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Cheap flights from Seattle to Louisville from $147

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Louisville departing on 5/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Seattle to Louisville

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
7:10 am - 7:35 pm
SEA
-
SDF
9h 25m
1 stop
American Airlines Logo
7:45 pm - 12:59 am
SDF
-
SEA
8h 14m
1 stop
$293American Airlines
Wed, May 27 - Wed, Jun 3
American Airlines Logo
6:00 am - 4:47 pm
SEA
-
SDF
7h 47m
1 stop
American Airlines Logo
6:56 pm - 12:16 am
SDF
-
SEA
8h 20m
1 stop
$311American Airlines
Tue, May 19 - Tue, May 26
Delta Logo
1:30 pm - 11:59 pm
SEA
-
SDF
7h 29m
1 stop
Delta Logo
7:49 pm - 11:44 pm
SDF
-
SEA
6h 55m
1 stop
$340Delta
Sat, May 16 - Wed, May 20
Delta Logo
1:30 pm - 11:59 pm
SEA
-
SDF
7h 29m
1 stop
Delta Logo
5:52 pm - 10:48 pm
SDF
-
SEA
7h 56m
1 stop
$371Delta
Sat, May 16 - Sat, May 23
Southwest Logo
6:00 am - 3:05 pm
SEA
-
SDF
6h 05m
1 stop
Southwest Logo
4:40 pm - 12:10 am
SDF
-
SEA
10h 30m
2 stops
$381Southwest
Wed, May 27 - Wed, Jun 3
Delta Logo
6:00 am - 3:48 pm
SEA
-
SDF
6h 48m
1 stop
Delta Logo
4:28 pm - 8:43 pm
SDF
-
SEA
7h 15m
1 stop
$387Delta
Sat, May 9 - Tue, May 12
Delta Logo
11:59 pm - 11:59 am
SEA
-
SDF
9h 00m
1 stop
Delta Logo
7:49 pm - 11:44 pm
SDF
-
SEA
6h 55m
1 stop
$399Delta
Thu, May 14 - Mon, May 18
Southwest Logo
11:05 pm - 10:05 am
SEA
-
SDF
8h 00m
1 stop
Southwest Logo
8:05 pm - 12:25 am
SDF
-
SEA
7h 20m
1 stop
$406Southwest
Thu, Jun 4 - Thu, Jun 11
Southwest Logo
5:30 am - 2:55 pm
SEA
-
SDF
6h 25m
1 stop
Southwest Logo
5:05 pm - 12:10 am
SDF
-
SEA
10h 05m
2 stops
$411Southwest
Thu, Jun 4 - Sat, Jun 13
Southwest Logo
11:45 pm - 9:50 am
SEA
-
SDF
7h 05m
1 stop
Southwest Logo
7:15 pm - 12:10 am
SDF
-
SEA
7h 55m
1 stop
$422Southwest
Tue, May 19 - Wed, Jun 3

Delta flights from Seattle to Louisville

Our best Delta deals on Seattle to Louisville flight tickets
Delta
May 16
SEA1:30 pmSeattle/Tacoma Intl
7h 29m
1 stop
SDF11:59 pmLouisville Intl
May 20
SDF7:49 pmLouisville Intl
6h 55m
1 stop
SEA11:44 pmSeattle/Tacoma Intl
$340
Delta
May 16
SEA1:30 pmSeattle/Tacoma Intl
7h 29m
1 stop
SDF11:59 pmLouisville Intl
May 23
SDF5:52 pmLouisville Intl
7h 56m
1 stop
SEA10:48 pmSeattle/Tacoma Intl
$371
Delta
May 9
SEA6:00 amSeattle/Tacoma Intl
6h 48m
1 stop
SDF3:48 pmLouisville Intl
May 12
SDF4:28 pmLouisville Intl
7h 15m
1 stop
SEA8:43 pmSeattle/Tacoma Intl
$387

United Airlines flights from Seattle to Louisville

Our best United Airlines deals on Seattle to Louisville flight tickets
United Airlines
May 20
SEA12:51 pmSeattle/Tacoma Intl
6h 40m
1 stop
SDF10:31 pmLouisville Intl
May 28
SDF6:00 amLouisville Intl
8h 38m
1 stop
SEA11:38 amSeattle/Tacoma Intl
$422
United Airlines
Jun 1
SEA11:52 pmSeattle/Tacoma Intl
6h 10m
1 stop
SDF9:02 amLouisville Intl
Jun 3
SDF5:20 amLouisville Intl
7h 20m
1 stop
SEA9:40 amSeattle/Tacoma Intl
$424
United Airlines
Jun 1
SEA5:04 pmSeattle/Tacoma Intl
12h 58m
2 stops
SDF9:02 amLouisville Intl
Jun 3
SDF5:20 amLouisville Intl
7h 20m
1 stop
SEA9:40 amSeattle/Tacoma Intl
$429

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Louisville that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated April 23, 2026.
Use the filters below to find and compare flights from Seattle to Louisville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleLouisville

SEA - SDF

SEASDF

Seattle/Tacoma Intl

Wed 5/27

7:10 am-7:35 pm

1 stop9h 25m

Louisville Intl

Wed 6/3

7:45 pm-12:59 am

1 stop8h 14m

$293

SeattleLouisville

SEA - SDF

SEASDF

Seattle/Tacoma Intl

Tue 5/19

6:00 am-4:47 pm

1 stop7h 47m

Louisville Intl

Tue 5/26

6:56 pm-12:16 am

1 stop8h 20m

$311

SeattleLouisville

SEA - SDF

SEASDF

Seattle/Tacoma Intl

Sat 5/16

1:30 pm-11:59 pm

1 stop7h 29m

Louisville Intl

Wed 5/20

7:49 pm-11:44 pm

1 stop6h 55m

$340

SeattleLouisville

SEA - SDF

SEASDF

Seattle/Tacoma Intl

Sat 5/16

1:30 pm-11:59 pm

1 stop7h 29m

Louisville Intl

Sat 5/23

5:52 pm-10:48 pm

1 stop7h 56m

$371

SeattleLouisville

SEA - SDF

SEASDF

Seattle/Tacoma Intl

Wed 5/27

6:00 am-3:05 pm

1 stop6h 05m

Louisville Intl

Wed 6/3

4:40 pm-12:10 am

2 stops10h 30m

$381
Quickest round-trip

SeattleLouisville

SEA - SDF

SEASDF

Seattle/Tacoma Intl

Sat 5/9

6:00 am-3:48 pm

1 stop6h 48m

Louisville Intl

Tue 5/12

4:28 pm-8:43 pm

1 stop7h 15m

$387

SeattleLouisville

SEA - SDF

SEASDF

Seattle/Tacoma Intl

Thu 5/14

11:59 pm-11:59 am

1 stop9h 00m

Louisville Intl

Mon 5/18

7:49 pm-11:44 pm

1 stop6h 55m

$399

SeattleLouisville

SEA - SDF

SEASDF

Seattle/Tacoma Intl

Thu 6/4

11:05 pm-10:05 am

1 stop8h 00m

Louisville Intl

Thu 6/11

8:05 pm-12:25 am

1 stop7h 20m

$406

SeattleLouisville

SEA - SDF

SEASDF

Seattle/Tacoma Intl

Thu 6/4

5:30 am-2:55 pm

1 stop6h 25m

Louisville Intl

Sat 6/13

5:05 pm-12:10 am

2 stops10h 05m

$411

SeattleLouisville

SEA - SDF

SEASDF

Seattle/Tacoma Intl

Tue 5/19

11:45 pm-9:50 am

1 stop7h 05m

Louisville Intl

Wed 6/3

7:15 pm-12:10 am

1 stop7h 55m

$422

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Louisville from

How to get the cheapest flight ticket from Seattle to Louisville

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Seattle and Louisville?

What is the cheapest month to fly to Louisville?

If you are unable to visit Louisville during the month of January, then departing from Seattle during the month August is also very affordable. Most momondo users find prices during this month for around $352.

How far in advance should I book a flight from Seattle to Louisville?

You are more likely to see cheaper flights to Louisville from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Louisville for around $461 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Louisville from Seattle for as low as $345 on momondo.

How have Seattle to Louisville flight prices changed over time?

As of April 2026, prices for Seattle to Louisville flights are approximately 134% more expensive when compared to flights at the same time last year.

When to book flights from Seattle to Louisville

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Louisville according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to Louisville (SEA to SDF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Louisville

Fastest flight time

6h 20m

Direct flights

None
The fastest flight from Seattle to Louisville takes 6h 20m
There are no direct flights from Seattle to Louisville. There are no popular flight routes from Seattle to Louisville.
Search flight deals

Frequently asked questions about flying from Seattle to Louisville

  • How far is Seattle/Tacoma Intl to Louisville Intl by plane?

    There are 1938.2 mi between Seattle/Tacoma Intl and Louisville Intl. By plane, this route typically takes 6h 20m.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Louisville Intl Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Louisville Intl Airport are updated daily.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Louisville Intl Airport?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Louisville Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Louisville Intl Airport.

  • What documentation or ID do you need to fly to Louisville Intl Airport?

    The travel and health documents you'll need for your trip to Louisville Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Louisville Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Seattle to Louisville?

Best airlines flying from Seattle to Louisville

Compare and see reviews for airlines that fly from Seattle to Louisville with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $242Free CancellationRating
7.9
8,438 reviews
Search Delta flights
United AirlinesPriceFrom $283Free CancellationRating
7.4
9,635 reviews
Search United Airlines flights
American AirlinesPriceFrom $285Free CancellationRating
7.1
11,659 reviews
Search American Airlines flights
SouthwestPriceFrom $300Free CancellationRating
8.0
4,327 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $491Free CancellationRating
7.9
12,275 reviews
Search Alaska Airlines flights

Traveling to a place near Louisville?

Book flights to Louisville if you plan to visit one of these locations
French Lick
Elizabethtown
West Baden Springs
Jeffersonville
Bardstown
New Albany
Shepherdsville
Brandenburg
Corydon
Charlestown
Elizabeth
Springfield
Georgetown

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Louisville?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Seattle to Louisville for you.

Can I find flights from Seattle to Louisville with flexible booking policies on momondo?

Flights from Seattle to Louisville with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Seattle to Louisville?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Seattle to Louisville.

I’m not ready to book a flight from Seattle to Louisville right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Seattle to Louisville flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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