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Cheap flights from Louisville to Washington, D.C. from $105

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 3/24. 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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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
6:00 am - 7:42 am
SDF
-
DCA
1h 42mnonstop
American Airlines Logo
8:30 am - 10:32 am
DCA
-
SDF
2h 02mnonstop
$189American Airlines
Thu, Apr 2 - Sun, Apr 5
Southwest Logo
3:40 pm - 10:45 pm
SDF
-
DCA
7h 05m
1 stop
Southwest Logo
6:05 am - 11:40 am
DCA
-
SDF
5h 35m
1 stop
$193Southwest
Thu, Apr 9 - Mon, Apr 13
American Airlines Logo
6:00 am - 7:44 am
SDF
-
DCA
1h 44mnonstop
American Airlines Logo
7:38 am - 9:38 am
DCA
-
SDF
2h 00mnonstop
$204American Airlines
Thu, Apr 23 - Sun, Apr 26
Delta Logo
3:24 pm - 8:19 pm
SDF
-
DCA
4h 55m
1 stop
Delta Logo
6:00 am - 9:55 am
DCA
-
SDF
3h 55m
1 stop
$209Delta
Wed, Jun 10 - Tue, Jun 16
Southwest Logo
2:40 pm - 11:00 pm
SDF
-
DCA
8h 20m
2 stops
Southwest Logo
1:05 pm - 7:35 pm
DCA
-
SDF
6h 30m
1 stop
$214Southwest
Fri, May 1 - Mon, May 4
Southwest Logo
2:40 pm - 10:40 pm
SDF
-
DCA
8h 00m
2 stops
Southwest Logo
2:45 pm - 9:00 pm
DCA
-
SDF
6h 15m
2 stops
$219Southwest
Fri, May 1 - Mon, May 4
Southwest Logo
7:00 am - 3:45 pm
SDF
-
DCA
8h 45m
2 stops
Southwest Logo
6:10 am - 6:10 pm
DCA
-
SDF
12h 00m
1 stop
$220Southwest
Wed, May 13 - Sat, May 16
American Airlines Logo
6:00 am - 7:42 am
SDF
-
DCA
1h 42mnonstop
American Airlines Logo
7:41 pm - 12:27 am
DCA
-
SDF
4h 46m
1 stop
$223American Airlines
Thu, Apr 2 - Mon, Apr 6
American Airlines Logo
6:00 am - 7:44 am
SDF
-
DCA
1h 44mnonstop
American Airlines Logo
7:38 am - 9:38 am
DCA
-
SDF
2h 00mnonstop
$224American Airlines
Thu, Apr 16 - Sun, Apr 19
American Airlines Logo
6:01 am - 7:50 am
SDF
-
DCA
1h 49mnonstop
American Airlines Logo
7:34 am - 9:41 am
DCA
-
SDF
2h 07mnonstop
$227American Airlines
Wed, Jun 10 - Tue, Jun 16

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
Apr 2
SDF6:00 amLouisville Intl
1h 42m
DCA7:42 amWashington, D.C. Reagan-National
Apr 5
DCA8:30 amWashington, D.C. Reagan-National
2h 02m
SDF10:32 amLouisville Intl
$189
American Airlines
Apr 23
SDF6:00 amLouisville Intl
1h 44m
DCA7:44 amWashington, D.C. Reagan-National
Apr 26
DCA7:38 amWashington, D.C. Reagan-National
2h 00m
SDF9:38 amLouisville Intl
$204
American Airlines
Mar 13
SDF6:00 amLouisville Intl
1h 42m
DCA7:42 amWashington, D.C. Reagan-National
Mar 15
DCA7:37 pmWashington, D.C. Reagan-National
2h 02m
SDF9:39 pmLouisville Intl
$219

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
Apr 9
SDF3:40 pmLouisville Intl
7h 05m
1 stop
DCA10:45 pmWashington, D.C. Reagan-National
Apr 13
DCA6:05 amWashington, D.C. Reagan-National
5h 35m
1 stop
SDF11:40 amLouisville Intl
$193
Southwest
May 1
SDF2:40 pmLouisville Intl
8h 20m
2 stops
DCA11:00 pmWashington, D.C. Reagan-National
May 4
DCA1:05 pmWashington, D.C. Reagan-National
6h 30m
1 stop
SDF7:35 pmLouisville Intl
$214
Southwest
May 1
SDF2:40 pmLouisville Intl
8h 00m
2 stops
DCA10:40 pmWashington, D.C. Reagan-National
May 5
DCA7:25 amWashington, D.C. Reagan-National
7h 20m
2 stops
SDF2:45 pmLouisville Intl
$219

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 March 4, 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

LouisvilleWashington, D.C.

SDF - DCA

SDFDCA

Louisville Intl

Thu 4/2

6:00 am-7:42 am

Nonstop1h 42m

Washington, D.C. Reagan-National

Sun 4/5

8:30 am-10:32 am

Nonstop2h 02m

$189

LouisvilleWashington, D.C.

SDF - DCA

SDFDCA

Louisville Intl

Thu 4/9

3:40 pm-10:45 pm

1 stop7h 05m

Washington, D.C. Reagan-National

Mon 4/13

6:05 am-11:40 am

1 stop5h 35m

$193

LouisvilleWashington, D.C.

SDF - DCA

SDFDCA

Louisville Intl

Thu 4/23

6:00 am-7:44 am

Nonstop1h 44m

Washington, D.C. Reagan-National

Sun 4/26

7:38 am-9:38 am

Nonstop2h 00m

$204

LouisvilleWashington, D.C.

SDF - DCA

SDFDCA

Louisville Intl

Wed 6/10

3:24 pm-8:19 pm

1 stop4h 55m

Washington, D.C. Reagan-National

Tue 6/16

6:00 am-9:55 am

1 stop3h 55m

$209

LouisvilleWashington, D.C.

SDF - DCA

SDFDCA

Louisville Intl

Fri 5/1

2:40 pm-11:00 pm

2 stops8h 20m

Washington, D.C. Reagan-National

Mon 5/4

1:05 pm-7:35 pm

1 stop6h 30m

$214

LouisvilleWashington, D.C.

SDF - DCA

SDFDCA

Louisville Intl

Fri 5/1

2:40 pm-10:40 pm

2 stops8h 00m

Washington, D.C. Reagan-National

Mon 5/4

2:45 pm-9:00 pm

2 stops6h 15m

$219

LouisvilleWashington, D.C.

SDF - DCA

SDFDCA

Louisville Intl

Wed 5/13

7:00 am-3:45 pm

2 stops8h 45m

Washington, D.C. Reagan-National

Sat 5/16

6:10 am-6:10 pm

1 stop12h 00m

$220

LouisvilleWashington, D.C.

SDF - DCA

SDFDCA

Louisville Intl

Thu 4/2

6:00 am-7:42 am

Nonstop1h 42m

Washington, D.C. Reagan-National

Mon 4/6

7:41 pm-12:27 am

1 stop4h 46m

$223

LouisvilleWashington, D.C.

SDF - DCA

SDFDCA

Louisville Intl

Thu 4/16

6:00 am-7:44 am

Nonstop1h 44m

Washington, D.C. Reagan-National

Sun 4/19

7:38 am-9:38 am

Nonstop2h 00m

$224

LouisvilleWashington, D.C.

SDF - DCA

SDFDCA

Louisville Intl

Wed 6/10

6:01 am-7:50 am

Nonstop1h 49m

Washington, D.C. Reagan-National

Tue 6/16

7:34 am-9:41 am

Nonstop2h 07m

$227

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

The month of August is, on average, the cheapest month to fly to Washington, D.C. Reagan-National Airport from Louisville, with most prices found around $204. If you aren’t able to travel to Washington, D.C. Reagan-National Airport during the month of August, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $219.

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 $289. Flights from Louisville to Washington, D.C. Reagan-National Airport on a Sunday will generally be more expensive and average around $416. 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 $299. In contrast, the most expensive time of day to depart to Washington, D.C. Reagan-National Airport is in the morning when prices are around $309.

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 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 $272 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 $217 on momondo.

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

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

You could potentially save up to 19% on your flight if you consider stops on a Louisville to Washington, D.C. Reagan-National Airport flight.

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

As of March 2026, prices for Louisville to Washington, D.C. Reagan-National Airport flights are approximately 56% 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

$197

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 $197. The best round-trip flight deal from Louisville to Washington, D.C. Reagan-National Airport found on momondo in the last 72 hours is $268.
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

  • 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
11,378 reviews
Search American Airlines flights
DeltaPriceFrom $208Free CancellationRating
7.9
8,245 reviews
Search Delta 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 9 times per week, with 11,379 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 $278 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
Gettysburg
Arlington
Waldorf
Woodbridge
Colonial Beach
Laurel
Towson
Silver Spring
Gaithersburg
Fredericksburg
Rockville
Tysons
Manassas
Springfield
Bethesda
Fairfax
Linthicum Heights
Reston

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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