Southwest® flights from Grand Rapids to Louisville from $136

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Low fares from Grand Rapids to Louisville

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Grand Rapids (GRR)to

Louisville (SDF)
Depart: 05/04/2026

One-way

Basic

From
$136
Seen: 23 hrs ago

Grand Rapids (GRR)to

Louisville (SDF)
Depart: 05/04/2026

One-way

Choice

From
$167
Seen: 23 hrs ago

Grand Rapids (GRR)to

Louisville (SDF)
Depart: 04/23/2026

One-way

Basic

From
$184
Seen: 9 hrs ago

Grand Rapids (GRR)to

Louisville (SDF)
Depart: 04/23/2026

One-way

Choice

From
$214
Seen: 9 hrs ago

Grand Rapids (GRR)to

Louisville (SDF)
Depart: 03/10/2026

One-way

Basic

From
$220
Seen: 10 hrs ago

Grand Rapids (GRR)to

Louisville (SDF)
Depart: 03/10/2026

One-way

Choice

From
$234
Seen: 10 hrs ago

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Explore flights from Grand Rapids to Louisville

*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:
Kent County International Airport
Arriving at:
Louisville International Airport
Distance:
325 miles

Route Information

61† 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 61 weekly flights from Grand Rapids to Louisville on Southwest Airlines.
To find the lowest fares by day and time to fly Grand Rapids 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 Grand Rapids 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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