$90 Cheap Flights from Louisville (SDF) to Washington (DCA)

View $90 flight on Sun, Aug 31, 2025Opens in a new window

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

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    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 $90 for one-way flights and $177 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, Oct 21 - Sat, Oct 25
SDF
Louisville
DCA
Washington
$177 Roundtrip, found 3 hours ago
$177
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Tue, Oct 21 from Louisville to Washington, returning Sat, Oct 25, priced at $177 found 3 hours ago
American Airlines
Sat, Aug 30 - Sun, Aug 31
SDF
Louisville
DCA
Washington
$178 Roundtrip, found 17 hours ago
$178
Roundtrip
found 17 hours ago
Select American Airlines flight, departing Sat, Aug 30 from Louisville to Washington, returning Sun, Aug 31, priced at $178 found 17 hours ago
American Airlines
Fri, Sep 12 - Sat, Sep 13
SDF
Louisville
DCA
Washington
$183 Roundtrip, found 3 hours ago
$183
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Fri, Sep 12 from Louisville to Washington, returning Sat, Sep 13, priced at $183 found 3 hours ago
American Airlines
Tue, Aug 19 - Thu, Aug 21
SDF
Louisville
DCA
Washington
$186 Roundtrip, found 13 hours ago
$186
Roundtrip
found 13 hours ago
Select American Airlines flight, departing Tue, Aug 19 from Louisville to Washington, returning Thu, Aug 21, priced at $186 found 13 hours ago
American Airlines
Tue, Oct 28 - Fri, Oct 31
SDF
Louisville
DCA
Washington
$187 Roundtrip, found 7 hours ago
$187
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Tue, Oct 28 from Louisville to Washington, returning Fri, Oct 31, priced at $187 found 7 hours ago
Southwest Airlines
Tue, Oct 28 - Fri, Oct 31
SDF
Louisville
DCA
Washington
$188 Roundtrip, found 7 hours ago
$188
Roundtrip
found 7 hours ago
Select Southwest Airlines flight, departing Tue, Oct 28 from Louisville to Washington, returning Fri, Oct 31, priced at $188 found 7 hours ago
American Airlines
Sat, Aug 30 - Tue, Sep 2
SDF
Louisville
DCA
Washington
$189 Roundtrip, found 1 day ago
$189
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Aug 30 from Louisville to Washington, returning Tue, Sep 2, priced at $189 found 1 day ago
Delta
Sat, Aug 30 - Sun, Aug 31
SDF
Louisville
DCA
Washington
$191 Roundtrip, found 17 hours ago
$191
Roundtrip
found 17 hours ago
Select Delta flight, departing Sat, Aug 30 from Louisville to Washington, returning Sun, Aug 31, priced at $191 found 17 hours ago
Southwest Airlines
Tue, Oct 21 - Sat, Oct 25
SDF
Louisville
DCA
Washington
$192 Roundtrip, found 3 hours ago
$192
Roundtrip
found 3 hours ago
Select Southwest Airlines flight, departing Tue, Oct 21 from Louisville to Washington, returning Sat, Oct 25, priced at $192 found 3 hours ago
United
Sat, Oct 25 - Tue, Oct 28
SDF
Louisville
DCA
Washington
$209 Roundtrip, found 1 day ago
$209
Roundtrip
found 1 day ago
Select United flight, departing Sat, Oct 25 from Louisville to Washington, returning Tue, Oct 28, priced at $209 found 1 day ago

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

August is typically the cheapest month to fly

From $137 - $453 per traveler.

Graph displaying average flight prices per month

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 $269
BWI
Baltimore Washington Intl. Thurgood Marshall
Average driving time to city center40 min
Flights from $269
Select flight to Washington Dulles Intl. IAD. Average driving time to city center is 36 minutes. Flights from $295
IAD
Washington Dulles Intl.
Average driving time to city center36 min
Flights from $295
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
$171
Distance
472 mi
Average flight time
1 hour 50 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 October. 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 2025. You can also book with separate airlines for your outbound and return journeys, from $90 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?
Cheap return fares from Louisville Intl. Airport (SDF) to Ronald Reagan Washington National Airport (DCA) start at $172. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a American Airlines flight leaving SDF on August 16 2025 and touching down at DCA. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from SDF to DCA?
The cheapest flights from SDF to DCA are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
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 SDF to DCA?
With prices as low as $98 for a one-way journey from SDF to DCA, American Airlines is currently the cheapest airline on this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from SDF on October 1 2025. Prices were last updated on July 23 2025 and have not changed since.
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.