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Cheap flights from Seattle to Louisville from $182

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 4/16. 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.
Multiple Airlines Logo
10:42 am - 7:26 pm
SEA
-
SDF
29h 44m
1 stop
Multiple Airlines Logo
9:21 am - 5:42 pm
SDF
-
SEA
11h 21m
1 stop
$301Multiple Airlines
Tue, May 12 - Sat, May 16
American Airlines Logo
7:00 am - 9:30 pm
SEA
-
SDF
11h 30m
1 stop
American Airlines Logo
6:00 am - 2:27 pm
SDF
-
SEA
11h 27m
1 stop
$303American Airlines
Tue, Apr 14 - Tue, Apr 21
American Airlines Logo
7:00 am - 9:30 pm
SEA
-
SDF
11h 30m
1 stop
American Airlines Logo
6:00 am - 2:27 pm
SDF
-
SEA
11h 27m
1 stop
$323American Airlines
Tue, Apr 14 - Tue, Apr 21
American Airlines Logo
6:00 am - 7:07 pm
SEA
-
SDF
10h 07m
1 stop
American Airlines Logo
6:00 am - 2:27 pm
SDF
-
SEA
11h 27m
1 stop
$350American Airlines
Wed, Apr 1 - Wed, Apr 8
American Airlines Logo
10:08 pm - 9:55 am
SEA
-
SDF
8h 47m
1 stop
American Airlines Logo
6:00 am - 2:27 pm
SDF
-
SEA
11h 27m
1 stop
$351American Airlines
Mon, Apr 6 - Wed, Apr 8
Southwest Logo
5:30 am - 3:10 pm
SEA
-
SDF
6h 40m
1 stop
Southwest Logo
4:40 pm - 12:10 am
SDF
-
SEA
10h 30m
2 stops
$362Southwest
Wed, Apr 1 - Wed, Apr 8
Southwest Logo
8:25 pm - 9:55 am
SEA
-
SDF
10h 30m
2 stops
Southwest Logo
4:40 pm - 12:10 am
SDF
-
SEA
10h 30m
2 stops
$367Southwest
Wed, Apr 1 - Wed, Apr 8
American Airlines Logo
1:54 pm - 11:58 pm
SEA
-
SDF
7h 04m
1 stop
American Airlines Logo
6:12 pm - 12:24 am
SDF
-
SEA
9h 12m
1 stop
$368American Airlines
Wed, Apr 1 - Mon, Apr 6
United Airlines Logo
2:39 pm - 11:59 pm
SEA
-
SDF
6h 20m
1 stop
United Airlines Logo
5:00 am - 1:16 pm
SDF
-
SEA
11h 16m
2 stops
$372United Airlines
Mon, Apr 20 - Wed, Apr 29
Southwest Logo
6:00 am - 3:05 pm
SEA
-
SDF
6h 05m
1 stop
Southwest Logo
5:25 pm - 12:55 am
SDF
-
SEA
10h 30m
2 stops
$373Southwest
Tue, May 5 - Thu, May 7

Southwest flights from Seattle to Louisville

Our best Southwest deals on Seattle to Louisville flight tickets
Southwest
Apr 1
SEA5:30 amSeattle/Tacoma Intl
6h 40m
1 stop
SDF3:10 pmLouisville Intl
Apr 8
SDF4:40 pmLouisville Intl
10h 30m
2 stops
SEA12:10 amSeattle/Tacoma Intl
$362
Southwest
Apr 1
SEA8:25 pmSeattle/Tacoma Intl
10h 30m
2 stops
SDF9:55 amLouisville Intl
Apr 8
SDF4:40 pmLouisville Intl
10h 30m
2 stops
SEA12:10 amSeattle/Tacoma Intl
$367
Southwest
May 5
SEA6:00 amSeattle/Tacoma Intl
6h 05m
1 stop
SDF3:05 pmLouisville Intl
May 7
SDF5:25 pmLouisville Intl
10h 30m
2 stops
SEA12:55 amSeattle/Tacoma Intl
$373

United Airlines flights from Seattle to Louisville

Our best United Airlines deals on Seattle to Louisville flight tickets
United Airlines
Apr 20
SEA2:39 pmSeattle/Tacoma Intl
6h 20m
1 stop
SDF11:59 pmLouisville Intl
Apr 29
SDF5:00 amLouisville Intl
11h 16m
2 stops
SEA1:16 pmSeattle/Tacoma Intl
$372
United Airlines
May 29
SEA5:00 amSeattle/Tacoma Intl
6h 28m
1 stop
SDF2:28 pmLouisville Intl
Jun 1
SDF7:37 pmLouisville Intl
7h 22m
1 stop
SEA11:59 pmSeattle/Tacoma Intl
$437
United Airlines
Apr 14
SEA7:12 amSeattle/Tacoma Intl
12h 18m
2 stops
SDF10:30 pmLouisville Intl
Apr 21
SDF10:00 amLouisville Intl
12h 00m
1 stop
SEA7:00 pmSeattle/Tacoma Intl
$445

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 March 8, 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

Tue 5/12

10:42 am-7:26 pm

1 stop29h 44m

Louisville Intl

Sat 5/16

9:21 am-5:42 pm

1 stop11h 21m

$301

SeattleLouisville

SEA - SDF

SEASDF

Seattle/Tacoma Intl

Tue 4/14

7:00 am-9:30 pm

1 stop11h 30m

Louisville Intl

Tue 4/21

6:00 am-2:27 pm

1 stop11h 27m

$303

SeattleLouisville

SEA - SDF

SEASDF

Seattle/Tacoma Intl

Tue 4/14

7:00 am-9:30 pm

1 stop11h 30m

Louisville Intl

Tue 4/21

6:00 am-2:27 pm

1 stop11h 27m

$323

SeattleLouisville

SEA - SDF

SEASDF

Seattle/Tacoma Intl

Wed 4/1

6:00 am-7:07 pm

1 stop10h 07m

Louisville Intl

Wed 4/8

6:00 am-2:27 pm

1 stop11h 27m

$350

SeattleLouisville

SEA - SDF

SEASDF

Seattle/Tacoma Intl

Mon 4/6

10:08 pm-9:55 am

1 stop8h 47m

Louisville Intl

Wed 4/8

6:00 am-2:27 pm

1 stop11h 27m

$351

SeattleLouisville

SEA - SDF

SEASDF

Seattle/Tacoma Intl

Wed 4/1

5:30 am-3:10 pm

1 stop6h 40m

Louisville Intl

Wed 4/8

4:40 pm-12:10 am

2 stops10h 30m

$362

SeattleLouisville

SEA - SDF

SEASDF

Seattle/Tacoma Intl

Wed 4/1

8:25 pm-9:55 am

2 stops10h 30m

Louisville Intl

Wed 4/8

4:40 pm-12:10 am

2 stops10h 30m

$367
Quickest round-trip

SeattleLouisville

SEA - SDF

SEASDF

Seattle/Tacoma Intl

Wed 4/1

1:54 pm-11:58 pm

1 stop7h 04m

Louisville Intl

Mon 4/6

6:12 pm-12:24 am

1 stop9h 12m

$368

SeattleLouisville

SEA - SDF

SEASDF

Seattle/Tacoma Intl

Mon 4/20

2:39 pm-11:59 pm

1 stop6h 20m

Louisville Intl

Wed 4/29

5:00 am-1:16 pm

2 stops11h 16m

$372

SeattleLouisville

SEA - SDF

SEASDF

Seattle/Tacoma Intl

Tue 5/5

6:00 am-3:05 pm

1 stop6h 05m

Louisville Intl

Thu 5/7

5:25 pm-12:55 am

2 stops10h 30m

$373

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 $462 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 March 2026, prices for Seattle to Louisville flights are approximately 83% 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 10m

Direct flights

None
The fastest flight from Seattle to Louisville takes 6h 10m
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 10m.

  • 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
8,269 reviews
Search Delta flights
United AirlinesPriceFrom $283Free CancellationRating
7.4
9,405 reviews
Search United Airlines flights
American AirlinesPriceFrom $294Free CancellationRating
7.1
11,397 reviews
Search American Airlines flights
SouthwestPriceFrom $300Free CancellationRating
8.0
4,315 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $456Free CancellationRating
8.0
11,994 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
Bardstown
West Baden Springs
Jeffersonville
New Albany
Shepherdsville
Corydon
Elizabeth
Brandenburg
Charlestown
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.

An easier way to manage your Louisville trip

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