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CA $220 Cheap Flights from San Antonio (SAT) to Buffalo (BUF)

View CA $220 flight on Fri, Oct 30, 2026Opens in a new window

Flight 1

Popular airlines from San Antonio International Airport (SAT) to Buffalo Niagara Intl. Airport (BUF)

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Cheap flights from San Antonio (SAT) to Buffalo (BUF)

Prices were available within the past 7 days and start at CA $220 for one-way flights and CA $441 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, Aug 27 - Thu, Sep 3
SAT
San Antonio
BUF
Buffalo
CA $441 Roundtrip, found 5 days ago
CA $441
Roundtrip
found 5 days ago
Select American Airlines flight, departing Thu, Aug 27 from San Antonio to Buffalo, returning Thu, Sep 3, priced at CA $441 found 5 days ago
Delta
Thu, Aug 27 - Thu, Sep 3
SAT
San Antonio
BUF
Buffalo
CA $448 Roundtrip, found 5 days ago
CA $448
Roundtrip
found 5 days ago
Select Delta flight, departing Thu, Aug 27 from San Antonio to Buffalo, returning Thu, Sep 3, priced at CA $448 found 5 days ago
Delta
Thu, Aug 27 - Thu, Sep 3
SAT
San Antonio
BUF
Buffalo
CA $455 Roundtrip, found 5 days ago
CA $455
Roundtrip
found 5 days ago
Select Delta flight, departing Thu, Aug 27 from San Antonio to Buffalo, returning Thu, Sep 3, priced at CA $455 found 5 days ago
American Airlines
Thu, Aug 27 - Thu, Sep 3
SAT
San Antonio
BUF
Buffalo
CA $501 Roundtrip, found 5 days ago
CA $501
Roundtrip
found 5 days ago
Select American Airlines flight, departing Thu, Aug 27 from San Antonio to Buffalo, returning Thu, Sep 3, priced at CA $501 found 5 days ago
Delta
Thu, Aug 27 - Thu, Sep 3
SAT
San Antonio
BUF
Buffalo
CA $512 Roundtrip, found 5 days ago
CA $512
Roundtrip
found 5 days ago
Select Delta flight, departing Thu, Aug 27 from San Antonio to Buffalo, returning Thu, Sep 3, priced at CA $512 found 5 days ago
Delta
Thu, Aug 27 - Thu, Sep 3
SAT
San Antonio
BUF
Buffalo
CA $520 Roundtrip, found 5 days ago
CA $520
Roundtrip
found 5 days ago
Select Delta flight, departing Thu, Aug 27 from San Antonio to Buffalo, returning Thu, Sep 3, priced at CA $520 found 5 days ago
Delta
Thu, Aug 27 - Thu, Sep 3
SAT
San Antonio
BUF
Buffalo
CA $547 Roundtrip, found 5 days ago
CA $547
Roundtrip
found 5 days ago
Select Delta flight, departing Thu, Aug 27 from San Antonio to Buffalo, returning Thu, Sep 3, priced at CA $547 found 5 days ago
Delta
Thu, Aug 27 - Thu, Sep 3
SAT
San Antonio
BUF
Buffalo
CA $548 Roundtrip, found 5 days ago
CA $548
Roundtrip
found 5 days ago
Select Delta flight, departing Thu, Aug 27 from San Antonio to Buffalo, returning Thu, Sep 3, priced at CA $548 found 5 days ago
Delta
Thu, Aug 27 - Thu, Sep 3
SAT
San Antonio
BUF
Buffalo
CA $550 Roundtrip, found 5 days ago
CA $550
Roundtrip
found 5 days ago
Select Delta flight, departing Thu, Aug 27 from San Antonio to Buffalo, returning Thu, Sep 3, priced at CA $550 found 5 days ago
Delta
Thu, Aug 27 - Thu, Sep 3
SAT
San Antonio
BUF
Buffalo
CA $554 Roundtrip, found 5 days ago
CA $554
Roundtrip
found 5 days ago
Select Delta flight, departing Thu, Aug 27 from San Antonio to Buffalo, returning Thu, Sep 3, priced at CA $554 found 5 days ago

Frequently asked questions

How much does a flight from San Antonio, TX (SAT-San Antonio Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) cost?
You can find cheap one-way flights from CA $220 and cheap return flights from CA $441 SAT to BUF with Expedia. Return flights often range between CA$691 and CA$1517. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when SAT to BUF ticket fares go up or down.
What is the cheapest month to fly from San Antonio, TX (SAT) to Buffalo, NY (BUF)?
The cheapest months to fly from San Antonio, TX (SAT) to Buffalo, NY (BUF) are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from San Antonio, TX (SAT) to Buffalo, NY (BUF)?
Enter SAT to BUF and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from San Antonio, TX (SAT-San Antonio Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
Frontier Airlines is one of the cheapest airlines offering connecting return flights from San Antonio International Airport (SAT) to Buffalo Niagara International Airport (BUF), with tickets starting from around CA$455 for flights that can be booked for departure within the next year. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from San Antonio, TX (SAT-San Antonio Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
To find a cheap flight from San Antonio, TX (SAT-San Antonio Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from San Antonio, TX (SAT-San Antonio Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
The cheapest months to fly from San Antonio International Airport (SAT) to Buffalo Niagara International Airport (BUF) are typically April and August, with average return flights around CA$537. The most popular months for this route are May and December, meaning you'll find plenty of flight options during these times. While there isn't a single month that is both the cheapest and most popular, you can balance cost and convenience by considering April or August for better fares, or May and December if having a wide selection of flights is your priority.
How many flights per day from San Antonio, TX (SAT-San Antonio Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
There are approximately 62 connecting flights per day from San Antonio, TX (SAT-San Antonio Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.). Some common connection points include George Bush Intercontinental (IAH), Hartsfield-Jackson Atlanta Intl. (ATL), and Dallas-Fort Worth Intl. (DFW).
What is the earliest flight from San Antonio, TX (SAT-San Antonio Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
The earliest flight from San Antonio International Airport (SAT) to Buffalo Niagara International Airport (BUF) typically departs around 5:00 AM. This service is operated by American Airlines and is seasonal, active in May and July. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from San Antonio, TX (SAT-San Antonio Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
You'll typically find the most flights from San Antonio International Airport (SAT) to Buffalo Niagara International Airport (BUF) on a Sunday, with around 38 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include Southwest Airlines, United, and American Airlines. While Sunday has the most flights, the flight schedules are quite consistent throughout the week, so you'll have plenty of options no matter which day you choose.
What are the most popular departure times for flights from San Antonio, TX (SAT-San Antonio Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
The most popular departure times for flights from San Antonio Intl. (SAT) to Buffalo Niagara Intl. (BUF) are in the morning, from 6am to 9am. Many major carriers, including American Airlines, United and Southwest Airlines, offer flights during this window. Many travellers prefer this time as it allows for an early start to their journey, getting them to their destination with plenty of day left.
How long does it take to fly from San Antonio, TX (SAT-San Antonio Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
Flying from SAT to BUF with a connection usually takes about 5 hours 30 minutes, traveling roughly 2,305 kilometers. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from San Antonio, TX (SAT-San Antonio Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
Yes, you can fly business class or first class between SAT and BUF. You can fly business class with Frontier Airlines.First class cabins are available on United, Delta, and American Airlines.
How do I earn miles on a San Antonio, TX (SAT) to Buffalo, NY (BUF) flight with Expedia?
It's easy to earn miles on a San Antonio, TX (SAT) to Buffalo, NY (BUF) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Buffalo, NY (BUF) from San Antonio, TX (SAT)?
If you're planning to travel to Buffalo from San Antonio Intl. (SAT), you can fly directly into Buffalo Niagara Intl. (BUF). Some flights may connect through major hubs like George Bush Intercontinental (IAH), Love Field (DAL), or Dallas-Fort Worth Intl. (DFW) before reaching Buffalo. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from San Antonio, TX (SAT) to Buffalo, NY (BUF) at the last minute?
Typically, booking a last minute flight from San Antonio, TX (SAT) to Buffalo, NY (BUF) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a San Antonio, TX (SAT) to Buffalo, NY (BUF) flight and hotel package?
Securing a San Antonio, TX (SAT) to Buffalo, NY (BUF) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from San Antonio, TX (SAT-San Antonio Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
If you booked your San Antonio, TX (SAT-San Antonio Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
San Antonio Intl.
Destination airport
Buffalo Niagara Intl.
Roundtrip price
CA $441
Distance
2290 km

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San Antonio to Buffalo Flights

The easy way to book your flights from San Antonio to Buffalo 

With Expedia, it’s simple to find and book flights to Buffalo from San Antonio whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Buffalo Niagara Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from San Antonio to Buffalo today, tomorrow, or this week.  

 

Save dollars with cheap flights from San Antonio Intl., SAT to Buffalo Niagara Intl., BUF 

Sort your search results by price to find great deals on your flight from San Antonio to Buffalo—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Buffalo from San Antonio currently is just CA $441 rising to CA $554.  

Here are more money-saving tips: 

  • Fly in August when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Buffalo  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Buffalo from San Antonio 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Buffalo with Expedia today.

San Antonio to Buffalo Flights

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