Cheap flights from Seattle to Northeast Louisville

View AU$316 flight on Thu, 4 Sep. 2025Opens in a new window

Popular airlines from Seattle to Northeast Louisville

  • Alaska Airlines

    Alaska Airlines

  • American Airlines

    American Airlines

  • Delta

    Delta

  • United

    United

  • Southwest Airlines

    Southwest Airlines

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Cheap Flights from Seattle (SEA) to Northeast Louisville (SDF)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, 4 Sep. - Mon, 8 Sep.
SEA
Seattle
SDF
Louisville
AU$631 Return, found 4 days ago
AU$631
Return
found 4 days ago
Select American Airlines flight, departing Thu, 4 Sep. from Seattle to Louisville, returning Mon, 8 Sep., priced at AU$631 found 4 days ago
Delta
Thu, 4 Sep. - Mon, 8 Sep.
SEA
Seattle
SDF
Louisville
AU$631 Return, found 4 days ago
AU$631
Return
found 4 days ago
Select Delta flight, departing Thu, 4 Sep. from Seattle to Louisville, returning Mon, 8 Sep., priced at AU$631 found 4 days ago
American Airlines
Thu, 4 Sep. - Mon, 8 Sep.
SEA
Seattle
SDF
Louisville
AU$646 Return, found 4 days ago
AU$646
Return
found 4 days ago
Select American Airlines flight, departing Thu, 4 Sep. from Seattle to Louisville, returning Mon, 8 Sep., priced at AU$646 found 4 days ago
Delta
Thu, 4 Sep. - Mon, 8 Sep.
SEA
Seattle
SDF
Louisville
AU$678 Return, found 4 days ago
AU$678
Return
found 4 days ago
Select Delta flight, departing Thu, 4 Sep. from Seattle to Louisville, returning Mon, 8 Sep., priced at AU$678 found 4 days ago
United
Thu, 4 Sep. - Mon, 8 Sep.
SEA
Seattle
SDF
Louisville
AU$708 Return, found 4 days ago
AU$708
Return
found 4 days ago
Select United flight, departing Thu, 4 Sep. from Seattle to Louisville, returning Mon, 8 Sep., priced at AU$708 found 4 days ago
Alaska Airlines
Thu, 4 Sep. - Mon, 8 Sep.
SEA
Seattle
SDF
Louisville
AU$768 Return, found 4 days ago
AU$768
Return
found 4 days ago
Select Alaska Airlines flight, departing Thu, 4 Sep. from Seattle to Louisville, returning Mon, 8 Sep., priced at AU$768 found 4 days ago

Find the cheapest month to fly from Seattle (SEA) to Louisville (SDF)

September is typically the cheapest month to fly

From AU$307 - AU$836 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.