Southwest® flights from Atlanta to Buffalo/Niagara Falls from $140

Promo Code

Low fares from Atlanta to Buffalo/Niagara Falls

$

Atlanta (ATL)to

Buffalo/Niagara Falls (BUF)
Depart: 03/08/2026

One-way

Basic

From
$140
Seen: 18 hrs ago

Atlanta (ATL)to

Buffalo/Niagara Falls (BUF)
Depart: 03/16/2026

One-way

Basic

From
$160
Seen: 19 minutes ago

Atlanta (ATL)to

Buffalo/Niagara Falls (BUF)
Depart: 03/08/2026

One-way

Choice

From
$175
Seen: 18 hrs ago

Atlanta (ATL)to

Buffalo/Niagara Falls (BUF)
Depart: 04/23/2026

One-way

Basic

From
$180
Seen: 13 hrs ago

Atlanta (ATL)to

Buffalo/Niagara Falls (BUF)
Depart: 03/24/2026

One-way

Basic

From
$180
Seen: 12 hrs ago

Atlanta (ATL)to

Buffalo/Niagara Falls (BUF)
Depart: 03/25/2026

One-way

Basic

From
$180
Seen: 8 hrs ago
Two happy travelers riding a scooter at sunset, promoting low-fare flights.

Looking for more low-fare flights?

Check out the Low Fare Calendar to find a fare that works for you. Just choose the month you want to depart and return, and we’ll show you the best fares available.

Find low fares

Explore flights from Atlanta to Buffalo/Niagara Falls

Flight Details

Departing from:
Hartsfield-Jackson Atlanta International Airport
Arriving at:
Buffalo Niagara International Airport
Average flight time:
2 hours
Distance:
712 miles

Route Information

114 Weekly flights
  • 1 Nonstop flight per day Monday through Friday

† Weekly flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025. Note: route may not operate every day of the week.

‡ Nonstop flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025.

Questions we hear the most

The average flight time from Atlanta to Buffalo/Niagara Falls is 2 hours.
There are 114 weekly flights from Atlanta to Buffalo/Niagara Falls on Southwest Airlines.
Yes, Southwest flies nonstop from Atlanta to Buffalo/Niagara Falls once per day from Monday through Friday.
To find the lowest fares by day and time to fly Atlanta to Buffalo/Niagara Falls with Southwest, check out our Low Fare Calendar.
You can rent a car at Buffalo Niagara International Airport book yours with your flight.
Yes! Flights from Atlanta to Buffalo/Niagara Falls—or from here or there to anywhere—can be changed with no change fees. Fare difference may apply.
Check the status of your upcoming Southwest flight.
Check out the Southwest Airlines® Help Center for answers about everything Southwest.

Popular Flights from Atlanta