How does KAYAK find such low prices on flights from Washington to Louisville?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington to Louisville. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington to Louisville?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Louisville from Washington is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Washington to Louisville?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Louisville with an airline and back to Washington with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington to Louisville?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Louisville from Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$132 CHEAP FLIGHTS from Washington to Louisville

SDF

KAYAK searches hundreds of travel sites at once for deals on flights to Louisville

...and more

Travelers love KAYAK

41,299,237 searches in the past 7 days on KAYAK

Save 24% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Cheapest round-trip

$299

Overall average: $411

United Airlines

Wed 1/7Wed 1/14

SEA - SDF • 1 stop

Cheapest one-way

$132

Typical prices: $334-$503

Multiple Airlines

Mon 1/12

PDX - SDF • 3 stops

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Louisville!

Flight Deals

Cheap Flights from Washington to Louisville

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Washington to Louisville that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Washington to Louisville

Wed, Jan 7 - Wed, Jan 14

8:10 am - 7:43 pm

SEA

SDF

8h 33m1 stop

2:10 pm - 8:57 pm

SDF

SEA

9h 47m1 stop

$299United Airlines

Wed, Jan 14 - Sun, Jan 18

8:04 am - 11:19 pm

SEA

SDF

12h 15m1 stop

3:33 pm - 8:45 pm

SDF

SEA

8h 12m1 stop

$300American Airlines

Wed, Jan 7 - Wed, Jan 14

7:00 am - 5:37 pm

SEA

SDF

7h 37m1 stop

9:50 am - 6:26 pm

SDF

SEA

11h 36m2 stops

$304United Airlines

Sun, Jan 18 - Tue, Jan 27

11:59 pm - 10:13 am

PDX

SDF

7h 14m1 stop

1:32 pm - 8:27 pm

SDF

PDX

9h 55m1 stop

$315American Airlines

Thu, Jan 1 - Wed, Jan 7

1:53 pm - 12:16 am

SEA

SDF

7h 23m1 stop

6:00 am - 11:45 am

SDF

SEA

8h 45m1 stop

$317American Airlines

Wed, Jan 14 - Wed, Jan 21

11:20 am - 11:20 pm

SEA

SDF

9h 00m2 stops

6:00 am - 10:45 am

SDF

SEA

7h 45m1 stop

$320Southwest

Sat, Jan 17 - Mon, Jan 19

7:10 am - 4:45 pm

PDX

SDF

6h 35m1 stop

6:25 am - 10:45 am

SDF

PDX

7h 20m1 stop

$326Southwest

Sun, Jan 18 - Thu, Jan 22

2:00 pm - 11:06 pm

GEG

SDF

6h 06m1 stop

6:23 am - 3:00 pm

SDF

GEG

11h 37m2 stops

$352Delta

Sat, Jan 24 - Wed, Jan 28

5:00 am - 8:47 pm

ALW

SDF

12h 47m2 stops

2:13 pm - 12:13 am

SDF

ALW

13h 00m2 stops

$587Alaska Airlines

Fri, Mar 6 - Sun, Mar 8

8:25 am - 9:23 pm

PSC

SDF

9h 58m2 stops

12:06 pm - 8:55 pm

SDF

PSC

11h 49m2 stops

$732Alaska Airlines

Useful Info

Low season	January
High season	May
Cheapest flight	$132

Best time to beat the crowds with an average 8% drop in price.

Most popular time to fly and prices are also 4% lower on average.

Flight from Portland to Louisville

How does KAYAK find such low prices on flights from Washington to Louisville?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington to Louisville.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington to Louisville?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Louisville from Washington is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Washington to Louisville?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Louisville with an airline and back to Washington with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington to Louisville?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Louisville from Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

French Lick

Jeffersonville

West Baden Springs

Elizabeth

Charlestown

Brandenburg

Georgetown

Everything you need to know for your flight to Louisville

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in Louisville

Louisville (SDF)

SDF

$132 Find Cheap Flights from Washington to Louisville

KAYAK searches hundreds of travel sites at once for deals on flights to Louisville

Everything you should know

Cheap Flights from Washington to Louisville

Recent round-trip flight deals from Washington to Louisville

Recent one-way flight deals from Washington to Louisville

Recent last minute flight deals from Washington to Louisville

Good to know

FAQs for booking flights from Washington to Louisville

How does KAYAK find such low prices on flights from Washington to Louisville?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington to Louisville.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington to Louisville?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Louisville from Washington is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Washington to Louisville?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Louisville with an airline and back to Washington with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington to Louisville?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Louisville from Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near Louisville?

Everything you need to know for your flight to Louisville

Information on the airport you'll fly into in Louisville

Cabin class types available on flights to Washington

Complete your trip to Louisville with a hotel stay or car rental

Find direct flights for Louisville

Flights to other popular destinations

Flights from domestic origins to Louisville

Choose which airport to fly into in Louisville

Find deals for your return flight