To Washington, D.C.

Cheap Flights from Louisville to Washington, D.C.

Browse current best options from Louisville. Become a member to unlock all deals and get alerts when new deals appear.

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RatePunk searches hundreds of travel sites at once for deals on flights to Washington, D.C.

Prices updated 24 days ago

486,190 searches this week

171 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated May 29, 2026.)

Today’s best flight deals from Louisville to Washington, D.C.

Explore current cheapest deals departing from Louisville to Washington, D.C.

Round trip

Sort by: Cheapest

August 10 - August 20

Cheapest

SDF - Washington, D.C.

$235

$194

Round trip

August 24 - September 17

SDF - Washington, D.C.

$224

$200

Round trip

July 15 - July 21

Best

Earliest

SDF - Washington, D.C.

$249

$200

Round trip

August 10 - August 20

SDF - Washington, D.C.

$234

$200

Round trip

August 10 - August 27

SDF - Washington, D.C.

$225

$200

Round trip

August 3 - August 20

SDF - Washington, D.C.

$220

$200

Round trip

August 17 - August 23

Best

SDF - Washington, D.C.

$262

$206

Round trip

July 15 - July 21

Earliest

SDF - Washington, D.C.

$148

$207

Round trip

July 21 - July 28

SDF - Washington, D.C.

$157

$207

Round trip

August 12 - August 18

SDF - Washington, D.C.

$156

$207

Round trip

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Route Intelligence — 486,190 Searches this Week

Insights for flights from Louisville to Washington, D.C.

A meaningful share of recent fares from Louisville to Washington, D.C. are non-stop, with 58.2% of itineraries flying direct. For the remaining itineraries, most connect at least twice, with a typical journey involving 2 stopovers. New deals for this route appear almost daily, indicating a consistent flow of options for travelers.

When is the cheapest time to fly from Louisville to Washington, D.C.? The data indicates that January is typically the most affordable month, with a median fare of $244. Following closely, December offers a median fare of $267, and August presents a median of $277. These months generally offer better value compared to other times of the year.

A typical journey from Louisville to Washington, D.C. takes approximately 3h 33m, including connections. This duration accounts for both direct flights and itineraries with stopovers, providing a realistic expectation for the total travel time. The route covers a distance of 760 kilometers, classifying it as a short-haul flight.

Right now, cheap flights from Louisville to Washington, D.C. typically range from $277–$399, with a median fare of $297. Current fares are below the typical level, suggesting a favorable time to consider booking. About 10% of recent fares on this route were classified as a good price, indicating that competitive deals are available for those who track prices.

How much is a round trip from Louisville to Washington, D.C.

Regular price: $201 - $342

Prices for flights from Louisville to Washington, D.C. are currently below the regular range.

The regular price range for flights from Louisville to Washington, D.C. is between $201 and $342. The current lowest deal is $194 with Allegiant Air, for travel from Aug 10-Aug 20.

now $194

Low $201

High $342

The cheapest time to fly from Louisville to Washington, D.C.

Flights from SDF to WAS are cheapest in January, with a median price of $244. The most expensive month to fly is March, with a median price of $509. Prices are generally lower from January to December.

January

Cheapest

Flights from $244

March

Most Expensive

Flights from $509

Jan

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Louisville to Washington, D.C.

United Airlines

Last-minute flights going from Louisville to Washington, D.C.

Fri, Jun 19

⌛ Last-Minute

SDF - Washington, D.C.

Louisville (SDF) - Washington, D.C. (DCA)

Deutsche Luft Hansa

$425

$413

One-way

Sun, Jun 21

⌛ Last-Minute

SDF - Washington, D.C.

Louisville (SDF) - Washington, D.C. (DCA)

$359

$309

One-way

Mon, Jun 22

⌛ Last-Minute

SDF - Washington, D.C.

Louisville (SDF) - Washington, D.C. (DCA)

$350

$329

One-way

Mon, Jun 22

⌛ Last-Minute

SDF - Washington, D.C.

Louisville (SDF) - Washington, D.C. (DCA)

Southwest Airlines

$397

$393

One-way

Wed, Jul 1

⌛ Last-Minute

SDF - Washington, D.C.

Louisville (SDF) - Washington, D.C. (DCA)

American Airlines

$165

$228

One-way

Wed, Jul 1

⌛ Last-Minute

SDF - Washington, D.C.

Louisville (SDF) - Washington, D.C. (IAD)

American Airlines

$283

$281

One-way

Biggest price drops on these dates for flights from Louisville to Washington, D.C.

5 nights

Sep 17 - Sep 22

$302 → $210

30%

3 nights

Sep 22 - Sep 25

$308 → $228

26%

3 nights

Oct 24 - Oct 27

$321 → $243

24%

4 nights

Oct 29 - Nov 2

$324 → $259

20%

Popular Airports to fly from Louisville to Washington, D.C.

Louisville - Washington, D.C. route insights

💸 Price insights

Recent fares are below the typical level

Recent fares from Louisville to Washington, D.C. are below the typical level at $194.

📅 Best time to fly

January is historically cheapest at $244

Historically, January is the cheapest month to fly from Louisville to Washington, D.C. at $244.

⏱️ Flight duration

Typically 3h 33m direct

Flights from Louisville to Washington, D.C. typically take 3h 33m direct.

✈️ Airlines & availability

Mixed direct and connecting flights

The route has a mixed availability of direct and connecting flights, with 58.2% being direct.

🏆 Airline highlight

United Airlines offers direct flights

United Airlines is an option for direct flights on the Louisville to Washington, D.C. route.

🎯 Booking tip

Deals appear frequently

Deals for flights on this route appear frequently, with more than one deal per day.

Louisville main airports to depart from

Louisville International (SDF)

Cheapest

Louisville International Airport (SDF) is a good option for flights from Louisville to Washington, D.C.

📍 ~10 km from city center (reachable by car)

💸 Flights from ~$194

Washington, D.C. main airports to arrive at

Washington Dulles International (IAD)

Cheapest

Washington Dulles International is a good option for flights from Louisville to Washington, D.C.

📍 ~40 km from Washington, D.C. (reachable by car)

💸 Flights from ~$194

Baltimore–Washington International (BWI)

Baltimore–Washington International is an alternative arrival airport for your trip to Washington, D.C.

📍 ~50 km from Washington, D.C. (reachable by car)

💸 Flights from ~$207

Ronald Reagan Washington National (DCA)

Ronald Reagan Washington National is a convenient arrival airport for travelers heading to Washington, D.C.

📍 ~5 km from Washington, D.C. (reachable by car)

💸 Flights from ~$207

Airports nearby Washington, D.C. used as alternative

Philadelphia International (PHL)

Consider Philadelphia International for its international reach and high-speed rail connectivity to Washington D.C.

📍 ~200 km from destination city (reachable by car, train)

💸 Flights from ~$226

Richmond International (RIC)

Richmond International is a strong domestic network alternative with easier navigation and shorter security wait times.

📍 ~170 km from destination city (reachable by car)

💸 Flights from ~$229

Harrisburg International (MDT)

Cheapest

Harrisburg International is a convenient alternative for travelers in northern D.C. suburbs or Maryland.

📍 ~180 km from destination city (reachable by car)

💸 Flights from ~$210

Norfolk International (ORF)

Norfolk International offers significant passenger volume and carrier variety to major East Coast and Midwest hubs.

📍 ~290 km from destination city (reachable by car)

💸 Flights from ~$231

Charlottesville–Albemarle (CHO)

Charlottesville–Albemarle provides reliable regional service with connections to major hubs and an efficient terminal experience.

📍 ~180 km from destination city (reachable by car)

💸 Flights from ~$271

Business & First Class Flight Deals to Washington, D.C.

45% AI deal score

$564

From SDF

Elite

Jul 22

Washington, D.C., United States

45% AI deal score

$935

$811

Save $124

From SDF

Elite

Jun 19

Washington, D.C., United States

45% AI deal score

Washington, D.C., United States

41% AI deal score

Washington, D.C., United States

33% AI deal score

$10,634

Frequently Asked Questions About Flights to Washington, D.C.

Historically, the optimal booking window for flights from Louisville to Washington, D.C. is typically 28-59 days before departure. Within this period, the average price for a flight is around $337. Booking 14-27 days out sees a slightly higher average price of $355. Prices tend to increase significantly for bookings made closer to the travel date, with flights booked 0-6 days prior averaging $526.

A flight from Louisville to Washington, D.C. is considered a good deal if it is priced at or below $277. This threshold represents the 25th percentile of prices observed across the trailing quarter. The median price for this route over the same period was $297, while prices at the 75th percentile reached $399. Therefore, securing a fare at $277 or less indicates a favorable price.

Historically, January has been the cheapest month to fly from Louisville to Washington, D.C., with a median price of $244. December also offers competitive pricing, with a median of $267. While August is listed among the cheapest months with a median of $277, it is also noted as the most expensive month, suggesting price variability. The annual median price for this route is $297.

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