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>

$153 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 23% 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

$329

Overall average: $456

American Airlines

Mon 2/9Wed 2/11

SEA - SDF • 1 stop

Cheapest one-way

$153

Typical prices: $216-$579

Multiple Airlines

Mon 3/9

PDX - SDF • 2 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

Mon, Feb 9 - Wed, Feb 11

8:04 am - 11:19 pm

SEA

SDF

12h 15m

1 stop

7:40 am - 3:34 pm

SDF

SEA

10h 54m

1 stop

$329American Airlines

Wed, Mar 18 - Tue, Mar 31

6:00 am - 5:15 pm

SEA

SDF

8h 15m

1 stop

5:55 pm - 10:15 pm

SDF

SEA

7h 20m

1 stop

$337Delta

Mon, Feb 9 - Tue, Feb 10

8:10 am - 7:43 pm

SEA

SDF

8h 33m

1 stop

6:00 am - 12:49 pm

SDF

SEA

9h 49m

1 stop

$344United Airlines

Tue, Mar 17 - Mon, Mar 30

6:00 am - 4:29 pm

SEA

SDF

7h 29m

1 stop

8:12 pm - 12:55 am

SDF

SEA

7h 43m

1 stop

$348American Airlines

Mon, Feb 9 - Tue, Feb 10

8:10 am - 7:43 pm

SEA

SDF

8h 33m

1 stop

2:05 pm - 9:15 pm

SDF

SEA

10h 10m

2 stops

$353United Airlines

Sat, May 16 - Tue, May 19

6:00 am - 4:55 pm

PDX

SDF

7h 55m

1 stop

8:25 am - 12:55 pm

SDF

PDX

7h 30m

1 stop

$355Southwest

Mon, Mar 2 - Mon, Mar 9

11:35 pm - 11:30 am

PDX

SDF

8h 55m

1 stop

6:00 am - 1:01 pm

SDF

PDX

10h 01m

1 stop

$357American Airlines

Sat, May 16 - Tue, May 19

11:55 pm - 12:50 pm

PDX

SDF

9h 55m

2 stops

8:25 am - 12:55 pm

SDF

PDX

7h 30m

1 stop

$360Southwest

Fri, May 8 - Tue, May 12

7:30 pm - 10:47 am

PSC

SDF

12h 17m

2 stops

11:19 am - 9:42 pm

SDF

PSC

13h 23m

2 stops

$541Alaska Airlines

Tue, Mar 3 - Wed, Mar 4

5:53 am - 9:13 pm

ALW

SDF

12h 20m

2 stops

6:00 am - 3:46 pm

SDF

ALW

12h 46m

2 stops

$580Alaska Airlines

Useful Info

Low season	January
High season	May
Cheapest flight	$153

Best time to beat the crowds but there is an average 12% increase in price.

Most popular time to fly and prices are also 2% 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

$153 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