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$131+ Cheap flights from Washington to Louisville (SDF)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/11. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SDF
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
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Find flight deals from Washington to Louisville

Cheapest flights from Washington to Louisville
Explore the most affordable flight options available from Washington to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 3, 2025.

This Delta deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/41:47 pmSEA - SDF
1 stop6h 21mDelta
Mon 12/86:16 pmSDF - SEA
1 stop8h 42mDelta
Deal found 11/2$267
This United Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/45:00 amSEA - SDF
1 stop6h 30mUnited Airlines
Wed 12/103:33 pmSDF - SEA
2 stops10h 42mUnited Airlines
Deal found 11/3$272
This Delta deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2411:55 pmSEA - SDF
1 stop9h 02mDelta
Wed 12/36:35 amSDF - SEA
1 stop7h 19mDelta
Deal found 11/1$293
This Delta deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/27:30 pmPDX - SDF
2 stops11h 34mDelta
Tue 12/96:00 amSDF - PDX
2 stops12h 33mDelta
Deal found 11/2$326
This Delta deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/27:36 pmGEG - SDF
2 stops11h 28mDelta
Tue 12/96:35 amSDF - GEG
2 stops11h 20mDelta
Deal found 11/1$326
This American Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/812:00 pmPDX - SDF
1 stop7h 17mAmerican Airlines
Tue 12/97:12 amSDF - PDX
1 stop8h 47mAmerican Airlines
Deal found 11/2$328
This American Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2912:14 amSEA - SDF
1 stop10h 16mAmerican Airlines
Mon 1/56:19 pmSDF - SEA
1 stop7h 49mAmerican Airlines
Deal found 11/1$335
This Delta deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/811:35 amPDX - SDF
2 stops9h 24mDelta
Tue 12/912:37 pmSDF - PDX
1 stop8h 06mDelta
Deal found 11/3$343
This Southwest deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/25:30 amPDX - SDF
1 stop9h 40mSouthwest
Tue 12/95:50 pmSDF - PDX
1 stop7h 40mSouthwest
Deal found 11/2$344
This Delta deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1011:40 amSEA - SDF
1 stop6h 51mDelta
Sun 12/146:35 amSDF - SEA
1 stop9h 23mDelta
Deal found 11/3$352
This Southwest deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/49:35 amSEA - SDF
2 stops10h 15mSouthwest
Wed 12/101:50 pmSDF - SEA
2 stops12h 05mSouthwest
Deal found 11/3$357
This United Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/48:10 amSEA - SDF
2 stops11h 19mUnited Airlines
Mon 12/85:57 pmSDF - SEA
1 stop7h 31mUnited Airlines
Deal found 11/2$362

Cheap flight deals from Washington to Louisville

Keep the following information in mind while searching for Washington to Louisville flight deals. Data was last updated November 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$267
(Delta)

One-way from

$132
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$487
Provider with most accurate pricing for Seattle/Tacoma Intl-Louisville Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Louisville Intl flights.
Search Deals
From Washington to Louisville Intl
Search Deals
One-way flight from Washington to Louisville Intl
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($25 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington 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, Cheapflights users made 2,558,603 searches. Data last updated November 3, 2025.
Use the filters below to find and compare flights from Washington to Louisville that are best for you.

Fly from

Washington

Fly to

Louisville

Route

Depart

Return

Price

SeattleLouisville

SEA - SDF

SEASDF

Seattle/Tacoma Intl

Wed 12/3

12:38 am-12:30 pm

1 stop8h 52m

Louisville Intl

Mon 12/8

4:27 pm-11:38 pm

1 stop10h 11m

$267

SeattleLouisville

SEA - SDF

SEASDF

Seattle/Tacoma Intl

Mon 11/24

11:55 pm-11:57 am

1 stop9h 02m

Louisville Intl

Wed 12/3

6:35 am-10:54 am

1 stop7h 19m

$293

PortlandLouisville

PDX - SDF

PDXSDF

Portland

Tue 12/2

7:30 pm-10:04 am

2 stops11h 34m

Louisville Intl

Tue 12/9

6:00 am-3:33 pm

2 stops12h 33m

$326

SpokaneLouisville

GEG - SDF

GEGSDF

Spokane

Tue 12/2

7:36 pm-10:04 am

2 stops11h 28m

Louisville Intl

Tue 12/9

6:35 am-2:55 pm

2 stops11h 20m

$326

SpokaneLouisville

GEG - SDF

GEGSDF

Spokane

Thu 12/4

7:36 pm-11:57 am

2 stops13h 21m

Louisville Intl

Wed 12/10

6:35 am-2:55 pm

2 stops11h 20m

$326

PortlandLouisville

PDX - SDF

PDXSDF

Portland

Tue 12/2

5:30 am-6:10 pm

1 stop9h 40m

Louisville Intl

Tue 12/9

5:50 pm-10:30 pm

1 stop7h 40m

$344

SeattleLouisville

SEA - SDF

SEASDF

Seattle/Tacoma Intl

Wed 12/10

11:15 pm-10:04 am

1 stop7h 49m

Louisville Intl

Sun 12/14

6:35 am-10:54 am

1 stop7h 19m

$352

SeattleLouisville

SEA - SDF

SEASDF

Seattle/Tacoma Intl

Thu 12/11

11:59 pm-11:57 am

1 stop8h 58m

Louisville Intl

Sun 12/14

6:35 am-12:58 pm

1 stop9h 23m

$352

SpokaneLouisville

GEG - SDF

GEGSDF

Spokane

Tue 3/3

12:40 pm-11:56 pm

1 stop8h 16m

Louisville Intl

Wed 3/4

6:36 am-1:14 pm

1 stop9h 38m

$359

SeattleLouisville

SEA - SDF

SEASDF

Seattle/Tacoma Intl

Thu 12/4

8:10 am-10:29 pm

2 stops11h 19m

Louisville Intl

Mon 12/8

5:57 pm-10:28 pm

1 stop7h 31m

$362

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/31

Showing 1-10 of 55 results
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Best time to book a flight from Washington to Louisville

Have a flexible travel schedule? Discover the best time to fly to Louisville from Washington with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington to Louisville

What is the cheapest month to book a flight from State of Washington to Louisville?

Currently, February is the cheapest month in which you can book a flight from State of Washington to Louisville (average of $118). Flying from State of Washington to Louisville in July is currently the most expensive (average of $288). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from WA to SDF?

Find hourly flight availability from Washington to Louisville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 3, 2025.

When flying from State of Washington to Louisville, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 48% versus a flight in the morning.

Related info for your journey

Find useful and relevant information for your journey from Washington to Louisville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Louisville from Washington?

    If you book a flight to Louisville from Washington, you will be flying to Louisville Intl, which is the city’s only airport. Louisville Intl (SDF) is located 5.3 mi from the center of Louisville.

  • How long is the flight from State of Washington to Louisville?

    Departing from State of Washington to Louisville will take you 8h 52m. State of Washington and Louisville are separated by a distance of 1939 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from State of Washington to Louisville one-way?

    One-way options have recently been found by users for as low as $134 on American Airlines. Other airlines that offer cheap prices include Delta from $134 and United Airlines from $161 one-way.

  • What are the most popular routes from State of Washington to Louisville?

    When deciding which route to take from State of Washington to Louisville consider Seattle/Tacoma Intl - Louisville Intl, Portland - Louisville Intl or Spokane - Louisville Intl as they are the most popular.

  • Can I find deals for flights from Washington to Louisville that include hotel bookings?

    Yes. In addition to deals on Washington to Louisville flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington to Louisville?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington to Louisville.

  • Can I find deals for business class flights from Washington to Louisville?

    Yes. Cheapflights offers flight deals from Washington to Louisville by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from State of Washington to Louisville?

    Currently, February is the cheapest month in which you can book a flight from State of Washington to Louisville (average of $118). Flying from State of Washington to Louisville in July is currently the most expensive (average of $288). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Louisville?

Book flights to Louisville if you plan to visit one of these locations
Shepherdsville
Jeffersonville
Elizabethtown
Corydon
Bardstown

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Top 5 airlines flying from Washington to Louisville

Discover the top 5 airlines that operate flights from Washington to Louisville. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$244Average$473FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$288Average$470FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$300Average$539FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$303Average$447FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$456Average$628FlexibilityNo cancel feeOn-time75%

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