BUF - SAT

$72 Find Cheap Flights from Buffalo to San Antonio

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Buffalo to San Antonio departing on 11/20. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to San Antonio

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Buffalo to San Antonio, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Buffalo to San Antonio, as well as popular online travel agencies
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Flight Deals

Cheap Flights from Buffalo to San Antonio (BUF-SAT)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Buffalo to San Antonio that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Buffalo to San Antonio

Thu, Jan 8 - Sun, Jan 11
Frontier Logo
9:08 am - 6:39 pmBUF-SAT
10h 31m1 stop
Frontier Logo
7:34 pm - 8:13 amSAT-BUF
11h 39m1 stop
$142Frontier
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Fri, Feb 6 - Tue, Feb 10
Multiple Airlines Logo
8:18 pm - 10:27 pmBUF-SAT
27h 09m1 stop
Multiple Airlines Logo
6:00 am - 5:11 pmSAT-BUF
10h 11m1 stop
$182Multiple Airlines
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Tue, Dec 9 - Thu, Dec 11
American Airlines Logo
12:57 pm - 6:14 pmBUF-SAT
6h 17m1 stop
American Airlines Logo
5:39 pm - 12:07 amSAT-BUF
5h 28m1 stop
$313American Airlines
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Sat, Dec 13 - Wed, Dec 17
Southwest Logo
3:40 pm - 8:50 pmBUF-SAT
6h 10m1 stop
Southwest Logo
12:10 pm - 10:40 pmSAT-BUF
9h 30m1 stop
$330Southwest
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Sat, Jan 31 - Wed, Feb 4
United Airlines Logo
1:59 pm - 10:57 pmBUF-SAT
9h 58m2 stops
United Airlines Logo
12:15 pm - 7:25 pmSAT-BUF
6h 10m1 stop
$335United Airlines
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Sat, Jan 31 - Wed, Feb 4
United Airlines Logo
1:59 pm - 9:21 pmBUF-SAT
8h 22m2 stops
United Airlines Logo
9:00 am - 7:25 pmSAT-BUF
9h 25m2 stops
$340United Airlines
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Thu, Feb 26 - Sat, Feb 28
Delta Logo
6:03 am - 11:25 amBUF-SAT
6h 22m1 stop
Delta Logo
5:25 am - 11:45 amSAT-BUF
5h 20m1 stop
$347Delta
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Mon, Dec 22 - Wed, Dec 31
Delta Logo
6:10 am - 11:07 amBUF-SAT
5h 57m1 stop
Delta Logo
4:45 pm - 11:37 pmSAT-BUF
5h 52m1 stop
$370Delta
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Sat, Feb 7 - Fri, Feb 13
American Airlines Logo
5:17 pm - 10:42 pmBUF-SAT
6h 25m1 stop
American Airlines Logo
6:00 am - 3:26 pmSAT-BUF
8h 26m2 stops
$392American Airlines
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Thu, Jan 8 - Sun, Jan 11
Southwest Logo
5:50 am - 2:30 pmBUF-SAT
9h 40m2 stops
Southwest Logo
5:50 am - 1:55 pmSAT-BUF
7h 05m2 stops
$423Southwest
Find Deal

Everything you should know

Top airlines
Frontier
Cheapest • from $142 (round-trip)
Southwest
Best reviews • 8.0 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
When to book
4 weeks
in advance
Our data shows that travelers who book at least 4 weeks in advance save around 46% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
September
Cheapest • 16% price drop
December
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Cheapest round-trip
$142
Overall average: $418
Frontier
Thu 1/8Sun 1/11
BUF - SAT • 1 stop
Cheapest one-way
$73
Typical prices: $192-$271
Frontier
Thu 11/20
BUF - SAT • 1 stop
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to San Antonio!
Booking Insights

KAYAK's insights & trends for Buffalo to San Antonio flights

Get data-powered insights and trends into flights from Buffalo to San Antonio to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Buffalo to San Antonio?

The average price of all round-trip flights from Buffalo to San Antonio clicked on KAYAK for each day over the last 12 months.

For Buffalo to San Antonio, Wednesday is the cheapest day to fly on average and Sunday is the most expensive. Flying from San Antonio back to Buffalo, the best deals are generally found on Wednesday, with Thursday being the most expensive.

What is the cheapest month to fly from Buffalo to San Antonio?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Buffalo to San Antonio, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Buffalo to San Antonio is September, where tickets cost $349 (return) on average. On the other hand, the most expensive months are December and March, where the average cost of round-trip tickets is $466 and $461 respectively.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Buffalo to San Antonio, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Buffalo to San Antonio, you should book around 4 weeks before departure, which saves you about 46% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 23 weeks before departure.

Good to know

Low seasonSeptember
Cheapest flight$73
Best time to beat the crowds with an average 17% drop in price.
Most popular time to fly with an average 11% increase in price.
Flight from Buffalo to San Antonio

When to book flights from Buffalo to San Antonio

Are your dates flexible? Find out the best times to travel from Buffalo to San Antonio based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Buffalo to San Antonio

  • What is the cheapest flight from Buffalo to San Antonio?

    In the last 3 days, the lowest price for a flight from Buffalo to San Antonio was $73 for a one-way ticket and $142 for a round-trip.

  • Do I need a passport to fly between Buffalo and San Antonio?

    No, a passport isn't needed to fly from Buffalo to San Antonio. However, local authorities might ask for an official ID.

  • Which aircraft models fly most regularly from Buffalo to San Antonio?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Buffalo to San Antonio?

    Star Alliance, SkyTeam, and oneworld are the airline alliances operating flights between Buffalo and San Antonio, with Star Alliance being the most commonly used for this route.

  • Which is the best airline for flights from Buffalo to San Antonio, Southwest or Delta?

    The two airlines most popular with KAYAK users for flights from Buffalo to San Antonio are Southwest and Delta. With an average price for the route of $449 and an overall rating of 8.0, Southwest is the most popular choice. Delta is also a great choice for the route, with an average price of $391 and an overall rating of 7.9.

  • How does KAYAK find such low prices on flights from Buffalo to San Antonio?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Buffalo to San Antonio.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Buffalo to San Antonio?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Antonio from Buffalo is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Buffalo to San Antonio?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Antonio with an airline and back to Buffalo with another airline. Booking your flights between Buffalo and SAT can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Buffalo to San Antonio?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Antonio from Buffalo up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top 4 airlines serving from Buffalo to San Antonio

 
See real verified KAYAK customer reviews for airlines flying from Buffalo to San Antonio. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Buffalo to San Antonio? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
SouthwestOverall score based on 4240 reviews
8.1Boarding
7.5Entertainment
8.0Comfort
8.6Crew
7.0Food
Airline reviews

Full cans of soda would be nice. A choice between two snacks would be appreciated.

8.0 ExcellentMargaret, Oct 2025SAV - HOU
Read more Southwest reviews

Full cans of soda would be nice. A choice between two snacks would be appreciated.

Tried watching free movie and it kept freezing so I couldn’t finish.

I was re-booked onto another flight because my original flight was delayed and I would have missed my connector. I ended up in the “C” group after paying extra to be in the “A “ group on the original flight. At least if you’re going to re-book people, re-book them into the same group.

Flight was delayed due to plane not passing inspection And one of the crew had to time out and we had to wait for another one A 3 hour delay

It was one and half hour late... Not sure if any other experience matters.

Multiple delays and gate changes. Arrived at final destination 6 hours late. All rental cars had been taken.

It was 2 hours 45 minutes late, for no apparently clear reason.

The movies using Southwest WiFi kept pausing and I had to restart multiple times.

It went well. Plane wasn't full. Will be great when assigned seating is in place

First, my flight was a usual flight nothing exceptional or unexpected. Over all it was a normal, good flight! Second, your questionaire is wholly lacking in the proper options to which one can answer a question. Often on short flights, there is no food let alone entertainment so why isn't that reflected in your questionaire? A simple "not applicable" would cover that issue appropriately but no, your form arbitrarily enters an answer based on the initial assessment which normally isn't factual. Until you provide an accurate means of assessing flights, I'll no longer be completing of these unimpressive and misleading assessements. Thank you!

I truly love flying with Delta. They have always treated me with the upmost respect

The flight was great. The gate location was way to far away!!!

Lounge in Lagos is terrible, food on board from Lagos to Atlanta was horrible. Only bright spot the cabin crew were awesome.

This route with Delta always has delays or is cancelled. Aircrafts seem smaller and older. I fly Delta quite a bit - haven’t had issues with the international flights. But this route has always been the troublesome one

Three seats in first class were broken and while they were able to still acommodate us it was looking very touch and go and they had others they could not acommodate

I believe that a four-hour trip should have a meal. Delta had none.

Was charged for my luggage despite having been on one ticket from an international flight. Too tired to argue after 15 hours on flight. Was charged for rechecking it at JFK airport. Not sure why those off Kenya Airways were required to do that.

My experience on any Delta flight is always overshadowed by the time Delta removed me from a flight for no apparent reason.

Flight was canceled, and no effort was made to help with rebooking, no hotel vouchers, no car transportation and minimal food voucher and most places for food were closed by the time the voucher was given. Waited for 3 hours for bags. Simply the worst travel experience I have ever had

At first, we were on the runway for about an hour, literally. The Captain did explain that the Control Tower just had a change shift (sounds like an unrealistic excuse) and then that we had to change a runway. A regular economy seat is made for 12 yo twiggy. I understand Delta wants to push for an upgrade, but after sitting in a Comfort seat and in First class. I would say First class is not worthy of my money. The landing was delayed because of the weather in NYC, I don't hold that against Delta, of course. The Captain did alert us to that upon takeoff in Vegas and again as we reached NY.

Crew and customer service were excellent. This flight also had plenty of leg room and seat mounted screens for entertainment. A very pleasant flight all around!

I was in first class. The outlets at my seat did not work. The plane was shabby and run down. I had prepurchsed a day subscription for internet that was not redeemable. I had to repurchase the internet for my flight and then it didn’t work anyway. Quite disappointed in what was supposed to be the launch of a great vacation.

Flight was good and crew was super polite. However, there were around 5 kids screaming the WHOLE 2 hours. I understand kids have to come but parents need to do something to control their children. They make the experience terrible, especially after finishing 16 hour shifts at the hospital I needed some sleep, which I did not get.

Armrest controller on my seat 35D and nextbooennseat 35E did not work right. Hard to press buttons to recognize and 35D had constantnpressure either upmost down somit was nearly impossible to make selections. .

I flew with my dog and had already purchased my dog’s ticket. Even that morning I had called costumer service to insure that my husband and I had seats together since the website was giving me an error when choosing our seats and the representative mentioned our dog. I showed up early to the airport and when I got to the gate and we started boarding I was help back and told that I was supposed to have a yellow tag and that I should have checked in at the counter for them to give me that tag. I was not aware of this, the representative on the phone did not say anything. Nor did I see it anywhere in the checking process online, so if you travel with a pet and are not checking in luggage, just know that you still have to go to the check in counter when arriving at the airport unless you want to be the last one to board and not have room for your carry on in the overhead bins. Other than that, I had a great experience.

This flight was perfect. No complaints and only the highest regard for the crew and ground staff and how they executed perfectly. I fly a lot with United and would request predictability and transparency in their operations instead of last minute changes.

This is for UA2274 from Houston to Sacramento. The flight was delayed arriving due to mechanical issues so we left about 3 hours later than scheduled. When boarding the plane the temperature inside was excessive - likely close to 100. Pilot apologized and said it was going to improve at altitude, which it did. But before that I honestly thought there might have been more delays removing passengers made ill from the heat. We were delayed leaving due to another mechanical issue. There was not water on the plane due to a panel that was not secured. They did that quickly, but the combination of mechanical issues was rather disturbing and did not reflect well on United.

United sent me a mileage plus number last year but that number is invalid so I can’t use it to check into flights or collect mileage. There is human to speak about the problem, only computers who keep asking me if I am using the correct email. It’s so frustrating and I cannot resolve it.

The woman gate agent in Phoenix was none too sympathetic about my check-in process as I am relatively new with using apps. I almost did not get on because she said I did not check-in. I thought I had via Kayak where I purchased a very expensive ticket. Lesson learned but to be told I may not get on as a matter of factly was difficult to hear.

Gate agent did not hold flight for connection, provided no assistance to get new flight

Wish a flight with more than 2 hours with some snack rather than just cookie/biscuit.

Flight delayed and missed connection. Rescheduled flight cancelled after 6 hrs wait. Rerouted thru ORD, flight cancelled, overnight stay in ORD. Still in the air on new flight!

Delayed delayed delayed and no offer for food or vouchers

A couple ladies from the crew were so rude and nasty. Thought they were mad at having to be there especially if you asked a question. This will make me think twice next time if I book a flight with you.

Always seated jammed in rear of aircraft Admirals Club food at DFW terminal D was absolute worst food experience and I pay $600/year to eat this dried out junk

Flight attendants on this flight were very attentive and friendly

You can plug your phone in & use their wifi to watch movies, etc, but the plane’s wifi was disconnected for most of the flight.

Very below average , plane from Dallas to Toyko was very poor designed plane. I had to sit for 13 hours next to fat man. Really bad seat and entertainment screen sucked

Full flight so overhead bin space ran out & bags had to be checked. When you’re in the last boarding group, you might as well expect that. Don’t pay to check bags though because when they run out of space for carry-ons, they check your bag to your destination for free. When traveling with children, no need to pay extra for seats, they will assign seats & have to sit your children with you.

American almost always Delays flights from Austin to Dallas and back. I cannot believe they have such poor service on this route. I was about to switch to American from Delta, but they gave me enough reasons not to.

Everything you need to know for your flight from Buffalo to San Antonio

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