BUF - SAT

C$ 186 Find Cheap Flights from Buffalo to San Antonio – Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Cheapest round-trip
C$ 371
Typical prices: C$ 504-C$ 698
Delta
Sat 3/11Sun 11/11
BUF - SAT • 1 stop
Cheapest one-way flights
C$ 186
Typical prices: C$ 267-C$ 558
Delta
Sun 14/10
BUF - SAT • 1 stop
Direct flights
Not available
There are currently no direct flights between Buffalo and San Antonio. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
23 weeks
in advance
Our data shows that travellers who book at least 23 weeks in advance save around 78% compared to booking last minute.
Insights
Insights
When to travel
August
Cheapest • 15% price drop
April
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Washington, D.C. Reagan-National (DCA)
Cheapest • Avg C$ 528 (round-trip)
Detroit Metropolitan Wayne County (DTW)
Shortest trip • 5h 36m (one-way)
Insights
Insights
Start a new search
KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you enjoy your trip to San Antonio!
Flight Deals
Booking Insights
Flight Deals

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

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Buffalo to San Antonio

Tue, 3 Nov - Wed, 11 Nov
Delta Logo
6:00 a.m. - 12:35 p.m.BUF  Buffalo-SAT San Antonio
7h 35m1 stop Atlanta Hartsfield-Jackson
Delta Logo
4:32 p.m. - 11:59 p.m.SAT  San Antonio-BUF Buffalo
6h 27m1 stop Atlanta Hartsfield-Jackson
C$ 371Delta
Wed, 28 Oct - Wed, 4 Nov
Southwest Logo
6:15 a.m. - 10:55 a.m.BUF  Buffalo-SAT San Antonio
5h 40m1 stop Baltimore/Washington
Southwest Logo
6:45 a.m. - 3:15 p.m.SAT  San Antonio-BUF Buffalo
7h 30m2 stops Dallas Love Field Nashville Intl
C$ 378Southwest
Wed, 28 Oct - Wed, 4 Nov
Southwest Logo
8:25 a.m. - 4:05 p.m.BUF  Buffalo-SAT San Antonio
8h 40m2 stops Chicago Midway Dallas Love Field
Southwest Logo
6:45 a.m. - 3:15 p.m.SAT  San Antonio-BUF Buffalo
7h 30m2 stops Dallas Love Field Nashville Intl
C$ 385Southwest
Mon, 2 Nov - Wed, 11 Nov
Delta Logo
3:54 p.m. - 10:20 p.m.BUF  Buffalo-SAT San Antonio
7h 26m1 stop Detroit Metropolitan Wayne County
Delta Logo
5:30 a.m. - 11:18 a.m.SAT  San Antonio-BUF Buffalo
4h 48m1 stop Detroit Metropolitan Wayne County
C$ 397Delta
Thu, 29 Oct - Wed, 4 Nov
Southwest Logo
7:35 p.m. - 12:10 a.m.BUF  Buffalo-SAT San Antonio
5h 35m1 stop Chicago Midway
Southwest Logo
6:45 a.m. - 3:15 p.m.SAT  San Antonio-BUF Buffalo
7h 30m2 stops Dallas Love Field Nashville Intl
C$ 403Southwest
Mon, 2 Nov - Tue, 3 Nov
Southwest Logo
7:10 p.m. - 12:20 a.m.BUF  Buffalo-SAT San Antonio
6h 10m1 stop Chicago Midway
Southwest Logo
7:10 a.m. - 3:15 p.m.SAT  San Antonio-BUF Buffalo
7h 05m1 stop Nashville Intl
C$ 419Southwest
Mon, 7 Dec - Thu, 10 Dec
Delta Logo
6:36 p.m. - 12:36 a.m.BUF  Buffalo-SAT San Antonio
7h 00m1 stop Atlanta Hartsfield-Jackson
Delta Logo
4:36 p.m. - 12:05 a.m.SAT  San Antonio-BUF Buffalo
6h 29m1 stop Atlanta Hartsfield-Jackson
C$ 422Delta
Mon, 2 Nov - Tue, 3 Nov
Southwest Logo
7:10 p.m. - 12:20 a.m.BUF  Buffalo-SAT San Antonio
6h 10m1 stop Chicago Midway
Southwest Logo
12:00 p.m. - 8:50 p.m.SAT  San Antonio-BUF Buffalo
7h 50m2 stops Dallas Love Field Chicago Midway
C$ 426Southwest
Wed, 7 Oct - Sat, 10 Oct
United Airlines Logo
10:46 a.m. - 4:31 p.m.BUF  Buffalo-SAT San Antonio
6h 45m1 stop Chicago O'Hare Intl
United Airlines Logo
9:58 a.m. - 8:47 p.m.SAT  San Antonio-BUF Buffalo
9h 49m2 stops Houston George Bush Intcntl Chicago O'Hare Intl
C$ 429United Airlines
Thu, 29 Oct - Wed, 4 Nov
Southwest Logo
2:20 p.m. - 9:15 p.m.BUF  Buffalo-SAT San Antonio
7h 55m2 stops Chicago Midway Dallas Love Field
Southwest Logo
6:45 a.m. - 3:15 p.m.SAT  San Antonio-BUF Buffalo
7h 30m2 stops Dallas Love Field Nashville Intl
C$ 434Southwest
Booking Insights

Price, demand, and travel trends for Buffalo to San Antonio flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights from Buffalo to San Antonio with more confidence.

How much is a round-trip flight from Buffalo to San Antonio?

Round-trip flights from Buffalo to San Antonio start at C$ 371. Prices are below average for this route right now, with typical round-trip fares ranging from C$ 504 to C$ 698. The lowest price found in the past 5 days was C$ 371 on Delta.

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

Tuesday is the cheapest day of the week to fly from Buffalo to San Antonio and is 11% cheaper than the average day. Wednesday is the most expensive day with flight prices 14% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

•August is the cheapest month to fly from Buffalo to San Antonio at C$ 501 round-trip.
•May (C$ 918) and June (C$ 710) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 83% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Buffalo to San Antonio the cheapest?

Flights from Buffalo to San Antonio are cheapest 23 weeks before departure. Booking in this window typically costs about 78% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals

Key details for Buffalo to San Antonio flights

Low season

October

Cheapest flight

C$ 186
Best time to beat the crowds (7% less expensive on average)
Most popular time to fly (15% more expensive on average)
Flights 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

Your Buffalo to San Antonio flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • Which airports can I use when flying from Buffalo to San Antonio?

    Flights from Buffalo to San Antonio usually depart from Buffalo (BUF) and arrive at San Antonio (SAT).

  • Which cabin classes can I book on flights from Buffalo to San Antonio?

    Only Economy Class is available on flights from Buffalo to San Antonio.

  • Which airports do connecting flights from Buffalo to San Antonio pass through?

    One-stop flights from Buffalo to San Antonio most commonly connect through:

    • Chicago O'Hare Intl (ORD) – 30% of one-stop connections
    • Dallas/Fort Worth (DFW) – 19% of one-stop connections
    • Detroit Metropolitan Wayne County (DTW) – 17% of one-stop connections
    • Chicago Midway (MDW) – 12% of one-stop connections

    Chicago O'Hare Intl (ORD) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Buffalo to San Antonio?

    Yes. Being flexible with your travel dates can save you up to 22% on the Buffalo to San Antonio route. Tuesday is the cheapest departure day at C$ 529 round-trip on average, while Wednesday is the most expensive at C$ 676, a difference of C$ 147. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • Which popular places can I visit in San Antonio?

    Some of the most popular sights in San Antonio are San Antonio River Walk, Henry B. González Convention Center, and Hilton Palacio Del Rio. These are among the most viewed places in San Antonio on KAYAK.

  • How expensive are last-minute Buffalo to San Antonio flights?

    Last-minute fares on this route – booked within 2 weeks of departure – run 109% above the route average of C$ 592. Book 23 weeks before departure for the lowest fares.

  • How long does a flight from Buffalo to San Antonio take?

    A direct flight from Buffalo to San Antonio takes 0h 00m, covering 3,705 km.

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

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • Have flight prices from Buffalo to San Antonio changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about C$ 371 to C$ 1,710. That means the highest observed fare was about 5x higher than the lowest one.

  • How are flight prices from Buffalo to San Antonio looking right now?

    One-way fares from Buffalo to San Antonio are currently lower than usual. Average one-way flight prices are about C$ 275, which is 24% below the typical average for this route.

  • How much time can I save by choosing a different layover airport when travelling from Buffalo to San Antonio?

    Flying via Detroit Metropolitan Wayne County (DTW) gives the shortest average 1-stop total travel time at 5h 36m, compared with 5h 38m via Chicago Midway (MDW) and 5h 56m via Atlanta Hartsfield-Jackson (ATL).

  • What is the time difference between Buffalo and San Antonio?

    San Antonio is 1 hour behind Buffalo (Central Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at San Antonio Airport (SAT)?

    San Antonio Airport (SAT) hosts 5 major car rental companies, with daily rates starting from around C$ 31 for economy cars. Top options include:
    • Europcar
    • Fox
    • Dollar
    • Hertz
    • Alamo

  • How much should I expect to pay for a Buffalo to San Antonio flight?

    Round-trip flights from Buffalo to San Antonio range from C$ 504 to C$ 698, with an average of C$ 592 over the past 12 months. Anything below C$ 504 counts as a good deal.

Your guide to booking Buffalo to San Antonio flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Tuesday departure instead of Wednesday. On this route, Tuesday flights average C$ 529 – about C$ 147 less than Wednesday (22% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 23 weeks before you fly. On this route, that window historically saves about 78% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Buffalo to San Antonio trip for August. Fares historically average C$ 501 round-trip in that month – typically C$ 417 less than the most expensive month, which is May (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to San Antonio Airport.
    - Crowne Plaza San Antonio Airport By IHG
    - La Quinta Inn & Suites by Wyndham San Antonio Airport
    - Heritage Inn & Suites San Antonio Airport, Trademark Wyndham

More options for your flight from Buffalo to San Antonio

Complete your trip to San Antonio with a hotel stay or car rental

Car rentals in San Antonio
Hotels in San Antonio
Vacations in San Antonio