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Cheap flights from San Antonio to Buffalo from $155

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 7/10. 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

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Find the cheapest flights from San Antonio to Buffalo

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
9:51 am - 7:06 pm
SAT
-
BUF
8h 15m
1 stop
Frontier Logo
9:29 pm - 8:56 am
BUF
-
SAT
12h 27m
1 stop
$330Frontier
Fri, Jul 10 - Thu, Jul 16
Delta Logo
4:00 pm - 11:54 pm
SAT
-
BUF
6h 54m
1 stop
Delta Logo
12:07 pm - 6:38 pm
BUF
-
SAT
7h 31m
1 stop
$333Delta
Tue, Sep 22 - Wed, Sep 23
Delta Logo
7:55 am - 4:05 pm
SAT
-
BUF
7h 10m
1 stop
Delta Logo
6:27 am - 10:34 am
BUF
-
SAT
5h 07m
1 stop
$340Delta
Sat, Aug 15 - Tue, Aug 18
United Airlines Logo
1:00 pm - 9:07 pm
SAT
-
BUF
7h 07m
1 stop
United Airlines Logo
6:55 am - 3:43 pm
BUF
-
SAT
9h 48m
2 stops
$345United Airlines
Tue, Sep 1 - Sat, Sep 5
Southwest Logo
9:25 am - 5:45 pm
SAT
-
BUF
7h 20m
2 stops
Southwest Logo
8:50 am - 4:00 pm
BUF
-
SAT
8h 10m
2 stops
$350Southwest
Tue, Sep 1 - Sat, Sep 5
Southwest Logo
2:35 pm - 9:05 pm
SAT
-
BUF
5h 30m
1 stop
Southwest Logo
8:50 am - 4:00 pm
BUF
-
SAT
8h 10m
2 stops
$355Southwest
Tue, Sep 1 - Sat, Sep 5
Southwest Logo
9:25 am - 5:45 pm
SAT
-
BUF
7h 20m
2 stops
Southwest Logo
8:50 am - 4:00 pm
BUF
-
SAT
8h 10m
2 stops
$360Southwest
Tue, Sep 1 - Sat, Sep 5
Delta Logo
4:00 pm - 11:54 pm
SAT
-
BUF
6h 54m
1 stop
Delta Logo
6:59 pm - 12:26 pm
BUF
-
SAT
18h 27m
1 stop
$365Delta
Tue, Sep 22 - Fri, Sep 25
Delta Logo
3:00 pm - 10:36 pm
SAT
-
BUF
6h 36m
1 stop
Delta Logo
6:20 am - 10:34 am
BUF
-
SAT
5h 14m
1 stop
$367Delta
Sat, Sep 19 - Thu, Sep 24
Delta Logo
5:30 am - 10:36 pm
SAT
-
BUF
16h 06m
2 stops
Delta Logo
6:05 am - 12:26 pm
BUF
-
SAT
7h 21m
1 stop
$370Delta
Sat, Sep 19 - Tue, Sep 22

United Airlines flights from San Antonio to Buffalo

Our best United Airlines deals on San Antonio to Buffalo flight tickets
United Airlines
Sep 1
SAT1:00 pmSan Antonio
7h 07m
1 stop
BUF9:07 pmBuffalo
Sep 5
BUF6:55 amBuffalo
9h 48m
2 stops
SAT3:43 pmSan Antonio
$345
United Airlines
Aug 11
SAT12:10 pmSan Antonio
5h 54m
1 stop
BUF7:04 pmBuffalo
Aug 12
BUF10:30 amBuffalo
7h 01m
1 stop
SAT4:31 pmSan Antonio
$403
United Airlines
Aug 11
SAT6:36 amSan Antonio
11h 28m
2 stops
BUF7:04 pmBuffalo
Aug 12
BUF6:55 amBuffalo
5h 57m
1 stop
SAT11:52 amSan Antonio
$408

Frontier flights from San Antonio to Buffalo

Our best Frontier deals on San Antonio to Buffalo flight tickets
Frontier
Jul 10
SAT9:51 amSan Antonio
8h 15m
1 stop
BUF7:06 pmBuffalo
Jul 16
BUF9:29 pmBuffalo
12h 27m
1 stop
SAT8:56 amSan Antonio
$330
Frontier
Jun 27
SAT4:22 pmSan Antonio
25h 50m
1 stop
BUF7:12 pmBuffalo
Jul 2
BUF9:02 pmBuffalo
19h 35m
1 stop
SAT3:37 pmSan Antonio
$384
Frontier
Jun 10
SAT8:56 pmSan Antonio
45h 16m
2 stops
BUF7:12 pmBuffalo
Jun 18
BUF9:02 pmBuffalo
19h 35m
1 stop
SAT3:37 pmSan Antonio
$515

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 May 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

Price

Cheapest round-trip

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Fri 7/10

9:51 am-7:06 pm

1 stop8h 15m

Buffalo

Thu 7/16

9:29 pm-8:56 am

1 stop12h 27m

$330

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Tue 9/22

4:00 pm-11:54 pm

1 stop6h 54m

Buffalo

Wed 9/23

12:07 pm-6:38 pm

1 stop7h 31m

$333

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Sat 8/15

7:55 am-4:05 pm

1 stop7h 10m

Buffalo

Tue 8/18

6:27 am-10:34 am

1 stop5h 07m

$340

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Tue 9/1

1:00 pm-9:07 pm

1 stop7h 07m

Buffalo

Sat 9/5

6:55 am-3:43 pm

2 stops9h 48m

$345

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Tue 9/1

9:25 am-5:45 pm

2 stops7h 20m

Buffalo

Sat 9/5

8:50 am-4:00 pm

2 stops8h 10m

$350

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Tue 9/1

2:35 pm-9:05 pm

1 stop5h 30m

Buffalo

Sat 9/5

8:50 am-4:00 pm

2 stops8h 10m

$355

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Tue 9/1

9:25 am-5:45 pm

2 stops7h 20m

Buffalo

Sat 9/5

8:50 am-4:00 pm

2 stops8h 10m

$360

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Tue 9/22

4:00 pm-11:54 pm

1 stop6h 54m

Buffalo

Fri 9/25

6:59 pm-12:26 pm

1 stop18h 27m

$365
Quickest round-trip

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Sat 9/19

3:00 pm-10:36 pm

1 stop6h 36m

Buffalo

Thu 9/24

6:20 am-10:34 am

1 stop5h 14m

$367

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Sat 9/19

5:30 am-10:36 pm

2 stops16h 06m

Buffalo

Tue 9/22

6:05 am-12:26 pm

1 stop7h 21m

$370

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 typical price of a round-trip flight between San Antonio and Buffalo?

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 January instead. Flights to Buffalo in January, while not as cheap as those in August, still average around $342.

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

As of May 2026, prices for San Antonio to Buffalo flights are approximately 120% 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

Fastest flight time

5h 07m

Direct flights

None
The fastest flight from San Antonio to Buffalo takes 5h 07m
There are no direct flights from San Antonio to Buffalo. There are no popular flight routes from San Antonio to Buffalo.
Search flight deals

Frequently asked questions about flying from San Antonio to Buffalo

  • 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 07m.

  • 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
9,751 reviews
Search United Airlines flights
American AirlinesPriceFrom $209Free CancellationRating
7.1
11,640 reviews
Search American Airlines flights
DeltaPriceFrom $256Free CancellationRating
7.9
8,423 reviews
Search Delta flights
SouthwestPriceFrom $369Free CancellationRating
7.9
4,265 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
Tonawanda
Williamsville
Grand Island
Orchard Park
Bowmansville
West Seneca
Lockport
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.

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