$103 Cheap Flights from Louisville (SDF) to Washington (DCA)

View $103 flight on Sat, Feb 14, 2026Opens in a new window

Popular airlines from Louisville Intl. Airport (SDF) to Ronald Reagan Washington National Airport (DCA)

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Louisville to Washington (SDF-DCA)

Prices were available within the past 7 days and start at $103 for one-way flights and $169 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Mon, Jan 26 - Wed, Jan 28
SDF
Louisville
DCA
Washington
$169 Roundtrip, found 6 days ago
$169
Roundtrip
found 6 days ago
Select Southwest Airlines flight, departing Mon, Jan 26 from Louisville to Washington, returning Wed, Jan 28, priced at $169 found 6 days ago
American Airlines
Fri, Jan 9 - Thu, Jan 15
SDF
Louisville
DCA
Washington
$187 Roundtrip, found 6 days ago
$187
Roundtrip
found 6 days ago
Select American Airlines flight, departing Fri, Jan 9 from Louisville to Washington, returning Thu, Jan 15, priced at $187 found 6 days ago
American Airlines
Fri, Mar 6 - Sun, Mar 8
SDF
Louisville
DCA
Washington
$189 Roundtrip, just found
$189
Roundtrip
just found
Select American Airlines flight, departing Fri, Mar 6 from Louisville to Washington, returning Sun, Mar 8, priced at $189 just found
Southwest Airlines
Sat, Jan 10 - Wed, Jan 14
SDF
Louisville
DCA
Washington
$191 Roundtrip, found 6 days ago
$191
Roundtrip
found 6 days ago
Select Southwest Airlines flight, departing Sat, Jan 10 from Louisville to Washington, returning Wed, Jan 14, priced at $191 found 6 days ago
Southwest Airlines
Sat, Jan 10 - Wed, Jan 14
SDF
Louisville
DCA
Washington
$203 Roundtrip, found 6 days ago
$203
Roundtrip
found 6 days ago
Select Southwest Airlines flight, departing Sat, Jan 10 from Louisville to Washington, returning Wed, Jan 14, priced at $203 found 6 days ago
American Airlines
Fri, Mar 6 - Sun, Mar 8
SDF
Louisville
DCA
Washington
$204 Roundtrip, just found
$204
Roundtrip
just found
Select American Airlines flight, departing Fri, Mar 6 from Louisville to Washington, returning Sun, Mar 8, priced at $204 just found
Delta
Tue, Jan 13 - Fri, Jan 30
SDF
Louisville
DCA
Washington
$207 Roundtrip, found 5 days ago
$207
Roundtrip
found 5 days ago
Select Delta flight, departing Tue, Jan 13 from Louisville to Washington, returning Fri, Jan 30, priced at $207 found 5 days ago
American Airlines
Sat, Jan 10 - Wed, Jan 14
SDF
Louisville
DCA
Washington
$207 Roundtrip, found 6 days ago
$207
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sat, Jan 10 from Louisville to Washington, returning Wed, Jan 14, priced at $207 found 6 days ago
Delta
Tue, Apr 7 - Mon, Apr 13
SDF
Louisville
DCA
Washington
$209 Roundtrip, just found
$209
Roundtrip
just found
Select Delta flight, departing Tue, Apr 7 from Louisville to Washington, returning Mon, Apr 13, priced at $209 just found
United
Mon, Jan 12 - Thu, Jan 15
SDF
Louisville
DCA
Washington
$315 Roundtrip, found 6 days ago
$315
Roundtrip
found 6 days ago
Select United flight, departing Mon, Jan 12 from Louisville to Washington, returning Thu, Jan 15, priced at $315 found 6 days ago

Find the cheapest month to fly from Louisville (SDF) to Washington (DCA)

August is typically the cheapest month to fly

From $137 - $284 per traveler.

Alternative airports near Washington

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Baltimore Washington Intl. Thurgood Marshall BWI. Average driving time to city center is 40 minutes. Flights from $367
BWI
Baltimore Washington Intl. Thurgood Marshall
Average driving time to city center40 min
Flights from $367
Select flight to Washington Dulles Intl. IAD. Cheapest option available. Average driving time to city center is 36 minutes. Flights from $204
IAD
Washington Dulles Intl.
Cheapest
Average driving time to city center36 min
Flights from $204
Flights from Louisville (SDF) to Washington (DCA)
Origin airport
Louisville Intl.
Destination airport
Ronald Reagan Washington National
Airlines serving
American Airlines, Delta, Southwest Airlines, United
Roundtrip price
$169
Distance
472 mi
Average flight time
1 hour 43 mins

Louisville to Washington Flights

The cheapest times to fly from Louisville to Washington

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Louisville to Washington are during the month of January. You can find some of the cheapest flights from Louisville to Washington with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Louisville to Washington

Sunday is one of the best days to book for cheap flights from Louisville to Washington: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Louisville to Washington

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Louisville to Washington in 2026. You can also book with separate airlines for your outbound and return journeys, from $103 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Louisville to Washington flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Louisville to Washington airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Louisville Intl. Airport (SDF) to Ronald Reagan Washington National Airport (DCA) cost?
Grab a cheap one-way flight from $103 or cheap return flight from $169 from Louisville Intl. Airport (SDF) to Ronald Reagan Washington National Airport (DCA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Louisville Intl. Airport (SDF) to Ronald Reagan Washington National Airport (DCA)?
The cheapest month to fly from SDF to DCA is January, when demand is low. Off-peak season is generally when airlines offer better prices between these airports.
Which airlines fly direct from Louisville Intl. Airport (SDF) to Ronald Reagan Washington National Airport (DCA)?
Hop on a nonstop flight with American Airlines and journey straight from Louisville Intl. Airport (SDF) to Ronald Reagan Washington National Airport (DCA).
What is the cheapest airline that flies from Louisville Intl. Airport (SDF) to Ronald Reagan Washington National Airport (DCA)?
To find the cheapest airline flying from SDF to DCA, use Expedia's filter tool. Tailor your search based on your travel style, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Louisville Intl. Airport (SDF) to Ronald Reagan Washington National Airport (DCA)?
When departing from Louisville Intl. Airport (SDF), you can take your pick from an average of 3 daily direct flights to Ronald Reagan Washington National Airport (DCA).
What are the most popular departure times for flights from Louisville Intl. Airport (SDF) to Ronald Reagan Washington National Airport (DCA)?
More travelers fly between SDF and DCA at 6 AM than at any other time. Prefer a quieter experience? Travel outside of rush hours and you're likely to save on your ticket as well.
What day of the week has the most flights from SDF to DCA?
If you jet off on a Friday, you'll get the greatest range of choices for flights from Louisville Intl. Airport (SDF) to Ronald Reagan Washington National Airport (DCA).
What is the earliest flight from Louisville Intl. Airport (SDF) to Ronald Reagan Washington National Airport (DCA)?
Louisville Intl. Airport (SDF)'s earliest flight to Ronald Reagan Washington National Airport (DCA) leaves at approximately 6:06AM UTC-5. With a total flight time of 1h 43m, you'll touch down at around 7:49AM UTC-5.
How long does it take to fly from Louisville Intl. Airport (SDF) to Ronald Reagan Washington National Airport (DCA)?
The average flight duration from SDF to DCA is 1 hour and 44 minutes, covering a total distance of 470 mi.
What airline has the least delays from SDF to DCA?
Consider traveling with American Airlines if you'd like to go straight from Louisville Intl. Airport (SDF) to Ronald Reagan Washington National Airport (DCA) without any interruptions. This airline has the best track record for punctuality, with an on-time score of 86%. Want to be updated if anything changes? You can keep an eye on your flight status using the Expedia App.
What is the best time to fly from Louisville Intl. Airport (SDF) to Ronald Reagan Washington National Airport (DCA)?
To land at Ronald Reagan Washington National Airport (DCA) without delays, choose a flight that takes off from Louisville Intl. Airport (SDF) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Washington from Louisville Intl. Airport (SDF)?
Hop on a direct flight from Louisville Intl. Airport (SDF) to Washington and come in for landing at any one of these airports:

  • Ronald Reagan Washington National Airport (DCA)
  • Washington Dulles Intl. Airport (IAD)
  • Baltimore Washington Intl. Thurgood Marshall Airport (BWI)

Is it cheaper to buy a plane ticket from Louisville Intl. Airport (SDF) to Ronald Reagan Washington National Airport (DCA) last-minute?
Last-minute bookings from SDF to DCA are typically more expensive. For the best prices, start looking for flights as soon as possible. That said, if you can play around with your travel dates, it's possible to land a cheap fare just before your departure.
Is it cheaper to book a SDF to DCA flight and hotel package?
Opting for a SDF to DCA flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Choose from our impressive range of accommodations and then add activities, flights and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Louisville Intl. Airport (SDF) to Ronald Reagan Washington National Airport (DCA)?
If you booked your SDF to DCA flight in the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you want more information.

Explore a world of travel with Expedia

*Available to One Key members.