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.

$114 CHEAP FLIGHTS from District of Columbia to Louisville

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Flight Deals

Cheap Flights from District of Columbia to Louisville

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

Round-trip

One-way

Last minute

Direct

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

Wed, Oct 28 - Tue, Nov 3

7:29 pm - 9:30 pmDCA Washington, D.C. Reagan-National-SDF Louisville Intl

2h 01mnonstop

1:14 pm - 6:04 pmSDF Louisville Intl-DCA Washington, D.C. Reagan-National

4h 50m1 stop Chicago O'Hare Intl

$234American Airlines

Sat, Aug 29 - Thu, Sep 3

2:44 pm - 9:25 pmDCA Washington, D.C. Reagan-National-SDF Louisville Intl

6h 41m1 stop Chicago O'Hare Intl

6:11 am - 8:00 amSDF Louisville Intl-DCA Washington, D.C. Reagan-National

1h 49mnonstop

$234American Airlines

Thu, Sep 3 - Sun, Sep 6

6:20 am - 1:27 pmDCA Washington, D.C. Reagan-National-SDF Louisville Intl

7h 07m1 stop New York LaGuardia

11:35 am - 6:59 pmSDF Louisville Intl-DCA Washington, D.C. Reagan-National

7h 24m1 stop New York LaGuardia

$237Delta

Fri, Dec 25 - Tue, Dec 29

3:55 pm - 8:51 pmDCA Washington, D.C. Reagan-National-SDF Louisville Intl

4h 56m1 stop Atlanta Hartsfield-Jackson

5:45 pm - 11:18 pmSDF Louisville Intl-DCA Washington, D.C. Reagan-National

5h 33m1 stop Atlanta Hartsfield-Jackson

$237Delta

Fri, Sep 11 - Mon, Sep 14

3:35 pm - 8:30 pmDCA Washington, D.C. Reagan-National-SDF Louisville Intl

4h 55m1 stop Chicago Midway

1:45 pm - 10:25 pmSDF Louisville Intl-DCA Washington, D.C. Reagan-National

8h 40m1 stop Houston Hobby

$237Southwest

Wed, Sep 9 - Fri, Sep 11

3:50 pm - 8:40 pmDCA Washington, D.C. Reagan-National-SDF Louisville Intl

4h 50m1 stop Nashville Intl

2:15 pm - 7:50 pmSDF Louisville Intl-DCA Washington, D.C. Reagan-National

5h 35m1 stop Chicago Midway

$237Southwest

Fri, Sep 11 - Mon, Sep 14

6:00 am - 10:19 amIAD Washington, D.C. Dulles Intl-SDF Louisville Intl

4h 19m1 stop Atlanta Hartsfield-Jackson

7:55 pm - 12:41 amSDF Louisville Intl-IAD Washington, D.C. Dulles Intl

4h 46m1 stop Atlanta Hartsfield-Jackson

$237Delta

Tue, Aug 25 - Sun, Aug 30

5:25 pm - 7:15 pmIAD Washington, D.C. Dulles Intl-SDF Louisville Intl

1h 50mnonstop

6:00 am - 7:35 amSDF Louisville Intl-IAD Washington, D.C. Dulles Intl

1h 35mnonstop

$243United Airlines

Thu, Aug 27 - Sun, Aug 30

8:35 am - 10:18 amIAD Washington, D.C. Dulles Intl-SDF Louisville Intl

1h 43mnonstop

6:00 am - 7:35 amSDF Louisville Intl-IAD Washington, D.C. Dulles Intl

1h 35mnonstop

$243United Airlines

Sun, Sep 6 - Sun, Sep 13

7:45 pm - 9:38 pmDCA Washington, D.C. Reagan-National-SDF Louisville Intl

1h 53mnonstop

5:06 am - 9:24 amSDF Louisville Intl-DCA Washington, D.C. Reagan-National

4h 18m1 stop Charlotte Douglas

$243American Airlines

Recent last minute flight deals from District of Columbia to Louisville

Mon, Aug 10 - Wed, Aug 12

5:34 pm - 11:11 pmIAD Washington, D.C. Dulles Intl-SDF Louisville Intl

5h 37m1 stop Charlotte Douglas

6:05 am - 12:48 pmSDF Louisville Intl-IAD Washington, D.C. Dulles Intl

6h 43m1 stop Charlotte Douglas

$355American Airlines

Wed, Aug 12 - Sat, Aug 15

8:35 am - 10:18 amIAD Washington, D.C. Dulles Intl-SDF Louisville Intl

1h 43mnonstop

1:56 pm - 3:34 pmSDF Louisville Intl-IAD Washington, D.C. Dulles Intl

1h 38mnonstop

$379United Airlines

Wed, Aug 12 - Sat, Aug 15

3:40 pm - 8:36 pmIAD Washington, D.C. Dulles Intl-SDF Louisville Intl

4h 56m1 stop Chicago O'Hare Intl

10:05 am - 11:47 amSDF Louisville Intl-IAD Washington, D.C. Dulles Intl

1h 42mnonstop

$389United Airlines

Wed, Aug 12 - Sat, Aug 15

8:28 am - 12:21 pmIAD Washington, D.C. Dulles Intl-SDF Louisville Intl

3h 53m1 stop Atlanta Hartsfield-Jackson

3:25 pm - 8:05 pmSDF Louisville Intl-IAD Washington, D.C. Dulles Intl

4h 40m1 stop Atlanta Hartsfield-Jackson

$399Delta

Sat, Aug 8 - Thu, Aug 13

7:45 pm - 12:09 amDCA Washington, D.C. Reagan-National-SDF Louisville Intl

4h 24m1 stop Atlanta Hartsfield-Jackson

5:59 pm - 10:58 pmSDF Louisville Intl-DCA Washington, D.C. Reagan-National

4h 59m1 stop New York LaGuardia

$399Delta

Sun, Aug 9 - Tue, Aug 11

9:10 am - 2:10 pmDCA Washington, D.C. Reagan-National-SDF Louisville Intl

5h 00m1 stop Nashville Intl

6:00 am - 12:35 pmSDF Louisville Intl-DCA Washington, D.C. Reagan-National

6h 35m1 stop Orlando

$399Southwest

Sun, Aug 9 - Tue, Aug 11

1:00 pm - 8:10 pmDCA Washington, D.C. Reagan-National-SDF Louisville Intl

7h 10m1 stop Chicago Midway

7:05 am - 3:45 pmSDF Louisville Intl-DCA Washington, D.C. Reagan-National

8h 40m2 stops Nashville Intl Chicago Midway

$404Southwest

Sat, Aug 8 - Tue, Aug 11

4:00 pm - 5:55 pmDCA Washington, D.C. Reagan-National-SDF Louisville Intl

1h 55mnonstop

6:08 am - 7:57 amSDF Louisville Intl-DCA Washington, D.C. Reagan-National

1h 49mnonstop

$409American Airlines

Sat, Aug 8 - Tue, Aug 11

5:25 pm - 7:18 pmIAD Washington, D.C. Dulles Intl-SDF Louisville Intl

1h 53mnonstop

10:05 am - 11:47 amSDF Louisville Intl-IAD Washington, D.C. Dulles Intl

1h 42mnonstop

$409United Airlines

Sat, Aug 8 - Tue, Aug 11

3:11 pm - 9:31 pmDCA Washington, D.C. Reagan-National-SDF Louisville Intl

6h 20m1 stop Charlotte Douglas

6:08 am - 7:57 amSDF Louisville Intl-DCA Washington, D.C. Reagan-National

1h 49mnonstop

$419American Airlines

Recent direct flight deals from District of Columbia to Louisville

Thu, Aug 27 - Sun, Aug 30

8:35 am - 10:18 amIAD Washington, D.C. Dulles Intl-SDF Louisville Intl

1h 43mnonstop

6:00 am - 7:35 amSDF Louisville Intl-IAD Washington, D.C. Dulles Intl

1h 35mnonstop

$243United Airlines

Tue, Aug 25 - Sun, Aug 30

5:25 pm - 7:15 pmIAD Washington, D.C. Dulles Intl-SDF Louisville Intl

1h 50mnonstop

6:00 am - 7:35 amSDF Louisville Intl-IAD Washington, D.C. Dulles Intl

1h 35mnonstop

$243United Airlines

Fri, Aug 28 - Tue, Sep 1

8:41 am - 10:40 amDCA Washington, D.C. Reagan-National-SDF Louisville Intl

1h 59mnonstop

11:10 am - 12:58 pmSDF Louisville Intl-DCA Washington, D.C. Reagan-National

1h 48mnonstop

$243American Airlines

Tue, Aug 25 - Sun, Aug 30

12:59 pm - 2:51 pmDCA Washington, D.C. Reagan-National-SDF Louisville Intl

1h 52mnonstop

7:33 am - 9:27 amSDF Louisville Intl-DCA Washington, D.C. Reagan-National

1h 54mnonstop

$243American Airlines

Wed, Nov 11 - Sun, Nov 15

12:50 pm - 2:47 pmIAD Washington, D.C. Dulles Intl-SDF Louisville Intl

1h 57mnonstop

6:00 am - 7:35 amSDF Louisville Intl-IAD Washington, D.C. Dulles Intl

1h 35mnonstop

$243United Airlines

Wed, Nov 18 - Sun, Nov 22

12:50 pm - 2:47 pmIAD Washington, D.C. Dulles Intl-SDF Louisville Intl

1h 57mnonstop

6:00 am - 7:35 amSDF Louisville Intl-IAD Washington, D.C. Dulles Intl

1h 35mnonstop

$243United Airlines

Sat, Aug 29 - Sun, Sep 27

5:25 pm - 7:15 pmIAD Washington, D.C. Dulles Intl-SDF Louisville Intl

1h 50mnonstop

6:00 am - 7:35 amSDF Louisville Intl-IAD Washington, D.C. Dulles Intl

1h 35mnonstop

$243United Airlines

Wed, Sep 23 - Tue, Sep 29

8:35 am - 10:18 amIAD Washington, D.C. Dulles Intl-SDF Louisville Intl

1h 43mnonstop

6:00 am - 7:35 amSDF Louisville Intl-IAD Washington, D.C. Dulles Intl

1h 35mnonstop

$243United Airlines

Thu, Sep 3 - Sun, Sep 6

12:50 pm - 2:37 pmIAD Washington, D.C. Dulles Intl-SDF Louisville Intl

1h 47mnonstop

10:05 am - 11:47 amSDF Louisville Intl-IAD Washington, D.C. Dulles Intl

1h 42mnonstop

$243United Airlines

Fri, Oct 30 - Wed, Nov 4

8:37 am - 10:34 amIAD Washington, D.C. Dulles Intl-SDF Louisville Intl

1h 57mnonstop

9:55 am - 11:33 amSDF Louisville Intl-IAD Washington, D.C. Dulles Intl

1h 38mnonstop

$243United Airlines

Useful Info

Low season	January
High season	July
Cheapest flight	$114

Best time to beat the crowds with an average 7% drop in price.

Most popular time to fly with an average 6% increase in price.

Flight from Reagan Washington National 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

$114 Find Cheap Flights from District of Columbia to Louisville - Compare and Save

Cheap Flights 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

Low season

High season

Cheapest flight

FAQs for booking flights from District of Columbia to 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 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