Cheap flights from Louisville to Duck Key from CA $278

View CA $278 flight on Fri, Aug. 29, 2025Opens in a new window

Popular airlines from Louisville to Duck Key

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Cheap flights from Louisville (SDF) to Duck Key (MIA)

Prices were available within the past 7 days and start at CA $278 for one-way flights and CA $427 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Fri, Aug. 29 - Mon, Sep. 1
SDF
Louisville
MIA
Miami
CA $427 Roundtrip, found 19 hours ago
CA $427
Roundtrip
found 19 hours ago
Select American Airlines flight, departing Fri, Aug. 29 from Louisville to Miami, returning Mon, Sep. 1, priced at CA $427 found 19 hours ago
American Airlines
Fri, Aug. 29 - Mon, Sep. 1
SDF
Louisville
MIA
Miami
CA $441 Roundtrip, found 19 hours ago
CA $441
Roundtrip
found 19 hours ago
Select American Airlines flight, departing Fri, Aug. 29 from Louisville to Miami, returning Mon, Sep. 1, priced at CA $441 found 19 hours ago
American Airlines
Fri, Aug. 29 - Mon, Sep. 1
SDF
Louisville
MIA
Miami
CA $483 Roundtrip, found 19 hours ago
CA $483
Roundtrip
found 19 hours ago
Select American Airlines flight, departing Fri, Aug. 29 from Louisville to Miami, returning Mon, Sep. 1, priced at CA $483 found 19 hours ago
American Airlines
Fri, Aug. 29 - Mon, Sep. 1
SDF
Louisville
MIA
Miami
CA $485 Roundtrip, found 19 hours ago
CA $485
Roundtrip
found 19 hours ago
Select American Airlines flight, departing Fri, Aug. 29 from Louisville to Miami, returning Mon, Sep. 1, priced at CA $485 found 19 hours ago
American Airlines
Fri, Aug. 29 - Mon, Sep. 1
SDF
Louisville
MIA
Miami
CA $497 Roundtrip, found 19 hours ago
CA $497
Roundtrip
found 19 hours ago
Select American Airlines flight, departing Fri, Aug. 29 from Louisville to Miami, returning Mon, Sep. 1, priced at CA $497 found 19 hours ago
Delta
Fri, Aug. 29 - Mon, Sep. 1
SDF
Louisville
MIA
Miami
CA $668 Roundtrip, found 19 hours ago
CA $668
Roundtrip
found 19 hours ago
Select Delta flight, departing Fri, Aug. 29 from Louisville to Miami, returning Mon, Sep. 1, priced at CA $668 found 19 hours ago

Find the cheapest month to fly from Louisville (SDF) to Miami (MIA)

September is typically the cheapest month to fly

From CA $209 - CA $378 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.