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Find low faresSouthwest® flights from Raleigh/Durham to Buffalo/Niagara Falls from $89
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1 Passenger
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today
Low fares from Raleigh/Durham to Buffalo/Niagara Falls
$
Raleigh/Durham (RDU)to
Buffalo/Niagara Falls (BUF)
Depart: 03/09/2026
One-way
Basic
From
$89
Seen: 19 hrs ago
Raleigh/Durham (RDU)to
Buffalo/Niagara Falls (BUF)
Depart: 05/05/2026
One-way
Basic
From
$89
Seen: 15 hrs ago
Raleigh/Durham (RDU)to
Buffalo/Niagara Falls (BUF)
Depart: 02/14/2026
One-way
Basic
From
$89
Seen: 16 hrs ago
Raleigh/Durham (RDU)to
Buffalo/Niagara Falls (BUF)
Depart: 05/06/2026
One-way
Basic
From
$89
Seen: 15 hrs ago
Raleigh/Durham (RDU)to
Buffalo/Niagara Falls (BUF)
Depart: 05/05/2026
One-way
Choice
From
$119
Seen: 15 hrs ago
Raleigh/Durham (RDU)to
Buffalo/Niagara Falls (BUF)
Depart: 03/09/2026
One-way
Choice
From
$119
Seen: 19 hrs ago
Explore flights from Raleigh/Durham to Buffalo/Niagara Falls
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Flight Details
Departing from:
Raleigh/Durham Airport
Arriving at:
Buffalo Niagara International Airport
Distance:
487 miles
Route Information
108† Weekly flights
† 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
There are 108 weekly flights from Raleigh/Durham to Buffalo/Niagara Falls on Southwest Airlines.
To find the lowest fares by day and time to fly Raleigh/Durham 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 Raleigh/Durham 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.