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Cheap flights from Louisville to Washington, D.C. from $79

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 9/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
3:50 pm - 5:25 pmSDF  Louisville Intl-BWI Baltimore/Washington
1h 35mnonstop
Southwest Logo
8:55 pm - 10:40 pmBWI  Baltimore/Washington-SDF Louisville Intl
1h 45mnonstop
$158Southwest
Sat, Sep 19 - Mon, Sep 21
Southwest Logo
12:40 pm - 8:25 pmSDF  Louisville Intl-BWI Baltimore/Washington
7h 45m1 stop Houston Hobby
Southwest Logo
8:55 pm - 10:40 pmBWI  Baltimore/Washington-SDF Louisville Intl
1h 45mnonstop
$167Southwest
Sat, Sep 19 - Mon, Sep 21
American Airlines Logo
6:00 am - 7:48 amSDF  Louisville Intl-DCA Washington, D.C. Reagan-National
1h 48mnonstop
American Airlines Logo
8:39 am - 10:47 amDCA  Washington, D.C. Reagan-National-SDF Louisville Intl
2h 08mnonstop
$189American Airlines
Thu, Oct 29 - Mon, Nov 2
United Airlines Logo
10:05 am - 11:47 amSDF  Louisville Intl-IAD Washington, D.C. Dulles Intl
1h 42mnonstop
United Airlines Logo
10:10 pm - 11:59 pmIAD  Washington, D.C. Dulles Intl-SDF Louisville Intl
1h 49mnonstop
$189United Airlines
Wed, Sep 16 - Wed, Sep 23
American Airlines Logo
11:10 am - 12:58 pmSDF  Louisville Intl-DCA Washington, D.C. Reagan-National
1h 48mnonstop
American Airlines Logo
7:45 pm - 9:38 pmDCA  Washington, D.C. Reagan-National-SDF Louisville Intl
1h 53mnonstop
$198American Airlines
Wed, Sep 2 - Sun, Sep 6
United Airlines Logo
2:12 pm - 3:50 pmSDF  Louisville Intl-IAD Washington, D.C. Dulles Intl
1h 38mnonstop
United Airlines Logo
8:35 am - 10:18 amIAD  Washington, D.C. Dulles Intl-SDF Louisville Intl
1h 43mnonstop
$203United Airlines
Sat, Oct 17 - Thu, Oct 22
Delta Logo
1:15 pm - 5:11 pmSDF  Louisville Intl-IAD Washington, D.C. Dulles Intl
3h 56m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:00 am - 10:19 amIAD  Washington, D.C. Dulles Intl-SDF Louisville Intl
4h 19m1 stop Atlanta Hartsfield-Jackson
$209Delta
Tue, Sep 29 - Sat, Oct 3
Delta Logo
7:55 am - 11:33 amSDF  Louisville Intl-IAD Washington, D.C. Dulles Intl
3h 38m1 stop Detroit Metropolitan Wayne County
Delta Logo
8:03 am - 12:54 pmIAD  Washington, D.C. Dulles Intl-SDF Louisville Intl
4h 51m1 stop Atlanta Hartsfield-Jackson
$209Delta
Sat, Oct 3 - Wed, Oct 7
Multiple Airlines Logo
9:14 pm - 8:21 pmSDF  Louisville Intl-IAD Washington, D.C. Dulles Intl
23h 07m1 stop Fort Lauderdale
Multiple Airlines Logo
6:46 pm - 8:29 pmIAD  Washington, D.C. Dulles Intl-SDF Louisville Intl
25h 43m2 stops Fort Lauderdale Tampa
$250Multiple Airlines
Fri, Oct 9 - Wed, Oct 14
Multiple Airlines Logo
7:59 pm - 6:33 pmSDF  Louisville Intl-IAD Washington, D.C. Dulles Intl
22h 34m2 stops Charleston Tampa
Multiple Airlines Logo
6:46 pm - 6:18 pmIAD  Washington, D.C. Dulles Intl-SDF Louisville Intl
23h 32m1 stop Fort Lauderdale
$250Multiple Airlines
Fri, Sep 18 - Sun, Nov 1

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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
United Airlines
Sep 16
SDF10:05 amLouisville Intl
1h 42m
IAD11:47 amWashington, D.C. Dulles Intl
Sep 23
IAD10:10 pmWashington, D.C. Dulles Intl
1h 49m
SDF11:59 pmLouisville Intl
$189
United Airlines
Oct 17
SDF2:12 pmLouisville Intl
1h 38m
IAD3:50 pmWashington, D.C. Dulles Intl
Oct 22
IAD8:35 amWashington, D.C. Dulles Intl
1h 43m
SDF10:18 amLouisville Intl
$203
United Airlines
Oct 3
SDF2:12 pmLouisville Intl
1h 38m
IAD3:50 pmWashington, D.C. Dulles Intl
Oct 7
IAD12:55 pmWashington, D.C. Dulles Intl
1h 44m
SDF2:39 pmLouisville Intl
$220

Delta flights from Louisville to Washington, D.C.

Our best Delta deals on Louisville to Washington, D.C. flight tickets
Delta
Oct 3
SDF5:30 pmLouisville Intl
5h 44m
1 stop
IAD11:14 pmWashington, D.C. Dulles Intl
Oct 6
IAD5:13 pmWashington, D.C. Dulles Intl
4h 00m
1 stop
SDF9:13 pmLouisville Intl
$209
Delta
Sep 2
SDF10:34 amLouisville Intl
6h 04m
1 stop
IAD4:38 pmWashington, D.C. Dulles Intl
Sep 6
IAD6:10 amWashington, D.C. Dulles Intl
3h 44m
1 stop
SDF9:54 amLouisville Intl
$218
Delta
Oct 13
SDF10:37 amLouisville Intl
6h 14m
1 stop
BWI4:51 pmBaltimore/Washington
Oct 21
BWI6:00 amBaltimore/Washington
4h 21m
1 stop
SDF10:21 amLouisville Intl
$223

momondo Fare Finder

 
Customize your flight search to find flights from Louisville to Washington, D.C. that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 12, 2026.
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
Quickest round-trip

LouisvilleBaltimore

SDF Louisville Intl - BWI Baltimore/Washington

SDFBWI

Louisville Intl

Sat 9/19

3:50 pm-5:25 pm

Nonstop1h 35m

Baltimore/Washington

Mon 9/21

8:55 pm-10:40 pm

Nonstop1h 45m

$158

LouisvilleBaltimore

SDF Louisville Intl - BWI Baltimore/Washington

SDFBWI

Louisville Intl

Sat 9/19

12:40 pm-8:25 pm

1 stop7h 45m

Baltimore/Washington

Mon 9/21

8:55 pm-10:40 pm

Nonstop1h 45m

$167

LouisvilleWashington, D.C.

SDF Louisville Intl - DCA Washington, D.C. Reagan-National

SDFDCA

Louisville Intl

Thu 10/29

6:00 am-7:48 am

Nonstop1h 48m

Washington, D.C. Reagan-National

Mon 11/2

8:39 am-10:47 am

Nonstop2h 08m

$189

LouisvilleWashington, D.C.

SDF Louisville Intl - IAD Washington, D.C. Dulles Intl

SDFIAD

Louisville Intl

Wed 9/16

10:05 am-11:47 am

Nonstop1h 42m

Washington, D.C. Dulles Intl

Wed 9/23

10:10 pm-11:59 pm

Nonstop1h 49m

$189

LouisvilleWashington, D.C.

SDF Louisville Intl - DCA Washington, D.C. Reagan-National

SDFDCA

Louisville Intl

Wed 9/2

11:10 am-12:58 pm

Nonstop1h 48m

Washington, D.C. Reagan-National

Sun 9/6

7:45 pm-9:38 pm

Nonstop1h 53m

$198

LouisvilleWashington, D.C.

SDF Louisville Intl - IAD Washington, D.C. Dulles Intl

SDFIAD

Louisville Intl

Sat 10/17

2:12 pm-3:50 pm

Nonstop1h 38m

Washington, D.C. Dulles Intl

Thu 10/22

8:35 am-10:18 am

Nonstop1h 43m

$203

LouisvilleWashington, D.C.

SDF Louisville Intl - IAD Washington, D.C. Dulles Intl

SDFIAD

Louisville Intl

Tue 9/29

1:15 pm-5:11 pm

1 stop3h 56m

Washington, D.C. Dulles Intl

Sat 10/3

6:00 am-10:19 am

1 stop4h 19m

$209

LouisvilleWashington, D.C.

SDF Louisville Intl - IAD Washington, D.C. Dulles Intl

SDFIAD

Louisville Intl

Sat 10/3

7:55 am-11:33 am

1 stop3h 38m

Washington, D.C. Dulles Intl

Wed 10/7

8:03 am-12:54 pm

1 stop4h 51m

$209

LouisvilleWashington, D.C.

SDF Louisville Intl - IAD Washington, D.C. Dulles Intl

SDFIAD

Louisville Intl

Fri 10/9

9:14 pm-8:21 pm

1 stop23h 07m

Washington, D.C. Dulles Intl

Wed 10/14

6:46 pm-8:29 pm

2 stops25h 43m

$250

LouisvilleWashington, D.C.

SDF Louisville Intl - IAD Washington, D.C. Dulles Intl

SDFIAD

Louisville Intl

Fri 9/18

7:59 pm-6:33 pm

2 stops22h 34m

Washington, D.C. Dulles Intl

Sun 11/1

6:46 pm-6:18 pm

1 stop23h 32m

$250

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

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

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 $249 to $309.
The lowest price recently found on this route was $158.

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

The month of November is, on average, the cheapest month to fly to Washington, D.C. from Louisville, with most prices found around $260. If you’re not able to fly to Washington, D.C. in November, then August is your next best option. Flight prices from Louisville to Washington, D.C. during August average around $264.

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 $357. 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 $645.

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

In the afternoon is the cheapest time of day to fly from Louisville to Washington, D.C. when you can find flight prices for as low as $312. Flying to Washington, D.C. in the afternoon 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 $947. 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 Baltimore/Washington 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 $331 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 $198 on momondo.

What cabin class options are available on Louisville to Washington, D.C. flights?

There are 4 cabin classes available to choose from on Louisville to Washington, D.C. flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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 August 2026, prices for Louisville to Washington, D.C. flights are approximately 18% 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

$228

Fastest flight time

1h 25m

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 $228. The best round-trip flight deal from Louisville to Washington, D.C. found on momondo in the last 72 hours is $259.
The fastest flight from Louisville to Washington, D.C. takes 1h 25m
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 25m.

  • 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.?

  • 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.?

  • What is the most popular airline 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
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $189Free CancellationRating
7.4
10,111 reviews
Search United Airlines flights
American AirlinesPriceFrom $189Free CancellationRating
7.1
11,911 reviews
Search American Airlines flights
DeltaPriceFrom $208Free CancellationRating
7.8
8,505 reviews
Search Delta flights
SouthwestPriceFrom $214Free CancellationRating
8.0
4,218 reviews
Search Southwest flights

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

    Across 14 United Airlines flights from Louisville to Washington, D.C. this week, the average price was $299, with the best United Airlines deals starting from $189 round-trip. 10,111 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 $282 round-trip. American Airlines operates 16 flights out of Louisville into Washington, D.C. in an average week, so prices vary by time and availability. 11,911 American Airlines reviews by users on momondo have scored the airline at 7.1/10.

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Arlington
Gettysburg
Waldorf
Laurel
Woodbridge
Fredericksburg
Gaithersburg
Linthicum Heights
Rockville
Silver Spring
Towson
Colonial Beach
Springfield
Fairfax
Tysons
Edgewood
Glen Burnie
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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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.
Washington, D.C. Reagan-National Airport
Washington, D.C. Dulles Intl Airport