Flights to Northeast Louisville from Seattle - ￥18,140

View ￥18,140 flight on Mon, Sep 22, 2025Opens in a new window

Popular airlines from Seattle to Northeast Louisville

  • American Airlines

    American Airlines

  • Delta

    Delta

  • United

    United

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

Prices were available within the past 7 days and start at ￥18,140 for one-way flights and ￥35,850 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Aug 13 - Mon, Aug 18
SEA
Seattle
SDF
Louisville
￥35,850 Roundtrip, found 3 days ago
￥35,850
Roundtrip
found 3 days ago
Select American Airlines flight, departing Wed, Aug 13 from Seattle to Louisville, returning Mon, Aug 18, priced at ￥35,850 found 3 days ago
American Airlines
Thu, Sep 25 - Tue, Sep 30
SEA
Seattle
SDF
Louisville
￥36,380 Roundtrip, found 17 hours ago
￥36,380
Roundtrip
found 17 hours ago
Select American Airlines flight, departing Thu, Sep 25 from Seattle to Louisville, returning Tue, Sep 30, priced at ￥36,380 found 17 hours ago
Delta
Fri, Sep 12 - Sat, Sep 13
SEA
Seattle
SDF
Louisville
￥37,230 Roundtrip, found 1 day ago
￥37,230
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, Sep 12 from Seattle to Louisville, returning Sat, Sep 13, priced at ￥37,230 found 1 day ago
Delta
Fri, Sep 12 - Tue, Sep 16
SEA
Seattle
SDF
Louisville
￥38,060 Roundtrip, found 1 day ago
￥38,060
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, Sep 12 from Seattle to Louisville, returning Tue, Sep 16, priced at ￥38,060 found 1 day ago
American Airlines
Thu, Sep 25 - Tue, Sep 30
SEA
Seattle
SDF
Louisville
￥38,640 Roundtrip, found 17 hours ago
￥38,640
Roundtrip
found 17 hours ago
Select American Airlines flight, departing Thu, Sep 25 from Seattle to Louisville, returning Tue, Sep 30, priced at ￥38,640 found 17 hours ago
United
Thu, Sep 25 - Tue, Sep 30
SEA
Seattle
SDF
Louisville
￥43,050 Roundtrip, found 17 hours ago
￥43,050
Roundtrip
found 17 hours ago
Select United flight, departing Thu, Sep 25 from Seattle to Louisville, returning Tue, Sep 30, priced at ￥43,050 found 17 hours ago

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

September is typically the cheapest month to fly

From ￥29,509 - ￥76,886 per traveler.

Graph displaying average flight prices per month

*Available to Expedia members.