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Cheap flights from San Antonio to Buffalo from $88

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 10/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from San Antonio to Buffalo (SAT-BUF)

Cheap round-trip flights

Frontier Logo
8:16 pm - 4:02 pmSAT-BUF
18h 46m1 stop
Frontier Logo
4:57 pm - 7:15 pmBUF-SAT
27h 18m1 stop
$179Frontier
Find Deal
Thu, Sep 4 - Sun, Sep 7
Frontier Logo
9:33 pm - 4:02 pmSAT-BUF
17h 29m2 stops
Frontier Logo
7:41 pm - 4:30 pmBUF-SAT
21h 49m2 stops
$228Frontier
Find Deal
Thu, Sep 4 - Sun, Sep 7
Southwest Logo
5:35 am - 12:00 pmSAT-BUF
5h 25m1 stop
Southwest Logo
9:00 am - 4:25 pmBUF-SAT
8h 25m1 stop
$297Southwest
Find Deal
Tue, Sep 30 - Tue, Oct 7
Southwest Logo
6:50 am - 3:10 pmSAT-BUF
7h 20m2 stops
Southwest Logo
9:00 am - 4:25 pmBUF-SAT
8h 25m1 stop
$302Southwest
Find Deal
Tue, Sep 30 - Tue, Oct 7
Delta Logo
2:33 pm - 11:39 pmSAT-BUF
8h 06m1 stop
Delta Logo
3:56 pm - 10:42 pmBUF-SAT
7h 46m1 stop
$309Delta
Find Deal
Thu, Oct 9 - Tue, Oct 14
American Airlines Logo
6:03 am - 2:34 pmSAT-BUF
7h 31m1 stop
American Airlines Logo
6:24 am - 1:01 pmBUF-SAT
7h 37m1 stop
$320American Airlines
Find Deal
Sat, Nov 15 - Mon, Nov 17
Delta Logo
4:31 pm - 10:56 pmSAT-BUF
5h 25m1 stop
Delta Logo
12:06 pm - 5:16 pmBUF-SAT
6h 10m1 stop
$321Delta
Find Deal
Mon, Sep 15 - Wed, Oct 15
American Airlines Logo
6:48 am - 4:26 pmSAT-BUF
8h 38m1 stop
American Airlines Logo
5:26 pm - 10:33 pmBUF-SAT
6h 07m1 stop
$322American Airlines
Find Deal
Sat, Nov 15 - Mon, Nov 17
United Airlines Logo
5:30 am - 4:52 pmSAT-BUF
10h 22m2 stops
United Airlines Logo
5:55 pm - 10:55 pmBUF-SAT
6h 00m1 stop
$406United Airlines
Find Deal
Mon, Sep 15 - Wed, Oct 15
United Airlines Logo
1:20 pm - 9:41 pmSAT-BUF
7h 21m1 stop
United Airlines Logo
5:55 pm - 8:38 amBUF-SAT
15h 43m2 stops
$427United Airlines
Find Deal
Mon, Sep 15 - Wed, Oct 15

Frontier flights from San Antonio to Buffalo

Our best Frontier deals on San Antonio to Buffalo flight tickets
Frontier
Sep 4
SAT8:16 pmSan Antonio
18h 46m
1 stop
BUF4:02 pmBuffalo
Sep 7
BUF4:57 pmBuffalo
27h 18m
1 stop
SAT7:15 pmSan Antonio
$179
Find similar
Frontier
Sep 4
SAT9:33 pmSan Antonio
17h 29m
2 stops
BUF4:02 pmBuffalo
Sep 7
BUF7:41 pmBuffalo
21h 49m
2 stops
SAT4:30 pmSan Antonio
$228
Find similar
Frontier
Oct 10
SAT7:10 pmSan Antonio
21h 47m
1 stop
BUF5:57 pmBuffalo
Oct 13
BUF5:24 pmBuffalo
22h 50m
1 stop
SAT3:14 pmSan Antonio
$260
Find similar

Southwest flights from San Antonio to Buffalo

Our best Southwest deals on San Antonio to Buffalo flight tickets
Southwest
Sep 30
SAT5:35 amSan Antonio
5h 25m
1 stop
BUF12:00 pmBuffalo
Oct 7
BUF9:00 amBuffalo
8h 25m
1 stop
SAT4:25 pmSan Antonio
$297
Find similar
Southwest
Sep 30
SAT6:50 amSan Antonio
7h 20m
2 stops
BUF3:10 pmBuffalo
Oct 7
BUF9:00 amBuffalo
8h 25m
1 stop
SAT4:25 pmSan Antonio
$302
Find similar
Southwest
Sep 30
SAT2:50 pmSan Antonio
7h 10m
2 stops
BUF11:00 pmBuffalo
Oct 7
BUF8:45 amBuffalo
7h 05m
2 stops
SAT2:50 pmSan Antonio
$359
Find similar

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 August 17, 2025.
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

Thu 9/4

8:16 pm-4:02 pm

1 stop18h 46m

Buffalo

Sun 9/7

4:57 pm-7:15 pm

1 stop27h 18m

$179

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Thu 9/4

9:33 pm-4:02 pm

2 stops17h 29m

Buffalo

Sun 9/7

7:41 pm-4:30 pm

2 stops21h 49m

$228

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Tue 9/30

5:35 am-12:00 pm

1 stop5h 25m

Buffalo

Tue 10/7

9:00 am-4:25 pm

1 stop8h 25m

$297

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Tue 9/30

6:50 am-3:10 pm

2 stops7h 20m

Buffalo

Tue 10/7

9:00 am-4:25 pm

1 stop8h 25m

$302

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Thu 10/9

2:33 pm-11:39 pm

1 stop8h 06m

Buffalo

Tue 10/14

3:56 pm-10:42 pm

1 stop7h 46m

$309

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Sat 11/15

6:03 am-2:34 pm

1 stop7h 31m

Buffalo

Mon 11/17

6:24 am-1:01 pm

1 stop7h 37m

$320

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Mon 9/15

4:31 pm-10:56 pm

1 stop5h 25m

Buffalo

Wed 10/15

12:06 pm-5:16 pm

1 stop6h 10m

$321

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Sat 11/15

6:48 am-4:26 pm

1 stop8h 38m

Buffalo

Mon 11/17

5:26 pm-10:33 pm

1 stop6h 07m

$322

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Mon 9/15

5:30 am-4:52 pm

2 stops10h 22m

Buffalo

Wed 10/15

5:55 pm-10:55 pm

1 stop6h 00m

$406

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Mon 9/15

1:20 pm-9:41 pm

1 stop7h 21m

Buffalo

Wed 10/15

5:55 pm-8:38 am

2 stops15h 43m

$427

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 May, then book flights to Buffalo from San Antonio during August instead. Flights to Buffalo in August, while not as cheap as those in May, still average around $336.

What is the cheapest day to depart on your flight to Buffalo?

Our data shows that Wednesday is the least expensive day to fly to Buffalo. Tickets to fly out on this day can be as low as $305. Flights from San Antonio to Buffalo on a Thursday will generally be more expensive and average around $451. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Buffalo?

At noon is the cheapest time of day to fly from San Antonio to Buffalo when you can find flight prices for as low as $345. Flying to Buffalo at noon is an ideal time because this is during off-peak travel hours. In the morning is when there is more demand to fly to Buffalo, so prices are often more expensive at around $421 per ticket.

How far in advance should I book a flight to Buffalo?

You are more likely to see cheaper flights to Buffalo from San Antonio when booking weeks ahead of your departure date. In general, you can expect to find flights to Buffalo for around $427 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Buffalo from San Antonio for as low as $192 on momondo.

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

As of August 2025, prices for San Antonio to Buffalo flights are approximately 15% more expensive 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

Best Price Found

$88

Fastest flight time

4h 52m

Direct flights

None

Airports in Buffalo

1 airport
The best one-way flight to Buffalo from San Antonio in the past 72 hours is $88. The best round-trip flight deal from San Antonio to Buffalo found on momondo in the last 72 hours is $179.
The fastest flight from San Antonio to Buffalo takes 4h 52m
There are no direct flights from San Antonio to Buffalo. Popular non-direct route for this connection is San Antonio Airport - Buffalo Airport.
There is 1 airport near Buffalo: Buffalo (BUF)
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 4h 52m.

  • 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
American AirlinesPriceFrom $209Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $256Free CancellationRating
8.0
7,986 reviews
Search Delta flights
United AirlinesPriceFrom $334Free CancellationRating
7.4
8,919 reviews
Search United Airlines flights
SouthwestPriceFrom $345Free CancellationRating
8.0
4,246 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
Tonawanda
Amherst
Williamsville
Grand Island
Lockport
Orchard Park
West Seneca
East Aurora
Bowmansville
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.

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