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$105+ Cheap flights from Reagan-National (DCA) to Louisville (SDF)

DCA — SDF
Sep 25 — Oct 21
Fri 9/25
Fri 10/2
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. Reagan-National to Louisville Intl are usually found in January or October, booked 60 days in advance, depart on a Saturday or Wednesday and return on a Thursday

Cheap flight deals from Reagan-National to Louisville

Cheapest flights from Reagan-National to Louisville

Wed 11/46:10 am -
2 stops6h 05m
Fri 11/67:55 pm -
1 stop4h 00m
Deal found 8/23$233
Sat 9/268:39 am -
Nonstop2h 01m
Mon 9/287:27 pm -
1 stop4h 32m
Deal found 8/21$234
Tue 10/68:50 am -
Nonstop2h 08m
Tue 10/137:12 pm -
1 stop3h 47m
Deal found 8/22$235
Fri 11/276:10 am -
1 stop3h 59m
Tue 12/11:04 pm -
1 stop4h 16m
Deal found 8/24$237
Fri 10/23:25 pm -
2 stops7h 05m
Mon 10/53:35 pm -
2 stops7h 15m
Deal found 8/21$238
Wed 11/48:39 am -
Nonstop2h 08m
Sat 11/76:01 am -
Nonstop1h 43m
Deal found 8/25$239
Fri 10/307:29 pm -
Nonstop2h 01m
Sun 11/16:01 am -
Nonstop1h 43m
Deal found 8/24$243
Thu 11/56:00 am -
1 stop4h 21m
Sun 11/87:05 am -
1 stop4h 21m
Deal found 8/24$244
Fri 11/276:10 am -
1 stop3h 59m
Fri 11/275:59 pm -
1 stop5h 47m
Deal found 8/23$247
Sat 9/197:33 pm -
Nonstop1h 54m
Mon 9/217:27 pm -
1 stop4h 32m
Deal found 8/22$249
Wed 11/256:30 pm -
1 stop4h 43m
Tue 12/11:04 pm -
1 stop4h 16m
Deal found 8/24$253
Tue 9/229:40 am -
1 stop4h 27m
Sat 9/265:30 pm -
1 stop5h 32m
Deal found 8/22$254

Find flight deals from Reagan-National to Louisville

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$233
(Southwest)

One-way from

$105
(Southwest)

Popular in

March

Cheapest in

January

Average price

$349

Good round-trip deal

$289 or less

Good one-way deal

$293 or less
Provider with most accurate pricing for Washington, D.C. Reagan-National-Louisville Intl flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-Louisville Intl flights.
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From Washington, D.C. Reagan-National to Louisville Intl
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One-way flight from Washington, D.C. Reagan-National to Louisville Intl
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Highest demand for flights based on searches. 9% potential increase in price ($36 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in August 2026
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Price to beat on a round-trip flight from Washington, D.C. Reagan-National to Louisville Intl.
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Price to beat on a one-way flight from Washington, D.C. Reagan-National to Louisville Intl.
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Louisville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Louisville

DCA Washington, D.C. Reagan-National - SDF Louisville Intl

DCASDF

Washington, D.C. Reagan-National

Tue 10/6

12:20 pm-8:10 pm

2 stops7h 50m

Louisville Intl

Fri 10/9

3:30 pm-11:40 pm

1 stop8h 10m

$233

Washington, D.C.Louisville

DCA Washington, D.C. Reagan-National - SDF Louisville Intl

DCASDF

Washington, D.C. Reagan-National

Thu 11/12

6:00 am-11:56 am

1 stop5h 56m

Louisville Intl

Sun 11/15

5:59 pm-10:45 pm

1 stop4h 46m

$244

Washington, D.C.Louisville

DCA Washington, D.C. Reagan-National - SDF Louisville Intl

DCASDF

Washington, D.C. Reagan-National

Thu 11/5

6:00 am-10:21 am

1 stop4h 21m

Louisville Intl

Sun 11/8

7:05 am-11:26 am

1 stop4h 21m

$244
Quickest round-trip

Washington, D.C.Louisville

DCA Washington, D.C. Reagan-National - SDF Louisville Intl

DCASDF

Washington, D.C. Reagan-National

Fri 11/13

7:59 am-11:56 am

1 stop3h 57m

Louisville Intl

Sun 11/15

7:05 am-11:29 am

1 stop4h 24m

$263

Washington, D.C.Louisville

DCA Washington, D.C. Reagan-National - SDF Louisville Intl

DCASDF

Washington, D.C. Reagan-National

Wed 9/2

6:00 am-11:10 am

1 stop5h 10m

Louisville Intl

Sat 9/12

12:40 pm-8:55 pm

1 stop8h 15m

$289

Washington, D.C.Louisville

DCA Washington, D.C. Reagan-National - SDF Louisville Intl

DCASDF

Washington, D.C. Reagan-National

Mon 9/21

6:05 am-1:35 pm

1 stop7h 30m

Louisville Intl

Wed 9/23

7:05 am-3:45 pm

2 stops8h 40m

$291

Washington, D.C.Louisville

DCA Washington, D.C. Reagan-National - SDF Louisville Intl

DCASDF

Washington, D.C. Reagan-National

Sun 9/27

6:35 pm-11:50 pm

1 stop5h 15m

Louisville Intl

Wed 9/30

1:15 pm-10:05 pm

2 stops8h 50m

$291

Washington, D.C.Louisville

DCA Washington, D.C. Reagan-National - SDF Louisville Intl

DCASDF

Washington, D.C. Reagan-National

Thu 10/1

3:25 pm-10:30 pm

2 stops7h 05m

Louisville Intl

Mon 10/5

7:50 pm-11:30 pm

1 stop3h 40m

$304

Washington, D.C.Louisville

DCA Washington, D.C. Reagan-National - SDF Louisville Intl

DCASDF

Washington, D.C. Reagan-National

Wed 11/11

12:15 pm-8:30 pm

2 stops8h 15m

Louisville Intl

Sun 11/15

7:55 pm-11:55 pm

1 stop4h 00m

$308

Washington, D.C.Louisville

DCA Washington, D.C. Reagan-National - SDF Louisville Intl

DCASDF

Washington, D.C. Reagan-National

Fri 10/16

3:00 pm-9:05 pm

1 stop6h 05m

Louisville Intl

Mon 10/19

3:35 pm-11:00 pm

2 stops7h 25m

$311

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/23

Showing 1-10 of 19 resultsSorted by cheapest first
1
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Compare providers for flights from Reagan-National to Louisville

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Reagan-National to Louisville in August.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Louisville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Reagan-National Airport-Louisville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-Louisville flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Louisville flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Reagan-National Airport-Louisville flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Reagan-National to Louisville

Have a flexible travel schedule? Discover the best time to fly to Louisville from Reagan-National with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Reagan-National Airport to Louisville

How far ahead should I book a flight from Washington, D.C. Reagan-National Airport to Louisville?

The price you pay for your flight from Washington, D.C. Reagan-National Airport to Louisville may vary depending on when you book. For the best chance of a lower fare, look to book 59 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Louisville?

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Louisville (average of $249). Flying from Washington, D.C. Reagan-National Airport to Louisville in March is currently the most expensive (average of $466). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from DCA to SDF?

It’s typically best to fly out from Washington, D.C. Reagan-National Airport to Louisville in the afternoon. Doing so could potentially save you 13% on the flight price compared to flying at noon, which is usually more expensive.

What is the cheapest day to fly from Washington, D.C. Reagan-National Airport to Louisville?

Travelers seeking maximum savings on their Washington, D.C. Reagan-National Airport to Louisville flight should consider departing on Saturday mornings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Washington, D.C. Reagan-National Airport to Louisville?

Airfare is below average for this route at the moment.

Washington, D.C. Reagan-National Airport to Louisville flights typically cost between $274 and $482 in November.
The cheapest round-trip price found within the last 5 days was $233 on Southwest (Nov 4-Nov 6).

Reviews of airlines servicing Louisville

See what other customers who have flown with American Airlines from Washington, D.C. Reagan-National Airport to Louisville have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.1
Good
11,998 reviews

Entertainment

6.8

Food

6.4

Boarding

7.5

Comfort

7.2

Overall

7.1

Crew

7.9

Reviews

1 / 20
6.0
Good

Kristin,Jul 2026

DCA - PHX

We got delayed because of filling up more gas then a storm hit after that so we sat in the plane for 1.5 hours more. It was hot while we waited.
American Airlines
7.1
Good
11,998 reviews
American Airlines
7.1
Good
11,998 reviews

Entertainment

6.8

Food

6.4

Boarding

7.5

Comfort

7.2

Overall

7.1

Crew

7.9

Reviews

1 / 20
6.0
Good

Kristin,Jul 2026

DCA - PHX

We got delayed because of filling up more gas then a storm hit after that so we sat in the plane for 1.5 hours more. It was hot while we waited.

Related info for your journey

  • What airport do you fly into for flights to Louisville from Washington, D.C. Reagan-National?

    Louisville Intl (SDF) is the airport you will fly into if you book a flight from Washington, D.C. Reagan-National to Louisville. You should not have trouble finding flights to Louisville Intl from Washington, D.C. Reagan-National; the airport handles an average of 1 inbound flight from Washington, D.C. Reagan-National per day. You should also have plenty of airline options to choose from since 1 airline has flights to the Louisville airport from Washington, D.C. Reagan-National. It is only a 5.3 mi journey from Louisville Intl (SDF) to Louisville’s city center.

  • How long is the flight from Washington, D.C. Reagan-National Airport to Louisville?

    Airlines like Southwest and Delta fly from Washington, D.C. Reagan-National Airport to Louisville in about 5h 56m. The time it takes to get you to your destination can typically vary by up to 1h 54m. The distance from Washington, D.C. Reagan-National Airport to Louisville is about 472 mi. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Washington, D.C. Reagan-National Airport to Louisville round-trip?

    Cheapflights users have booked flights from Washington, D.C. Reagan-National Airport to Louisville round-trip from $204. Users have found that American Airlines is 43% cheaper than the other options available to this destination.

  • What are the most reliable airlines from Washington, D.C. Reagan-National Airport to Louisville?

    Before booking your flight to Louisville from Washington, D.C. Reagan-National Airport, check out the most reliable airlines to get you to your destination on time: PSA Airlines (68%), American Airlines (66%), Republic Airways( 61%).

  • What are the cheapest flights from Washington, D.C. Reagan-National Airport to Louisville?

    Looking for the cheapest flight from Washington, D.C. Reagan-National Airport to Louisville? While on average our users pay $380, our data indicates the cheapest price to be $207. The most popular route (Washington, D.C. Reagan-National - Louisville Intl), is priced around $209.

  • Can I find deals for flights from Reagan-National to Louisville that include hotel bookings?

    Yes. In addition to deals on Reagan-National to Louisville flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Reagan-National to Louisville?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Louisville.

  • Can I find deals for business class flights from Reagan-National to Louisville?

    Yes. Cheapflights offers flight deals from Reagan-National to Louisville by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Louisville?

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Louisville (average of $249). Flying from Washington, D.C. Reagan-National Airport to Louisville in March is currently the most expensive (average of $466). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Louisville?

Book flights to Louisville if you plan to visit one of these locations
Corydon
Shepherdsville
Elizabethtown
Jeffersonville

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Top airline flying from Reagan-National to Louisville

AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$204Average$368FlexibilityNo cancel feeOn-time71%

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