HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Reagan-National

$94+ Cheap flights from Louisville (SDF) to Reagan-National (DCA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — DCA
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Louisville to Reagan-National with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Louisville Intl to Washington, D.C. Reagan-National are usually found in August or February, booked 82 days in advance, depart on a Friday or Wednesday and return on a Saturday

Cheap flight deals from Louisville to Reagan-National

Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) to Reagan-National (DCA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 16, 2025.

Round-trip from

$189
(American Airlines)

One-way from

$94
(Southwest)

Popular in

October

Cheapest in

August

Average price

$282

Good round-trip deal

$273 or less

Good one-way deal

$169 or less
From Louisville Intl to Washington, D.C. Reagan-National
Search Deals
One-way flight from Louisville Intl to Washington, D.C. Reagan-National
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($40 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals
Price to beat on a round-trip flight from Louisville Intl to Washington, D.C. Reagan-National.
Search Deals
Price to beat on a one-way flight from Louisville Intl to Washington, D.C. Reagan-National.
Search Deals

Find flight deals from Louisville to Reagan-National

Cheapest flights from Louisville to Reagan-National
Explore the most affordable flight options available from Louisville to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/124:57 pmSDF - DCA
Nonstop1h 46mAmerican Airlines
Mon 12/157:45 pmDCA - SDF
Nonstop1h 53mAmerican Airlines
Deal found 9/14$189
This Southwest deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/216:25 amSDF - DCA
1 stop3h 35mSouthwest
Wed 10/226:10 amDCA - SDF
1 stop8h 15mSouthwest
Deal found 9/15$192
This American Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/311:15 amSDF - DCA
Nonstop1h 44mAmerican Airlines
Tue 10/73:51 pmDCA - SDF
Nonstop1h 57mAmerican Airlines
Deal found 9/15$194
This Southwest deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/111:05 pmSDF - DCA
1 stop7h 40mSouthwest
Wed 11/121:15 pmDCA - SDF
1 stop3h 55mSouthwest
Deal found 9/16$197
This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/86:00 amSDF - DCA
1 stop6h 27mDelta
Tue 11/116:06 amDCA - SDF
1 stop3h 53mDelta
Deal found 9/14$203
This Southwest deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/146:25 amSDF - DCA
2 stops6h 25mSouthwest
Sun 10/196:10 amDCA - SDF
1 stop4h 05mSouthwest
Deal found 9/16$208
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/126:00 pmSDF - DCA
1 stop5h 07mDelta
Mon 12/157:35 pmDCA - SDF
1 stop4h 30mDelta
Deal found 9/16$209
This Southwest deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/32:50 pmSDF - DCA
2 stops7h 30mSouthwest
Tue 10/76:10 amDCA - SDF
1 stop8h 15mSouthwest
Deal found 9/15$213
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/45:56 pmSDF - DCA
1 stop5h 46mDelta
Tue 10/77:35 pmDCA - SDF
1 stop4h 26mDelta
Deal found 9/15$214

Cheapflights Fare Finder

 
Customize your flight search to find flights from Louisville to Reagan-National that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 16, 2025.
Use the filters below to find and compare flights from Louisville to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Louisville

Fly to

Reagan-National

Route

Depart

Return

Price

LouisvilleWashington, D.C.

SDF - DCA

SDFDCA

Louisville Intl

Fri 12/12

4:57 pm-6:43 pm

Nonstop1h 46m

Washington, D.C. Reagan-National

Mon 12/15

7:45 pm-9:38 pm

Nonstop1h 53m

$189

LouisvilleWashington, D.C.

SDF - DCA

SDFDCA

Louisville Intl

Tue 11/11

1:05 pm-8:45 pm

1 stop7h 40m

Washington, D.C. Reagan-National

Wed 11/12

1:15 pm-5:10 pm

1 stop3h 55m

$197

LouisvilleWashington, D.C.

SDF - DCA

SDFDCA

Louisville Intl

Wed 10/29

6:25 am-10:00 am

1 stop3h 35m

Washington, D.C. Reagan-National

Sun 11/9

6:00 am-10:45 am

1 stop4h 45m

$198

LouisvilleWashington, D.C.

SDF - DCA

SDFDCA

Louisville Intl

Tue 10/21

6:25 am-10:00 am

1 stop3h 35m

Washington, D.C. Reagan-National

Sat 10/25

8:25 am-3:05 pm

1 stop6h 40m

$198

LouisvilleWashington, D.C.

SDF - DCA

SDFDCA

Louisville Intl

Tue 10/14

1:00 pm-10:55 pm

2 stops9h 55m

Washington, D.C. Reagan-National

Sat 10/18

8:25 am-3:05 pm

1 stop6h 40m

$208

LouisvilleWashington, D.C.

SDF - DCA

SDFDCA

Louisville Intl

Fri 10/3

2:50 pm-8:55 pm

1 stop6h 05m

Washington, D.C. Reagan-National

Tue 10/7

6:10 am-2:25 pm

1 stop8h 15m

$208

LouisvilleWashington, D.C.

SDF - DCA

SDFDCA

Louisville Intl

Tue 10/14

6:25 am-12:50 pm

2 stops6h 25m

Washington, D.C. Reagan-National

Sun 10/19

6:10 am-10:15 am

1 stop4h 05m

$208

LouisvilleWashington, D.C.

SDF - DCA

SDFDCA

Louisville Intl

Fri 12/12

12:25 pm-6:40 pm

1 stop6h 15m

Washington, D.C. Reagan-National

Mon 12/15

1:15 pm-5:10 pm

1 stop3h 55m

$209

LouisvilleWashington, D.C.

SDF - DCA

SDFDCA

Louisville Intl

Sat 11/1

6:50 am-1:45 pm

1 stop6h 55m

Washington, D.C. Reagan-National

Sun 11/2

11:40 am-4:50 pm

1 stop5h 10m

$209

LouisvilleWashington, D.C.

SDF - DCA

SDFDCA

Louisville Intl

Thu 10/30

6:15 am-12:25 pm

1 stop6h 10m

Washington, D.C. Reagan-National

Fri 10/31

6:00 am-12:30 pm

1 stop6h 30m

$209

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 20 results
1
2

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

Have a flexible travel schedule? Discover the best time to fly to Reagan-National from Louisville with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

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

Use this chart to determine the optimal time to book a round-trip flight from Louisville to Reagan-National. Price data was last updated on September 12, 2025.

The price you pay for your flight from Louisville to Washington, D.C. Reagan-National Airport may vary depending on when you book. For the best chance of a lower fare, look to book 81 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 Louisville to Washington, D.C. Reagan-National Airport?

Currently, February is the cheapest month in which you can book a flight from Louisville to Washington, D.C. Reagan-National Airport (average of $278). Flying from Louisville to Washington, D.C. Reagan-National Airport in March is currently the most expensive (average of $335). 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 SDF to DCA?

Find hourly flight availability from Louisville to Reagan-National. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 16, 2025.

One of the essential ways to save on airfare from Louisville to Washington, D.C. Reagan-National Airport is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at noon could potentially save you up to 19% on airfare.

Reviews of airlines servicing Reagan-National

Get insights into the airlines that provide service to Reagan-National. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Reagan-National. Reviews last updated September 16, 2025.
See what other customers who have flown with Delta and American Airlines from Louisville to Washington, D.C. Reagan-National Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,957 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,957 reviews
Delta
8.0
Very good
7,957 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,957 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Louisville to Reagan-National. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Louisville Intl (SDF) is the airport you will fly out of if you book a flight from Louisville to Washington, D.C. Reagan-National. You should not have trouble finding flights to Washington, D.C. Reagan-National from Louisville Intl; the airport handles an average of 3 outbound flights to Washington, D.C. Reagan-National per day. You should also have plenty of airline options to choose from since 2 airlines have flights from the Louisville airport to Washington, D.C. Reagan-National. It is only a 5.3 mi journey to Louisville Intl (SDF) from Louisville’s city center.

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

    There are many flights that can get you from Louisville to Washington, D.C. Reagan-National Airport in 1h 46m. Fly via American Airlines or Southwest to get the fastest option. Louisville and Washington, D.C. Reagan-National Airport are separated by a distance of 472 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Louisville to Washington, D.C. Reagan-National Airport round-trip?

    Currently priced at $188, American Airlines will fly you from Louisville to Washington, D.C. Reagan-National Airport and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Delta for as low as $208. American Airlines is priced at 34% lower than the current average price of a flight leaving 3 months from now.

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

    Before booking your flight to Washington, D.C. Reagan-National Airport from Louisville, check out the most reliable airlines to get you to your destination on time: Republic Airways (95%), Alaska Airlines (83%), American Airlines( 70%).

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

    On average you can expect to pay $524 for a flight from Louisville to Washington, D.C. Reagan-National Airport. The cheapest flight overall is $149 while the most popular route, (Louisville Intl - Washington, D.C. Reagan-National) is currently priced at $192.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Louisville to Reagan-National 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 Louisville to Washington, D.C. Reagan-National Airport?

    Currently, February is the cheapest month in which you can book a flight from Louisville to Washington, D.C. Reagan-National Airport (average of $278). Flying from Louisville to Washington, D.C. Reagan-National Airport in March is currently the most expensive (average of $335). 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 Washington, D.C. Reagan-National Airport?

Book flights to Washington, D.C. Reagan-National Airport if you plan to visit one of these locations
Woodbridge
Arlington
Alexandria
Tysons
Silver Spring
Springfield
Gaithersburg
Fredericksburg
Linthicum Heights
Fairfax
Falls Church
Owings Mills
Manassas
Rockville
Hanover
Oxon Hill
Laurel
Towson
National Harbor
Dundalk

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Louisville to Reagan-National

See prices for flight routes from nearby airports that may be better suited for you.
Nashville to Reagan-National flights
Nashville to Dulles Intl flights
Cincinnati to Reagan-National flights
Cincinnati to Dulles Intl flights
Cincinnati to Baltimore flights
Nashville to Baltimore flights
Knoxville to Dulles Intl flights
Knoxville to Reagan-National flights
Louisville to Baltimore flights
Louisville to Dulles Intl flights
Knoxville to Baltimore flights
Lexington to Dulles Intl flights
Lexington to Baltimore flights
Lexington to Reagan-National flights
Blountville to Dulles Intl flights
Blountville to Reagan-National flights
Blountville to Baltimore flights
Evansville to Baltimore flights
Evansville to Dulles Intl flights
Evansville to Reagan-National flights
Owensboro to Reagan-National flights

Top 2 airlines flying from Louisville to Reagan-National

Discover the top 2 airlines that operate flights from Louisville to Reagan-National. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$188Average$297FlexibilityNo cancel feeOn-time71%
DeltaCheapest$208Average$453FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.