How does KAYAK find such low prices on flights from District of Columbia 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 District of Columbia 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 District of Columbia to Louisville?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Louisville from District of Columbia 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 District of Columbia 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 District of Columbia 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 District of Columbia 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 District of Columbia 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>

$79 CHEAP FLIGHTS from District of Columbia to Louisville

SDF

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

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Flights Deals

Cheap Flight Deals from District of Columbia to Louisville

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from District of Columbia 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.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from District of Columbia to Louisville

KAYAK's recommended round-trip deals from the most popular airlines that fly from District of Columbia to Louisville.

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

12:53 pm - 2:41 pmIAD-SDF

1h 48mnonstop

6:00 am - 7:35 amSDF-IAD

1h 35mnonstop

$179United Airlines

Find Deal

Thu, May 29 - Sat, May 31

10:00 pm - 11:44 pmDCA-SDF

1h 44mnonstop

6:00 am - 7:38 amSDF-DCA

1h 38mnonstop

$189American Airlines

Find Deal

Fri, May 23 - Sun, May 25

7:15 pm - 9:06 pmIAD-SDF

1h 51mnonstop

6:00 am - 7:35 amSDF-IAD

1h 35mnonstop

$189United Airlines

Find Deal

Fri, Jul 18 - Sun, Jul 20

3:37 pm - 8:36 pmIAD-SDF

4h 59m1 stop

7:09 pm - 10:54 pmSDF-IAD

3h 45m1 stop

$199Delta

Find Deal

Thu, May 29 - Fri, May 30

10:00 pm - 11:44 pmDCA-SDF

1h 44mnonstop

6:00 am - 7:38 amSDF-DCA

1h 38mnonstop

$199American Airlines

Find Deal

Fri, May 16 - Sun, May 18

6:00 am - 10:12 amDCA-SDF

4h 12m1 stop

3:24 pm - 7:45 pmSDF-DCA

4h 21m1 stop

$209Delta

Find Deal

Fri, Jun 6 - Mon, Jun 9

9:25 am - 4:35 pmDCA-SDF

7h 10m1 stop

12:05 pm - 8:55 pmSDF-DCA

8h 50m1 stop

$239Southwest

Find Deal

Fri, Oct 24 - Mon, Oct 27

8:22 pm - 10:36 amIAD-SDF

14h 14m1 stop

11:23 am - 2:23 pmSDF-IAD

27h 00m2 stops

$240

Find Deal

Thu, May 29 - Sun, Jun 1

11:55 am - 4:15 pmDCA-SDF

4h 20m1 stop

6:25 am - 4:10 pmSDF-DCA

9h 45m2 stops

$241Southwest

Find Deal

Mon, Jun 2 - Wed, Jun 4

8:22 pm - 10:36 amIAD-SDF

14h 14m1 stop

6:25 pm - 11:04 amSDF-IAD

16h 39m2 stops

$281

Find Deal

Thu, May 29 - Sat, May 31

Useful Info

Low season	January
High season	May
Cheapest flight	$79

Best time to beat the crowds with an average 3% drop in price.

Most popular time to fly and prices are also 6% lower on average.

Flight from Washington Dulles Airport to Louisville

How does KAYAK find such low prices on flights from District of Columbia 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 District of Columbia to Louisville.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from District of Columbia to Louisville?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Louisville from District of Columbia 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 District of Columbia 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 District of Columbia with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from District of Columbia 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 District of Columbia 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)

SDF

$79 Find Cheap Flights from District of Columbia to Louisville

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

Cheap Flight Deals from District of Columbia to Louisville

Recent round-trip flight deals from District of Columbia to Louisville

Recent one-way flight deals from District of Columbia to Louisville

Recent last minute flight deals from District of Columbia to Louisville

Recent direct flight deals from District of Columbia to Louisville

Good to know

FAQs for booking flights from District of Columbia to Louisville

How does KAYAK find such low prices on flights from District of Columbia 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 District of Columbia to Louisville.

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

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Louisville from District of Columbia 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 District of Columbia 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 District of Columbia with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from District of Columbia 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 District of Columbia 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 District of Columbia

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