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Cheap flights from Louisville to Washington, D.C. from $106

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 7/15. 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.
American Airlines Logo
6:11 am - 8:00 am
SDF
-
DCA
1h 49mnonstop
American Airlines Logo
3:41 pm - 9:25 pm
DCA
-
SDF
5h 44m
1 stop
$243American Airlines
Thu, Aug 6 - Mon, Aug 10
American Airlines Logo
6:11 am - 8:00 am
SDF
-
DCA
1h 49mnonstop
American Airlines Logo
3:41 pm - 9:25 pm
DCA
-
SDF
5h 44m
1 stop
$244American Airlines
Thu, Aug 6 - Mon, Aug 10
American Airlines Logo
6:48 am - 12:44 pm
SDF
-
DCA
5h 56m
1 stop
American Airlines Logo
12:59 pm - 2:51 pm
DCA
-
SDF
1h 52mnonstop
$245American Airlines
Thu, Jul 9 - Wed, Aug 5
Southwest Logo
8:45 am - 2:00 pm
SDF
-
DCA
5h 15m
1 stop
Southwest Logo
6:00 am - 5:10 pm
DCA
-
SDF
11h 10m
1 stop
$246Southwest
Wed, Aug 5 - Sun, Aug 9
American Airlines Logo
2:22 pm - 4:10 pm
SDF
-
DCA
1h 48mnonstop
American Airlines Logo
7:16 am - 9:12 am
DCA
-
SDF
1h 56mnonstop
$249American Airlines
Fri, Jul 24 - Mon, Jul 27
American Airlines Logo
10:55 am - 12:43 pm
SDF
-
DCA
1h 48mnonstop
American Airlines Logo
12:59 pm - 2:51 pm
DCA
-
SDF
1h 52mnonstop
$250American Airlines
Sat, Aug 8 - Mon, Aug 10
Southwest Logo
1:15 pm - 10:05 pm
SDF
-
DCA
8h 50m
2 stops
Southwest Logo
6:00 am - 5:10 pm
DCA
-
SDF
11h 10m
1 stop
$251Southwest
Wed, Aug 5 - Sun, Aug 9
Delta Logo
1:17 pm - 8:33 pm
SDF
-
DCA
7h 16m
1 stop
Delta Logo
8:00 am - 12:21 pm
DCA
-
SDF
4h 21m
1 stop
$253Delta
Fri, Aug 14 - Thu, Aug 20
Delta Logo
5:25 pm - 10:59 pm
SDF
-
DCA
5h 34m
1 stop
Delta Logo
6:10 am - 9:54 am
DCA
-
SDF
3h 44m
1 stop
$254Delta
Thu, Aug 13 - Sun, Aug 16
Southwest Logo
8:45 am - 3:55 pm
SDF
-
DCA
7h 10m
1 stop
Southwest Logo
6:35 am - 12:00 pm
DCA
-
SDF
5h 25m
1 stop
$255Southwest
Tue, Jul 14 - Fri, Jul 17

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Southwest flights from Louisville to Washington, D.C. Reagan-National Airport

Our best Southwest deals on Louisville to Washington, D.C. Reagan-National Airport flight tickets
Southwest
Aug 5
SDF8:45 amLouisville Intl
5h 15m
1 stop
DCA2:00 pmWashington, D.C. Reagan-National
Aug 9
DCA6:00 amWashington, D.C. Reagan-National
11h 10m
1 stop
SDF5:10 pmLouisville Intl
$246
Southwest
Aug 5
SDF1:15 pmLouisville Intl
8h 50m
2 stops
DCA10:05 pmWashington, D.C. Reagan-National
Aug 9
DCA6:00 amWashington, D.C. Reagan-National
11h 10m
1 stop
SDF5:10 pmLouisville Intl
$251
Southwest
Jul 14
SDF8:45 amLouisville Intl
7h 10m
1 stop
DCA3:55 pmWashington, D.C. Reagan-National
Jul 17
DCA6:35 amWashington, D.C. Reagan-National
5h 25m
1 stop
SDF12:00 pmLouisville Intl
$255

American Airlines flights from Louisville to Washington, D.C. Reagan-National Airport

Our best American Airlines deals on Louisville to Washington, D.C. Reagan-National Airport flight tickets
American Airlines
Aug 6
SDF6:11 amLouisville Intl
1h 49m
DCA8:00 amWashington, D.C. Reagan-National
Aug 10
DCA3:41 pmWashington, D.C. Reagan-National
5h 44m
1 stop
SDF9:25 pmLouisville Intl
$243
American Airlines
Aug 6
SDF6:11 amLouisville Intl
1h 49m
DCA8:00 amWashington, D.C. Reagan-National
Aug 10
DCA3:41 pmWashington, D.C. Reagan-National
5h 44m
1 stop
SDF9:25 pmLouisville Intl
$244
American Airlines
Jul 9
SDF6:48 amLouisville Intl
5h 56m
1 stop
DCA12:44 pmWashington, D.C. Reagan-National
Aug 5
DCA12:59 pmWashington, D.C. Reagan-National
1h 52m
SDF2:51 pmLouisville Intl
$245

momondo Fare Finder

 
Customize your flight search to find flights from Louisville to Washington, D.C. Reagan-National Airport 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 June 28, 2026.
Use the filters below to find and compare flights from Louisville to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvilleWashington, D.C.

SDF - DCA

SDFDCA

Louisville Intl

Thu 8/6

6:11 am-8:00 am

Nonstop1h 49m

Washington, D.C. Reagan-National

Mon 8/10

3:41 pm-9:25 pm

1 stop5h 44m

$243

LouisvilleWashington, D.C.

SDF - DCA

SDFDCA

Louisville Intl

Thu 8/6

6:11 am-8:00 am

Nonstop1h 49m

Washington, D.C. Reagan-National

Mon 8/10

3:41 pm-9:25 pm

1 stop5h 44m

$244

LouisvilleWashington, D.C.

SDF - DCA

SDFDCA

Louisville Intl

Thu 7/9

6:48 am-12:44 pm

1 stop5h 56m

Washington, D.C. Reagan-National

Wed 8/5

12:59 pm-2:51 pm

Nonstop1h 52m

$245

LouisvilleWashington, D.C.

SDF - DCA

SDFDCA

Louisville Intl

Wed 8/5

8:45 am-2:00 pm

1 stop5h 15m

Washington, D.C. Reagan-National

Sun 8/9

6:00 am-5:10 pm

1 stop11h 10m

$246

LouisvilleWashington, D.C.

SDF - DCA

SDFDCA

Louisville Intl

Fri 7/24

2:22 pm-4:10 pm

Nonstop1h 48m

Washington, D.C. Reagan-National

Mon 7/27

7:16 am-9:12 am

Nonstop1h 56m

$249
Quickest round-trip

LouisvilleWashington, D.C.

SDF - DCA

SDFDCA

Louisville Intl

Sat 8/8

10:55 am-12:43 pm

Nonstop1h 48m

Washington, D.C. Reagan-National

Mon 8/10

12:59 pm-2:51 pm

Nonstop1h 52m

$250

LouisvilleWashington, D.C.

SDF - DCA

SDFDCA

Louisville Intl

Wed 8/5

1:15 pm-10:05 pm

2 stops8h 50m

Washington, D.C. Reagan-National

Sun 8/9

6:00 am-5:10 pm

1 stop11h 10m

$251

LouisvilleWashington, D.C.

SDF - DCA

SDFDCA

Louisville Intl

Fri 8/14

1:17 pm-8:33 pm

1 stop7h 16m

Washington, D.C. Reagan-National

Thu 8/20

8:00 am-12:21 pm

1 stop4h 21m

$253

LouisvilleWashington, D.C.

SDF - DCA

SDFDCA

Louisville Intl

Thu 8/13

5:25 pm-10:59 pm

1 stop5h 34m

Washington, D.C. Reagan-National

Sun 8/16

6:10 am-9:54 am

1 stop3h 44m

$254

LouisvilleWashington, D.C.

SDF - DCA

SDFDCA

Louisville Intl

Tue 7/14

8:45 am-3:55 pm

1 stop7h 10m

Washington, D.C. Reagan-National

Fri 7/17

6:35 am-12:00 pm

1 stop5h 25m

$255

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. Reagan-National Airport

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. Reagan-National Airport?

What is the cheapest month to fly to Washington, D.C. Reagan-National Airport?

The month of January is, on average, the cheapest month to fly to Washington, D.C. Reagan-National Airport from Louisville, with most prices found around $219. If you aren’t able to travel to Washington, D.C. Reagan-National Airport during the month of January, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $238.

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

The cheapest day to depart from Louisville to Washington, D.C. Reagan-National Airport is on a Friday. Travelers who choose to depart for Washington, D.C. Reagan-National Airport on a Friday will often find tickets for as low as $298. Flights from Louisville to Washington, D.C. Reagan-National Airport on a Sunday will generally be more expensive and average around $427. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Our data shows that the cheapest Louisville to Washington, D.C. Reagan-National Airport flights are usually those with departure times in the afternoon. Our users have found flights to Washington, D.C. Reagan-National Airport in the afternoon for as low as $315. In contrast, the most expensive time of day to depart to Washington, D.C. Reagan-National Airport is at noon when prices are around $339.

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

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

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

You are more likely to see cheaper flights to Washington, D.C. Reagan-National Airport from Louisville when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Reagan-National Airport for around $279 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Reagan-National Airport from Louisville for as low as $234 on momondo.

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

There are 3 cabin classes available to choose from on Louisville to Washington, D.C. Reagan-National Airport 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. Reagan-National Airport flights?

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

How have Louisville to Washington, D.C. Reagan-National Airport flight prices changed over time?

As of June 2026, prices for Louisville to Washington, D.C. Reagan-National Airport flights are approximately 90% more expensive when compared to flights at the same time last year.

When to book flights from Louisville to Washington, D.C. Reagan-National Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Louisville to Washington, D.C. Reagan-National Airport 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. Reagan-National Airport (SDF to DCA) flight deals and tips

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

Best Price Found

$238

Fastest flight time

1h 42m

Direct flights

Every day
The best one-way flight to Washington, D.C. Reagan-National Airport from Louisville in the past 72 hours is $238. The best round-trip flight deal from Louisville to Washington, D.C. Reagan-National Airport found on momondo in the last 72 hours is $294.
The fastest flight from Louisville to Washington, D.C. Reagan-National Airport takes 1h 42m
Direct flights go from Louisville to Washington, D.C. Reagan-National Airport every day.
Search flight deals

Frequently asked questions about flying from Louisville to Washington, D.C. Reagan-National Airport

  • How far is Louisville Intl to Washington, D.C. Reagan-National by plane?

    A flight from Louisville Intl to Washington, D.C. Reagan-National will travel around 472.4 mi. 1h 42m is a normal flight duration for this route.

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

    Prices for flights from Louisville Intl Airport to Washington, D.C. Reagan-National Airport are updated daily.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Louisville Intl Airport to Washington, D.C. Reagan-National Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?

    The necessary travel and health documents for your Washington, D.C. Reagan-National Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking 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. Reagan-National Airport?

  • What is the most popular airline from Louisville to Washington, D.C. Reagan-National Airport?

Best airlines flying from Louisville to Washington, D.C. Reagan-National Airport

Compare and see reviews for airlines that fly from Louisville to Washington, D.C. Reagan-National Airport with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $189Free CancellationRating
7.1
11,777 reviews
Search American Airlines flights

  • American Airlines Flights From Louisville to Washington, D.C. Reagan-National Airport

    American Airlines flies from Louisville to Washington, D.C. Reagan-National Airport around 11 times per week, with 11,774 momondo users rating the airline 7.1/10. The cheapest American Airlines deal from Louisville to Washington, D.C. Reagan-National Airport in the last 72 hours was $189 (round-trip), much lower than the average airfare cost of $280 for American Airlines flights on this route.

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
Colonial Beach
Linthicum Heights
Rockville
Silver Spring
Towson
Manassas
Tysons
Springfield
Fairfax
Bethesda
Glen Burnie

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Louisville to Washington, D.C.. momondo saves you time and could save you money on your trip.

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

Yes. All flights to Washington, D.C. from Louisville on momondo can be compared and filtered by various policies on offer, including flexible booking.

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?

Of course. momondo tracks the price of Louisville to Washington, D.C. flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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