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

Airfare is below average for this route at the moment. Louisville to Washington, D.C. flights typically cost between $216 and $339 in December. The cheapest round-trip price found within the last 3 days was $189 on American Airlines (Dec 11-Dec 15).

How long is the flight from Louisville to Washington, D.C.?

Airlines like American Airlines, United Airlines, and Delta fly from Louisville to Washington, D.C. in about 1h 41m. The time it takes to get you to your destination can typically vary by up to 3h 48m. There are 450 mi between Louisville and Washington, D.C.. This flight may include one or multiple stops.

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

American Airlines, at $188, was found to be the cheapest airline from Louisville to Washington, D.C..Alternate airlines to your destination round-trip include United Airlines and Delta. You may be able to fly from Louisville to Washington, D.C. for 29% less than the average price by searching for these airlines.

What are the cheapest airlines to fly from Louisville to Washington, D.C. one-way?

One-way options have recently been found by users for as low as $105 on Southwest. Other airlines that offer cheap prices include Delta from $114 and Allegiant Air from $193 one-way.

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

Booking 63 days in advance of your planned departure date is, on average, the best time to get cheap flights from Louisville to Washington, D.C.. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, October is the cheapest month in which you can book a flight from Louisville to Washington, D.C. (average of $108). Flying from Louisville to Washington, D.C. in December is currently the most expensive (average of $183). 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 day to fly from Louisville to Washington, D.C.?

Travelers seeking maximum savings on their Louisville to Washington, D.C. flight should consider departing on Tuesday at noon when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Louisville to Washington, D.C.

The most flights from SDF to WAS are scheduled on a Monday (9 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 on average).

In terms of precipitation, rainfall in Washington, D.C. ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C., use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

What are the most popular routes from Louisville to Washington, D.C.?

Most travelers choose Louisville Intl - Baltimore/Washington, Louisville Intl - Washington, D.C. Dulles Intl or Louisville Intl - Washington, D.C. Reagan-National when deciding on the best route from Louisville to Washington, D.C..

What are the cheapest flights from Louisville to Washington, D.C.?

Looking for the cheapest flight from Louisville to Washington, D.C.? While on average our users pay $513, our data indicates the cheapest price to be $119. The most popular route (Louisville Intl - Baltimore/Washington), is priced around $186.

What are the most reliable airlines from Louisville to Washington, D.C.?

No one likes to see their flight delayed. When booking a flight from Louisville to Washington, D.C. consider choosing Republic Airways (100%), Copa Airlines (98%) or Air Canada (95%) as they are the most reliable in getting you off to your destination on time.

What are the most popular airlines that fly from Louisville to Washington, D.C.?

The most popular airlines flying from Louisville to Washington, D.C. are American Airlines, United Airlines and Delta. Something to consider prior to booking your flight.

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

Unlike at noon, when flights are generally more expensive, you can save up to 61% on flights from Louisville to Washington, D.C. by exploring options for tickets in the afternoon.

Most accurate provider : When it comes to deals on Louisville-Washington, D.C. flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Louisville-Washington, D.C. flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Louisville-Washington, D.C. flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Louisville-Washington, D.C. flights, Cheapflights users trust eDreams the most. eDreams 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 Louisville-Washington, D.C. flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

Most people fly from Louisville Intl (SDF) if they book a flight from Louisville to Washington, D.C.. On average, Louisville Intl has 8 outbound flights to Washington, D.C. per day from 4 airlines. Louisville Intl is conveniently located just 5.3 mi from Louisville’s city center.

Can I find deals for flights from Louisville to Washington, D.C. that include hotel bookings?

Yes. In addition to deals on Louisville to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Louisville to Washington, D.C.?

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

Can I find deals for business class flights from Louisville to Washington, D.C.?

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

$83+ Flights from Louisville to Washington, D.C.

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$189 (American Airlines)
One-way from	$83 (Mytrip)
Popular in	August
Cheapest in	June
Average price	$252
Good round-trip deal	$228 or less
Good one-way deal	$158 or less

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Priceline	Price Accuracy1 star	Trust Score*3 stars

Basic Economy on United allows no carry-on bags, only a personal item under the seat.

Prepay checked bags on United at least 24 hours before to save on fees.

Airline	Cheapest	Average	Flexibility	On-time
Southwest	Cheapest$183	Average$328	FlexibilityNo cancel fee	On-time63%
American Airlines	Cheapest$186	Average$292	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$189	Average$294	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$198	Average$344	FlexibilityNo cancel fee	On-timeN/A

$83+ Cheap flights from Louisville (SDF) to Washington, D.C. (WAS)

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 1/13. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Louisville to Washington, D.C. with Cheapflights

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Cheapflights Tip: The best prices from Louisville Intl to Washington, D.C. are usually found in June or February, booked 63 days in advance, depart on a Friday or Thursday and return on a Saturday

Find flight deals from Louisville to Washington, D.C.

Cheapest flights from Louisville to Washington, D.C.Explore the most affordable flight options available from Louisville to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 3, 2025.

Explore the most affordable flight options available from Louisville to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 3, 2025.

Cheap flight deals from Louisville to Washington, D.C.

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Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

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

Compare providers for flights from Louisville to Washington, D.C.

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Louisville to Washington, D.C. in November.

Best time to book a flight from Louisville to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Louisville with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Louisville to Washington, D.C.

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

Use this chart to determine the optimal time to book a round-trip flight from Louisville to Washington, D.C.. Price data was last updated on October 31, 2025.

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

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

Find hourly flight availability from Louisville to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 3, 2025.

What is the cheapest day to fly from Louisville to Washington, D.C.?

Use this chart to determine the cheapest time to fly round-trip from Louisville to Washington, D.C.. Price data was last updated on October 26, 2025.

Weekly flight availability from Louisville to Washington, D.C.

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

The best insider tips for Louisville to Washington, D.C. flights

Cheapflights partnered with top experts to bring you the best recommendations for your Louisville to Washington, D.C. trip

Airlines

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United Airlines

Our travel experts

Reviews of airlines servicing Washington, D.C.

See what other customers who have flown with Southwest, United Airlines, and American Airlines from Louisville to Washington, D.C. have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Louisville to Washington, D.C.. 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.?

How long is the flight from Louisville to Washington, D.C.?

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

What are the cheapest airlines to fly from Louisville to Washington, D.C. one-way?

What are the most popular routes from Louisville to Washington, D.C.?

What are the most reliable airlines from Louisville to Washington, D.C.?

What are the cheapest flights from Louisville to Washington, D.C.?

Can I find deals for flights from Louisville to Washington, D.C. that include hotel bookings?

How can I find direct flights from Louisville to Washington, D.C.?

Can I find deals for business class flights from Louisville to Washington, D.C.?

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

Traveling to a place near Washington, D.C.?

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Alternative routes for Louisville to Washington, D.C.

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Cheapest flights from Louisville to Washington, D.C.
Explore the most affordable flight options available from Louisville to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 3, 2025.