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Find low faresSouthwest® flights from Kansas City to Buffalo/Niagara Falls from $171
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Low fares from Kansas City to Buffalo/Niagara Falls
$
Kansas City (MCI)to
Buffalo/Niagara Falls (BUF)
Depart: 04/21/2026
One-way
Basic
From
$171
Seen: 17 hrs ago
Kansas City (MCI)to
Buffalo/Niagara Falls (BUF)
Depart: 04/22/2026
One-way
Basic
From
$171
Seen: 16 hrs ago
Kansas City (MCI)to
Buffalo/Niagara Falls (BUF)
Depart: 05/11/2026
One-way
Basic
From
$171
Seen: 23 hrs ago
Kansas City (MCI)to
Buffalo/Niagara Falls (BUF)
Depart: 04/24/2026
One-way
Basic
From
$194
Seen: 21 hrs ago
Kansas City (MCI)to
Buffalo/Niagara Falls (BUF)
Depart: 04/30/2026
One-way
Basic
From
$194
Seen: 14 hrs ago
Kansas City (MCI)to
Buffalo/Niagara Falls (BUF)
Depart: 05/08/2026
One-way
Basic
From
$194
Seen: 13 hrs ago
Explore flights from Kansas City to Buffalo/Niagara Falls
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Flight Details
Departing from:
Kansas City International Airport
Arriving at:
Buffalo Niagara International Airport
Distance:
870 miles
Route Information
134† 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 134 weekly flights from Kansas City to Buffalo/Niagara Falls on Southwest Airlines.
To find the lowest fares by day and time to fly Kansas City 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 Kansas City 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.