Southwest® flights from Buffalo/Niagara Falls to Louisville from $180

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Low fares from Buffalo/Niagara Falls to Louisville

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Buffalo/Niagara Falls (BUF)to

Louisville (SDF)
Depart: 11/23/2026

One-way

Basic

From
$180
Seen: 18 hrs ago

Buffalo/Niagara Falls (BUF)to

Louisville (SDF)
Depart: 12/10/2026

One-way

Basic

From
$202
Seen: 10 hrs ago

Buffalo/Niagara Falls (BUF)to

Louisville (SDF)
Depart: 11/23/2026

One-way

Choice

From
$215
Seen: 18 hrs ago

Buffalo/Niagara Falls (BUF)to

Louisville (SDF)
Depart: 12/10/2026

One-way

Choice

From
$237
Seen: 10 hrs ago

Buffalo/Niagara Falls (BUF)to

Louisville (SDF)
Depart: 11/13/2026

One-way

Basic

From
$285
Seen: 55 minutes ago

Buffalo/Niagara Falls (BUF)to

Louisville (SDF)
Depart: 11/08/2026

One-way

Basic

From
$285
Seen: 19 hrs ago

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Explore flights from Buffalo/Niagara Falls to Louisville

Oct 2026
From$361*
Seen: 13 hrs ago
One Way/Basic
Nov 2026
From$180*
Seen: 18 hrs ago
One Way/Basic
Dec 2026
From$202*
Seen: 10 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $180
Displaying fares for October-2026
  • BUF–SDF, 10/25/2026: From $361
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    NOV

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  • BUF–SDF, 11/08/2026: From $285
    08

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  • BUF–SDF, 11/12/2026: From $285
    12

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  • BUF–SDF, 11/13/2026: From $285
    13

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  • BUF–SDF, 11/23/2026: From $180
    23

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    • Range$180-$361

    *Fares displayed have been collected within the last 24 hours and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply. Modifying this information may result in a different fare. To find the most updated fare, please visit Southwest.com. Fares listed are Basic, which are subject to additional terms and conditions.

    Flight Details

    Departing from:
    Buffalo Niagara International Airport
    Arriving at:
    Louisville International Airport
    Distance:
    494 miles

    Questions we hear the most

    There are 91 weekly flights from Buffalo/Niagara Falls to Louisville on Southwest Airlines.
    To find the lowest fares by day and time to fly Buffalo/Niagara Falls to Louisville with Southwest, check out our Low Fare Calendar.
    You can rent a car at Louisville International Airport book yours with your flight.
    Yes! Flights from Buffalo/Niagara Falls to Louisville—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.

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