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Cheap flights from Seattle to Louisville from $180

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 5/19. 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
8:04 am - 11:19 pm
SEA
-
SDF
12h 15m
1 stop
American Airlines Logo
8:07 am - 10:20 pm
SDF
-
SEA
17h 13m
1 stop
$318American Airlines
Wed, Feb 4 - Sat, Feb 7
Delta Logo
11:00 pm - 10:16 am
SEA
-
SDF
8h 16m
1 stop
Delta Logo
3:09 pm - 9:49 pm
SDF
-
SEA
9h 40m
1 stop
$321Delta
Tue, Apr 14 - Tue, Apr 21
American Airlines Logo
8:04 am - 11:19 pm
SEA
-
SDF
12h 15m
1 stop
American Airlines Logo
8:07 am - 10:20 pm
SDF
-
SEA
17h 13m
1 stop
$337American Airlines
Wed, Feb 4 - Sat, Feb 7
American Airlines Logo
8:04 am - 11:19 pm
SEA
-
SDF
12h 15m
1 stop
American Airlines Logo
1:15 pm - 8:45 pm
SDF
-
SEA
10h 30m
1 stop
$339American Airlines
Wed, Feb 4 - Sat, Feb 7
Delta Logo
6:00 am - 3:54 pm
SEA
-
SDF
6h 54m
1 stop
Delta Logo
4:34 pm - 8:42 pm
SDF
-
SEA
7h 08m
1 stop
$350Delta
Tue, Apr 21 - Sat, May 2
American Airlines Logo
7:21 am - 9:26 pm
SEA
-
SDF
11h 05m
1 stop
American Airlines Logo
12:07 pm - 11:04 pm
SDF
-
SEA
13h 57m
1 stop
$357American Airlines
Mon, Mar 23 - Wed, Mar 25
American Airlines Logo
7:21 am - 5:18 pm
SEA
-
SDF
6h 57m
1 stop
American Airlines Logo
8:12 pm - 12:55 am
SDF
-
SEA
7h 43m
1 stop
$358American Airlines
Thu, Mar 12 - Mon, Mar 16
American Airlines Logo
5:43 am - 4:47 pm
SEA
-
SDF
8h 04m
1 stop
American Airlines Logo
6:00 am - 11:28 am
SDF
-
SEA
8h 28m
1 stop
$359American Airlines
Tue, Apr 14 - Tue, Apr 21
Southwest Logo
11:55 pm - 12:45 pm
SEA
-
SDF
9h 50m
2 stops
Southwest Logo
8:55 am - 12:45 pm
SDF
-
SEA
6h 50m
1 stop
$364Southwest
Mon, Mar 23 - Wed, Mar 25
Delta Logo
11:14 pm - 9:56 am
SEA
-
SDF
7h 42m
1 stop
Delta Logo
8:15 am - 3:26 pm
SDF
-
SEA
10h 11m
1 stop
$370Delta
Tue, Apr 21 - Wed, May 6

American Airlines flights from Seattle to Louisville

Our best American Airlines deals on Seattle to Louisville flight tickets
American Airlines
Feb 4
SEA8:04 amSeattle/Tacoma Intl
12h 15m
1 stop
SDF11:19 pmLouisville Intl
Feb 7
SDF8:07 amLouisville Intl
17h 13m
1 stop
SEA10:20 pmSeattle/Tacoma Intl
$318
American Airlines
Feb 4
SEA8:04 amSeattle/Tacoma Intl
12h 15m
1 stop
SDF11:19 pmLouisville Intl
Feb 7
SDF8:07 amLouisville Intl
17h 13m
1 stop
SEA10:20 pmSeattle/Tacoma Intl
$337
American Airlines
Feb 4
SEA8:04 amSeattle/Tacoma Intl
12h 15m
1 stop
SDF11:19 pmLouisville Intl
Feb 7
SDF1:15 pmLouisville Intl
10h 30m
1 stop
SEA8:45 pmSeattle/Tacoma Intl
$339

Southwest flights from Seattle to Louisville

Our best Southwest deals on Seattle to Louisville flight tickets
Southwest
Mar 23
SEA11:55 pmSeattle/Tacoma Intl
9h 50m
2 stops
SDF12:45 pmLouisville Intl
Mar 25
SDF8:55 amLouisville Intl
6h 50m
1 stop
SEA12:45 pmSeattle/Tacoma Intl
$364
Southwest
Feb 20
SEA9:35 amSeattle/Tacoma Intl
12h 10m
2 stops
SDF12:45 amLouisville Intl
Feb 23
SDF6:25 amLouisville Intl
7h 25m
1 stop
SEA10:50 amSeattle/Tacoma Intl
$403
Southwest
Feb 20
SEA9:35 amSeattle/Tacoma Intl
12h 10m
2 stops
SDF12:45 amLouisville Intl
Feb 24
SDF12:50 pmLouisville Intl
12h 40m
2 stops
SEA10:30 pmSeattle/Tacoma Intl
$409

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 January 13, 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

SeattleLouisville

SEA - SDF

SEASDF

Seattle/Tacoma Intl

Wed 2/4

8:04 am-11:19 pm

1 stop12h 15m

Louisville Intl

Sat 2/7

8:07 am-10:20 pm

1 stop17h 13m

$318

SeattleLouisville

SEA - SDF

SEASDF

Seattle/Tacoma Intl

Tue 4/14

11:00 pm-10:16 am

1 stop8h 16m

Louisville Intl

Tue 4/21

3:09 pm-9:49 pm

1 stop9h 40m

$321

SeattleLouisville

SEA - SDF

SEASDF

Seattle/Tacoma Intl

Wed 2/4

8:04 am-11:19 pm

1 stop12h 15m

Louisville Intl

Sat 2/7

8:07 am-10:20 pm

1 stop17h 13m

$337

SeattleLouisville

SEA - SDF

SEASDF

Seattle/Tacoma Intl

Wed 2/4

8:04 am-11:19 pm

1 stop12h 15m

Louisville Intl

Sat 2/7

1:15 pm-8:45 pm

1 stop10h 30m

$339

SeattleLouisville

SEA - SDF

SEASDF

Seattle/Tacoma Intl

Tue 4/21

6:00 am-3:54 pm

1 stop6h 54m

Louisville Intl

Sat 5/2

4:34 pm-8:42 pm

1 stop7h 08m

$350

SeattleLouisville

SEA - SDF

SEASDF

Seattle/Tacoma Intl

Mon 3/23

7:21 am-9:26 pm

1 stop11h 05m

Louisville Intl

Wed 3/25

12:07 pm-11:04 pm

1 stop13h 57m

$357

SeattleLouisville

SEA - SDF

SEASDF

Seattle/Tacoma Intl

Thu 3/12

7:21 am-5:18 pm

1 stop6h 57m

Louisville Intl

Mon 3/16

8:12 pm-12:55 am

1 stop7h 43m

$358

SeattleLouisville

SEA - SDF

SEASDF

Seattle/Tacoma Intl

Tue 4/14

5:43 am-4:47 pm

1 stop8h 04m

Louisville Intl

Tue 4/21

6:00 am-11:28 am

1 stop8h 28m

$359

SeattleLouisville

SEA - SDF

SEASDF

Seattle/Tacoma Intl

Mon 3/23

11:55 pm-12:45 pm

2 stops9h 50m

Louisville Intl

Wed 3/25

8:55 am-12:45 pm

1 stop6h 50m

$364

SeattleLouisville

SEA - SDF

SEASDF

Seattle/Tacoma Intl

Tue 4/21

11:14 pm-9:56 am

1 stop7h 42m

Louisville Intl

Wed 5/6

8:15 am-3:26 pm

1 stop10h 11m

$370

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 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 $416.

How far in advance should I book a flight 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 $459 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 $318 on momondo.

How have Seattle to Louisville flight prices changed over time?

As of January 2026, prices for Seattle to Louisville flights are approximately 10% cheaper 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 14m

Direct flights

None
The fastest flight from Seattle to Louisville takes 6h 14m
There are no direct flights from Seattle to Louisville. There are no popular flight routes from Seattle to Louisville.
Search flight deals

  • 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 14m.

  • 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 $244Free CancellationRating
7.9
8,040 reviews
Search Delta flights
United AirlinesPriceFrom $283Free CancellationRating
7.4
9,156 reviews
Search United Airlines flights
American AirlinesPriceFrom $298Free CancellationRating
7.2
11,118 reviews
Search American Airlines flights
SouthwestPriceFrom $300Free CancellationRating
8.0
4,257 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $469Free CancellationRating
7.9
11,701 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
Bardstown
Jeffersonville
Shepherdsville
New Albany
Corydon
Elizabeth
Charlestown
Brandenburg
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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