesPriceFrom $209Free CancellationRating
7.2
11,288 reviews
Search American Airlines flights
DeltaPriceFrom $256Free CancellationRating
7.9
8,203 reviews
Search Delta flights
SouthwestPriceFrom $369Free CancellationRating
8.0
4,284 reviews
Search Southwest flights

Traveling to a place near Buffalo?

Book flights to Buffalo if you plan to visit one of these locations
Batavia
Cheektowaga
Amherst
Grand Island
Tonawanda
Williamsville
Orchard Park
Lockport
West Seneca
Bowmansville
East Aurora
Eden
Angola

Why use momondo?

Why should I use momondo to find a flight deal from San Antonio to Buffalo?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from San Antonio to Buffalo. momondo saves you time and could save you money on your trip.

Can I find flights from San Antonio to Buffalo with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Buffalo from San Antonio with this policy.

How can momondo help me find flights from San Antonio to Buffalo?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from San Antonio to Buffalo.

I’m not ready to book a flight from San Antonio to Buffalo right now. Can momondo alert me if prices change?

Yes. momondo can track prices for San Antonio to Buffalo flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Buffalo trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 3/16
Mon 3/23
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States