Louisville to Seattle flights

Routavio compares airline fares from several flight booking sites. Search Louisville to Seattle to see the lowest price before you book.

Lowest fare seen
€191Seen on 17 Oct 2026
Last checked
1 Nov 2026
Observed fares. Prices may change.

Find the dates that work for you

The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.

One-way fare

One-way fare · No data: click and we will search
Airlines seen
Air Canada, Alaska Airlines, Allegiant Air, Breeze Airways, Frontier Airlines, United Airlines
Typical journey time
8h 19m

Louisville → SeattleMon 23 Nov 2026 · €191Last checked: 17 Oct 2026

About this route

Explore the fares we observed from Louisville to Seattle. Prices move often, so pick your dates to see the latest options.

Route distance
3,120 km
Typical journey time
8h 19m
Seen on fares with a connection
United Airlines, Alaska Airlines, Breeze Airways, Frontier Airlines
Alternative airports
BFI

Route-level information; individual journeys vary.
We have not observed non-stop service on this route; the fares shown include at least one stop.

A clearer picture of your fare

Observed, not guaranteed
Every price is a fare we actually saw, and it may change at any time.
Compare the same trip
We show like-for-like journeys so the comparison is fair.
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The price is final on the provider's site, where your booking is completed.
How our prices work
Price alert
Price alert for Louisville → Seattle

If the observed fare for this date drops, we will email you. At most one message a day.

Airport to city: straight-line distance

  • Louisville Muhammad Ali International Airport (SDF) → Louisville, city gazetteer reference point (38.2527, -85.7585): ≈ 9 km.
  • King County International Airport - Boeing Field (BFI) → Seattle, city gazetteer reference point (47.6062, -122.3321): ≈ 9 km.
  • Seattle–Tacoma International Airport (SEA) → Seattle, city gazetteer reference point (47.6062, -122.3321): ≈ 18 km.

Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.

Frequently asked

How much was a flight from Louisville to Seattle?

A fare of €191 was seen on 17 Oct 2026. Fares change, so search your dates for the current price.

Are there direct flights from Louisville to Seattle?

Our data holds no non-stop flight from Louisville to Seattle. The fares on this page include at least one stop.

Which airlines fly from Louisville to Seattle?

Routavio has seen these carriers on the route: Air Canada, Alaska Airlines, Allegiant Air, Breeze Airways, Frontier Airlines, United Airlines.

How long does the flight from Louisville to Seattle take?

Across the 77 fares Routavio observed, the average journey time is 18h 19m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.

How many of the observed Louisville to Seattle fares were non-stop?

None of the 77 fares we observed was non-stop; every one included at least one stop. That describes our observations, not every flight that operates.

How observed prices work, what "No data" means and what a fare includes: Read the flight price guide · Price and schedule freshness on Routavio

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Recently observed fares. Prices may change.

About these prices
Fares are observed at trusted providers and refreshed regularly. They can change at any time and may not include extras.
Data and updates
Last checked 1 Nov 2026. Availability and fares must be confirmed when you search.
Your booking
When you book, the price is confirmed with the provider. Booking is completed on their site; we do not process payments.