MXN$4,045 Cheap Flights from Louisville (SDF) to Seattle (SEA)

View MXN$4,045 flight on Thu, 21 May 2026Opens in a new window

Popular airlines from Louisville Intl. Airport (SDF) to Seattle-Tacoma International Airport (SEA)

    notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
    deals illustration

    Book smarter

    Save up to 35% on select hotels after you book a flight*
    trophy illustration

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Louisville to Seattle (SDF-SEA)

Prices were available within the past 7 days and start at MXN$4,045 for one-way flights and MXN$8,089 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, 21 May - Tue, 2 Jun
SDF
Louisville
SEA
Seattle
MXN$8,089 Roundtrip, found 4 days ago
MXN$8,089
Roundtrip
found 4 days ago
Select Delta flight, departing Thu, 21 May from Louisville to Seattle, returning Tue, 2 Jun, priced at MXN$8,089 found 4 days ago
Delta
Thu, 21 May - Tue, 2 Jun
SDF
Louisville
SEA
Seattle
MXN$8,090 Roundtrip, found 4 days ago
MXN$8,090
Roundtrip
found 4 days ago
Select Delta flight, departing Thu, 21 May from Louisville to Seattle, returning Tue, 2 Jun, priced at MXN$8,090 found 4 days ago
Delta
Thu, 21 May - Tue, 2 Jun
SDF
Louisville
SEA
Seattle
MXN$8,646 Roundtrip, found 4 days ago
MXN$8,646
Roundtrip
found 4 days ago
Select Delta flight, departing Thu, 21 May from Louisville to Seattle, returning Tue, 2 Jun, priced at MXN$8,646 found 4 days ago
Delta
Thu, 21 May - Tue, 2 Jun
SDF
Louisville
SEA
Seattle
MXN$8,663 Roundtrip, found 4 days ago
MXN$8,663
Roundtrip
found 4 days ago
Select Delta flight, departing Thu, 21 May from Louisville to Seattle, returning Tue, 2 Jun, priced at MXN$8,663 found 4 days ago
Delta
Thu, 21 May - Tue, 2 Jun
SDF
Louisville
SEA
Seattle
MXN$8,717 Roundtrip, found 4 days ago
MXN$8,717
Roundtrip
found 4 days ago
Select Delta flight, departing Thu, 21 May from Louisville to Seattle, returning Tue, 2 Jun, priced at MXN$8,717 found 4 days ago
Delta
Thu, 21 May - Tue, 2 Jun
SDF
Louisville
SEA
Seattle
MXN$8,849 Roundtrip, found 4 days ago
MXN$8,849
Roundtrip
found 4 days ago
Select Delta flight, departing Thu, 21 May from Louisville to Seattle, returning Tue, 2 Jun, priced at MXN$8,849 found 4 days ago
Delta
Thu, 21 May - Tue, 2 Jun
SDF
Louisville
SEA
Seattle
MXN$8,905 Roundtrip, found 4 days ago
MXN$8,905
Roundtrip
found 4 days ago
Select Delta flight, departing Thu, 21 May from Louisville to Seattle, returning Tue, 2 Jun, priced at MXN$8,905 found 4 days ago
American Airlines
Thu, 21 May - Tue, 2 Jun
SDF
Louisville
SEA
Seattle
MXN$9,385 Roundtrip, found 4 days ago
MXN$9,385
Roundtrip
found 4 days ago
Select American Airlines flight, departing Thu, 21 May from Louisville to Seattle, returning Tue, 2 Jun, priced at MXN$9,385 found 4 days ago
Alaska Airlines
Thu, 21 May - Tue, 2 Jun
SDF
Louisville
SEA
Seattle
MXN$11,750 Roundtrip, found 4 days ago
MXN$11,750
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Thu, 21 May from Louisville to Seattle, returning Tue, 2 Jun, priced at MXN$11,750 found 4 days ago
United
Thu, 21 May - Tue, 2 Jun
SDF
Louisville
SEA
Seattle
MXN$12,535 Roundtrip, found 4 days ago
MXN$12,535
Roundtrip
found 4 days ago
Select United flight, departing Thu, 21 May from Louisville to Seattle, returning Tue, 2 Jun, priced at MXN$12,535 found 4 days ago

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

September is typically the cheapest month to fly

From MXN$3,503 - MXN$8,633 per traveler.

Travel information

Origin airport
Louisville Intl.
Destination airport
Seattle - Tacoma Intl.
Roundtrip price
MXN$8,089
Distance
3102 km

Explore a world of travel with Expedia

*Available to Expedia members.