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Cheap flights from Seattle to Louisville from $184

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 12/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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 pmSEA-SDF
12h 15m1 stop
American Airlines Logo
11:14 am - 7:04 pmSDF-SEA
10h 50m1 stop
$278American Airlines
Find Deal
Tue, Jan 20 - Tue, Jan 27
Delta Logo
11:10 pm - 10:01 amSEA-SDF
7h 51m1 stop
Delta Logo
5:35 am - 12:20 pmSDF-SEA
9h 45m1 stop
$280Delta
Find Deal
Sat, Jan 17 - Wed, Jan 21
Southwest Logo
9:30 am - 11:20 pmSEA-SDF
10h 50m2 stops
Southwest Logo
5:35 am - 10:15 amSDF-SEA
7h 40m1 stop
$285Southwest
Find Deal
Wed, Feb 18 - Sat, Feb 21
Southwest Logo
9:30 am - 11:20 pmSEA-SDF
10h 50m2 stops
Southwest Logo
2:30 pm - 10:30 pmSDF-SEA
11h 00m2 stops
$290Southwest
Find Deal
Wed, Feb 18 - Wed, Feb 25
American Airlines Logo
10:50 am - 8:47 pmSEA-SDF
6h 57m1 stop
American Airlines Logo
1:15 pm - 7:04 pmSDF-SEA
8h 49m1 stop
$293American Airlines
Find Deal
Wed, Feb 4 - Sat, Feb 7
Delta Logo
11:10 pm - 10:01 amSEA-SDF
7h 51m1 stop
Delta Logo
6:23 am - 10:55 amSDF-SEA
7h 32m1 stop
$294Delta
Find Deal
Sat, Jan 17 - Wed, Jan 21
United Airlines Logo
12:25 pm - 10:24 pmSEA-SDF
6h 59m1 stop
United Airlines Logo
5:35 am - 1:58 pmSDF-SEA
11h 23m2 stops
$298United Airlines
Find Deal
Wed, Jan 7 - Sat, Jan 10
Southwest Logo
10:45 am - 10:05 pmSEA-SDF
8h 20m1 stop
Southwest Logo
6:25 am - 10:50 amSDF-SEA
7h 25m1 stop
$313Southwest
Find Deal
Sat, Jan 17 - Mon, Jan 19
Southwest Logo
8:45 am - 9:10 pmSEA-SDF
9h 25m2 stops
Southwest Logo
12:50 pm - 10:30 pmSDF-SEA
12h 40m2 stops
$317Southwest
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Tue, Feb 24 - Tue, Mar 3
United Airlines Logo
5:00 am - 2:26 pmSEA-SDF
6h 26m1 stop
United Airlines Logo
2:10 pm - 10:43 pmSDF-SEA
11h 33m2 stops
$318United Airlines
Find Deal
Sat, Jan 17 - Mon, Jan 19

American Airlines flights from Seattle to Louisville

Our best American Airlines deals on Seattle to Louisville flight tickets
American Airlines
Jan 20
SEA8:04 amSeattle/Tacoma Intl
12h 15m
1 stop
SDF11:19 pmLouisville Intl
Jan 27
SDF11:14 amLouisville Intl
10h 50m
1 stop
SEA7:04 pmSeattle/Tacoma Intl
$278
Find similar
American Airlines
Feb 4
SEA10:50 amSeattle/Tacoma Intl
6h 57m
1 stop
SDF8:47 pmLouisville Intl
Feb 7
SDF1:15 pmLouisville Intl
8h 49m
1 stop
SEA7:04 pmSeattle/Tacoma Intl
$293
Find similar
American Airlines
Jan 21
SEA7:35 amSeattle/Tacoma Intl
6h 58m
1 stop
SDF5:33 pmLouisville Intl
Jan 28
SDF11:14 amLouisville Intl
10h 50m
1 stop
SEA7:04 pmSeattle/Tacoma Intl
$321
Find similar

Delta flights from Seattle to Louisville

Our best Delta deals on Seattle to Louisville flight tickets
Delta
Jan 17
SEA11:10 pmSeattle/Tacoma Intl
7h 51m
1 stop
SDF10:01 amLouisville Intl
Jan 21
SDF5:35 amLouisville Intl
9h 45m
1 stop
SEA12:20 pmSeattle/Tacoma Intl
$280
Find similar
Delta
Jan 17
SEA11:10 pmSeattle/Tacoma Intl
7h 51m
1 stop
SDF10:01 amLouisville Intl
Jan 21
SDF6:23 amLouisville Intl
7h 32m
1 stop
SEA10:55 amSeattle/Tacoma Intl
$294
Find similar
Delta
Jan 17
SEA11:10 pmSeattle/Tacoma Intl
7h 51m
1 stop
SDF10:01 amLouisville Intl
Jan 21
SDF5:47 pmLouisville Intl
18h 06m
2 stops
SEA8:53 amSeattle/Tacoma Intl
$351
Find similar

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 November 26, 2025.
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

Tue 1/20

8:04 am-11:19 pm

1 stop12h 15m

Louisville Intl

Tue 1/27

11:14 am-7:04 pm

1 stop10h 50m

$278

SeattleLouisville

SEA - SDF

SEASDF

Seattle/Tacoma Intl

Sat 1/17

11:10 pm-10:01 am

1 stop7h 51m

Louisville Intl

Wed 1/21

5:35 am-12:20 pm

1 stop9h 45m

$280

SeattleLouisville

SEA - SDF

SEASDF

Seattle/Tacoma Intl

Wed 2/18

9:30 am-11:20 pm

2 stops10h 50m

Louisville Intl

Sat 2/21

5:35 am-10:15 am

1 stop7h 40m

$285

SeattleLouisville

SEA - SDF

SEASDF

Seattle/Tacoma Intl

Wed 2/18

9:30 am-11:20 pm

2 stops10h 50m

Louisville Intl

Wed 2/25

2:30 pm-10:30 pm

2 stops11h 00m

$290

SeattleLouisville

SEA - SDF

SEASDF

Seattle/Tacoma Intl

Wed 2/4

10:50 am-8:47 pm

1 stop6h 57m

Louisville Intl

Sat 2/7

1:15 pm-7:04 pm

1 stop8h 49m

$293

SeattleLouisville

SEA - SDF

SEASDF

Seattle/Tacoma Intl

Sat 1/17

11:10 pm-10:01 am

1 stop7h 51m

Louisville Intl

Wed 1/21

6:23 am-10:55 am

1 stop7h 32m

$294

SeattleLouisville

SEA - SDF

SEASDF

Seattle/Tacoma Intl

Wed 1/7

12:25 pm-10:24 pm

1 stop6h 59m

Louisville Intl

Sat 1/10

5:35 am-1:58 pm

2 stops11h 23m

$298

SeattleLouisville

SEA - SDF

SEASDF

Seattle/Tacoma Intl

Sat 1/17

10:45 am-10:05 pm

1 stop8h 20m

Louisville Intl

Mon 1/19

6:25 am-10:50 am

1 stop7h 25m

$313

SeattleLouisville

SEA - SDF

SEASDF

Seattle/Tacoma Intl

Tue 2/24

8:45 am-9:10 pm

2 stops9h 25m

Louisville Intl

Tue 3/3

12:50 pm-10:30 pm

2 stops12h 40m

$317

SeattleLouisville

SEA - SDF

SEASDF

Seattle/Tacoma Intl

Sat 1/17

5:00 am-2:26 pm

1 stop6h 26m

Louisville Intl

Mon 1/19

2:10 pm-10:43 pm

2 stops11h 33m

$318

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 August, then departing from Seattle during the month September is also very affordable. Most momondo users find prices during this month for around $439.

What is the cheapest day to depart on your flight to Louisville?

On average, the least expensive day to fly to Louisville from Seattle is on a Saturday. momondo users have found tickets for Saturday departures for as low as $471. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Seattle to Louisville on a Sunday will generally be more expensive and average around $644. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Louisville?

Our data shows that the cheapest Seattle to Louisville flights are usually those with departure times in the afternoon. Our users have found flights to Louisville in the afternoon for as low as $296. In the morning is when there is more demand to fly to Louisville, so prices are often more expensive at around $545 per ticket.

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 $494 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 $332 on momondo.

How have Seattle to Louisville flight prices changed over time?

As of November 2025, prices for Seattle to Louisville flights are approximately 77% 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 19m

Direct flights

None
The fastest flight from Seattle to Louisville takes 6h 19m
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 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 $244Free CancellationRating
7.9
8,003 reviews
Search Delta flights
United AirlinesPriceFrom $293Free CancellationRating
7.4
9,050 reviews
Search United Airlines flights
SouthwestPriceFrom $300Free CancellationRating
8.0
4,254 reviews
Search Southwest flights
American AirlinesPriceFrom $301Free CancellationRating
7.2
11,037 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $456Free CancellationRating
8.0
11,363 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
Elizabeth
Corydon
Charlestown
Springfield
Brandenburg
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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