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$134+ 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 5/11. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SDF
Mar 9 — Mar 161
Mon 3/9
Mon 3/16
1 adult, Economy
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Cheap 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 February 7, 2026.

This Southwest deal was found by Cheapflights users on 2/6. 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.
Mon 4/2011:55 pm
PDX
-
SDF
1 stop6h 55m
Southwest
Tue 5/56:40 pm
SDF
-
PDX
1 stop6h 20m
Southwest
Deal found 2/6$340
This Southwest deal was found by Cheapflights users on 2/5. 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.
Mon 3/305:20 am
PDX
-
SDF
1 stop6h 40m
Southwest
Wed 4/18:55 am
SDF
-
PDX
1 stop6h 55m
Southwest
Deal found 2/5$349
This United Airlines deal was found by Cheapflights users on 2/5. 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.
Fri 2/2012:44 pm
PSC
-
SDF
1 stop6h 53m
United Airlines
Tue 2/243:15 pm
SDF
-
PSC
1 stop8h 35m
United Airlines
Deal found 2/5$359
This American Airlines deal was found by Cheapflights users on 2/6. 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.
Tue 3/1011:46 am
PDX
-
SDF
1 stop6h 40m
American Airlines
Wed 3/117:40 am
SDF
-
PDX
1 stop8h 21m
American Airlines
Deal found 2/6$359
This Delta deal was found by Cheapflights users on 2/5. 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 4/2810:40 pm
GEG
-
SDF
1 stop8h 44m
Delta
Wed 5/137:50 pm
SDF
-
GEG
1 stop6h 08m
Delta
Deal found 2/5$359
This United Airlines deal was found by Cheapflights users on 2/4. 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.
Tue 4/285:00 am
SEA
-
SDF
1 stop6h 31m
United Airlines
Tue 5/52:00 pm
SDF
-
SEA
1 stop8h 00m
United Airlines
Deal found 2/4$359
This Delta deal was found by Cheapflights users on 2/3. 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.
Tue 2/241:53 pm
PDX
-
SDF
1 stop6h 12m
Delta
Sat 2/285:33 am
SDF
-
PDX
1 stop8h 19m
Delta
Deal found 2/3$367
This Southwest deal was found by Cheapflights users on 2/6. 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 4/286:30 am
SEA
-
SDF
2 stops11h 05m
Southwest
Tue 5/53:30 pm
SDF
-
SEA
2 stops11h 05m
Southwest
Deal found 2/6$369
This Delta deal was found by Cheapflights users on 2/5. 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 4/287:38 pm
GEG
-
SDF
2 stops11h 46m
Delta
Tue 5/124:26 pm
SDF
-
GEG
2 stops9h 31m
Delta
Deal found 2/5$370
This American Airlines deal was found by Cheapflights users on 2/7. 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.
Sun 4/1911:47 pm
PDX
-
SDF
1 stop13h 18m
American Airlines
Tue 5/56:00 am
SDF
-
PDX
1 stop9h 24m
American Airlines
Deal found 2/7$371
This United Airlines deal was found by Cheapflights users on 2/4. 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.
Wed 3/41:18 pm
PDX
-
SDF
1 stop6h 19m
United Airlines
Wed 3/117:05 am
SDF
-
PDX
1 stop7h 46m
United Airlines
Deal found 2/4$372
This Delta deal was found by Cheapflights users on 2/5. 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 4/2812:36 pm
GEG
-
SDF
1 stop8h 23m
Delta
Mon 5/187:10 am
SDF
-
GEG
1 stop7h 07m
Delta
Deal found 2/5$372

Find flight deals from Washington to Louisville

Keep the following information in mind while searching for Washington to Louisville flight deals. Data was last updated February 7, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$340
(American Airlines)

One-way from

$145
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$456
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. 7% potential increase in price ($38 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 February 7, 2026.
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

PortlandLouisville

PDX - SDF

PDXSDF

Portland

Mon 4/20

11:55 pm-9:50 am

1 stop6h 55m

Louisville Intl

Tue 5/5

6:40 pm-10:00 pm

1 stop6h 20m

$340

PortlandLouisville

PDX - SDF

PDXSDF

Portland

Mon 3/30

5:20 am-3:00 pm

1 stop6h 40m

Louisville Intl

Wed 4/1

8:55 am-12:50 pm

1 stop6h 55m

$349

PascoLouisville

PSC - SDF

PSCSDF

Pasco Tri Cities

Fri 2/20

12:44 pm-10:37 pm

1 stop6h 53m

Louisville Intl

Tue 2/24

3:15 pm-8:50 pm

1 stop8h 35m

$359

PortlandLouisville

PDX - SDF

PDXSDF

Portland

Tue 3/10

11:46 am-9:26 pm

1 stop6h 40m

Louisville Intl

Wed 3/11

7:40 am-1:01 pm

1 stop8h 21m

$359

SpokaneLouisville

GEG - SDF

GEGSDF

Spokane

Tue 4/28

10:40 pm-10:24 am

1 stop8h 44m

Louisville Intl

Wed 5/13

7:50 pm-10:58 pm

1 stop6h 08m

$359

SpokaneLouisville

GEG - SDF

GEGSDF

Spokane

Wed 5/6

1:41 pm-10:31 pm

1 stop5h 50m

Louisville Intl

Tue 5/12

3:37 pm-9:16 pm

1 stop8h 39m

$359

SpokaneLouisville

GEG - SDF

GEGSDF

Spokane

Tue 5/5

6:00 am-4:47 pm

1 stop7h 47m

Louisville Intl

Tue 5/12

8:36 am-12:23 pm

1 stop6h 47m

$359

SpokaneLouisville

GEG - SDF

GEGSDF

Spokane

Tue 5/5

1:41 pm-10:31 pm

1 stop5h 50m

Louisville Intl

Tue 5/12

9:00 am-12:39 pm

1 stop6h 39m

$359

SeattleLouisville

SEA - SDF

SEASDF

Seattle/Tacoma Intl

Tue 4/14

11:16 am-11:43 pm

1 stop9h 27m

Louisville Intl

Tue 4/21

7:37 am-1:15 pm

1 stop8h 38m

$359

SeattleLouisville

SEA - SDF

SEASDF

Seattle/Tacoma Intl

Tue 4/28

12:54 pm-10:39 pm

1 stop6h 45m

Louisville Intl

Tue 5/5

3:37 pm-9:06 pm

1 stop8h 29m

$359

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/6

Showing 1-10 of 60 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, March is the cheapest month in which you can book a flight from State of Washington to Louisville (average of $107). 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.

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 6h 53m. State of Washington and Louisville are separated by a distance of 1781 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 $126 on Delta. Other airlines that offer cheap prices include United Airlines from $149 and American Airlines from $153 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, March is the cheapest month in which you can book a flight from State of Washington to Louisville (average of $107). 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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Alternative routes for Washington to Louisville

See prices for flight routes from nearby airports that may be better suited for you.
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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 February 7, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$244Average$470FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$283Average$472FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$294Average$441FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$300Average$517FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$469Average$661FlexibilityNo cancel feeOn-time75%

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