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>

$111 CHEAP FLIGHTS from Washington to Louisville

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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

Tue, Oct 21 - Sat, Nov 1

11:55 pm - 2:07 pmSEA-SDF

11h 12m1 stop

7:49 am - 12:43 pmSDF-SEA

7h 54m1 stop

$233American Airlines

Find Deal

Thu, Sep 11 - Sun, Sep 14

2:35 pm - 4:50 pmPDX-SDF

23h 15m1 stop

3:43 pm - 1:30 pmSDF-PDX

24h 47m1 stop

$245Spirit Airlines

Find Deal

Wed, Sep 3 - Tue, Sep 16

1:10 pm - 10:40 pmSEA-SDF

6h 30m1 stop

5:30 am - 11:15 amSDF-SEA

8h 45m1 stop

$245Southwest

Find Deal

Wed, Sep 3 - Tue, Sep 16

1:10 pm - 10:40 pmSEA-SDF

6h 30m1 stop

3:50 pm - 11:35 pmSDF-SEA

10h 45m2 stops

$250Southwest

Find Deal

Tue, Oct 21 - Sat, Nov 1

11:05 pm - 9:54 amSEA-SDF

7h 49m1 stop

6:36 am - 1:00 pmSDF-SEA

9h 24m1 stop

$258Delta

Find Deal

Wed, Sep 10 - Sat, Sep 13

9:59 am - 10:58 pmPDX-SDF

9h 59m1 stop

9:31 am - 1:03 pmSDF-PDX

6h 32m1 stop

$263United Airlines

Find Deal

Thu, Aug 14 - Sun, Aug 17

11:59 pm - 9:57 amPDX-SDF

6h 58m1 stop

8:40 am - 3:14 pmSDF-PDX

9h 34m1 stop

$279United Airlines

Find Deal

Tue, Sep 2 - Sat, Sep 20

11:55 pm - 11:58 amSEA-SDF

9h 03m1 stop

4:25 pm - 11:34 pmSDF-SEA

10h 09m1 stop

$285Delta

Find Deal

Thu, Jul 17 - Mon, Jul 21

11:57 pm - 1:06 pmSEA-SDF

10h 09m1 stop

11:52 am - 10:47 pmSDF-SEA

13h 55m1 stop

$315Sun Country Air

Find Deal

Thu, Jul 17 - Mon, Jul 21

11:55 pm - 1:06 pmPDX-SDF

10h 11m1 stop

11:52 am - 10:46 pmSDF-PDX

13h 54m1 stop

$325Sun Country Air

Find Deal

Useful Info

Low season	January
High season	September
Cheapest flight	$111

Best time to beat the crowds with an average 5% drop in price.

Most popular time to fly with an average 3% increase in price.

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.

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)

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.

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$111 Find Cheap Flights from Washington to Louisville

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

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.

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