How many flights depart from Louisville to Washington, D.C. on average per week?

As of May 2026, there are 90 flights per week flying from Louisville to Washington, D.C.. The most common day of the week flights depart is Mon, with 16% of flights taking off on this day.

What is the cheapest airline that flies from Louisville Intl to Washington, D.C.?

Southwest, Delta, and United Airlines are the most popular carriers operating from Louisville Intl to Washington, D.C.

How many flights depart from Louisville to Washington, D.C. on average per day?

The number of flights available between Louisville and Washington, D.C. is 12 per day as of May 2026. The most frequent departure time is 5:00AM, with 49% of daily flights leaving at noon.

What airlines fly to Washington, D.C.?

American Airlines, Delta and United Airlines are the top three most popular airlines that fly to Washington, D.C. from Louisville according to our data. American Airlines is the first choice among our users, with 37% of people opting to fly with this airline when traveling to Washington, D.C.. Keep in mind that there are 5 different airlines that fly to Washington, D.C. on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Louisville Intl Airport to Washington, D.C.?

Prices for flights from Louisville Intl Airport to Washington, D.C. refresh daily.

How many operators does momondo search for flights from Louisville Intl Airport to Washington, D.C.?

There are 4 operators available for flights from Louisville Intl Airport to Washington, D.C. as of May 2026.

How old do you have to be to fly from Louisville Intl Airport to Washington, D.C.?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Louisville Intl Airport to Washington, D.C..

What documentation or ID do you need to fly to Washington, D.C.?

The travel and health documents you'll need for your trip to Washington, D.C. may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C.. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$103 Cheap Flights from Louisville to Washington, D.C. in 2026

Q: What is the typical price of a round-trip flight between Louisville and Washington, D.C.?

Prices are currently low for flights on this route. Typical prices usually range from $377 to $219. The lowest price recently found on this route was $227.

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Find the cheapest flights from Louisville to Washington, D.C.

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:20 am - 7:55 am

SDF

BWI

1h 35mnonstop

10:50 am - 12:40 pm

BWI

SDF

1h 50mnonstop

$227Southwest

Tue, Jun 2 - Tue, Jun 2

3:45 pm - 5:25 pm

SDF

BWI

1h 40mnonstop

9:35 pm - 11:20 pm

BWI

SDF

1h 45mnonstop

$231Southwest

Wed, May 27 - Sat, May 30

6:01 am - 7:50 am

SDF

DCA

1h 49mnonstop

12:10 pm - 2:02 pm

DCA

SDF

1h 52mnonstop

$231American Airlines

Thu, May 28 - Wed, Jun 3

6:37 pm - 8:14 pm

SDF

DCA

1h 37mnonstop

7:45 pm - 9:45 pm

DCA

SDF

2h 00mnonstop

$235American Airlines

Sat, Oct 24 - Mon, Oct 26

6:00 am - 7:35 am

SDF

IAD

1h 35mnonstop

8:31 am - 10:23 am

IAD

SDF

1h 52mnonstop

$235United Airlines

Thu, May 28 - Sat, May 30

6:00 am - 7:35 am

SDF

IAD

1h 35mnonstop

8:31 am - 10:14 am

IAD

SDF

1h 43mnonstop

$238United Airlines

Fri, Sep 4 - Tue, Sep 8

9:10 pm - 8:02 pm

SDF

IAD

22h 52m

1 stop

6:20 pm - 8:22 am

IAD

SDF

14h 02m

1 stop

$244Multiple Airlines

Mon, Jun 8 - Thu, Jun 11

9:10 pm - 6:42 pm

SDF

IAD

21h 32m

1 stop

11:07 am - 8:36 am

IAD

SDF

21h 29m

2 stops

$246Multiple Airlines

Mon, Jun 1 - Fri, Jun 5

9:45 am - 2:10 pm

SDF

IAD

4h 25m

1 stop

6:00 am - 11:53 am

IAD

SDF

5h 53m

1 stop

$247Delta

Tue, Jun 2 - Tue, Jun 9

3:29 pm - 9:45 pm

SDF

DCA

6h 16m

1 stop

6:00 am - 10:25 am

DCA

SDF

4h 25m

1 stop

$251Delta

Thu, May 28 - Wed, Jun 3

United Airlines flights from Louisville to Washington, D.C.

Our best United Airlines deals on Louisville to Washington, D.C. flight tickets

United Airlines

May 28

SDF6:00 amLouisville Intl

1h 35m

IAD7:35 amWashington, D.C. Dulles Intl

May 30

IAD8:31 amWashington, D.C. Dulles Intl

1h 52m

SDF10:23 amLouisville Intl

$235

United Airlines

Sep 4

SDF6:00 amLouisville Intl

1h 35m

IAD7:35 amWashington, D.C. Dulles Intl

Sep 8

IAD8:31 amWashington, D.C. Dulles Intl

1h 43m

SDF10:14 amLouisville Intl

$238

United Airlines

Jun 20

SDF10:00 amLouisville Intl

1h 40m

IAD11:40 amWashington, D.C. Dulles Intl

Jun 23

IAD8:31 amWashington, D.C. Dulles Intl

1h 52m

SDF10:23 amLouisville Intl

$243

Delta flights from Louisville to Washington, D.C.

Our best Delta deals on Louisville to Washington, D.C. flight tickets

Delta

Jun 10

SDF11:19 amLouisville Intl

6h 00m

1 stop

BWI5:19 pmBaltimore/Washington

Jun 16

BWI10:33 amBaltimore/Washington

7h 16m

1 stop

SDF5:49 pmLouisville Intl

$237

Delta

Jun 2

SDF9:45 amLouisville Intl

4h 25m

1 stop

IAD2:10 pmWashington, D.C. Dulles Intl

Jun 9

IAD6:00 amWashington, D.C. Dulles Intl

5h 53m

1 stop

SDF11:53 amLouisville Intl

$247

Delta

May 27

SDF6:00 amLouisville Intl

5h 39m

1 stop

IAD11:39 amWashington, D.C. Dulles Intl

May 30

IAD6:08 amWashington, D.C. Dulles Intl

4h 12m

1 stop

SDF10:20 amLouisville Intl

$251

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvilleBaltimore

SDF - BWI

SDFBWI

Louisville Intl

Tue 6/2

6:20 am-7:55 am

Nonstop1h 35m

Baltimore/Washington

Tue 6/2

10:50 am-12:40 pm

Nonstop1h 50m

$227

LouisvilleBaltimore

SDF - BWI

SDFBWI

Louisville Intl

Wed 5/27

3:45 pm-5:25 pm

Nonstop1h 40m

Baltimore/Washington

Sat 5/30

9:35 pm-11:20 pm

Nonstop1h 45m

$231

LouisvilleWashington, D.C.

SDF - DCA

SDFDCA

Louisville Intl

Thu 5/28

6:01 am-7:50 am

Nonstop1h 49m

Washington, D.C. Reagan-National

Wed 6/3

12:10 pm-2:02 pm

Nonstop1h 52m

$231

LouisvilleWashington, D.C.

SDF - DCA

SDFDCA

Louisville Intl

Sat 10/24

6:37 pm-8:14 pm

Nonstop1h 37m

Washington, D.C. Reagan-National

Mon 10/26

7:45 pm-9:45 pm

Nonstop2h 00m

$235

LouisvilleWashington, D.C.

SDF - IAD

SDFIAD

Louisville Intl

Thu 5/28

6:00 am-7:35 am

Nonstop1h 35m

Washington, D.C. Dulles Intl

Sat 5/30

8:31 am-10:23 am

Nonstop1h 52m

$235

Quickest round-trip

LouisvilleWashington, D.C.

SDF - IAD

SDFIAD

Louisville Intl

Fri 9/4

6:00 am-7:35 am

Nonstop1h 35m

Washington, D.C. Dulles Intl

Tue 9/8

8:31 am-10:14 am

Nonstop1h 43m

$238

LouisvilleWashington, D.C.

SDF - IAD

SDFIAD

Louisville Intl

Mon 6/8

9:10 pm-8:02 pm

1 stop22h 52m

Washington, D.C. Dulles Intl

Thu 6/11

6:20 pm-8:22 am

1 stop14h 02m

$244

LouisvilleWashington, D.C.

SDF - IAD

SDFIAD

Louisville Intl

Mon 6/1

9:10 pm-6:42 pm

1 stop21h 32m

Washington, D.C. Dulles Intl

Fri 6/5

11:07 am-8:36 am

2 stops21h 29m

$246

LouisvilleWashington, D.C.

SDF - IAD

SDFIAD

Louisville Intl

Tue 6/2

9:45 am-2:10 pm

1 stop4h 25m

Washington, D.C. Dulles Intl

Tue 6/9

6:00 am-11:53 am

1 stop5h 53m

$247

LouisvilleWashington, D.C.

SDF - DCA

SDFDCA

Louisville Intl

Thu 5/28

3:29 pm-9:45 pm

1 stop6h 16m

Washington, D.C. Reagan-National

Wed 6/3

6:00 am-10:25 am

1 stop4h 25m

$251

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Louisville to Washington, D.C.

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the typical price of a round-trip flight between Louisville and Washington, D.C.?

What is the cheapest month to fly to Washington, D.C.?

The month of December is, on average, the cheapest month to fly to Washington, D.C. from Louisville, with most prices found around $126. If you’re not able to fly to Washington, D.C. in December, then June is your next best option. Flight prices from Louisville to Washington, D.C. during June average around $126.

What is the cheapest day to depart on your flight to Washington, D.C.?

On average, the least expensive day to fly to Washington, D.C. from Louisville is on a Friday. momondo users have found tickets for Friday departures for as low as $327. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Louisville to Washington, D.C. for around $639.

What is the cheapest time of day to depart on your flight to Washington, D.C.?

In the evening is the cheapest time of day to fly from Louisville to Washington, D.C. when you can find flight prices for as low as $305. Flying to Washington, D.C. in the evening is an ideal time because this is during off-peak travel hours. Try not to purchase tickets at noon because they tend to be around $932. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Louisville Intl to Washington, D.C. flight route?

Fly from Louisville Intl to Washington, D.C. Reagan-National for the best Louisville Intl - Washington, D.C. flight prices

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

You are more likely to see cheaper flights to Washington, D.C. from Louisville when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around $320 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. from Louisville for as low as $193 on momondo.

Can stopping save me money on Louisville to Washington, D.C. flights?

No. A direct flight is the cheapest option for a flight between Louisville to Washington, D.C..

How have Louisville to Washington, D.C. flight prices changed over time?

As of May 2026, prices for Louisville to Washington, D.C. flights are approximately 9% more expensive when compared to flights at the same time last year.

When to book flights from Louisville to Washington, D.C.

Are you open to changing your travel dates? Check out the ideal times to fly from Louisville to Washington, D.C. according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Louisville to Washington, D.C. (SDF to WAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Louisville to Washington, D.C.

Best Price Found	$193
Fastest flight time	1h 30m
Direct flights	Every day
Airports in Washington, D.C.	2 airports

The best one-way flight to Washington, D.C. from Louisville in the past 72 hours is $193. The best round-trip flight deal from Louisville to Washington, D.C. found on momondo in the last 72 hours is $279.

The fastest flight from Louisville to Washington, D.C. takes 1h 30m

Direct flights go from Louisville to Washington, D.C. every day.

There are 2 airports in Washington, D.C.. From Louisville there are direct flights to Washington, D.C. Reagan-National (DCA), Baltimore/Washington (BWI), Washington, D.C. Dulles Intl (IAD).

Search flight deals

Frequently asked questions about flying from Louisville to Washington, D.C.

How far is Louisville Intl to Washington, D.C. by plane?
Louisville Intl and Washington, D.C. are 472.6 mi apart from one another. By plane, this route typically takes 1h 30m.
When did momondo last update prices for flights from Louisville Intl Airport to Washington, D.C.?
Prices for flights from Louisville Intl Airport to Washington, D.C. refresh daily.
How many operators does momondo search for flights from Louisville Intl Airport to Washington, D.C.?
There are 4 operators available for flights from Louisville Intl Airport to Washington, D.C. as of May 2026.
How old do you have to be to fly from Louisville Intl Airport to Washington, D.C.?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Louisville Intl Airport to Washington, D.C..
What documentation or ID do you need to fly to Washington, D.C.?
The travel and health documents you'll need for your trip to Washington, D.C. may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C.. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Louisville to Washington, D.C.?
Based on momondo bookings for flights between Louisville and Washington, D.C., the leading plane model is Embraer 175, making up 24.05% of the total bookings. Other popular models include Embraer 175 (Enhanced Winglets) with 18.97%, Canadair (Bombardier) Regional Jet 900 with 13.82%, and Boeing 737 MAX 8 with 12.25%.
What is the most popular airline from Louisville to Washington, D.C.?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Louisville to Washington, D.C. is American Airlines (60% of total bookings). The next most popular airlines are United Airlines (36%) and Southwest (4%).

Best airlines flying from Louisville to Washington, D.C.

Compare and see reviews for airlines that fly from Louisville to Washington, D.C. with momondo

Airline	Rating	Free Cancellation	Price
Southwest	PriceFrom $179	Free Cancellation	Rating 8.0 4,304 reviews	Search Southwest flights
American Airlines	PriceFrom $189	Free Cancellation	Rating 7.1 11,667 reviews	Search American Airlines flights
United Airlines	PriceFrom $189	Free Cancellation	Rating 7.4 9,694 reviews	Search United Airlines flights
Delta	PriceFrom $208	Free Cancellation	Rating 7.9 8,455 reviews	Search Delta flights

United Airlines Flights From Louisville to Washington, D.C.
Across 21 United Airlines flights from Louisville to Washington, D.C. this week, the average price was $287, with the best United Airlines deals starting from $189 round-trip. 9,694 users have rated United Airlines on momondo, with an average score of 7.4/10.
American Airlines Flights From Louisville to Washington, D.C.
The best American Airlines deal for Louisville to Washington, D.C. flight tickets found on momondo in the last 72 hours was $189, round-trip. It should be noted that an average American Airlines flight deal for this route in this time was higher, at $279 round-trip. American Airlines operates 20 flights out of Louisville into Washington, D.C. in an average week, so prices vary by time and availability. 11,667 American Airlines reviews by users on momondo have scored the airline at 7.1/10.

Alexandria

National Harbor

Gettysburg

Arlington

Waldorf

Woodbridge

Laurel

Gaithersburg

Colonial Beach

Towson

Fredericksburg

Silver Spring

Rockville

Manassas

Linthicum Heights

Tysons

Bethesda

Springfield

Fairfax

College Park

Why use momondo?

Why should I use momondo to find a flight deal from Louisville to Washington, D.C.?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Louisville to Washington, D.C. for you.

Can I find flights from Louisville to Washington, D.C. with flexible booking policies on momondo?

momondo does allow users to show only those flights to Washington, D.C. from Louisville which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Louisville to Washington, D.C.?

Once you have performed a search for Louisville to Washington, D.C. flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Louisville to Washington, D.C. right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Washington, D.C. from Louisville. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Washington, D.C. trip

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Fly into one of these airports located in Washington, D.C.

Washington, D.C. Reagan-National Airport

Washington, D.C. Dulles Intl Airport

Cheap flights from Louisville to Washington, D.C. from $103

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Louisville to Washington, D.C. departing on 7/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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United Airlines flights from Louisville to Washington, D.C.

Our best United Airlines deals on Louisville to Washington, D.C. flight tickets

Delta flights from Louisville to Washington, D.C.

Our best Delta deals on Louisville to Washington, D.C. flight tickets

momondo Fare Finder

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

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Louisville to Washington, D.C.

What is the typical price of a round-trip flight between Louisville and Washington, D.C.?

What is the cheapest month to fly to Washington, D.C.?

What is the cheapest day to depart on your flight to Washington, D.C.?

What is the cheapest time of day to depart on your flight to Washington, D.C.?

What is the cheapest Louisville Intl to Washington, D.C. flight route?

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

Can stopping save me money on Louisville to Washington, D.C. flights?

How have Louisville to Washington, D.C. flight prices changed over time?

What is the cheapest airline that flies from Louisville Intl to Washington, D.C.?

What airlines fly to Washington, D.C.?

How many flights depart from Louisville to Washington, D.C. on average per day?

How many flights depart from Louisville to Washington, D.C. on average per week?

When to book flights from Louisville to Washington, D.C.

Cheap Louisville to Washington, D.C. (SDF to WAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Louisville to Washington, D.C.

Best Price Found

Fastest flight time

Direct flights

Airports in Washington, D.C.

Frequently asked questions about flying from Louisville to Washington, D.C.

Best airlines flying from Louisville to Washington, D.C.

Compare and see reviews for airlines that fly from Louisville to Washington, D.C. with momondo

United Airlines Flights From Louisville to Washington, D.C.

American Airlines Flights From Louisville to Washington, D.C.

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

Why use momondo?

An easier way to manage your Washington, D.C. trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.

Fly your favorite airline to Washington, D.C.

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Washington, D.C.

List of cabin classes available on flights landing in Washington, D.C.. Availability may vary depending on flight origin and airline.

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