What is the cheapest airline that flies from Washington to Louisville Intl?

Delta, United Airlines, and American Airlines are the most popular carriers operating from Washington to Louisville Intl

How long does it take to fly to Louisville?

If you’re flying from a popular airport in State of Washington, such as Seattle or Spokane, and flying into Louisville, then you can expect flight times to average 4h 14m and 5h 51m, respectively.

How many flights depart from State of Washington to Louisville on average per week?

The number of flights available between State of Washington and Louisville is 1 per week as of November 2026. The most frequent departure day is Sat, with 100% of weekly flights leaving on this day.

What airlines fly to Louisville?

Delta, Alaska Airlines and American Airlines are the top three most popular airlines that fly to Louisville from State of Washington according to our data. Delta is the first choice among our users, with 33% of people opting to fly with this airline when traveling to Louisville. Keep in mind that there are 5 different airlines that fly to Louisville on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Washington to Louisville Intl Airport?

Prices for flights from Washington to Louisville Intl Airport are updated daily.

How many operators does momondo search for flights from Washington to Louisville Intl Airport?

As of November 2026, there are 5 operators available to choose from for flights from Washington to Louisville Intl Airport.

How old do you have to be to fly from Washington 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 Washington to Louisville Intl Airport.

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

The required travel and health documents for your Louisville Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Louisville Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$182 Cheap Flights from Washington to Louisville in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington to Louisville

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:05 pm - 11:49 pmSEA Seattle/Tacoma Intl-SDF Louisville Intl

6h 44m1 stop Chicago O'Hare Intl

6:15 am - 1:01 pmSDF Louisville Intl-SEA Seattle/Tacoma Intl

9h 46m1 stop Newark

$358United Airlines

Mon, Dec 7 - Tue, Dec 8

9:45 pm - 11:15 amSEA Seattle/Tacoma Intl-SDF Louisville Intl

10h 30m1 stop Charlotte Douglas

1:10 pm - 8:31 pmSDF Louisville Intl-SEA Seattle/Tacoma Intl

10h 21m1 stop Chicago O'Hare Intl

$363American Airlines

Thu, Nov 26 - Wed, Dec 2

2:15 pm - 11:59 pmSEA Seattle/Tacoma Intl-SDF Louisville Intl

6h 44m1 stop Atlanta Hartsfield-Jackson

7:30 am - 2:40 pmSDF Louisville Intl-SEA Seattle/Tacoma Intl

10h 10m1 stop Detroit Metropolitan Wayne County

$363Delta

Wed, Feb 3 - Sat, Feb 6

11:15 pm - 10:09 amSEA Seattle/Tacoma Intl-SDF Louisville Intl

7h 54m1 stop Detroit Metropolitan Wayne County

6:35 am - 12:31 pmSDF Louisville Intl-SEA Seattle/Tacoma Intl

8h 56m1 stop Minneapolis St Paul

$363Delta

Thu, Nov 26 - Tue, Dec 1

7:00 am - 4:39 pmSEA Seattle/Tacoma Intl-SDF Louisville Intl

6h 39m1 stop Chicago O'Hare Intl

9:00 am - 4:18 pmSDF Louisville Intl-SEA Seattle/Tacoma Intl

10h 18m1 stop Chicago O'Hare Intl

$363United Airlines

Wed, Dec 2 - Wed, Dec 9

10:00 am - 8:34 pmSEA Seattle/Tacoma Intl-SDF Louisville Intl

7h 34m1 stop Dallas/Fort Worth

10:46 am - 3:41 pmSDF Louisville Intl-SEA Seattle/Tacoma Intl

7h 55m1 stop Dallas/Fort Worth

$363American Airlines

Wed, Feb 3 - Fri, Feb 5

8:00 pm - 10:50 amSEA Seattle/Tacoma Intl-SDF Louisville Intl

11h 50m2 stops Sacramento Intl Chicago Midway

5:10 pm - 12:35 amSDF Louisville Intl-SEA Seattle/Tacoma Intl

10h 25m1 stop Las Vegas Harry Reid Intl

$368Southwest

Mon, Feb 15 - Sat, Feb 20

8:00 pm - 10:50 amSEA Seattle/Tacoma Intl-SDF Louisville Intl

11h 50m2 stops Sacramento Intl Chicago Midway

8:15 pm - 12:35 amSDF Louisville Intl-SEA Seattle/Tacoma Intl

7h 20m1 stop Chicago Midway

$368Southwest

Mon, Feb 15 - Fri, Feb 19

12:10 am - 10:20 amSEA Seattle/Tacoma Intl-SDF Louisville Intl

7h 10m1 stop Chicago Midway

2:35 pm - 11:10 pmSDF Louisville Intl-SEA Seattle/Tacoma Intl

11h 35m1 stop Chicago Midway

$477JetBlue

Thu, Apr 29 - Tue, May 4

8:45 am - 11:55 pmSEA Seattle/Tacoma Intl-SDF Louisville Intl

12h 10m2 stops Portland Dallas/Fort Worth

9:58 am - 8:33 pmSDF Louisville Intl-SEA Seattle/Tacoma Intl

13h 35m2 stops Chicago O'Hare Intl Portland

$638Alaska Airlines

Sat, Dec 5 - Tue, Dec 8

Cheap last minute flights

Enter your travel dates to find the best prices.

12:38 pm - 11:38 pmSEA Seattle/Tacoma Intl-SDF Louisville Intl

8h 00m1 stop Charlotte Douglas

3:30 pm - 11:10 pmSDF Louisville Intl-SEA Seattle/Tacoma Intl

10h 40m1 stop Charlotte Douglas

$604American Airlines

Tue, Nov 10 - Fri, Nov 13

10:27 am - 11:34 pmSEA Seattle/Tacoma Intl-SDF Louisville Intl

10h 07m1 stop Dallas/Fort Worth

1:14 pm - 8:20 pmSDF Louisville Intl-SEA Seattle/Tacoma Intl

10h 06m1 stop Chicago O'Hare Intl

$608American Airlines

Tue, Nov 10 - Fri, Nov 13

11:40 pm - 11:56 amSEA Seattle/Tacoma Intl-SDF Louisville Intl

9h 16m1 stop Atlanta Hartsfield-Jackson

6:42 am - 10:42 amSDF Louisville Intl-SEA Seattle/Tacoma Intl

7h 00m1 stop Minneapolis St Paul

$639Delta

Wed, Nov 11 - Sat, Nov 14

6:00 am - 5:17 pmSEA Seattle/Tacoma Intl-SDF Louisville Intl

8h 17m1 stop Detroit Metropolitan Wayne County

6:55 pm - 11:57 pmSDF Louisville Intl-SEA Seattle/Tacoma Intl

8h 02m1 stop Minneapolis St Paul

$639Delta

Thu, Nov 12 - Sun, Nov 15

10:56 pm - 9:38 amSEA Seattle/Tacoma Intl-SDF Louisville Intl

7h 42m1 stop Chicago O'Hare Intl

7:00 am - 12:19 pmSDF Louisville Intl-SEA Seattle/Tacoma Intl

8h 19m1 stop Chicago O'Hare Intl

$639United Airlines

Fri, Nov 13 - Sun, Nov 15

8:30 am - 8:52 pmSEA Seattle/Tacoma Intl-SDF Louisville Intl

9h 22m2 stops Denver Intl Chicago O'Hare Intl

7:00 am - 12:19 pmSDF Louisville Intl-SEA Seattle/Tacoma Intl

8h 19m1 stop Chicago O'Hare Intl

$644United Airlines

Fri, Nov 13 - Sun, Nov 15

12:15 am - 10:30 amSEA Seattle/Tacoma Intl-SDF Louisville Intl

7h 15m1 stop Chicago Midway

2:05 pm - 10:20 pmSDF Louisville Intl-SEA Seattle/Tacoma Intl

11h 15m2 stops Chicago Midway Las Vegas Harry Reid Intl

$692Southwest

Mon, Nov 9 - Tue, Nov 17

5:30 am - 3:05 pmSEA Seattle/Tacoma Intl-SDF Louisville Intl

6h 35m1 stop Chicago Midway

3:50 pm - 11:35 pmSDF Louisville Intl-SEA Seattle/Tacoma Intl

10h 45m2 stops Nashville Intl Chicago Midway

$692Southwest

Mon, Nov 9 - Mon, Nov 16

10:59 pm - 5:13 pmSEA Seattle/Tacoma Intl-SDF Louisville Intl

15h 14m2 stops Portland Chicago O'Hare Intl

6:27 am - 12:14 pmSDF Louisville Intl-SEA Seattle/Tacoma Intl

8h 47m1 stop Chicago O'Hare Intl

$764Alaska Airlines

Wed, Nov 11 - Sat, Nov 14

9:59 pm - 6:09 pmSEA Seattle/Tacoma Intl-SDF Louisville Intl

17h 10m2 stops Portland Dallas/Fort Worth

1:25 pm - 8:37 pmSDF Louisville Intl-SEA Seattle/Tacoma Intl

10h 12m1 stop Dallas/Fort Worth

$764Alaska Airlines

Thu, Nov 12 - Mon, Nov 16

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American Airlines flights from State of Washington to Louisville

Our best American Airlines deals on State of Washington to Louisville flight tickets

American Airlines

Jan 6

GEG6:30 amSpokane

11h 04m

2 stops

SDF8:34 pmLouisville Intl

Jan 13

SDF11:43 amLouisville Intl

9h 41m

1 stop

GEG6:24 pmSpokane

$368

American Airlines

Jan 6

GEG6:30 amSpokane

12h 05m

2 stops

SDF9:35 pmLouisville Intl

Jan 13

SDF9:04 amLouisville Intl

13h 44m

2 stops

GEG7:48 pmSpokane

$374

American Airlines

Dec 21

SEA11:59 pmSeattle/Tacoma Intl

8h 05m

1 stop

SDF11:04 amLouisville Intl

Dec 25

SDF5:45 amLouisville Intl

10h 26m

1 stop

SEA1:11 pmSeattle/Tacoma Intl

$381

Delta flights from State of Washington to Louisville

Our best Delta deals on State of Washington to Louisville flight tickets

Delta

Feb 3

SEA2:15 pmSeattle/Tacoma Intl

6h 44m

1 stop

SDF11:59 pmLouisville Intl

Feb 6

SDF7:30 amLouisville Intl

10h 10m

1 stop

SEA2:40 pmSeattle/Tacoma Intl

$363

Delta

Feb 9

GEG1:00 pmSpokane

7h 25m

1 stop

SDF11:25 pmLouisville Intl

Feb 16

SDF6:40 amLouisville Intl

8h 17m

1 stop

GEG11:57 amSpokane

$385

Delta

Feb 9

GEG11:36 amSpokane

9h 23m

2 stops

SDF11:59 pmLouisville Intl

Feb 16

SDF5:49 amLouisville Intl

9h 29m

1 stop

GEG12:18 pmSpokane

$390

momondo Fare Finder

Use the filters below to find and compare flights from Washington to Louisville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleLouisville

SEA Seattle/Tacoma Intl - SDF Louisville Intl

SEASDF

Seattle/Tacoma Intl

Mon 12/7

2:05 pm-11:49 pm

1 stop6h 44m

Louisville Intl

Tue 12/8

6:15 am-1:01 pm

1 stop9h 46m

$358

SeattleLouisville

SEA Seattle/Tacoma Intl - SDF Louisville Intl

SEASDF

Seattle/Tacoma Intl

Thu 11/26

9:45 pm-11:15 am

1 stop10h 30m

Louisville Intl

Wed 12/2

1:10 pm-8:31 pm

1 stop10h 21m

$363

SeattleLouisville

SEA Seattle/Tacoma Intl - SDF Louisville Intl

SEASDF

Seattle/Tacoma Intl

Wed 2/3

2:15 pm-11:59 pm

1 stop6h 44m

Louisville Intl

Sat 2/6

7:30 am-2:40 pm

1 stop10h 10m

$363

SeattleLouisville

SEA Seattle/Tacoma Intl - SDF Louisville Intl

SEASDF

Seattle/Tacoma Intl

Thu 11/26

11:15 pm-10:09 am

1 stop7h 54m

Louisville Intl

Tue 12/1

6:35 am-12:31 pm

1 stop8h 56m

$363

SeattleLouisville

SEA Seattle/Tacoma Intl - SDF Louisville Intl

SEASDF

Seattle/Tacoma Intl

Wed 12/2

7:00 am-4:39 pm

1 stop6h 39m

Louisville Intl

Wed 12/9

9:00 am-4:18 pm

1 stop10h 18m

$363

Quickest round-trip

SeattleLouisville

SEA Seattle/Tacoma Intl - SDF Louisville Intl

SEASDF

Seattle/Tacoma Intl

Wed 2/3

10:00 am-8:34 pm

1 stop7h 34m

Louisville Intl

Fri 2/5

10:46 am-3:41 pm

1 stop7h 55m

$363

SeattleLouisville

SEA Seattle/Tacoma Intl - SDF Louisville Intl

SEASDF

Seattle/Tacoma Intl

Mon 2/15

8:00 pm-10:50 am

2 stops11h 50m

Louisville Intl

Sat 2/20

5:10 pm-12:35 am

1 stop10h 25m

$368

SeattleLouisville

SEA Seattle/Tacoma Intl - SDF Louisville Intl

SEASDF

Seattle/Tacoma Intl

Mon 2/15

8:00 pm-10:50 am

2 stops11h 50m

Louisville Intl

Fri 2/19

8:15 pm-12:35 am

1 stop7h 20m

$368

SeattleLouisville

SEA Seattle/Tacoma Intl - SDF Louisville Intl

SEASDF

Seattle/Tacoma Intl

Thu 4/29

12:10 am-10:20 am

1 stop7h 10m

Louisville Intl

Tue 5/4

2:35 pm-11:10 pm

1 stop11h 35m

$477

SeattleLouisville

SEA Seattle/Tacoma Intl - SDF Louisville Intl

SEASDF

Seattle/Tacoma Intl

Sat 12/5

8:45 am-11:55 pm

2 stops12h 10m

Louisville Intl

Tue 12/8

9:58 am-8:33 pm

2 stops13h 35m

$638

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from State of Washington 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

Prices

Airlines

Other information

What is the cheapest month to fly to Louisville?

If you are unable to visit Louisville during the month of January, then departing from State of Washington during the month February is also very affordable. Most momondo users find prices during this month for around $441.

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

You are more likely to see cheaper flights to Louisville from State of Washington when booking weeks ahead of your departure date. In general, you can expect to find flights to Louisville for around $509 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Louisville from State of Washington for as low as $354 on momondo.

Can stopping save me money on State of Washington to Louisville flights?

You could potentially save up to 3% on your flight if you consider stops on a State of Washington to Louisville flight.

Cheap State of Washington to Louisville flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Louisville

Best Price Found	$182
Fastest flight time	6h 00m
Direct flights	None

The best one-way flight to Louisville from State of Washington in the past 72 hours is $182. The best round-trip flight deal from State of Washington to Louisville found on momondo in the last 72 hours is $358.

The fastest flight from State of Washington to Louisville takes 6h 00m

There are no direct flights from State of Washington to Louisville. There are no popular flight routes from State of Washington to Louisville.

Search flight deals

Frequently asked questions about flying from Washington to Louisville

When did momondo last update prices for flights from Washington to Louisville Intl Airport?
Prices for flights from Washington to Louisville Intl Airport are updated daily.
How many operators does momondo search for flights from Washington to Louisville Intl Airport?
As of November 2026, there are 5 operators available to choose from for flights from Washington to Louisville Intl Airport.
How old do you have to be to fly from Washington 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 Washington to Louisville Intl Airport.
What documentation or ID do you need to fly to Louisville Intl Airport?
The required travel and health documents for your Louisville Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Louisville Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from State of Washington to Louisville

Compare and see reviews for airlines that fly from State of Washington to Louisville with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $292	Free Cancellation	Rating 7.8 8,702 reviews	Search Delta flights
United Airlines	PriceFrom $334	Free Cancellation	Rating 7.3 10,474 reviews	Search United Airlines flights
American Airlines	PriceFrom $336	Free Cancellation	Rating 7.0 12,232 reviews	Search American Airlines flights
Southwest	PriceFrom $339	Free Cancellation	Rating 8.0 4,214 reviews	Search Southwest flights
Alaska Airlines	PriceFrom $526	Free Cancellation	Rating 7.9 13,155 reviews	Search Alaska Airlines flights

French Lick

Elizabethtown

Jeffersonville

West Baden Springs

Shepherdsville

New Albany

Bardstown

Elizabeth

Charlestown

Corydon

Brandenburg

Springfield

Georgetown

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Louisville from Washington.

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

Yes. momondo enables you to select and highlight flights to Louisville from Washington with this policy.

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

Once you have performed a search for Washington to Louisville flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are not ready to book a flight from Washington to Louisville now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Louisville and let you know when they change.

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Cheap flights from Washington 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 Washington 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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American Airlines flights from State of Washington to Louisville

Our best American Airlines deals on State of Washington to Louisville flight tickets

Delta flights from State of Washington to Louisville

Our best Delta deals on State of Washington to Louisville flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Washington to Louisville that are best for you.

See travel insights to Louisville from

How to get the cheapest flight ticket from State of Washington to Louisville

What is the cheapest month to fly to Louisville?

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

Can stopping save me money on State of Washington to Louisville flights?

What is the cheapest airline that flies from Washington to Louisville Intl?

What airlines fly to Louisville?

How many flights depart from State of Washington to Louisville on average per week?

How long does it take to fly to Louisville?

Cheap State of Washington to Louisville flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Washington to Louisville

Best airlines flying from State of Washington to Louisville

Compare and see reviews for airlines that fly from State of Washington to Louisville with momondo

Traveling to a place near Louisville?

Why use momondo?

An easier way to manage your Louisville trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Kentucky

Fly your favorite airline to Louisville

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Louisville

List of cabin classes available on flights landing in Louisville. Availability may vary depending on flight origin and airline.

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Popular flights according to clicks in the last 7 days on momondo

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According to popular flight searches on momondo this year

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