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Cheap flights from San Antonio to Buffalo from $144

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 8/3. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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
9:33 pm - 8:56 am
BUF
-
SAT
12h 23m
1 stop
$298Frontier
Mon, Aug 10 - Thu, Aug 13
American Airlines Logo
6:24 am - 4:14 pm
SAT
-
BUF
8h 50m
1 stop
American Airlines Logo
5:20 am - 1:30 pm
BUF
-
SAT
9h 10m
1 stop
$313American Airlines
Tue, Jul 21 - Wed, Jul 29
Delta Logo
3:00 pm - 11:09 pm
SAT
-
BUF
7h 09m
1 stop
Delta Logo
12:17 pm - 7:05 pm
BUF
-
SAT
7h 48m
1 stop
$328Delta
Sat, Sep 5 - Tue, Sep 8
Delta Logo
5:12 pm - 11:44 pm
SAT
-
BUF
5h 32m
1 stop
Delta Logo
6:29 am - 10:34 am
BUF
-
SAT
5h 05m
1 stop
$338Delta
Sat, Jul 4 - Wed, Jul 8
Southwest Logo
7:10 am - 3:15 pm
SAT
-
BUF
7h 05m
2 stops
Southwest Logo
6:25 pm - 11:10 pm
BUF
-
SAT
5h 45m
1 stop
$341Southwest
Tue, Sep 15 - Tue, Sep 15
American Airlines Logo
5:01 am - 1:05 pm
SAT
-
BUF
7h 04m
2 stops
American Airlines Logo
5:20 am - 1:30 pm
BUF
-
SAT
9h 10m
1 stop
$362American Airlines
Tue, Jul 21 - Wed, Jul 29
American Airlines Logo
12:36 pm - 9:56 pm
SAT
-
BUF
8h 20m
2 stops
American Airlines Logo
4:50 pm - 10:50 pm
BUF
-
SAT
7h 00m
1 stop
$372American Airlines
Sat, Sep 5 - Tue, Sep 8
American Airlines Logo
6:00 am - 2:52 pm
SAT
-
BUF
7h 52m
1 stop
American Airlines Logo
4:50 pm - 10:50 pm
BUF
-
SAT
7h 00m
1 stop
$375American Airlines
Thu, Sep 10 - Sat, Sep 12
Multiple Airlines Logo
9:55 am - 8:44 pm
SAT
-
BUF
9h 49m
1 stop
Multiple Airlines Logo
11:29 am - 6:54 pm
BUF
-
SAT
32h 25m
2 stops
$376Multiple Airlines
Thu, Jul 30 - Tue, Aug 4
Frontier Logo
9:51 am - 7:06 pm
SAT
-
BUF
8h 15m
1 stop
Frontier Logo
9:33 pm - 8:56 am
BUF
-
SAT
12h 23m
1 stop
$379Frontier
Fri, Aug 7 - Sun, Aug 9

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Delta flights from San Antonio to Buffalo

Our best Delta deals on San Antonio to Buffalo flight tickets
Delta
Sep 5
SAT3:00 pmSan Antonio
7h 09m
1 stop
BUF11:09 pmBuffalo
Sep 8
BUF12:17 pmBuffalo
7h 48m
1 stop
SAT7:05 pmSan Antonio
$328
Delta
Jul 4
SAT5:12 pmSan Antonio
5h 32m
1 stop
BUF11:44 pmBuffalo
Jul 8
BUF6:29 amBuffalo
5h 05m
1 stop
SAT10:34 amSan Antonio
$338
Delta
Sep 6
SAT3:00 pmSan Antonio
7h 09m
1 stop
BUF11:09 pmBuffalo
Sep 13
BUF6:00 amBuffalo
8h 07m
1 stop
SAT1:07 pmSan Antonio
$395

American Airlines flights from San Antonio to Buffalo

Our best American Airlines deals on San Antonio to Buffalo flight tickets
American Airlines
Jul 21
SAT6:24 amSan Antonio
8h 50m
1 stop
BUF4:14 pmBuffalo
Jul 29
BUF5:20 amBuffalo
9h 10m
1 stop
SAT1:30 pmSan Antonio
$313
American Airlines
Jul 21
SAT5:01 amSan Antonio
7h 04m
2 stops
BUF1:05 pmBuffalo
Jul 29
BUF5:20 amBuffalo
9h 10m
1 stop
SAT1:30 pmSan Antonio
$362
American Airlines
Sep 5
SAT12:36 pmSan Antonio
8h 20m
2 stops
BUF9:56 pmBuffalo
Sep 8
BUF4:50 pmBuffalo
7h 00m
1 stop
SAT10:50 pmSan Antonio
$372

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 June 17, 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

Mon 8/10

9:51 am-7:06 pm

1 stop8h 15m

Buffalo

Thu 8/13

9:33 pm-8:56 am

1 stop12h 23m

$298

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Tue 7/21

6:24 am-4:14 pm

1 stop8h 50m

Buffalo

Wed 7/29

5:20 am-1:30 pm

1 stop9h 10m

$313

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Sat 9/5

3:00 pm-11:09 pm

1 stop7h 09m

Buffalo

Tue 9/8

12:17 pm-7:05 pm

1 stop7h 48m

$328
Quickest round-trip

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Sat 7/4

5:12 pm-11:44 pm

1 stop5h 32m

Buffalo

Wed 7/8

6:29 am-10:34 am

1 stop5h 05m

$338

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Tue 9/15

7:10 am-3:15 pm

2 stops7h 05m

Buffalo

Tue 9/15

6:25 pm-11:10 pm

1 stop5h 45m

$341

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Tue 7/21

5:01 am-1:05 pm

2 stops7h 04m

Buffalo

Wed 7/29

5:20 am-1:30 pm

1 stop9h 10m

$362

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Sat 9/5

12:36 pm-9:56 pm

2 stops8h 20m

Buffalo

Tue 9/8

4:50 pm-10:50 pm

1 stop7h 00m

$372

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Thu 9/10

6:00 am-2:52 pm

1 stop7h 52m

Buffalo

Sat 9/12

4:50 pm-10:50 pm

1 stop7h 00m

$375

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Thu 7/30

9:55 am-8:44 pm

1 stop9h 49m

Buffalo

Tue 8/4

11:29 am-6:54 pm

2 stops32h 25m

$376

San AntonioBuffalo

SAT - BUF

SATBUF

San Antonio

Fri 8/7

9:51 am-7:06 pm

1 stop8h 15m

Buffalo

Sun 8/9

9:33 pm-8:56 am

1 stop12h 23m

$379

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 September instead. Flights to Buffalo in September, while not as cheap as those in August, still average around $337.

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

As of June 2026, prices for San Antonio to Buffalo flights are approximately 63% 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 47m

Direct flights

None
The fastest flight from San Antonio to Buffalo takes 5h 47m
There are no direct flights from San Antonio to Buffalo. There are no popular flight routes from San Antonio to Buffalo.
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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 47m.

  • 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
7.1
11,670 reviews
Search American Airlines flights
DeltaPriceFrom $256Free CancellationRating
7.8
8,406 reviews
Search Delta flights
United AirlinesPriceFrom $350Free CancellationRating
7.4
9,845 reviews
Search United Airlines flights
SouthwestPriceFrom $369Free CancellationRating
7.9
4,235 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
Orchard Park
Grand Island
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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